docs(docstrings): add docstrings to public method interfaces (#25 )

- Resolves #18 Reviewed-on: #25
refactor(frontend): create centralised auth manager (#24 )
2026-08-24 16:02:04 +01:00 · 2026-08-22 21:06:38 +01:00 · 2026-08-21 14:54:21 +01:00 · 2026-08-19 18:34:11 +01:00 · 2026-08-19 18:22:49 +01:00 · 2026-08-18 21:47:47 +01:00
77 changed files with 1283 additions and 1021 deletions
--- a/.gitea/workflows/ci.yml
+++ b/.gitea/workflows/ci.yml
@@ -4,7 +4,7 @@ on:
  push:

 env:
-  REGISTRY: gitea.vodsystem.ddns.net
+  REGISTRY: gitea.defaoite.dev
  IMAGE_PREFIX: dylan/vod-system

 jobs:
--- a/docker-compose.dev.yml
+++ b/docker-compose.dev.yml
@@ -20,12 +20,11 @@ services:
      context: ./nginx
      dockerfile: Dockerfile
    container_name: vod_rtmp
-    extra_hosts:
-      - "host.docker.internal:host-gateway"
+    network_mode: host
    env_file:
      - .env
    environment:
-      - WEB_SERVER_URL=http://host.docker.internal:8080
+      - WEB_SERVER_URL=http://localhost:8080
    ports:
      - "1935:1935"
    volumes:
--- a/docker-compose.prod.yml
+++ b/docker-compose.prod.yml
@@ -15,7 +15,7 @@ services:
    restart: unless-stopped

  backend:
-    image: gitea.vodsystem.ddns.net/dylan/vod-system-backend:latest
+    image: gitea.defaoite.dev/dylan/vod-system-backend:latest
    container_name: vod_backend
    depends_on:
      - postgres
@@ -29,7 +29,7 @@ services:
    restart: unless-stopped

  frontend:
-    image: gitea.vodsystem.ddns.net/dylan/vod-system-frontend:latest
+    image: gitea.defaoite.dev/dylan/vod-system-frontend:latest
    container_name: vod_frontend
    environment:
      VITE_API_URL: ${BACKEND_URL}
@@ -38,11 +38,11 @@ services:
    depends_on:
      - backend
    ports:
-      - "5173:5173"
+      - "5173:80"
    restart: unless-stopped

  rtmp:
-    image: gitea.vodsystem.ddns.net/dylan/vod-system-rtmp:latest
+    image: gitea.defaoite.dev/dylan/vod-system-rtmp:latest
    container_name: vod_rtmp
    env_file:
      - .env
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -37,7 +37,7 @@ services:
    depends_on:
      - backend
    ports:
-      - "5173:5173"
+      - "5173:80"
    restart: unless-stopped

  rtmp:
--- a/frontend/Dockerfile
+++ b/frontend/Dockerfile
@@ -1,9 +1,19 @@
-FROM node:20-alpine
-
+# --- Build stage ---
+FROM node:20-alpine AS build
 WORKDIR /app
 COPY package*.json ./
 RUN --mount=type=cache,target=/root/.npm npm ci
-
 COPY . .
-EXPOSE 5173
-CMD ["npm", "run", "dev"]
+RUN npm run build
+
+# --- Production stage ---
+FROM nginx:1.27-alpine AS prod
+COPY --from=build /app/dist /usr/share/nginx/html
+COPY frontend_nginx.conf /etc/nginx/conf.d/default.conf
+
+# Inject envs at runtime
+COPY env.sh /docker-entrypoint.d/40-env.sh
+RUN chmod +x /docker-entrypoint.d/40-env.sh
+
+EXPOSE 80
+CMD ["nginx", "-g", "daemon off;"]
--- a/frontend/env.sh
+++ b/frontend/env.sh
@@ -0,0 +1,10 @@
+#!/bin/sh
+set -eu
+
+cat <<EOF > /usr/share/nginx/html/env-config.js
+window._env_ = {
+  VITE_API_URL: "${VITE_API_URL:-}",
+  VITE_FRONTEND_URL: "${VITE_FRONTEND_URL:-}",
+  VITE_GOOGLE_CLIENT_ID: "${VITE_GOOGLE_CLIENT_ID:-}"
+};
+EOF
--- a/frontend/frontend_nginx.conf
+++ b/frontend/frontend_nginx.conf
@@ -0,0 +1,15 @@
+server {
+    listen 80;
+    server_name _;
+    root /usr/share/nginx/html;
+    index index.html;
+
+    location / {
+        try_files $uri $uri/ /index.html;
+    }
+
+    error_page 500 502 503 504 /50x.html;
+    location = /50x.html {
+        root /usr/share/nginx/html;
+    }
+}
--- a/frontend/index.html
+++ b/frontend/index.html
@@ -3,8 +3,14 @@
  <head>
    <meta charset="UTF-8" />
    <link rel="icon" type="image/png" href="/small_icon.png" />
+
+    <link rel="preconnect" href="https://fonts.googleapis.com">
+    <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
+    <link href="https://fonts.googleapis.com/css2?family=Newsreader:wght@100;200;300;400;500;600;700&family=IBM+Plex+Sans:wght@100;200;300;400;500;600;700&family=IBM+Plex+Mono:wght@100;200;300;400;500;600;700&display=swap" rel="stylesheet">
+
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-    <title>Vite + React + TS</title>
+    <script src="/env-config.js"></script>
+    <title>The VoD System</title>
  </head>
  <body>
    <div id="root"></div>
--- a/frontend/package-lock.json
+++ b/frontend/package-lock.json
@@ -7,11 +7,9 @@
    "": {
      "name": "frontend",
      "version": "0.0.0",
-      "hasInstallScript": true,
      "dependencies": {
        "@react-oauth/google": "^0.12.2",
        "clsx": "^2.1.1",
-        "flowbite-react": "^0.11.8",
        "lucide-react": "^0.511.0",
        "react": "^19.1.0",
        "react-dom": "^19.1.0",
@@ -916,68 +914,6 @@
        "node": "^18.18.0 || ^20.9.0 || >=21.1.0"
      }
    },
-    "node_modules/@floating-ui/core": {
-      "version": "1.6.9",
-      "resolved": "https://registry.npmjs.org/@floating-ui/core/-/core-1.6.9.tgz",
-      "integrity": "sha512-uMXCuQ3BItDUbAMhIXw7UPXRfAlOAvZzdK9BWpE60MCn+Svt3aLn9jsPTi/WNGlRUu2uI0v5S7JiIUsbsvh3fw==",
-      "license": "MIT",
-      "dependencies": {
-        "@floating-ui/utils": "^0.2.9"
-      }
-    },
-    "node_modules/@floating-ui/dom": {
-      "version": "1.8.0",
-      "resolved": "https://registry.npmjs.org/@floating-ui/dom/-/dom-1.8.0.tgz",
-      "integrity": "sha512-yXSrzeHZBTZadLOlfyhCkJHNeLJnHRnRInwdZ40L7ZiaAtrBwoYlsDrX3v5zB1Utk7CLfzcOVnVVWoXEky7Ceg==",
-      "license": "MIT",
-      "dependencies": {
-        "@floating-ui/core": "^1.8.0",
-        "@floating-ui/utils": "^0.2.12"
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-    },
-    "node_modules/@floating-ui/dom/node_modules/@floating-ui/core": {
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-      "license": "MIT",
-      "dependencies": {
-        "@floating-ui/utils": "^0.2.12"
-      }
-    },
-    "node_modules/@floating-ui/react": {
-      "version": "0.27.3",
-      "resolved": "https://registry.npmjs.org/@floating-ui/react/-/react-0.27.3.tgz",
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-      "dependencies": {
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-        "tabbable": "^6.0.0"
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-      "peerDependencies": {
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-        "react-dom": ">=17.0.0"
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-        "react": ">=16.8.0",
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@@ -1044,12 +980,6 @@
        "url": "https://github.com/sponsors/nzakas"
      }
    },
-    "node_modules/@iarna/toml": {
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@@ -1100,41 +1030,6 @@
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      }
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@@ -2094,9 +1989,9 @@
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@@ -2360,9 +2255,9 @@
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@@ -2414,81 +2309,6 @@
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@@ -2638,23 +2458,6 @@
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@@ -2777,9 +2563,9 @@
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+      "integrity": "sha512-aUVMjFm3GAPTTZL7oYr5E7ETiqfQCHRLH+B+5afnICvf0r7kkK4eR6SMuwbSTJw/7t+12khT/Kahij49fqOCIg==",
      "license": "MIT",
      "dependencies": {
        "cookie": "^1.0.1",
@@ -4421,12 +3957,12 @@
      }
    },
    "node_modules/react-router-dom": {
-      "version": "7.18.1",
-      "resolved": "https://registry.npmjs.org/react-router-dom/-/react-router-dom-7.18.1.tgz",
-      "integrity": "sha512-KaZh+X/6UtEp28x51AUYZDMg9NGoz2ja3dNHa+ta/tk40vCzKhQ/RypCWBMLbmDr6//E24Vv5uPsrqXFozdkAg==",
+      "version": "7.18.2",
+      "resolved": "https://registry.npmjs.org/react-router-dom/-/react-router-dom-7.18.2.tgz",
+      "integrity": "sha512-AIKJ/jgGlFb3EbfCXk5Gzshiwt+l3mqbCrNjmEWMMjqQxNJ3svBa6bgzFyCC2Sw3RA0VWF1kg3uQf2OFhxb8hw==",
      "license": "MIT",
      "dependencies": {
-        "react-router": "7.18.1"
+        "react-router": "7.18.2"
      },
      "engines": {
        "node": ">=20.0.0"
@@ -4436,44 +3972,6 @@
        "react-dom": ">=18"
      }
    },
-    "node_modules/readdirp": {
-      "version": "4.1.2",
-      "resolved": "https://registry.npmjs.org/readdirp/-/readdirp-4.1.2.tgz",
-      "integrity": "sha512-GDhwkLfywWL2s6vEjyhri+eXmfH6j1L7JE27WhqLeYzoh/A3DBaYGEj2H/HFZCn/kMfim73FXxEJTw06WtxQwg==",
-      "license": "MIT",
-      "engines": {
-        "node": ">= 14.18.0"
-      },
-      "funding": {
-        "type": "individual",
-        "url": "https://paulmillr.com/funding/"
-      }
-    },
-    "node_modules/recast": {
-      "version": "0.23.11",
-      "resolved": "https://registry.npmjs.org/recast/-/recast-0.23.11.tgz",
-      "integrity": "sha512-YTUo+Flmw4ZXiWfQKGcwwc11KnoRAYgzAE2E7mXKCjSviTKShtxBsN6YUUBB2gtaBzKzeKunxhUwNHQuRryhWA==",
-      "license": "MIT",
-      "dependencies": {
-        "ast-types": "^0.16.1",
-        "esprima": "~4.0.0",
-        "source-map": "~0.6.1",
-        "tiny-invariant": "^1.3.3",
-        "tslib": "^2.0.1"
-      },
-      "engines": {
-        "node": ">= 4"
-      }
-    },
-    "node_modules/repeat-string": {
-      "version": "1.6.1",
-      "resolved": "https://registry.npmjs.org/repeat-string/-/repeat-string-1.6.1.tgz",
-      "integrity": "sha512-PV0dzCYDNfRi1jCDbJzpW7jNNDRuCOG/jI5ctQcGKt/clZD+YcPS3yIlWuTJMmESC8aevCFmWJy5wjAFgNqN6w==",
-      "license": "MIT",
-      "engines": {
-        "node": ">=0.10"
-      }
-    },
    "node_modules/resolve-from": {
      "version": "4.0.0",
      "resolved": "https://registry.npmjs.org/resolve-from/-/resolve-from-4.0.0.tgz",
@@ -4484,16 +3982,6 @@
        "node": ">=4"
      }
    },
-    "node_modules/reusify": {
-      "version": "1.1.0",
-      "resolved": "https://registry.npmjs.org/reusify/-/reusify-1.1.0.tgz",
-      "integrity": "sha512-g6QUff04oZpHs0eG5p83rFLhHeV00ug/Yf9nZM6fLeUrPguBTkTQOdpAWWspMh55TZfVQDPaN3NQJfbVRAxdIw==",
-      "license": "MIT",
-      "engines": {
-        "iojs": ">=1.0.0",
-        "node": ">=0.10.0"
-      }
-    },
    "node_modules/rollup": {
      "version": "4.62.2",
      "resolved": "https://registry.npmjs.org/rollup/-/rollup-4.62.2.tgz",
@@ -4539,29 +4027,6 @@
        "fsevents": "~2.3.2"
      }
    },
-    "node_modules/run-parallel": {
-      "version": "1.2.0",
-      "resolved": "https://registry.npmjs.org/run-parallel/-/run-parallel-1.2.0.tgz",
-      "integrity": "sha512-5l4VyZR86LZ/lDxZTR6jqL8AFE2S0IFLMP26AbjsLVADxHdhB/c0GUsH+y39UfCi3dzz8OlQuPmnaJOMoDHQBA==",
-      "funding": [
-        {
-          "type": "github",
-          "url": "https://github.com/sponsors/feross"
-        },
-        {
-          "type": "patreon",
-          "url": "https://www.patreon.com/feross"
-        },
-        {
-          "type": "consulting",
-          "url": "https://feross.org/support"
-        }
-      ],
-      "license": "MIT",
-      "dependencies": {
-        "queue-microtask": "^1.2.2"
-      }
-    },
    "node_modules/scheduler": {
      "version": "0.27.0",
      "resolved": "https://registry.npmjs.org/scheduler/-/scheduler-0.27.0.tgz",
@@ -4607,15 +4072,6 @@
        "node": ">=8"
      }
    },
-    "node_modules/source-map": {
-      "version": "0.6.1",
-      "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
-      "integrity": "sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g==",
-      "license": "BSD-3-Clause",
-      "engines": {
-        "node": ">=0.10.0"
-      }
-    },
    "node_modules/source-map-js": {
      "version": "1.2.1",
      "resolved": "https://registry.npmjs.org/source-map-js/-/source-map-js-1.2.1.tgz",
@@ -4652,38 +4108,11 @@
        "node": ">=8"
      }
    },
-    "node_modules/tabbable": {
-      "version": "6.5.0",
-      "resolved": "https://registry.npmjs.org/tabbable/-/tabbable-6.5.0.tgz",
-      "integrity": "sha512-wieBHXygIm7OyQOu5hQlkk62/WyCFYGlWg7L6/ZCUZwx0o398Zkn4pVmMyfYhfMG8kGrj/Krt8eIk6UKC6VzwA==",
-      "license": "MIT"
-    },
-    "node_modules/tailwind-merge-v2": {
-      "name": "tailwind-merge",
-      "version": "2.6.0",
-      "resolved": "https://registry.npmjs.org/tailwind-merge/-/tailwind-merge-2.6.0.tgz",
-      "integrity": "sha512-P+Vu1qXfzediirmHOC3xKGAYeZtPcV9g76X+xg2FD4tYgR71ewMA35Y3sCz3zhiN/dwefRpJX0yBcgwi1fXNQA==",
-      "license": "MIT",
-      "funding": {
-        "type": "github",
-        "url": "https://github.com/sponsors/dcastil"
-      }
-    },
-    "node_modules/tailwind-merge-v3": {
-      "name": "tailwind-merge",
-      "version": "3.0.1",
-      "resolved": "https://registry.npmjs.org/tailwind-merge/-/tailwind-merge-3.0.1.tgz",
-      "integrity": "sha512-AvzE8FmSoXC7nC+oU5GlQJbip2UO7tmOhOfQyOmPhrStOGXHU08j8mZEHZ4BmCqY5dWTCo4ClWkNyRNx1wpT0g==",
-      "license": "MIT",
-      "funding": {
-        "type": "github",
-        "url": "https://github.com/sponsors/dcastil"
-      }
-    },
    "node_modules/tailwindcss": {
      "version": "4.3.3",
      "resolved": "https://registry.npmjs.org/tailwindcss/-/tailwindcss-4.3.3.tgz",
      "integrity": "sha512-gOhV3P7ufE62QDGg1zVaTgCR+EtPv92k2nIhVcVKcLmxT1sUBsQGhnZj175j+MqRt4zLF7ic+sCYjfhxMxj7YQ==",
+      "dev": true,
      "license": "MIT"
    },
    "node_modules/tapable": {
@@ -4700,12 +4129,6 @@
        "url": "https://opencollective.com/webpack"
      }
    },
-    "node_modules/tiny-invariant": {
-      "version": "1.3.3",
-      "resolved": "https://registry.npmjs.org/tiny-invariant/-/tiny-invariant-1.3.3.tgz",
-      "integrity": "sha512-+FbBPE1o9QAYvviau/qC5SE3caw21q3xkvWKBtja5vgqOWIHHJ3ioaq1VPfn/Szqctz2bU/oYeKd9/z5BL+PVg==",
-      "license": "MIT"
-    },
    "node_modules/tinyglobby": {
      "version": "0.2.17",
      "resolved": "https://registry.npmjs.org/tinyglobby/-/tinyglobby-0.2.17.tgz",
@@ -4754,22 +4177,11 @@
        "url": "https://github.com/sponsors/jonschlinkert"
      }
    },
-    "node_modules/to-regex-range": {
-      "version": "5.0.1",
-      "resolved": "https://registry.npmjs.org/to-regex-range/-/to-regex-range-5.0.1.tgz",
-      "integrity": "sha512-65P7iz6X5yEr1cwcgvQxbbIw7Uk3gOy5dIdtZ4rDveLqhrdJP+Li/Hx6tyK0NEb+2GCyneCMJiGqrADCSNk8sQ==",
-      "license": "MIT",
-      "dependencies": {
-        "is-number": "^7.0.0"
-      },
-      "engines": {
-        "node": ">=8.0"
-      }
-    },
    "node_modules/ts-api-utils": {
      "version": "2.5.0",
      "resolved": "https://registry.npmjs.org/ts-api-utils/-/ts-api-utils-2.5.0.tgz",
      "integrity": "sha512-OJ/ibxhPlqrMM0UiNHJ/0CKQkoKF243/AEmplt3qpRgkW8VG7IfOS41h7V8TjITqdByHzrjcS/2si+y4lIh8NA==",
+      "dev": true,
      "license": "MIT",
      "engines": {
        "node": ">=18.12"
@@ -4782,7 +4194,9 @@
      "version": "2.8.1",
      "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.8.1.tgz",
      "integrity": "sha512-oJFu94HQb+KVduSUQL7wnpmqnfmLsOA/nAh6b6EH0wCEoK0/mPeXU6c3wKDV83MkOuHPRHtSXKKU99IBazS/2w==",
-      "license": "0BSD"
+      "dev": true,
+      "license": "0BSD",
+      "optional": true
    },
    "node_modules/type-check": {
      "version": "0.4.0",
@@ -4801,6 +4215,7 @@
      "version": "5.8.3",
      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.8.3.tgz",
      "integrity": "sha512-p1diW6TqL9L07nNxvRMM7hMMw4c5XOo/1ibL4aAIGmSAt9slTE1Xgw5KWuof2uTOvCg9BY7ZRi+GaF+7sfgPeQ==",
+      "dev": true,
      "license": "Apache-2.0",
      "bin": {
        "tsc": "bin/tsc",
@@ -4905,9 +4320,9 @@
      }
    },
    "node_modules/typescript-eslint/node_modules/brace-expansion": {
-      "version": "5.0.8",
-      "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-5.0.8.tgz",
-      "integrity": "sha512-JZyDyq3D4AUifKTPOB7DELf6XsB3WdPuNxCtob1vFXPsSXhdAiHBWJ/tJ8HAc9aH84BK+5JFZLNkJKx3G9kzQg==",
+      "version": "5.0.9",
+      "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-5.0.9.tgz",
+      "integrity": "sha512-ScQ4IuvIEF1TMlP7Zt+vjJ//9zlPb2SDcxWxM3bk8s6t6GGdJ7KO1dCcTidOPJKePW30LE/2cT7wCyPho9/Wxg==",
      "dev": true,
      "license": "MIT",
      "dependencies": {
--- a/frontend/package.json
+++ b/frontend/package.json
@@ -8,13 +8,11 @@
    "dev": "vite",
    "build": "tsc -b && vite build",
    "lint": "eslint .",
-    "preview": "vite preview",
-    "postinstall": "flowbite-react patch"
+    "preview": "vite preview"
  },
  "dependencies": {
    "@react-oauth/google": "^0.12.2",
    "clsx": "^2.1.1",
-    "flowbite-react": "^0.11.8",
    "lucide-react": "^0.511.0",
    "react": "^19.1.0",
    "react-dom": "^19.1.0",
--- a/frontend/src/App.css
+++ b/frontend/src/App.css
@@ -1,42 +0,0 @@
-#root {
-  max-width: 1280px;
-  margin: 0 auto;
-  padding: 2rem;
-  text-align: center;
-}
-
-.logo {
-  height: 6em;
-  padding: 1.5em;
-  will-change: filter;
-  transition: filter 300ms;
-}
-.logo:hover {
-  filter: drop-shadow(0 0 2em #646cffaa);
-}
-.logo.react:hover {
-  filter: drop-shadow(0 0 2em #61dafbaa);
-}
-
-@keyframes logo-spin {
-  from {
-    transform: rotate(0deg);
-  }
-  to {
-    transform: rotate(360deg);
-  }
-}
-
-@media (prefers-reduced-motion: no-preference) {
-  a:nth-of-type(2) .logo {
-    animation: logo-spin infinite 20s linear;
-  }
-}
-
-.card {
-  padding: 2em;
-}
-
-.read-the-docs {
-  color: #888;
-}
--- a/frontend/src/App.tsx
+++ b/frontend/src/App.tsx
@@ -15,6 +15,9 @@ import EditVod from "./pages/EditVod.tsx";
 import Profile from "./pages/Profile.tsx";
 import StreamControl from "./pages/StreamControl.tsx";
 import { GoogleOAuthProvider } from '@react-oauth/google';
+import {config} from "./config.ts";
+ import NotFound from "./pages/NotFound.tsx";
+import AuthProvider from "./auth/AuthProvider.tsx";


 function App() {
@@ -23,7 +26,8 @@ function App() {
    }, []);

    return (
-        <GoogleOAuthProvider clientId={import.meta.env.VITE_GOOGLE_CLIENT_ID}>
+        <GoogleOAuthProvider clientId={config.googleClientId}>
+            <AuthProvider>
                <Router>
                        <Routes>
                        <Route element={<MainLayout />}>
@@ -38,9 +42,11 @@ function App() {
                            <Route path="/vods/:id/edit" element={<EditVod />} />
                            <Route path="/profile" element={<Profile />} />
                            <Route path="/stream" element={<StreamControl />} />
+                            <Route path="*" element={<NotFound />} />
                        </Route>
                    </Routes>
                </Router>
+            </AuthProvider>
        </ GoogleOAuthProvider>
    );
 }
--- a/frontend/src/auth/AuthContext.ts
+++ b/frontend/src/auth/AuthContext.ts
@@ -0,0 +1,20 @@
+import { createContext } from "react";
+import type { User } from "../utils/types.ts";
+
+type AuthContextValue = {
+    /** The currently authenticated user, or null when logged out. */
+    user: User | null;
+    /** True until the initial "who am I" request has resolved. */
+    loading: boolean;
+    /** Exchange a Google credential for a session, then load the user. */
+    login: (googleCredential: string) => Promise<void>;
+    /** End the session and clear the user. */
+    logout: () => Promise<void>;
+    /** Re-fetch the current user (e.g. after a profile change). */
+    refresh: () => Promise<void>;
+};
+
+const AuthContext = createContext<AuthContextValue | null>(null);
+
+export { AuthContext };
+export type { AuthContextValue };
--- a/frontend/src/auth/AuthProvider.tsx
+++ b/frontend/src/auth/AuthProvider.tsx
@@ -0,0 +1,46 @@
+import { useCallback, useEffect, useState } from "react";
+import type { ReactNode } from "react";
+import type { User } from "../utils/types.ts";
+import { login as apiLogin, logout as apiLogout, getUser } from "../utils/api/users.ts";
+import { AuthContext } from "./AuthContext.ts";
+
+/**
+ * Owns the single source of truth for the authenticated user. Everything that
+ * needs to know who is logged in — the layout, the top bar, protected pages —
+ * reads it through the `useAuth` hook rather than fetching the user itself.
+ */
+const AuthProvider = ({ children }: { children: ReactNode }) => {
+    const [user, setUser] = useState<User | null>(null);
+    const [loading, setLoading] = useState(true);
+
+    const refresh = useCallback(async () => {
+        try {
+            setUser(await getUser());
+        } catch (error) {
+            console.error("Failed to fetch user:", error);
+            setUser(null);
+        }
+    }, []);
+
+    useEffect(() => {
+        refresh().finally(() => setLoading(false));
+    }, [refresh]);
+
+    const login = useCallback(async (googleCredential: string) => {
+        await apiLogin(googleCredential);
+        await refresh();
+    }, [refresh]);
+
+    const logout = useCallback(async () => {
+        await apiLogout();
+        setUser(null);
+    }, []);
+
+    return (
+        <AuthContext.Provider value={{ user, loading, login, logout, refresh }}>
+            {children}
+        </AuthContext.Provider>
+    );
+};
+
+export default AuthProvider;
--- a/frontend/src/auth/useAuth.ts
+++ b/frontend/src/auth/useAuth.ts
@@ -0,0 +1,14 @@
+import { useContext } from "react";
+import { AuthContext } from "./AuthContext.ts";
+import type { AuthContextValue } from "./AuthContext.ts";
+
+/** Access the centralised auth state. Must be used within an <AuthProvider>. */
+const useAuth = (): AuthContextValue => {
+    const context = useContext(AuthContext);
+    if (!context) {
+        throw new Error("useAuth must be used within an AuthProvider");
+    }
+    return context;
+};
+
+export { useAuth };
--- a/frontend/src/components/Box.tsx
+++ b/frontend/src/components/Box.tsx
@@ -1,4 +1,5 @@
 import clsx from "clsx";
+import React from "react";

 type Props = {
    children: React.ReactNode;
@@ -6,7 +7,7 @@ type Props = {
 };

 const Box = ({ children, className }: Props) => (
-    <div className={clsx("bg-white border border-gray-200 shadow-sm rounded-lg", className)}>
+    <div className={clsx("bg-card border-hairline shadow-sm rounded-lg", className)}>
        {children}
    </div>
 );
--- a/frontend/src/components/Dropdown.tsx
+++ b/frontend/src/components/Dropdown.tsx
@@ -9,7 +9,7 @@ type DropdownItemProps = {

 const DropdownItem = ({ item, onClick, className }: DropdownItemProps) => (
    <li
-        className={clsx("cursor-pointer hover:bg-gray-50 px-3 py-2 text-sm text-gray-700", className)}
+        className={clsx("cursor-pointer hover:bg-hover px-3 py-2 text-sm rounded-md", className)}
        onClick={() => onClick(item)}
    >
        {item}
@@ -40,12 +40,12 @@ const Dropdown = ({ label, children, className }: DropdownProps) => {
        <div className={clsx(className, "relative inline-block text-left")} ref={ref}>
            <button
                onClick={() => setIsOpen(v => !v)}
-                className="inline-flex items-center gap-1 rounded-lg px-3 py-2 text-sm font-medium text-gray-700 hover:bg-gray-100 transition-colors duration-150"
+                className="inline-flex items-center gap-1 px-3 py-2 text-sm transition-colors duration-150"
            >
                {label}
            </button>
            {isOpen && (
-                <ul className="absolute right-0 mt-1 w-36 origin-top-right rounded-lg bg-white border border-gray-200 shadow-md z-50 py-1 overflow-hidden">
+                <ul className="absolute right-0 mt-1 w-36 origin-top-right rounded-lg bg-background border border-hairline shadow-md z-50 py-1 overflow-hidden">
                    {children}
                </ul>
            )}
--- a/frontend/src/components/Selector.tsx
+++ b/frontend/src/components/Selector.tsx
@@ -7,8 +7,8 @@ type Props = {

 const Selector = ({ children, label }: Props) => (
    <div className="flex items-center gap-2">
-        <label className="w-full text-sm text-gray-600">{label}</label>
-        <div className="w-px h-5 bg-gray-200 mx-2" />
+        <label className="w-full text-sm text-text-secondary">{label}</label>
+        <div className="w-px h-5 text-text-secondary mx-2" />
        {children}
    </div>
 );
--- a/frontend/src/components/Sidebar.tsx
+++ b/frontend/src/components/Sidebar.tsx
@@ -1,50 +1,51 @@
 import clsx from "clsx";
 import SidebarButton from "./buttons/SidebarButton.tsx";
 import { Plus, Film, Home, User as UserIcon, Video, Radio } from 'lucide-react';
-import type {User} from "../utils/types.ts";
+import { useAuth } from "../auth/useAuth.ts";

 type props = {
-    user: User | null;
    className?: string
 }

-const Divider = () => <hr className="my-1.5 mx-2 border-gray-100" />;
+const Divider = () => <hr className="w-full my-1.5 mx-2 border-hover" />;
+
+const Sidebar = ({className}: props) => {
+    const { user } = useAuth();

-const Sidebar = ({user, className}: props) => {
    return (
-        <aside className={clsx("h-screen flex flex-col bg-white border-r border-gray-200", className)}>
-            <div className="px-4 pt-5 pb-3">
-                <img
-                    className="w-36 mx-auto"
-                    src="../../public/logo.png"
-                    alt="VoD System Logo"
-                />
-            </div>
-            <nav className="flex flex-col flex-1 px-2 pb-4">
-                <div className="flex flex-col gap-0.5">
+        <aside className={clsx("h-screen flex flex-col bg-sidebar border-r border-hairline p-2 items-center gap-1", className)}>
+            <h2 className={"font-heading text-2xl mt-1"}>The VoD System</h2>
+
+            <nav className="flex flex-col flex-1 items-center w-3/4">
+                <Divider />
+
+                <div className="flex flex-col gap-0.5 w-full">
                    <SidebarButton url="/" logo={<Home size={18}/>} label="Home" />
                    <SidebarButton url="/create" logo={<Plus size={18}/>} label="Create Clip" />
                </div>

-                {user && (
-                    <>
                <Divider />
-                        <div className="flex flex-col gap-0.5">
+
+                {user && (
+                        <div className="flex flex-col gap-0.5 w-full">
+                            <div>
                                <SidebarButton url="/stream" logo={<Radio size={18}/>} label="Stream" />
                                <SidebarButton url="/my-clips" logo={<Film size={18}/>} label="Clips" />
                                <SidebarButton url="/my-vods" logo={<Video size={18}/>} label="VoDs" />
                            </div>
-                    </>
+                        </div>
                )}

                <div className="flex-1" />

+                <div className={"w-full"}>
                    {user && (
                        <>
                            <Divider />
                            <SidebarButton url="/profile" logo={<UserIcon size={18}/>} label="Profile" />
                        </>
                    )}
+                </div>
            </nav>
        </aside>
    );
--- a/frontend/src/components/Topbar.tsx
+++ b/frontend/src/components/Topbar.tsx
@@ -1,21 +1,18 @@
 import { Menu, X } from 'lucide-react';
-import { login, logout } from "../utils/api/users.ts";
 import { Dropdown, DropdownItem } from "./Dropdown.tsx";
 import { GoogleLogin } from '@react-oauth/google';

-import type { User } from "../utils/types.ts";
 import type { CredentialResponse } from '@react-oauth/google';

 import MenuButton from "./buttons/MenuButton.tsx";
 import clsx from "clsx";
 import {useNavigate} from "react-router-dom";
+import { useAuth } from "../auth/useAuth.ts";


 type props = {
    sidebarToggled: boolean;
    setSidebarToggled: (toggled: boolean) => void;
-    user: User | null;
-    fetchUser: () => void;
    isStreaming: boolean;
    className?: string;
 }
@@ -23,12 +20,11 @@ type props = {
 const Topbar = ({
                    sidebarToggled,
                    setSidebarToggled,
-                    user,
-                    fetchUser,
                    isStreaming,
                    className}: props) => {

    const navigate = useNavigate();
+    const { user, login, logout } = useAuth();

    const handleLogin = (response: CredentialResponse) => {
        if (!response.credential) {
@@ -37,10 +33,6 @@ const Topbar = ({
        }

        login(response.credential)
-            .then(() => {
-                fetchUser();
-                navigate(0);
-            })
            .catch((error) => {
                console.error("Login failed:", error);
            });
@@ -48,23 +40,20 @@ const Topbar = ({

    const handleLogout = () => {
        logout()
-            .then(() => {
-                fetchUser();
-                navigate("/");
-            })
+            .then(() => navigate("/"))
            .catch((error) => {
                console.error("Logout failed:", error);
            });
    }

    return (
-        <div className={clsx(className, "flex justify-between items-center px-4 py-2 bg-white border-b border-gray-200")}>
+        <div className={clsx(className, "flex justify-between items-center px-4 py-2 bg-sidebar border-b border-hairline")}>
            <MenuButton onClick={() => setSidebarToggled(!sidebarToggled)}>
                {sidebarToggled ? <Menu size={24}/> :  <X size={24}/>}
            </MenuButton>

            { user ? (
-                <div>
+                <div className={"hover:bg-hover rounded-lg p-0.5"}>
                    <img
                        className={"w-8 h-8 rounded-full inline-block"}
                        src={user.profilePictureUrl}
@@ -76,8 +65,8 @@ const Topbar = ({
                            {user.name}
                            {isStreaming && (
                                <span className="relative flex h-2 w-2">
-                                    <span className="animate-ping absolute inline-flex h-full w-full rounded-full bg-red-500 opacity-75" />
-                                    <span className="relative inline-flex rounded-full h-2 w-2 bg-red-500" />
+                                    <span className="animate-ping absolute inline-flex h-full w-full rounded-full bg-live opacity-75" />
+                                    <span className="relative inline-flex rounded-full h-2 w-2 bg-live" />
                                </span>
                            )}
                        </span>
@@ -86,7 +75,7 @@ const Topbar = ({
                                      onClick={() => navigate("/profile")} />
                        <DropdownItem item="Logout"
                                      onClick={() => handleLogout()}
-                                      className={"text-red-500 font-medium"} />
+                                      className={"text-error font-medium"} />
                    </Dropdown>
                </div>
            ) :
--- a/frontend/src/components/buttons/BlueButton.tsx
+++ b/frontend/src/components/buttons/BlueButton.tsx
@@ -1,14 +0,0 @@
-import React from "react";
-
-type Props = React.ButtonHTMLAttributes<HTMLButtonElement>;
-
-const BlueButton: React.FC<Props> = ({ className = "", ...props }) => {
-  return (
-    <button
-      className={`bg-primary text-white font-medium rounded-lg hover:bg-primary-pressed transition-colors duration-150 h-10 px-4 ${className}`}
-      {...props}
-    />
-  );
-};
-
-export default BlueButton;
--- a/frontend/src/components/buttons/MenuButton.tsx
+++ b/frontend/src/components/buttons/MenuButton.tsx
@@ -6,7 +6,7 @@ type Props = React.ButtonHTMLAttributes<HTMLButtonElement>;
 const MenuButton: React.FC<Props> = ({ className = "", ...props }) => {
    return (
        <button
-            className={clsx("p-2 rounded-md text-gray-600 hover:bg-gray-100 hover:text-gray-900 transition-colors duration-150", className)}
+            className={clsx("p-2 rounded-md text-text-secondary hover:bg-hover hover:text-text-primary transition-colors duration-150", className)}
            {...props}
        />
    );
--- a/frontend/src/components/buttons/PrimaryButton.tsx
+++ b/frontend/src/components/buttons/PrimaryButton.tsx
@@ -0,0 +1,14 @@
+import React from "react";
+
+type Props = React.ButtonHTMLAttributes<HTMLButtonElement>;
+
+const PrimaryButton: React.FC<Props> = ({ className = "", ...props }) => {
+  return (
+    <button
+      className={`bg-terracotta text-on-accent font-body text-sm rounded-lg hover:bg-terracotta-hover disabled:bg-terracotta-disabled transition-colors duration-150 h-10 px-4 ${className}`}
+      {...props}
+    />
+  );
+};
+
+export default PrimaryButton;
--- a/frontend/src/components/buttons/SidebarButton.tsx
+++ b/frontend/src/components/buttons/SidebarButton.tsx
@@ -1,5 +1,5 @@
-import MenuButton from "./MenuButton.tsx";
 import { Link, useLocation } from "react-router-dom";
+import React from "react";

 type Props = {
    url: string;
@@ -13,9 +13,15 @@ const SidebarButton = ({url, logo, label}: Props) => {

    return (
        <Link className="w-full" to={url}>
-            <MenuButton className={`flex items-center gap-2.5 w-full px-3 py-2 text-sm font-medium rounded-md ${isActive ? "bg-gray-100 text-gray-900" : "text-gray-600"}`}>
+            <button className={`flex items-center gap-2.5 w-full text-sm 
+            font-body p-2 hover:bg-hover hover:text-text-strong
+            rounded-md 
+            ${isActive ?
+                "bg-card text-text-strong font-medium shadow-sm"
+                :
+                "text-text-primary"}`}>
                {logo}{label}
-            </MenuButton>
+            </button>
        </Link>
    )
 }
--- a/frontend/src/components/video/ConfigBox.tsx
+++ b/frontend/src/components/video/ConfigBox.tsx
@@ -8,7 +8,7 @@ type Props = {
    className?: string;
 };

-const inputClass = "border border-gray-300 bg-white rounded-md w-full p-2 text-sm focus:outline-none focus:ring-2 focus:ring-primary/20 focus:border-primary transition-colors";
+const inputClass = "border border-hairline bg-card rounded-md w-full p-2 text-sm focus:outline-none focus:ring-2 focus:ring-muted transition-colors";

 export default function ConfigBox({ setMetadata, className }: Props) {
    const updateRes = (e: React.ChangeEvent<HTMLSelectElement>) => {
@@ -26,7 +26,7 @@ export default function ConfigBox({ setMetadata, className }: Props) {

    return (
        <div className={clsx("flex flex-col gap-3 p-6", className)}>
-            <h2 className="text-sm font-semibold text-gray-800 mb-1">Export Settings</h2>
+            <h2 className="text-sm text-text-primary font-semibold mb-1">Export Settings</h2>

            <Selector label="Resolution">
                <select id="resolution" name="resolution" defaultValue="1280,720"
--- a/frontend/src/components/video/ExportWidget.tsx
+++ b/frontend/src/components/video/ExportWidget.tsx
@@ -1,4 +1,4 @@
-import BlueButton from "../buttons/BlueButton.tsx";
+import PrimaryButton from "../buttons/PrimaryButton.tsx";
 import React from "react";

 type props = {
@@ -24,24 +24,24 @@ const Spinner = () => (
 const ExportWidget = ({dataSend, handleDownload, downloadable, progress, uploading}: props) => {
    return (
        <div className={"flex flex-col gap-3"}>
-            <BlueButton
+            <PrimaryButton
                onClick={dataSend}
                disabled={uploading}
                className={uploading ? "opacity-60 cursor-not-allowed flex items-center justify-center gap-2" : ""}
            >
                {uploading && <Spinner />}
                {uploading ? "Uploading..." : "Export"}
-            </BlueButton>
+            </PrimaryButton>

            <div className="h-10 flex items-center">
                { downloadable ?
-                    (<BlueButton className="w-full" onClick={handleDownload}>
+                    (<PrimaryButton className="w-full" onClick={handleDownload}>
                        Download
-                    </BlueButton>)
+                    </PrimaryButton>)
                    :(
                        <progress
                            value={progress}
-                            className="w-full h-1.5 rounded bg-gray-200">
+                            className="w-full h-1.5 rounded bg-fields">
                        </progress>
                    )
                }
--- a/frontend/src/components/video/MetadataBox.tsx
+++ b/frontend/src/components/video/MetadataBox.tsx
@@ -9,12 +9,15 @@ type Props = {

 const MetadataBox = ({ setMetadata, className }: Props) => (
    <div className={clsx("flex flex-col content-between p-6 gap-2", className)}>
-        <p className="w-full font-semibold text-gray-800 text-sm">Title</p>
+        <p className="w-full font-body text-text-strong font-bold text-sm">
+            Title <span className="text-error">*</span>
+        </p>
        <input
            type="text"
+            required
            placeholder="Enter title"
            onChange={(e) => setMetadata(prev => ({ ...prev, title: e.target.value }))}
-            className="border border-gray-300 bg-white rounded-md w-full p-2 text-sm focus:outline-none focus:ring-2 focus:ring-primary/20 focus:border-primary transition-colors"
+            className="border border-hairline bg-fields rounded-md w-full p-2 text-sm focus:outline-none focus:ring-2 focus:ring-muted transition-colors"
        />
    </div>
 );
--- a/frontend/src/components/video/Playbar.tsx
+++ b/frontend/src/components/video/Playbar.tsx
@@ -62,11 +62,11 @@ export default function Playbar({ video, videoMetadata, className }: Props) {
            </div>
            <button
                onClick={togglePlay}
-                className="hover:bg-gray-100 rounded-full p-1.5 transition-colors duration-150 text-gray-700"
+                className="hover:bg-hover rounded-full p-1.5 transition-colors duration-150 text-text-body"
            >
                {isPlaying ? <Pause size={24} /> : <Play size={24} />}
            </button>
-            <span>
+            <span className="font-data text-sm text-text-secondary tabular-nums">
                {formatTime(video?.currentTime ?? 0)} / {formatTime(videoMetadata.duration ?? 0)}
            </span>
        </div>
--- a/frontend/src/components/video/VideoCard.tsx
+++ b/frontend/src/components/video/VideoCard.tsx
@@ -1,9 +1,9 @@
 import clsx from "clsx";
 import { formatTime, stringToDate, dateToTimeAgo } from "../../utils/utils.ts";
 import { Link } from "react-router-dom";
-import { useEffect, useRef, useState } from "react";
-import { isThumbnailAvailable } from "../../utils/api/client.ts";
+import React, { useEffect, useRef, useState } from "react";
 import { MoreVertical, Pencil, Trash2 } from "lucide-react";
+import {config} from "../../config.ts";

 type VideoCardProps = {
    id: number,
@@ -18,12 +18,12 @@ type VideoCardProps = {
    itemLabel?: string,
 }

-const fallbackThumbnail = "../../../public/default_thumbnail.png";
-const API_URL = import.meta.env.VITE_API_URL;
+const fallbackThumbnail = "public/default_thumbnail.png";
+const API_URL = config.apiUrl;

 const VideoCard = ({ id, title, duration, createdAt, onEdit, onDelete, className, mediaApiPath = '/api/v1/clips', playerPath = '/video', itemLabel = 'clip' }: VideoCardProps) => {
    const [timeAgo, setTimeAgo] = useState(dateToTimeAgo(stringToDate(createdAt)));
-    const [thumbnailAvailable, setThumbnailAvailable] = useState(true);
+    const [imgFailed, setImgFailed] = useState(false);
    const [menuOpen, setMenuOpen] = useState(false);
    const [confirmDelete, setConfirmDelete] = useState(false);
    const menuRef = useRef<HTMLDivElement>(null);
@@ -36,12 +36,6 @@ const VideoCard = ({ id, title, duration, createdAt, onEdit, onDelete, className
        return () => clearInterval(interval);
    }, [createdAt]);

-    useEffect(() => {
-        isThumbnailAvailable(thumbnailUrl)
-            .then(setThumbnailAvailable)
-            .catch(() => setThumbnailAvailable(false));
-    }, [thumbnailUrl]);
-
    useEffect(() => {
        if (!menuOpen) return;
        const handleClickOutside = (e: MouseEvent) => {
@@ -65,12 +59,13 @@ const VideoCard = ({ id, title, duration, createdAt, onEdit, onDelete, className
            <div className={clsx("flex flex-col group cursor-pointer", className)}>
                <div className="relative overflow-hidden rounded-lg">
                    <img
-                        src={thumbnailAvailable ? thumbnailUrl : fallbackThumbnail}
+                        src={imgFailed ? fallbackThumbnail : thumbnailUrl}
+                        onError={() => setImgFailed(true)}
                        alt="Video Thumbnail"
                        className="w-full aspect-video object-cover group-hover:scale-105 transition-transform duration-200"
                    />

-                    <span className="absolute top-1.5 left-1.5 bg-black/70 text-white px-1.5 py-0.5 rounded text-xs font-medium pointer-events-none">
+                    <span className="absolute top-1.5 left-1.5 bg-text-primary/75 text-on-dark px-1.5 py-0.5 rounded text-xs font-data pointer-events-none">
                        {formatTime(duration)}
                    </span>

@@ -82,18 +77,18 @@ const VideoCard = ({ id, title, duration, createdAt, onEdit, onDelete, className
                        >
                            <button
                                onClick={(e) => stopAndRun(e, () => { setMenuOpen(v => !v); setConfirmDelete(false); })}
-                                className="bg-black/70 hover:bg-black/90 text-white rounded p-0.5 transition-colors"
+                                className="bg-text-primary/75 hover:bg-text-primary/90 text-on-dark rounded p-0.5 transition-colors"
                            >
                                <MoreVertical size={14} />
                            </button>

                            {menuOpen && (
-                                <div className="absolute right-0 top-7 w-32 bg-white rounded-lg border border-gray-200 shadow-md z-50 py-1 overflow-hidden">
+                                <div className="absolute right-0 top-7 w-32 bg-card rounded-lg border border-hairline shadow-md z-50 py-1 overflow-hidden">
                                    {!confirmDelete && (<>
                                        {onEdit && (
                                            <button
                                                onClick={(e) => stopAndRun(e, onEdit)}
-                                                className="flex items-center gap-2 w-full px-3 py-2 text-sm text-gray-700 hover:bg-gray-50"
+                                                className="flex items-center gap-2 w-full px-3 py-2 text-sm text-text-body hover:bg-hover"
                                            >
                                                <Pencil size={13} /> Edit
                                            </button>
@@ -101,7 +96,7 @@ const VideoCard = ({ id, title, duration, createdAt, onEdit, onDelete, className
                                        {onDelete && (
                                            <button
                                                onClick={(e) => stopAndRun(e, () => setConfirmDelete(true))}
-                                                className="flex items-center gap-2 w-full px-3 py-2 text-sm text-red-500 hover:bg-red-50"
+                                                className="flex items-center gap-2 w-full px-3 py-2 text-sm text-error hover:bg-hover"
                                            >
                                                <Trash2 size={13} /> Delete
                                            </button>
@@ -109,17 +104,17 @@ const VideoCard = ({ id, title, duration, createdAt, onEdit, onDelete, className
                                    </>)}
                                    {confirmDelete && (
                                        <div className="px-3 py-2">
-                                            <p className="text-xs text-gray-600 mb-2">Delete this {itemLabel}?</p>
+                                            <p className="text-xs text-text-secondary mb-2">Delete this {itemLabel}?</p>
                                            <div className="flex gap-1.5">
                                                <button
                                                    onClick={(e) => stopAndRun(e, onDelete!)}
-                                                    className="flex-1 text-xs bg-red-500 text-white rounded px-2 py-1 hover:bg-red-600 transition-colors"
+                                                    className="flex-1 text-xs bg-error text-on-accent rounded px-2 py-1 hover:bg-terracotta-hover transition-colors"
                                                >
                                                    Delete
                                                </button>
                                                <button
                                                    onClick={(e) => stopAndRun(e, () => setConfirmDelete(false))}
-                                                    className="flex-1 text-xs bg-gray-100 text-gray-600 rounded px-2 py-1 hover:bg-gray-200 transition-colors"
+                                                    className="flex-1 text-xs bg-fields text-text-secondary rounded px-2 py-1 hover:bg-hover transition-colors"
                                                >
                                                    Cancel
                                                </button>
@@ -133,10 +128,10 @@ const VideoCard = ({ id, title, duration, createdAt, onEdit, onDelete, className
                </div>

                <div className="flex flex-col p-2">
-                    <p className="font-medium text-gray-900 text-sm leading-snug line-clamp-2">
+                    <p className="font-body text-text-strong text-sm leading-snug line-clamp-2">
                        {title === "" ? "(No Title)" : title}
                    </p>
-                    <p className="text-gray-500 text-xs mt-0.5">{timeAgo}</p>
+                    <p className="text-muted text-xs mt-0.5">{timeAgo}</p>
                </div>
            </div>
        </Link>
--- a/frontend/src/config.ts
+++ b/frontend/src/config.ts
@@ -0,0 +1,5 @@
+export const config = {
+    apiUrl: window._env_?.VITE_API_URL ?? import.meta.env.VITE_API_URL ?? '',
+    frontendUrl: window._env_?.VITE_FRONTEND_URL ?? import.meta.env.VITE_FRONTEND_URL ?? '',
+    googleClientId: window._env_?.VITE_GOOGLE_CLIENT_ID ?? import.meta.env.VITE_GOOGLE_CLIENT_ID ?? '',
+};
--- a/frontend/src/index.css
+++ b/frontend/src/index.css
@@ -1,37 +1,51 @@
@import "tailwindcss";
-@plugin "flowbite-react/plugin/tailwindcss";
-@source "../.flowbite-react/class-list.json";

@theme {
-    --font-sans: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
+    /* ── Fonts ───────────────────────────────────────────────────────────── */
+    --font-body: "IBM Plex Sans", system-ui, sans-serif;
+    --font-data: "IBM Plex Mono", monospace;

-    /* Breakpoints */
-    --breakpoint-3xl: 1920px;
+    /* ── Surfaces ────────────────────────────────────────────────────────── */
+    --color-background: #F7F4EE;
+    --color-sidebar: #F2EEE6;
+    --color-card: #FDFBF7;
+    --color-fields: #F4F0E8;
+    --color-dropzone: #F9F6EF;

-    --color-primary: oklch(0.55 0.21 254);
-    --color-primary-pressed: oklch(0.45 0.21 254);
-    --color-secondary: oklch(0.94 0.01 250);
-    --color-accent: oklch(0.68 0.20 288);
-    --color-text: oklch(0.17 0.01 270);
-    --color-background: oklch(0.97 0.005 250);
-    --color-surface: oklch(1 0 0);
-    --color-border: oklch(0.91 0.008 250);
+    /* ── Ink ─────────────────────────────────────────────────────────────── */
+    --color-text-primary: #2B2620;
+    --color-text-strong: #35302A;
+    --color-text-body: #554D44;
+    --color-text-secondary: #6E6559;
+    --color-muted: #9A9084;
+    --color-faint-mono: #A79C8E;

-    /* Easing */
-    --ease-fluid: cubic-bezier(0.3, 0, 0, 1);
-    --ease-snappy: cubic-bezier(0.2, 0, 0, 1);
-}
+    /* ── Accents ─────────────────────────────────────────────────────────── */
+    --color-terracotta: #A85A38;
+    --color-terracotta-hover: #94492A;
+    --color-terracotta-light: #C87A52;
+    --color-terracotta-disabled: #C9AE9C;
+    --color-olive: #6E7A50;

-#range-slider .range-slider__range {
-    background: var(--color-primary);
-}
+    /* ── Status ──────────────────────────────────────────────────────────── */
+    --color-live: #B5432E;
+    --color-error: #B5432E;

-#range-slider .range-slider__thumb {
-    background: var(--color-primary);
+    /* ── Ink on dark / accent surfaces ───────────────────────────────────── */
+    --color-on-dark: #FBF8F2;
+    --color-on-accent: #FDFBF7;
+
+    /* ── Lines, chips, placeholders ──────────────────────────────────────── */
+    --color-hairline: #F0EBE2;
+    --color-hover: #E7E0D2;
+    --color-selected: #F6EFE6;
+    --color-ring: #E2DACB;
+    --color-inactive: #DED7CA;
+    --color-inactive-strong: #C4BAA9;
 }

 :root {
-    font-family: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
+    font-family: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    line-height: 1.5;
    font-weight: 400;
    font-synthesis: none;
@@ -42,4 +56,35 @@

 body {
    background-color: var(--color-background);
+    font-family: "IBM Plex Sans", system-ui, sans-serif;
+    color: var(--color-text-body);
+}
+
+@utility font-heading {
+    font-family: "Newsreader", serif;
+    font-weight: 400;
+    color: var(--color-text-primary);
+}
+
+/* Clip trim slider (react-range-slider-input). Its own stylesheet ships blue
+   defaults; the #id beats those class selectors regardless of import order. */
+#range-slider {
+    height: 8px;
+    background: var(--color-fields);
+    border-radius: 8px;
+}
+
+#range-slider .range-slider__range {
+    background: var(--color-terracotta-light);
+}
+
+#range-slider .range-slider__thumb {
+    width: 18px;
+    height: 18px;
+    background: var(--color-terracotta);
+    box-shadow: 0 1px 2px rgba(90, 40, 20, 0.2);
+}
+
+#range-slider .range-slider__thumb:focus-visible {
+    box-shadow: 0 0 0 4px color-mix(in oklab, var(--color-terracotta) 35%, transparent);
 }
--- a/frontend/src/layouts/MainLayout.tsx
+++ b/frontend/src/layouts/MainLayout.tsx
@@ -3,27 +3,13 @@ import Sidebar from '../components/Sidebar'
 import Topbar from '../components/Topbar'
 import { Outlet } from 'react-router-dom';
 import {useEffect, useState} from "react";
-import type {User} from "../utils/types";
-import { getUser } from "../utils/api/users";
+import { useAuth } from "../auth/useAuth";
 import { getStreamStatus } from "../utils/api/stream";

 const MainLayout = () => {
    const [sidebarToggled, setSidebarToggled] = useState(false);
-    const [user, setUser] = useState<null | User>(null);
    const [isStreaming, setIsStreaming] = useState(false);
-
-    const fetchUser = async () => {
-        try {
-            const userData = await getUser();
-            setUser(userData);
-        } catch (error) {
-            console.error('Failed to fetch user:', error);
-        }
-    };
-
-    useEffect(() => {
-        fetchUser();
-    }, []);
+    const { user } = useAuth();

    useEffect(() => {
        if (!user) return;
@@ -34,16 +20,13 @@ const MainLayout = () => {
    }, [user]);

    return (
-        <div className={`transition-all duration-300 grid h-screen ${sidebarToggled ? "grid-cols-[0px_1fr]" : "grid-cols-[240px_1fr]"} grid-rows-[auto_1fr]`}>
+        <div className={`transition-all duration-300 grid h-screen ${sidebarToggled ? "grid-cols-[0px_1fr]" : "grid-cols-[252px_1fr]"} grid-rows-[auto_1fr]`}>
            <Sidebar
-                user={user}
                className={`row-span-2 transition-all duration-300 overflow-hidden whitespace-nowrap ${sidebarToggled ? "-translate-x-full" : "translate-x-0"}`}/>
            <Topbar
                className={"transition-all duration-300"}
                sidebarToggled={sidebarToggled}
                setSidebarToggled={setSidebarToggled}
-                user={user}
-                fetchUser={fetchUser}
                isStreaming={isStreaming}/>
            <div className="overflow-auto bg-background">
                <Outlet />
--- a/frontend/src/pages/ClipEdit.tsx
+++ b/frontend/src/pages/ClipEdit.tsx
@@ -10,8 +10,9 @@ import { getJob } from "../utils/api/jobs"
 import type { VideoMetadata } from "../utils/types.ts";
 import Box from "../components/Box.tsx";
 import MetadataBox from "../components/video/MetadataBox.tsx";
+import {config} from "../config.ts";

-const API_URL = import.meta.env.VITE_API_URL;
+const API_URL = config.apiUrl;

 const ClipEdit = () => {
    const location = useLocation();
@@ -63,12 +64,18 @@ const ClipEdit = () => {
    const sendData = async () => {
        if (!localFile || uploading) return;

+        const title = outputMetadata.title.trim();
+        if (!title) {
+            setError('A title is required before exporting.');
+            return;
+        }
+
        setUploading(true);
        setError(null);

        let jobId: string;
        try {
-            jobId = await compress(localFile, outputMetadata);
+            jobId = await compress(localFile, { ...outputMetadata, title });
            setUploadedId(jobId);
        } catch (err: unknown) {
            setError(`Failed to start compression: ${err instanceof Error ? err.message : 'Unknown error'}`);
@@ -79,7 +86,7 @@ const ClipEdit = () => {
        const interval = setInterval(async () => await pollProgress(jobId, interval), 500);
    };

-    const pollProgress = async (jobId: string, intervalId: number) => {
+    const pollProgress = async (jobId: string, intervalId: ReturnType<typeof setInterval>) => {
        getJob(jobId)
            .then((job) => {
                setProgress(job.progress);
@@ -128,7 +135,7 @@ const ClipEdit = () => {
            <video
                ref={videoRef}
                src={videoUrl}
-                className={"w-full rounded-lg shadow-sm bg-black"}
+                className={"w-full rounded-lg shadow-sm bg-text-primary"}
                onLoadedMetadata={handleVideoMetadataLoaded}
            />

@@ -142,7 +149,7 @@ const ClipEdit = () => {
                    <Playbar
                        video={videoRef.current}
                        videoMetadata={metadata}
-                        className={"w-full accent-primary"}
+                        className={"w-full accent-terracotta"}
                    />

                    <PlaybackSlider
@@ -150,7 +157,7 @@ const ClipEdit = () => {
                        videoMetadata={metadata}
                        sliderValue={playbackValue}
                        setSliderValue={setPlaybackValue}
-                        className={"w-full accent-primary"}
+                        className={"w-full accent-terracotta"}
                    />

                    <ClipRangeSlider
@@ -158,11 +165,11 @@ const ClipEdit = () => {
                        videoMetadata={metadata}
                        setSliderValue={setPlaybackValue}
                        setMetadata={setOutputMetadata}
-                        className={"w-full mt-2 bg-primary"}
+                        className={"w-full mt-2"}
                    />

                    {error && (
-                        <div className={"text-red-600 text-center mt-2"}>
+                        <div className={"text-error text-center mt-2"}>
                            {error}
                        </div>
                    )}
--- a/frontend/src/pages/ClipUpload.tsx
+++ b/frontend/src/pages/ClipUpload.tsx
@@ -1,12 +1,11 @@
 import {useState} from "react";
 import {useNavigate} from "react-router-dom";
-import BlueButton from "../components/buttons/BlueButton.tsx";
 import Box from "../components/Box.tsx";

 const ClipUpload = () => {
    const [file, setFile] = useState<File | null>(null);
-    const navigate = useNavigate();
    const [error, setError] = useState<null | string>(null);
+    const navigate = useNavigate();

    const press = () => {
        if (!file) {
@@ -17,10 +16,17 @@ const ClipUpload = () => {
    };

    return (
-        <div className="flex items-start justify-center p-8 min-h-full">
+        <div className="flex justify-center p-8">
            <Box className="flex flex-col gap-4 p-6 w-full max-w-md">
-                <h1 className="text-lg font-semibold text-gray-900">Upload Clip</h1>
-
+                <div
+                    className="cursor-pointer rounded-lg border-2
+                                border-dashed border-hairline bg-dropzone
+                                text-center text-sm text-text-secondary
+                                hover:bg-hover transition-colors duration-150
+                                min-h-50 flex flex-col items-center justify-center gap-2"
+                    >
+                    <label className="cursor-pointer flex flex-col items-center justify-center gap-2 w-full h-full">
+                        Choose file
                        <input
                            type="file"
                            onChange={(e) => {
@@ -28,12 +34,22 @@ const ClipUpload = () => {
                                setFile(selected);
                                setError(null);
                            }}
-                    className="h-36 cursor-pointer rounded-lg border-2 border-dashed border-gray-300 bg-gray-50 p-4 text-center text-sm text-gray-500 hover:bg-gray-100 hover:border-primary transition-colors duration-150"
+                            className="hidden"
                        />
+                    </label>
+                    {file && (
+                        <p className="mt-2 text-xs text-text-secondary">{file.name}</p>
+                    )}
+                </div>

-                <BlueButton onClick={press}>Upload</BlueButton>
+                <button
+                    onClick={press}
+                    className={"hover:bg-hover p-1 rounded-md"}
+                >
+                    Upload
+                </button>

-                {error && <p className="text-sm text-red-500 text-center">{error}</p>}
+                {error && <p className="text-sm font-body text-center">{error}</p>}
            </Box>
        </div>
    )
--- a/frontend/src/pages/EditClip.tsx
+++ b/frontend/src/pages/EditClip.tsx
@@ -3,9 +3,9 @@ import { useNavigate, useParams } from "react-router-dom";
 import { ArrowLeft, Check } from "lucide-react";
 import { getClipById, patchClip } from "../utils/api/clips.ts";
 import Box from "../components/Box.tsx";
-import BlueButton from "../components/buttons/BlueButton.tsx";
+import PrimaryButton from "../components/buttons/PrimaryButton.tsx";

-const inputClass = "border border-gray-300 bg-white rounded-md w-full p-2 text-sm focus:outline-none focus:ring-2 focus:ring-primary/20 focus:border-primary transition-colors";
+const inputClass = "border border-hairline bg-fields rounded-md w-full p-2 text-sm focus:outline-none focus:ring-2 focus:ring-muted transition-colors";

 const EditClip = () => {
    const { id } = useParams();
@@ -50,20 +50,20 @@ const EditClip = () => {
        <div className="px-8 py-10 max-w-2xl mx-auto">
            <button
                onClick={() => navigate(-1)}
-                className="flex items-center gap-1.5 text-sm text-gray-500 hover:text-gray-900 mb-6 transition-colors duration-150"
+                className="flex items-center gap-1.5 text-sm text-text-secondary hover:text-text-primary mb-6 transition-colors duration-150"
            >
                <ArrowLeft size={16} />
                Back
            </button>

-            <h1 className="text-2xl font-semibold text-gray-900 mb-6">Edit Clip</h1>
+            <h1 className="text-4xl font-heading text-text-primary mb-6">Edit Clip</h1>

            {loading ? (
-                <div className="text-gray-400 text-sm">Loading...</div>
+                <div className="text-muted text-sm">Loading...</div>
            ) : (
                <Box className="p-6 flex flex-col gap-4">
                    <div className="flex flex-col gap-1.5">
-                        <label className="text-sm font-medium text-gray-700">Title</label>
+                        <label className="text-sm font-medium text-text-secondary">Title</label>
                        <input
                            type="text"
                            value={title}
@@ -74,7 +74,7 @@ const EditClip = () => {
                    </div>

                    <div className="flex flex-col gap-1.5">
-                        <label className="text-sm font-medium text-gray-700">Description</label>
+                        <label className="text-sm font-medium text-text-secondary">Description</label>
                        <textarea
                            value={description}
                            onChange={(e) => setDescription(e.target.value)}
@@ -84,17 +84,17 @@ const EditClip = () => {
                        />
                    </div>

-                    {error && <p className="text-sm text-red-500">{error}</p>}
+                    {error && <p className="text-sm text-error">{error}</p>}

                    <div className="flex items-center gap-3 pt-1">
-                        <BlueButton onClick={handleSave} disabled={saving} className="w-28">
+                        <PrimaryButton onClick={handleSave} disabled={saving} className="w-28">
                            {saving ? "Saving…" : saved
                                ? <span className="flex items-center gap-1.5 justify-center"><Check size={14} />Saved</span>
                                : "Save"}
-                        </BlueButton>
+                        </PrimaryButton>
                        <button
                            onClick={() => navigate(-1)}
-                            className="text-sm text-gray-500 hover:text-gray-900 transition-colors duration-150"
+                            className="text-sm text-text-secondary hover:text-text-primary transition-colors duration-150"
                        >
                            Cancel
                        </button>
--- a/frontend/src/pages/EditVod.tsx
+++ b/frontend/src/pages/EditVod.tsx
@@ -3,9 +3,9 @@ import { useNavigate, useParams } from "react-router-dom";
 import { ArrowLeft, Check } from "lucide-react";
 import { getVodById, patchVod } from "../utils/api/vods.ts";
 import Box from "../components/Box.tsx";
-import BlueButton from "../components/buttons/BlueButton.tsx";
+import PrimaryButton from "../components/buttons/PrimaryButton.tsx";

-const inputClass = "border border-gray-300 bg-white rounded-md w-full p-2 text-sm focus:outline-none focus:ring-2 focus:ring-primary/20 focus:border-primary transition-colors";
+const inputClass = "border border-hairline bg-fields rounded-md w-full p-2 text-sm focus:outline-none focus:ring-2 focus:ring-muted transition-colors";

 const EditVod = () => {
    const { id } = useParams();
@@ -50,20 +50,20 @@ const EditVod = () => {
        <div className="px-8 py-10 max-w-2xl mx-auto">
            <button
                onClick={() => navigate(-1)}
-                className="flex items-center gap-1.5 text-sm text-gray-500 hover:text-gray-900 mb-6 transition-colors duration-150"
+                className="flex items-center gap-1.5 text-sm text-text-secondary hover:text-text-primary mb-6 transition-colors duration-150"
            >
                <ArrowLeft size={16} />
                Back
            </button>

-            <h1 className="text-2xl font-semibold text-gray-900 mb-6">Edit VoD</h1>
+            <h1 className="text-4xl font-heading text-text-primary mb-6">Edit VoD</h1>

            {loading ? (
-                <div className="text-gray-400 text-sm">Loading...</div>
+                <div className="text-muted text-sm">Loading...</div>
            ) : (
                <Box className="p-6 flex flex-col gap-4">
                    <div className="flex flex-col gap-1.5">
-                        <label className="text-sm font-medium text-gray-700">Title</label>
+                        <label className="text-sm font-medium text-text-secondary">Title</label>
                        <input
                            type="text"
                            value={title}
@@ -74,7 +74,7 @@ const EditVod = () => {
                    </div>

                    <div className="flex flex-col gap-1.5">
-                        <label className="text-sm font-medium text-gray-700">Description</label>
+                        <label className="text-sm font-medium text-text-secondary">Description</label>
                        <textarea
                            value={description}
                            onChange={(e) => setDescription(e.target.value)}
@@ -84,17 +84,17 @@ const EditVod = () => {
                        />
                    </div>

-                    {error && <p className="text-sm text-red-500">{error}</p>}
+                    {error && <p className="text-sm text-error">{error}</p>}

                    <div className="flex items-center gap-3 pt-1">
-                        <BlueButton onClick={handleSave} disabled={saving} className="w-28">
+                        <PrimaryButton onClick={handleSave} disabled={saving} className="w-28">
                            {saving ? "Saving…" : saved
                                ? <span className="flex items-center gap-1.5 justify-center"><Check size={14} />Saved</span>
                                : "Save"}
-                        </BlueButton>
+                        </PrimaryButton>
                        <button
                            onClick={() => navigate(-1)}
-                            className="text-sm text-gray-500 hover:text-gray-900 transition-colors duration-150"
+                            className="text-sm text-text-secondary hover:text-text-primary transition-colors duration-150"
                        >
                            Cancel
                        </button>
--- a/frontend/src/pages/Home.tsx
+++ b/frontend/src/pages/Home.tsx
@@ -43,10 +43,10 @@ const Home = () => {
                    alt="VoD System Logo"
                    className="h-24 mb-6 object-contain"
                />
-                <h1 className="text-4xl font-semibold text-gray-900 mb-3 leading-tight">
+                <h1 className="text-4xl font-heading text-text-primary">
                    A home for your clips.
                </h1>
-                <p className="text-base text-gray-500 leading-relaxed">
+                <p className="text-text-secondary">
                    Upload, trim, and export video clips. Stream live if you need to.
                </p>
            </div>
@@ -56,21 +56,21 @@ const Home = () => {
                {features.map(({ icon: Icon, title, description }) => (
                    <div
                        key={title}
-                        className="bg-white border border-gray-200 rounded-xl p-5 flex flex-col gap-3 shadow-sm"
+                        className="bg-card border border-hairline rounded-xl p-5 flex flex-col gap-3 shadow-sm"
                    >
-                        <div className="w-9 h-9 rounded-lg bg-primary/10 flex items-center justify-center flex-shrink-0">
-                            <Icon size={18} className="text-primary" />
+                        <div className="w-9 h-9 rounded-lg flex items-center justify-center shrink-0">
+                            <Icon size={18} className="text-terracotta" />
                        </div>
                        <div>
-                            <p className="font-semibold text-gray-900 text-sm mb-1">{title}</p>
-                            <p className="text-sm text-gray-500 leading-relaxed">{description}</p>
+                            <p className="font-body text-text-strong font-bold text-sm mb-1">{title}</p>
+                            <p className="text-sm text-text-secondary leading-relaxed">{description}</p>
                        </div>
                    </div>
                ))}
            </div>

            {/* Format note */}
-            <p className="text-xs text-gray-400">
+            <p className="text-xs text-muted">
                Supports MP4, MOV, WebM, and OGG.
            </p>
        </div>
--- a/frontend/src/pages/MediaPlayer.tsx
+++ b/frontend/src/pages/MediaPlayer.tsx
@@ -202,16 +202,16 @@ const MediaPlayer = ({ noun, getMediaUrl, fetchDetails }: MediaPlayerProps) => {
    if (notAuthenticated) {
        return (
            <div className="h-full flex flex-col items-center justify-center gap-4 text-center p-8">
-                <div className="w-14 h-14 rounded-full bg-gray-100 flex items-center justify-center">
-                    <Lock size={24} className="text-gray-400" />
+                <div className="w-14 h-14 rounded-full bg-fields flex items-center justify-center">
+                    <Lock size={24} className="text-muted" />
                </div>
                <div>
-                    <p className="text-lg font-semibold text-gray-900">Not authenticated</p>
-                    <p className="text-sm text-gray-500 mt-1">You don't have access to this {noun.toLowerCase()}.</p>
+                    <p className="text-2xl font-heading text-text-primary">Not authenticated</p>
+                    <p className="text-sm text-text-secondary mt-1">You don't have access to this {noun.toLowerCase()}.</p>
                </div>
                <button
                    onClick={() => navigate(-1)}
-                    className="flex items-center gap-1.5 text-sm text-gray-500 hover:text-gray-900 transition-colors duration-150"
+                    className="flex items-center gap-1.5 text-sm text-text-secondary hover:text-text-primary transition-colors duration-150"
                >
                    <ArrowLeft size={16} />
                    Go back
@@ -224,7 +224,7 @@ const MediaPlayer = ({ noun, getMediaUrl, fetchDetails }: MediaPlayerProps) => {
        <div className="h-full flex flex-col p-4 gap-3">
            <button
                onClick={() => navigate(-1)}
-                className="flex items-center gap-1.5 text-sm text-gray-500 hover:text-gray-900 flex-shrink-0 transition-colors duration-150"
+                className="flex items-center gap-1.5 text-sm text-text-secondary hover:text-text-primary flex-shrink-0 transition-colors duration-150"
            >
                <ArrowLeft size={16} />
                Back
@@ -233,7 +233,7 @@ const MediaPlayer = ({ noun, getMediaUrl, fetchDetails }: MediaPlayerProps) => {
            {/* Player */}
            <div
                ref={containerRef}
-                className="relative bg-black rounded-xl overflow-hidden flex-1 min-h-0 select-none"
+                className="relative bg-text-primary rounded-xl overflow-hidden flex-1 min-h-0 select-none"
                onMouseMove={showControls}
                onMouseLeave={() => isPlaying && setControlsVisible(false)}
                onClick={togglePlay}
@@ -265,7 +265,7 @@ const MediaPlayer = ({ noun, getMediaUrl, fetchDetails }: MediaPlayerProps) => {
                {/* Buffering spinner */}
                {isWaiting && mediaUrl && (
                    <div className="absolute inset-0 flex items-center justify-center pointer-events-none">
-                        <div className="w-11 h-11 rounded-full border-[3px] border-white/20 border-t-white animate-spin" />
+                        <div className="w-11 h-11 rounded-full border-[3px] border-on-dark/20 border-t-on-dark animate-spin" />
                    </div>
                )}

@@ -282,20 +282,20 @@ const MediaPlayer = ({ noun, getMediaUrl, fetchDetails }: MediaPlayerProps) => {
                        {/* Scrub bar */}
                        <div
                            ref={progressRef}
-                            className="relative h-1 rounded-full bg-white/25 cursor-pointer mb-3 group/prog hover:h-1.5 transition-[height] duration-150"
+                            className="relative h-1 rounded-full bg-on-dark/25 cursor-pointer mb-3 group/prog hover:h-1.5 transition-[height] duration-150"
                            onMouseDown={(e) => { setIsDragging(true); seekTo(e.clientX); }}
                        >
-                            <div className="absolute inset-y-0 left-0 bg-white/35 rounded-full" style={{ width: `${bufferedPct}%` }} />
-                            <div className="absolute inset-y-0 left-0 bg-primary rounded-full" style={{ width: `${progressPct}%` }} />
+                            <div className="absolute inset-y-0 left-0 bg-on-dark/35 rounded-full" style={{ width: `${bufferedPct}%` }} />
+                            <div className="absolute inset-y-0 left-0 bg-terracotta-light rounded-full" style={{ width: `${progressPct}%` }} />
                            <div
-                                className="absolute top-1/2 -translate-y-1/2 w-3 h-3 bg-white rounded-full shadow opacity-0 group-hover/prog:opacity-100 transition-opacity"
+                                className="absolute top-1/2 -translate-y-1/2 w-3 h-3 bg-on-dark rounded-full shadow opacity-0 group-hover/prog:opacity-100 transition-opacity"
                                style={{ left: `calc(${progressPct}% - 6px)` }}
                            />
                        </div>

                        {/* Buttons row */}
-                        <div className="flex items-center gap-3 text-white">
-                            <button onClick={togglePlay} className="hover:text-white/70 transition-colors">
+                        <div className="flex items-center gap-3 text-on-dark">
+                            <button onClick={togglePlay} className="hover:text-on-dark/70 transition-colors">
                                {isPlaying
                                    ? <Pause size={20} fill="currentColor" />
                                    : <Play size={20} fill="currentColor" />}
@@ -303,7 +303,7 @@ const MediaPlayer = ({ noun, getMediaUrl, fetchDetails }: MediaPlayerProps) => {

                            {/* Volume — slider expands on hover */}
                            <div className="flex items-center gap-1.5 group/vol">
-                                <button onClick={toggleMute} className="hover:text-white/70 transition-colors">
+                                <button onClick={toggleMute} className="hover:text-on-dark/70 transition-colors">
                                    <VolumeIcon size={18} />
                                </button>
                                <div className="overflow-hidden w-0 group-hover/vol:w-16 transition-[width] duration-200">
@@ -312,18 +312,18 @@ const MediaPlayer = ({ noun, getMediaUrl, fetchDetails }: MediaPlayerProps) => {
                                        min={0} max={1} step={0.02}
                                        value={effectiveVolume}
                                        onChange={handleVolumeChange}
-                                        className="w-16 accent-white cursor-pointer"
+                                        className="w-16 accent-on-dark cursor-pointer"
                                    />
                                </div>
                            </div>

-                            <span className="text-xs font-mono tabular-nums text-white/80">
+                            <span className="text-xs font-data tabular-nums text-on-dark/80">
                                {formatTime(currentTime)} / {formatTime(duration)}
                            </span>

                            <div className="flex-1" />

-                            <button onClick={toggleFullscreen} className="hover:text-white/70 transition-colors">
+                            <button onClick={toggleFullscreen} className="hover:text-on-dark/70 transition-colors">
                                {isFullscreen ? <Minimize size={18} /> : <Maximize size={18} />}
                            </button>
                        </div>
@@ -331,17 +331,17 @@ const MediaPlayer = ({ noun, getMediaUrl, fetchDetails }: MediaPlayerProps) => {
                </div>
            </div>

-            {error && <div className="text-red-500 text-sm mt-3">{error}</div>}
+            {error && <div className="text-error text-sm mt-3">{error}</div>}
            {!mediaLoaded && !error && (
-                <div className="text-gray-400 text-sm mt-3 flex items-center gap-2">
-                    <div className="w-3 h-3 rounded-full border-2 border-gray-300 border-t-gray-500 animate-spin" />
+                <div className="text-muted text-sm mt-3 flex items-center gap-2">
+                    <div className="w-3 h-3 rounded-full border-2 border-inactive border-t-muted animate-spin" />
                    Loading video...
                </div>
            )}

            <Box className="p-4 flex-shrink-0">
-                <p className="text-xl font-semibold text-gray-900">{item?.title || "(No Title)"}</p>
-                <p className="text-sm text-gray-500 mt-1">{timeAgo}</p>
+                <p className="text-2xl font-heading text-text-primary">{item?.title || "(No Title)"}</p>
+                <p className="text-sm text-text-secondary mt-1">{timeAgo}</p>
            </Box>
        </div>
    );
--- a/frontend/src/pages/MyClips.tsx
+++ b/frontend/src/pages/MyClips.tsx
@@ -26,7 +26,7 @@ const MyClips = () => {

    return (
        <div className="p-6">
-            <h1 className="text-2xl font-semibold text-gray-900 mb-6">My Clips</h1>
+            <h1 className="text-4xl font-heading text-text-primary mb-6">My Clips</h1>

            <div className="grid grid-cols-2 sm:grid-cols-3 md:grid-cols-4 lg:grid-cols-5 gap-4">
                {clips.map((clip) => (
@@ -43,13 +43,13 @@ const MyClips = () => {
            </div>

            {clips.length === 0 && !error && (
-                <div className="flex flex-col items-center justify-center py-16 text-gray-400">
+                <div className="flex flex-col items-center justify-center py-16 text-muted">
                    <p className="text-base">No clips yet.</p>
                    <p className="text-sm mt-1">Upload your first clip to get started.</p>
                </div>
            )}

-            {error && <p className="text-sm text-red-500 mt-4">{error.toString()}</p>}
+            {error && <p className="text-sm text-error mt-4">{error.toString()}</p>}
        </div>
    );
 }
--- a/frontend/src/pages/MyVods.tsx
+++ b/frontend/src/pages/MyVods.tsx
@@ -26,7 +26,7 @@ const MyVods = () => {

    return (
        <div className="p-6">
-            <h1 className="text-2xl font-semibold text-gray-900 mb-6">My VoDs</h1>
+            <h1 className="text-4xl font-heading text-text-primary mb-6">My VoDs</h1>

            <div className="grid grid-cols-2 sm:grid-cols-3 md:grid-cols-4 lg:grid-cols-5 gap-4">
                {vods.map((vod) => (
@@ -46,13 +46,13 @@ const MyVods = () => {
            </div>

            {vods.length === 0 && !error && (
-                <div className="flex flex-col items-center justify-center py-16 text-gray-400">
+                <div className="flex flex-col items-center justify-center py-16 text-muted">
                    <p className="text-base">No VoDs yet.</p>
                    <p className="text-sm mt-1">Your stream recordings will appear here.</p>
                </div>
            )}

-            {error && <p className="text-sm text-red-500 mt-4">{error}</p>}
+            {error && <p className="text-sm text-error mt-4">{error}</p>}
        </div>
    );
 };
--- a/frontend/src/pages/NotFound.tsx
+++ b/frontend/src/pages/NotFound.tsx
@@ -0,0 +1,24 @@
+import { Lock } from 'lucide-react';
+import {useNavigate} from "react-router-dom";
+
+const NotFound = () => {
+    const navigate = useNavigate();
+
+    const goHomePage = () => {
+        navigate("/")
+    }
+
+    return (
+        <div className="w-full min-h-screen flex flex-col items-center justify-center gap-3 text-center px-6">
+            <Lock className="w-8 h-8 text-faint-mono/60 mb-1" strokeWidth={1.5} />
+            <h2 className="font-heading text-2xl md:text-3xl text-faint-mono">
+                This page does not exist.
+            </h2>
+            <p className="text-sm text-faint-mono/70 max-w-xs">
+                <a onClick={goHomePage} className={"font-bold cursor-pointer"}>Click here</a> to get back to the home page.
+            </p>
+        </div>
+    );
+}
+
+export default NotFound;
--- a/frontend/src/pages/Profile.tsx
+++ b/frontend/src/pages/Profile.tsx
@@ -1,19 +1,14 @@
-import { useState, useEffect } from "react";
+import { useState } from "react";
 import { Eye, EyeOff, Copy, Check } from "lucide-react";
 import Box from "../components/Box.tsx";
-import { getUser } from "../utils/api/users.ts";
-import type { User } from "../utils/types.ts";
+import { useAuth } from "../auth/useAuth.ts";
 import { formatLocalDate } from "../utils/utils.ts";

 const Profile = () => {
-    const [user, setUser] = useState<User | null>(null);
+    const { user } = useAuth();
    const [keyVisible, setKeyVisible] = useState(false);
    const [copied, setCopied] = useState(false);

-    useEffect(() => {
-        getUser().then(setUser).catch(console.error);
-    }, []);
-
    const handleCopy = () => {
        if (!user?.streamKey) return;
        navigator.clipboard.writeText(user.streamKey);
@@ -23,7 +18,7 @@ const Profile = () => {

    if (!user) {
        return (
-            <div className="flex justify-center items-center h-full text-gray-400 text-base">
+            <div className="flex justify-center items-center h-full text-muted text-base">
                Please log in to view your profile.
            </div>
        );
@@ -31,7 +26,7 @@ const Profile = () => {

    return (
        <div className="px-8 py-10 max-w-2xl mx-auto">
-            <h1 className="text-2xl font-semibold text-gray-900 mb-6">Profile</h1>
+            <h1 className="text-4xl font-heading text-text-primary mb-6">Profile</h1>

            <Box className="p-6 mb-4 flex items-center gap-5">
                <img
@@ -41,31 +36,31 @@ const Profile = () => {
                    className="w-20 h-20 rounded-full shadow-sm"
                />
                <div>
-                    <p className="text-lg font-semibold text-gray-900">{user.name}</p>
-                    <p className="text-sm text-gray-500">@{user.username}</p>
-                    <p className="text-sm text-gray-500">{user.email}</p>
-                    <p className="text-xs text-gray-400 mt-1">
+                    <p className="text-2xl font-heading text-text-primary">{user.name}</p>
+                    <p className="text-sm text-text-secondary">@{user.username}</p>
+                    <p className="text-sm text-text-secondary">{user.email}</p>
+                    <p className="text-xs text-muted mt-1">
                        Member since {formatLocalDate(user.createdAt)}
                    </p>
                </div>
            </Box>

            <Box className="p-6">
-                <h2 className="text-sm font-semibold text-gray-800 mb-1">Stream Key</h2>
-                <p className="text-sm text-gray-500 mb-4">
+                <h2 className="text-xl font-heading text-text-primary mb-1">Stream Key</h2>
+                <p className="text-sm text-text-secondary mb-4">
                    Use this key in OBS or any RTMP-compatible software to start streaming.
                    Keep it private — anyone with this key can stream to your account.
                </p>

                <div className="flex items-center gap-2">
-                    <div className="flex-1 bg-gray-50 border border-gray-200 rounded-md px-4 py-2 font-mono text-sm text-gray-700 overflow-hidden">
+                    <div className="flex-1 bg-fields border border-hairline rounded-md px-4 py-2 font-data text-sm text-text-strong overflow-hidden">
                        {keyVisible ? user.streamKey : "•".repeat(user.streamKey.length)}
                    </div>

                    <button
                        onClick={() => setKeyVisible(v => !v)}
                        title={keyVisible ? "Hide key" : "Show key"}
-                        className="p-2 rounded-md bg-gray-100 hover:bg-gray-200 transition-colors duration-150 text-gray-600"
+                        className="p-2 rounded-md bg-fields hover:bg-hover transition-colors duration-150 text-text-secondary"
                    >
                        {keyVisible ? <EyeOff size={16} /> : <Eye size={16} />}
                    </button>
@@ -73,9 +68,9 @@ const Profile = () => {
                    <button
                        onClick={handleCopy}
                        title="Copy key"
-                        className="p-2 rounded-md bg-gray-100 hover:bg-gray-200 transition-colors duration-150 text-gray-600"
+                        className="p-2 rounded-md bg-fields hover:bg-hover transition-colors duration-150 text-text-secondary"
                    >
-                        {copied ? <Check size={16} className="text-green-600" /> : <Copy size={16} />}
+                        {copied ? <Check size={16} className="text-olive" /> : <Copy size={16} />}
                    </button>
                </div>
            </Box>
--- a/frontend/src/pages/StreamControl.tsx
+++ b/frontend/src/pages/StreamControl.tsx
@@ -2,17 +2,17 @@ import { useEffect, useState } from "react";
 import { Radio, Check, Bookmark, Scissors, Film, Activity, Loader2, X } from "lucide-react";
 import clsx from "clsx";
 import Box from "../components/Box.tsx";
-import BlueButton from "../components/buttons/BlueButton.tsx";
-import { getUser } from "../utils/api/users.ts";
+import PrimaryButton from "../components/buttons/PrimaryButton.tsx";
+import { useAuth } from "../auth/useAuth.ts";
 import { getCurrentStream, getStreamHistory } from "../utils/api/stream.ts";
 import { getMarkers, createMarker, deleteMarker } from "../utils/api/markers.ts";
 import { saveSectionByMarkers, clipSection } from "../utils/api/media.ts";
 import { getJob } from "../utils/api/jobs.ts";
-import type { User, StreamStatus, StreamHistoryItem, Marker, JobResponse } from "../utils/types.ts";
+import type { StreamStatus, StreamHistoryItem, Marker, JobResponse } from "../utils/types.ts";
 import { formatTime, formatLocalDate, stringToDate } from "../utils/utils.ts";

-const inputClass = "border border-gray-300 bg-white rounded-md w-full p-2 text-sm focus:outline-none focus:ring-2 focus:ring-primary/20 focus:border-primary transition-colors";
-const labelClass = "text-xs font-medium text-gray-500 uppercase tracking-wide";
+const inputClass = "border border-hairline bg-fields rounded-md w-full p-2 text-sm focus:outline-none focus:ring-2 focus:ring-muted transition-colors";
+const labelClass = "font-data text-[11px] text-muted uppercase tracking-[0.12em]";

 type TrackedJob = {
    uuid: string;
@@ -24,10 +24,10 @@ type TrackedJob = {

 const CardHeader = ({ icon: Icon, title, accent = "primary" }: { icon: React.ElementType; title: string; accent?: "primary" | "accent" }) => (
    <div className="flex items-center gap-2.5">
-        <div className={clsx("w-8 h-8 rounded-lg flex items-center justify-center flex-shrink-0", accent === "primary" ? "bg-primary/10" : "bg-accent/10")}>
-            <Icon size={16} className={accent === "primary" ? "text-primary" : "text-accent"} />
+        <div className={clsx("w-8 h-8 rounded-lg flex items-center justify-center flex-shrink-0", accent === "primary" ? "bg-terracotta/10" : "bg-olive/10")}>
+            <Icon size={16} className={accent === "primary" ? "text-terracotta" : "text-olive"} />
        </div>
-        <h2 className="text-sm font-semibold text-gray-800">{title}</h2>
+        <h2 className="text-xl font-heading text-text-primary">{title}</h2>
    </div>
 );

@@ -35,32 +35,32 @@ const JobStatus = ({ job }: { job: TrackedJob }) => {
    if (job.state === 'FAILED') {
        return (
            <div className="flex items-start gap-2 text-sm">
-                <X size={15} className="text-red-500 mt-0.5 flex-shrink-0" />
-                <p className="text-red-500">{job.label} failed: {job.errorOutput ?? "Unknown error"}</p>
+                <X size={15} className="text-error mt-0.5 flex-shrink-0" />
+                <p className="text-error">{job.label} failed: {job.errorOutput ?? "Unknown error"}</p>
            </div>
        );
    }
    if (job.state === 'SUCCEEDED') {
        return (
            <div className="flex items-center gap-2 text-sm">
-                <Check size={15} className="text-green-600 flex-shrink-0" />
-                <p className="text-gray-700">{job.label} saved</p>
+                <Check size={15} className="text-olive flex-shrink-0" />
+                <p className="text-text-body">{job.label} saved</p>
            </div>
        );
    }
    return (
        <div className="flex items-center gap-2">
-            <Loader2 size={15} className="text-primary animate-spin flex-shrink-0" />
+            <Loader2 size={15} className="text-terracotta animate-spin flex-shrink-0" />
            <div className="flex-1">
-                <p className="text-sm text-gray-600 mb-1">{job.label}…</p>
-                <progress value={job.progress} className="w-full h-1.5 rounded bg-gray-200" />
+                <p className="text-sm text-text-secondary mb-1">{job.label}…</p>
+                <progress value={job.progress} className="w-full h-1.5 rounded bg-fields" />
            </div>
        </div>
    );
 };

 const StreamControl = () => {
-    const [user, setUser] = useState<User | null>(null);
+    const { user } = useAuth();
    const [streamStatus, setStreamStatus] = useState<StreamStatus | null>(null);
    const [streamDetails, setStreamDetails] = useState<StreamHistoryItem | null>(null);
    const [now, setNow] = useState(Date.now());
@@ -85,10 +85,6 @@ const StreamControl = () => {

    const isStreaming = streamStatus?.isStreaming ?? false;

-    useEffect(() => {
-        getUser().then(setUser).catch(() => setUser(null));
-    }, []);
-
    useEffect(() => {
        if (!user) return;
        const poll = () => getCurrentStream().then(setStreamStatus).catch(() => {});
@@ -226,7 +222,7 @@ const StreamControl = () => {

    if (!user) {
        return (
-            <div className="flex justify-center items-center h-full text-gray-400 text-base">
+            <div className="flex justify-center items-center h-full text-muted text-base">
                Please log in to control your stream.
            </div>
        );
@@ -241,35 +237,35 @@ const StreamControl = () => {

    return (
        <div className="px-8 py-10 max-w-5xl mx-auto flex flex-col gap-5">
-            <h1 className="text-2xl font-semibold text-gray-900">Stream Control</h1>
+            <h1 className="text-4xl font-heading text-text-primary">Stream Control</h1>

            {/* Hero status bar */}
            <Box className={clsx(
                "p-6 flex items-center justify-between gap-6 border-l-4",
-                isStreaming ? "border-l-red-500" : "border-l-gray-200"
+                isStreaming ? "border-l-live" : "border-l-hairline"
            )}>
                <div className="flex items-center gap-3.5">
                    <span className="relative flex h-3.5 w-3.5">
-                        {isStreaming && <span className="animate-ping absolute inline-flex h-full w-full rounded-full bg-red-500 opacity-75" />}
-                        <span className={clsx("relative inline-flex rounded-full h-3.5 w-3.5", isStreaming ? "bg-red-500" : "bg-gray-300")} />
+                        {isStreaming && <span className="animate-ping absolute inline-flex h-full w-full rounded-full bg-live opacity-75" />}
+                        <span className={clsx("relative inline-flex rounded-full h-3.5 w-3.5", isStreaming ? "bg-live" : "bg-inactive-strong")} />
                    </span>
                    <div>
-                        <p className="font-semibold text-gray-900 text-lg leading-tight">{isStreaming ? "Live" : "Offline"}</p>
+                        <p className="text-2xl font-heading text-text-primary leading-tight">{isStreaming ? "Live" : "Offline"}</p>
                        {isStreaming && streamDetails?.startDate ? (
-                            <p className="text-sm text-gray-500">Started {formatLocalDate(streamDetails.startDate)}</p>
+                            <p className="text-sm text-text-secondary">Started {formatLocalDate(streamDetails.startDate)}</p>
                        ) : !isStreaming ? (
-                            <p className="text-sm text-gray-500">Point OBS at your stream key (see Profile) to go live.</p>
+                            <p className="text-sm text-text-secondary">Point OBS at your stream key (see Profile) to go live.</p>
                        ) : null}
                    </div>
                </div>

                {isStreaming && elapsed ? (
                    <div className="text-right">
-                        <p className="text-2xl font-mono font-semibold text-gray-900 tabular-nums">{elapsed}</p>
-                        <p className="text-xs text-gray-400 uppercase tracking-wide">elapsed</p>
+                        <p className="text-2xl font-data text-text-primary tabular-nums">{elapsed}</p>
+                        <p className={labelClass}>elapsed</p>
                    </div>
                ) : (
-                    <Radio size={28} className="text-gray-200" />
+                    <Radio size={28} className="text-inactive" />
                )}
            </Box>

@@ -278,7 +274,7 @@ const StreamControl = () => {
                    {/* Quick mark toolbar */}
                    <Box className="p-4 flex flex-col gap-3">
                        <div className="flex items-center gap-3">
-                            <Bookmark size={18} className="text-accent flex-shrink-0" />
+                            <Bookmark size={18} className="text-olive flex-shrink-0" />
                            <input
                                type="text"
                                value={markerMessage}
@@ -287,11 +283,11 @@ const StreamControl = () => {
                                placeholder="What just happened?"
                                className={inputClass}
                            />
-                            <BlueButton onClick={handleAddMarker} disabled={markerBusy || !markerMessage.trim()} className="whitespace-nowrap">
+                            <PrimaryButton onClick={handleAddMarker} disabled={markerBusy || !markerMessage.trim()} className="whitespace-nowrap">
                                Add Marker
-                            </BlueButton>
+                            </PrimaryButton>
                        </div>
-                        {markerError && <p className="text-sm text-red-500">{markerError}</p>}
+                        {markerError && <p className="text-sm text-error">{markerError}</p>}

                        {markers.length > 0 && (
                            <div className="flex gap-2 overflow-x-auto pb-0.5 -mx-1 px-1 pt-1.5">
@@ -304,22 +300,22 @@ const StreamControl = () => {
                                                onClick={() => handleChipClick(m.id)}
                                                className={clsx(
                                                    "flex flex-col items-start gap-0.5 rounded-lg border px-3 py-1.5 text-left transition-colors duration-150",
-                                                    isStart && "border-primary bg-primary/5 ring-1 ring-primary",
-                                                    isEnd && "border-accent bg-accent/5 ring-1 ring-accent",
-                                                    !isStart && !isEnd && "border-gray-200 hover:border-gray-300 hover:bg-gray-50"
+                                                    isStart && "border-terracotta bg-selected ring-1 ring-terracotta",
+                                                    isEnd && "border-olive bg-selected ring-1 ring-olive",
+                                                    !isStart && !isEnd && "border-hairline hover:border-ring hover:bg-hover"
                                                )}
                                            >
-                                                <span className="text-xs font-medium text-gray-800 max-w-40 truncate">{m.message}</span>
-                                                <span className="text-[11px] text-gray-400">
+                                                <span className="text-xs font-medium text-text-strong max-w-40 truncate">{m.message}</span>
+                                                <span className="font-data text-[11px] text-muted">
                                                    {formatLocalDate(m.timestamp, { hour: "2-digit", minute: "2-digit", second: "2-digit" })}
-                                                    {isStart && <span className="text-primary font-medium"> · start</span>}
-                                                    {isEnd && <span className="text-accent font-medium"> · end</span>}
+                                                    {isStart && <span className="text-terracotta font-medium"> · start</span>}
+                                                    {isEnd && <span className="text-olive font-medium"> · end</span>}
                                                </span>
                                            </button>
                                            <button
                                                onClick={(e) => { e.stopPropagation(); handleDeleteMarker(m.id); }}
                                                title="Delete marker"
-                                                className="hidden group-hover:flex items-center justify-center absolute -top-1.5 -right-1.5 w-4 h-4 rounded-full bg-gray-400 hover:bg-red-500 text-white transition-colors duration-150"
+                                                className="hidden group-hover:flex items-center justify-center absolute -top-1.5 -right-1.5 w-4 h-4 rounded-full bg-muted hover:bg-error text-on-accent transition-colors duration-150"
                                            >
                                                <X size={10} />
                                            </button>
@@ -346,44 +342,44 @@ const StreamControl = () => {
                            </div>
                            <input type="text" placeholder="Title" value={clipTitle} onChange={(e) => setClipTitle(e.target.value)} className={inputClass} />
                            <textarea placeholder="Description" value={clipDescription} onChange={(e) => setClipDescription(e.target.value)} rows={2} className={inputClass + " resize-none"} />
-                            {clipError && <p className="text-sm text-red-500">{clipError}</p>}
-                            <BlueButton onClick={handleClip} className="self-start mt-auto">Clip</BlueButton>
+                            {clipError && <p className="text-sm text-error">{clipError}</p>}
+                            <PrimaryButton onClick={handleClip} className="self-start mt-auto">Clip</PrimaryButton>
                        </Box>

                        <Box className="p-6 flex flex-col gap-3">
                            <CardHeader icon={Film} title="Save between two markers" accent="accent" />
                            {markers.length < 2 ? (
-                                <p className="text-sm text-gray-400">Add at least two markers above to save a section between them.</p>
+                                <p className="text-sm text-muted">Add at least two markers above to save a section between them.</p>
                            ) : (
                                <>
                                    <div className="flex items-center gap-2 flex-wrap">
                                        <span className={clsx(
                                            "text-xs font-medium px-2.5 py-1 rounded-full border",
-                                            startMarker ? "border-primary text-primary bg-primary/5" : "border-dashed border-gray-300 text-gray-400"
+                                            startMarker ? "border-terracotta text-terracotta bg-selected" : "border-dashed border-inactive text-muted"
                                        )}>
                                            {startMarker ? startMarker.message : "Tap a marker to set start"}
                                        </span>
-                                        <span className="text-gray-300">→</span>
+                                        <span className="text-inactive-strong">→</span>
                                        <span className={clsx(
                                            "text-xs font-medium px-2.5 py-1 rounded-full border",
-                                            endMarker ? "border-accent text-accent bg-accent/5" : "border-dashed border-gray-300 text-gray-400"
+                                            endMarker ? "border-olive text-olive bg-selected" : "border-dashed border-inactive text-muted"
                                        )}>
                                            {endMarker ? endMarker.message : "Tap a marker to set end"}
                                        </span>
                                    </div>
                                    <input type="text" placeholder="Title" value={markerSaveTitle} onChange={(e) => setMarkerSaveTitle(e.target.value)} className={inputClass} />
                                    <textarea placeholder="Description" value={markerSaveDescription} onChange={(e) => setMarkerSaveDescription(e.target.value)} rows={2} className={inputClass + " resize-none"} />
-                                    {markerSaveError && <p className="text-sm text-red-500">{markerSaveError}</p>}
+                                    {markerSaveError && <p className="text-sm text-error">{markerSaveError}</p>}
                                </>
                            )}
-                            <BlueButton onClick={handleSaveByMarkers} disabled={markers.length < 2} className="self-start mt-auto">Save</BlueButton>
+                            <PrimaryButton onClick={handleSaveByMarkers} disabled={markers.length < 2} className="self-start mt-auto">Save</PrimaryButton>
                        </Box>
                    </div>

                    <Box className="p-5 flex flex-col gap-3">
                        <CardHeader icon={Activity} title="Recent actions" />
                        {jobs.length === 0 ? (
-                            <p className="text-sm text-gray-400">Clip and save actions will show up here.</p>
+                            <p className="text-sm text-muted">Clip and save actions will show up here.</p>
                        ) : (
                            <div className="flex flex-col gap-3">
                                {jobs.map((job) => <JobStatus key={job.uuid} job={job} />)}
--- a/frontend/src/utils/api/client.ts
+++ b/frontend/src/utils/api/client.ts
@@ -1,4 +1,6 @@
-const API_URL = import.meta.env.VITE_API_URL;
+import {config} from "../../config.ts";
+
+const API_URL = config.apiUrl;

 class AuthError extends Error {
    constructor() { super("Not authenticated"); this.name = "AuthError"; }
--- a/frontend/src/vite-env.d.ts
+++ b/frontend/src/vite-env.d.ts
@@ -0,0 +1,9 @@
+/// <reference types="vite/client" />
+
+interface Window {
+    _env_?: {
+        VITE_API_URL?: string;
+        VITE_FRONTEND_URL?: string;
+        VITE_GOOGLE_CLIENT_ID?: string;
+    };
+}
--- a/frontend/vite.config.ts
+++ b/frontend/vite.config.ts
@@ -1,13 +1,12 @@
 import { defineConfig, loadEnv } from 'vite'
 import react from '@vitejs/plugin-react'
 import tailwindcss from '@tailwindcss/vite'
-import flowbiteReact from "flowbite-react/plugin/vite";

 export default defineConfig(({ mode }) => {  // change to function form
  const env = loadEnv(mode, process.cwd(), '')  // load all env vars

  return {
-    plugins: [react(), tailwindcss(), flowbiteReact()],
+    plugins: [react(), tailwindcss()],
    preview: {
      port: 5173,
      strictPort: true,
--- a/src/main/java/com/ddf/vodsystem/VodSystemApplication.java
+++ b/src/main/java/com/ddf/vodsystem/VodSystemApplication.java
@@ -10,6 +10,11 @@ import org.springframework.scheduling.annotation.EnableScheduling;
@EnableAsync
 public class VodSystemApplication {

+	/**
+	 * Application entry point; boots the Spring context.
+	 *
+	 * @param args command-line arguments passed to Spring Boot
+	 */
 	public static void main(String[] args) {
 		SpringApplication.run(VodSystemApplication.class, args);
 	}
--- a/src/main/java/com/ddf/vodsystem/configuration/AsyncConfig.java
+++ b/src/main/java/com/ddf/vodsystem/configuration/AsyncConfig.java
@@ -14,6 +14,11 @@ import java.util.concurrent.Executor;
 public class AsyncConfig implements AsyncConfigurer {
    private static final Logger logger = LoggerFactory.getLogger(AsyncConfig.class);

+    /**
+     * Provides the bounded thread pool that runs ffmpeg-backed {@code @Async} media tasks.
+     *
+     * @return the configured {@link Executor} registered as {@code ffmpegTaskExecutor}
+     */
    @Bean(name = "ffmpegTaskExecutor")
    public Executor taskExecutor() {
        ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
@@ -25,6 +30,11 @@ public class AsyncConfig implements AsyncConfigurer {
        return executor;
    }

+    /**
+     * Supplies the handler that logs uncaught exceptions from void-returning {@code @Async} methods.
+     *
+     * @return the async uncaught-exception handler
+     */
    @Override
    public AsyncUncaughtExceptionHandler getAsyncUncaughtExceptionHandler() {
        return (ex, method, params) ->
--- a/src/main/java/com/ddf/vodsystem/configuration/CorsConfig.java
+++ b/src/main/java/com/ddf/vodsystem/configuration/CorsConfig.java
@@ -12,6 +12,11 @@ public class CorsConfig {
    @Value("${frontend.url}")
    private String frontendUrl;

+    /**
+     * Configures CORS for the API, allowing credentialed requests from the configured frontend origin.
+     *
+     * @return a {@link WebMvcConfigurer} that registers the CORS mappings for {@code /api/v1/**}
+     */
    @Bean
    public WebMvcConfigurer corsConfigurer() {
        return new WebMvcConfigurer() {
--- a/src/main/java/com/ddf/vodsystem/configuration/SecurityConfig.java
+++ b/src/main/java/com/ddf/vodsystem/configuration/SecurityConfig.java
@@ -22,6 +22,14 @@ public class SecurityConfig {
        this.jwtFilter = jwtFilter;
    }

+    /**
+     * Builds the security filter chain: stateless sessions, CSRF disabled, the {@link JwtFilter}
+     * installed, and per-endpoint authorization rules.
+     *
+     * @param http the HTTP security builder to configure
+     * @return the built {@link SecurityFilterChain}
+     * @throws Exception if the security configuration cannot be built
+     */
    @Bean
    public SecurityFilterChain filterChain(HttpSecurity http) throws Exception {
        http
@@ -30,8 +38,9 @@ public class SecurityConfig {
                .addFilterBefore(jwtFilter, UsernamePasswordAuthenticationFilter.class)
                .authorizeHttpRequests(auth -> auth
                        .requestMatchers(HttpMethod.OPTIONS, "/api/v1/**").permitAll()
+                        .requestMatchers("/api/v1/media/compress").permitAll() // compression available without authenticated
+                        .requestMatchers("/api/v1/jobs/**").permitAll() // same with jobs
                        .requestMatchers("/api/v1/media/**").authenticated()
-                        .requestMatchers("/api/v1/jobs/**").authenticated()
                        .requestMatchers("/api/v1/users/me", "/api/v1/users/logout").authenticated()
                        .requestMatchers("/api/v1/users/login").permitAll()
                        .requestMatchers("/api/v1/stream/start", "/api/v1/stream/stop", "/api/v1/stream/heartbeat").permitAll()
--- a/src/main/java/com/ddf/vodsystem/controllers/ClipController.java
+++ b/src/main/java/com/ddf/vodsystem/controllers/ClipController.java
@@ -6,14 +6,12 @@ import com.ddf.vodsystem.controllers.dto.ClipUpdateRequest;
 import com.ddf.vodsystem.entities.Clip;
 import com.ddf.vodsystem.services.ClipService;
 import org.springframework.core.io.Resource;
-import org.springframework.http.HttpHeaders;
-import org.springframework.http.MediaType;
-import org.springframework.http.MediaTypeFactory;
-import org.springframework.http.ResponseEntity;
+import org.springframework.http.*;
 import org.springframework.web.bind.annotation.*;

 import java.io.IOException;
 import java.util.List;
+import java.util.concurrent.TimeUnit;

@RestController
@RequestMapping("/api/v1/clips")
@@ -26,6 +24,11 @@ public class ClipController {
        this.clipService = clipService;
    }

+    /**
+     * Lists all clips belonging to the authenticated user.
+     *
+     * @return {@code 200 OK} wrapping the user's clips as {@link ClipResponse} DTOs
+     */
    @GetMapping("")
    public ResponseEntity<APIResponse<List<ClipResponse>>> getClips() {
        List<Clip> clips = clipService.getClipsByUser();
@@ -41,6 +44,12 @@ public class ClipController {
        );
    }

+    /**
+     * Retrieves a single clip owned by the authenticated user.
+     *
+     * @param id the ID of the clip to retrieve
+     * @return {@code 200 OK} wrapping the clip as a {@link ClipResponse} DTO
+     */
    @GetMapping("/{id}")
    public ResponseEntity<APIResponse<ClipResponse>> getClipById(@PathVariable Long id) {
        Clip clip = clipService.getClipById(id);
@@ -54,6 +63,13 @@ public class ClipController {
        );
    }

+    /**
+     * Applies a partial update to a clip's metadata; null fields are left unchanged.
+     *
+     * @param id           the ID of the clip to update
+     * @param updateFields the title and/or description to overwrite
+     * @return {@code 200 OK} wrapping the updated clip as a {@link ClipResponse} DTO
+     */
    @PatchMapping("/{id}")
    public ResponseEntity<APIResponse<ClipResponse>> updateClip(@PathVariable Long id,
                                                           @RequestBody ClipUpdateRequest updateFields) {
@@ -65,6 +81,12 @@ public class ClipController {
        );
    }

+    /**
+     * Deletes a clip and its associated files.
+     *
+     * @param id the ID of the clip to delete
+     * @return {@code 200 OK} with a confirmation message
+     */
    @DeleteMapping("/{id}")
    public ResponseEntity<APIResponse<String>> deleteClip(@PathVariable Long id) {
        clipService.deleteClip(id);
@@ -78,6 +100,13 @@ public class ClipController {
        );
    }

+    /**
+     * Streams the clip's video file inline, supporting HTTP range requests.
+     *
+     * @param id the ID of the clip to download
+     * @return {@code 200 OK} with the video resource, or {@code 404 Not Found} if the file is missing
+     * @throws IOException if the resource's content length cannot be read
+     */
    @GetMapping(value = "/{id}/media", produces = MediaType.ALL_VALUE)
    public ResponseEntity<Resource> downloadClip(@PathVariable Long id) throws IOException {
        Resource resource = clipService.downloadClip(id);
@@ -95,8 +124,15 @@ public class ClipController {
                .body(resource);
    }

+    /**
+     * Streams the clip's thumbnail image with a public cache policy.
+     *
+     * @param id the ID of the clip whose thumbnail to download
+     * @return {@code 200 OK} with the thumbnail resource, or {@code 404 Not Found} if the file is missing
+     * @throws IOException if the resource's last-modified time cannot be read
+     */
    @GetMapping("/{id}/thumbnail")
-    public ResponseEntity<Resource> downloadThumbnail(@PathVariable Long id) {
+    public ResponseEntity<Resource> downloadThumbnail(@PathVariable Long id) throws IOException {
        Resource resource = clipService.downloadThumbnail(id);

        if (resource == null || !resource.exists()) {
@@ -104,6 +140,8 @@ public class ClipController {
        }

        return ResponseEntity.ok()
+                .cacheControl(CacheControl.maxAge(2, TimeUnit.DAYS).cachePublic())
+                .lastModified(resource.lastModified())
                .header(HttpHeaders.CONTENT_DISPOSITION, String.format(FILENAME_HEADER, resource.getFilename()))
                .contentType(MediaTypeFactory.getMediaType(resource).orElse(MediaType.APPLICATION_OCTET_STREAM))
                .body(resource);
--- a/src/main/java/com/ddf/vodsystem/controllers/GlobalExceptionHandler.java
+++ b/src/main/java/com/ddf/vodsystem/controllers/GlobalExceptionHandler.java
@@ -18,6 +18,12 @@ public class GlobalExceptionHandler {
    private static final Logger logger = LoggerFactory.getLogger(GlobalExceptionHandler.class);
    private static final String ERROR = "error";

+    /**
+     * Handles malformed multipart requests, returning {@code 400 Bad Request}.
+     *
+     * @param ex the thrown exception
+     * @return an error {@link APIResponse}
+     */
    @ExceptionHandler({ MultipartException.class })
    public ResponseEntity<APIResponse<Void>> handleMultipartException(MultipartException ex) {
        logger.error("MultipartException: {}", ex.getMessage());
@@ -25,6 +31,12 @@ public class GlobalExceptionHandler {
        return ResponseEntity.status(HttpStatus.BAD_REQUEST).body(response);
    }

+    /**
+     * Handles requests missing a required file part, returning {@code 400 Bad Request}.
+     *
+     * @param ex the thrown exception
+     * @return an error {@link APIResponse}
+     */
    @ExceptionHandler({ MissingServletRequestPartException.class })
    public ResponseEntity<APIResponse<Void>> handleMissingPart(MissingServletRequestPartException ex) {
        logger.error("MissingServletRequestPartException: {}", ex.getMessage());
@@ -32,6 +44,12 @@ public class GlobalExceptionHandler {
        return ResponseEntity.status(HttpStatus.BAD_REQUEST).body(response);
    }

+    /**
+     * Handles unsupported request content types, returning {@code 415 Unsupported Media Type}.
+     *
+     * @param ex the thrown exception
+     * @return an error {@link APIResponse}
+     */
    @ExceptionHandler({ HttpMediaTypeNotSupportedException.class })
    public ResponseEntity<APIResponse<Void>> handleUnsupportedMediaType(HttpMediaTypeNotSupportedException ex) {
        logger.error("HttpMediaTypeNotSupportedException: {}", ex.getMessage());
@@ -39,6 +57,12 @@ public class GlobalExceptionHandler {
        return ResponseEntity.status(HttpStatus.UNSUPPORTED_MEDIA_TYPE).body(response);
    }

+    /**
+     * Handles invalid arguments, returning {@code 400 Bad Request} with the exception message.
+     *
+     * @param ex the thrown exception
+     * @return an error {@link APIResponse}
+     */
    @ExceptionHandler(IllegalArgumentException.class)
    public ResponseEntity<APIResponse<Void>> handleIllegalArgument(IllegalArgumentException ex) {
        logger.error("IllegalArgumentException: {}", ex.getMessage());
@@ -46,6 +70,12 @@ public class GlobalExceptionHandler {
        return ResponseEntity.status(HttpStatus.BAD_REQUEST).body(response);
    }

+    /**
+     * Handles lookups for a non-existent job, returning {@code 404 Not Found}.
+     *
+     * @param ex the thrown exception
+     * @return an error {@link APIResponse}
+     */
    @ExceptionHandler(JobNotFound.class)
    public ResponseEntity<APIResponse<Void>> handleFileNotFound(JobNotFound ex) {
        logger.error("JobNotFound: {}", ex.getMessage());
@@ -53,6 +83,12 @@ public class GlobalExceptionHandler {
        return ResponseEntity.status(HttpStatus.NOT_FOUND).body(response);
    }

+    /**
+     * Handles requests for a job that is still running, returning {@code 202 Accepted}.
+     *
+     * @param ex the thrown exception
+     * @return an error {@link APIResponse}
+     */
    @ExceptionHandler(JobNotFinished.class)
    public ResponseEntity<APIResponse<Void>> handleJobNotFinished(JobNotFinished ex) {
        logger.error("JobNotFinished: {}", ex.getMessage());
@@ -60,6 +96,12 @@ public class GlobalExceptionHandler {
        return ResponseEntity.status(HttpStatus.ACCEPTED).body(response);
    }

+    /**
+     * Handles ffmpeg processing failures, returning {@code 500 Internal Server Error}.
+     *
+     * @param ex the thrown exception
+     * @return an error {@link APIResponse}
+     */
    @ExceptionHandler(FFMPEGException.class)
    public ResponseEntity<APIResponse<Void>> handleFFMPEGException(FFMPEGException ex) {
        logger.error("FFMPEGException: {}", ex.getMessage());
@@ -67,6 +109,12 @@ public class GlobalExceptionHandler {
        return ResponseEntity.status(HttpStatus.INTERNAL_SERVER_ERROR).body(response);
    }

+    /**
+     * Handles unauthenticated or unauthorized access, returning {@code 401 Unauthorized}.
+     *
+     * @param ex the thrown exception
+     * @return an error {@link APIResponse}
+     */
    @ExceptionHandler(NotAuthenticated.class)
    public ResponseEntity<APIResponse<Void>> handleNotAuthenticated(NotAuthenticated ex) {
        logger.error("NotAuthenticated: {}", ex.getMessage());
@@ -74,6 +122,12 @@ public class GlobalExceptionHandler {
        return ResponseEntity.status(HttpStatus.UNAUTHORIZED).body(response);
    }

+    /**
+     * Handles an unrecognised stream key, returning {@code 404 Not Found}.
+     *
+     * @param ex the thrown exception
+     * @return an error {@link APIResponse}
+     */
    @ExceptionHandler(KeyNotFound.class)
    public ResponseEntity<APIResponse<Void>> handleKeyNotFound(KeyNotFound ex) {
        logger.error("KeyNotFound: {}", ex.getMessage());
@@ -81,6 +135,12 @@ public class GlobalExceptionHandler {
        return ResponseEntity.status(HttpStatus.NOT_FOUND).body(response);
    }

+    /**
+     * Handles an attempt to start a stream while one is already active, returning {@code 409 Conflict}.
+     *
+     * @param ex the thrown exception
+     * @return an error {@link APIResponse}
+     */
    @ExceptionHandler(AlreadyStreaming.class)
    public ResponseEntity<APIResponse<Void>> handleAlreadyStreaming(AlreadyStreaming ex) {
        logger.error("AlreadyStreaming: {}", ex.getMessage());
@@ -88,6 +148,12 @@ public class GlobalExceptionHandler {
        return ResponseEntity.status(HttpStatus.CONFLICT).body(response);
    }

+    /**
+     * Handles file storage failures, returning {@code 500 Internal Server Error}.
+     *
+     * @param e the thrown exception
+     * @return an error {@link APIResponse}
+     */
    @ExceptionHandler(StorageException.class)
    public ResponseEntity<APIResponse<Void>> handleStorage(StorageException e) {
        logger.error("Storage operation failed", e);
@@ -95,6 +161,12 @@ public class GlobalExceptionHandler {
        return ResponseEntity.status(HttpStatus.INTERNAL_SERVER_ERROR).body(response);
    }

+    /**
+     * Handles lookups for a non-existent clip, returning {@code 404 Not Found}.
+     *
+     * @param ex the thrown exception
+     * @return an error {@link APIResponse}
+     */
    @ExceptionHandler(ClipNotFound.class)
    public ResponseEntity<APIResponse<Void>> handleClipNotFound(ClipNotFound ex) {
        logger.error("ClipNotFound: {}", ex.getMessage());
@@ -102,6 +174,12 @@ public class GlobalExceptionHandler {
        return ResponseEntity.status(HttpStatus.NOT_FOUND).body(response);
    }

+    /**
+     * Handles a clip whose media file exists but is not readable, returning {@code 503 Service Unavailable}.
+     *
+     * @param ex the thrown exception
+     * @return an error {@link APIResponse}
+     */
    @ExceptionHandler(ClipMediaUnavailable.class)
    public ResponseEntity<APIResponse<Void>> handleClipMediaUnavailable(ClipMediaUnavailable ex) {
        logger.error("ClipMediaUnavailable (clip {}): {}", ex.getClipId(), ex.getMessage());
@@ -109,6 +187,12 @@ public class GlobalExceptionHandler {
        return ResponseEntity.status(HttpStatus.SERVICE_UNAVAILABLE).body(response);
    }

+    /**
+     * Handles lookups for a non-existent VoD, returning {@code 404 Not Found}.
+     *
+     * @param ex the thrown exception
+     * @return an error {@link APIResponse}
+     */
    @ExceptionHandler(VodNotFound.class)
    public ResponseEntity<APIResponse<Void>> handleVodNotFound(VodNotFound ex) {
        logger.error("VodNotFound: {}", ex.getMessage());
@@ -116,6 +200,12 @@ public class GlobalExceptionHandler {
        return ResponseEntity.status(HttpStatus.NOT_FOUND).body(response);
    }

+    /**
+     * Handles a VoD whose media file exists but is not readable, returning {@code 503 Service Unavailable}.
+     *
+     * @param ex the thrown exception
+     * @return an error {@link APIResponse}
+     */
    @ExceptionHandler(VodMediaUnavailable.class)
    public ResponseEntity<APIResponse<Void>> handleVodMediaUnavailable(VodMediaUnavailable ex) {
        logger.error("VodMediaUnavailable (vod {}): {}", ex.getVodId(), ex.getMessage());
@@ -123,6 +213,12 @@ public class GlobalExceptionHandler {
        return ResponseEntity.status(HttpStatus.SERVICE_UNAVAILABLE).body(response);
    }

+    /**
+     * Handles actions that require an active stream when none exists, returning {@code 409 Conflict}.
+     *
+     * @param ex the thrown exception
+     * @return an error {@link APIResponse}
+     */
    @ExceptionHandler(NotStreaming.class)
    public ResponseEntity<APIResponse<Void>> handleNotStreaming(NotStreaming ex) {
        logger.error("NotStreaming: {}", ex.getMessage());
@@ -130,6 +226,12 @@ public class GlobalExceptionHandler {
        return ResponseEntity.status(HttpStatus.CONFLICT).body(response);
    }

+    /**
+     * Handles lookups for a non-existent marker, returning {@code 404 Not Found}.
+     *
+     * @param ex the thrown exception
+     * @return an error {@link APIResponse}
+     */
    @ExceptionHandler(MarkerNotFound.class)
    public ResponseEntity<APIResponse<Void>> handleMarkerNotFound(MarkerNotFound ex) {
        logger.error("MarkerNotFound: {}", ex.getMessage());
--- a/src/main/java/com/ddf/vodsystem/controllers/JobController.java
+++ b/src/main/java/com/ddf/vodsystem/controllers/JobController.java
@@ -28,6 +28,13 @@ public class JobController {
        this.jobRegistryService = jobRegistryService;
    }

+    /**
+     * Retrieves the status and progress of an asynchronous job.
+     *
+     * @param uuid the UUID of the job to look up
+     * @return {@code 200 OK} wrapping the job's state as a {@link JobResponse} DTO
+     * @throws com.ddf.vodsystem.exceptions.JobNotFound if no job with {@code uuid} exists
+     */
    @GetMapping("/{uuid}")
    public ResponseEntity<APIResponse<JobResponse>> getJob(@PathVariable String uuid) {
        Job job = jobRegistryService.getJob(uuid);
@@ -47,6 +54,15 @@ public class JobController {
        ));
    }

+    /**
+     * Downloads the output file produced by a completed job.
+     *
+     * @param uuid the UUID of the job whose output to download
+     * @return {@code 200 OK} with the output file as a downloadable resource
+     * @throws com.ddf.vodsystem.exceptions.JobNotFound     if no job with {@code uuid} exists
+     * @throws NotReadyException if the job has not yet produced a downloadable file
+     * @throws ClipNotFound     if the job's output file no longer exists on disk
+     */
    @GetMapping("/{uuid}/download")
    public ResponseEntity<Resource> downloadJobFile(@PathVariable String uuid) {
        Job job = jobRegistryService.getJob(uuid);
--- a/src/main/java/com/ddf/vodsystem/controllers/MarkerController.java
+++ b/src/main/java/com/ddf/vodsystem/controllers/MarkerController.java
@@ -22,6 +22,11 @@ public class MarkerController {
        this.markerService = markerService;
    }

+    /**
+     * Lists all markers belonging to the authenticated user.
+     *
+     * @return {@code 200 OK} wrapping the user's markers as {@link MarkerResponse} DTOs
+     */
    @GetMapping("")
    public ResponseEntity<APIResponse<List<MarkerResponse>>> getMarkers() {
        List<MarkerResponse> markers = markerService.getUserMarkers().stream()
@@ -33,6 +38,12 @@ public class MarkerController {
        );
    }

+    /**
+     * Retrieves a single marker owned by the authenticated user.
+     *
+     * @param id the ID of the marker to retrieve
+     * @return {@code 200 OK} wrapping the marker as a {@link MarkerResponse} DTO
+     */
    @GetMapping("/{id}")
    public ResponseEntity<APIResponse<MarkerResponse>> getMarkerById(@PathVariable Long id) {
        Marker marker = markerService.getMarkerById(id);
@@ -42,6 +53,12 @@ public class MarkerController {
        );
    }

+    /**
+     * Creates a marker at the current moment on the user's active stream.
+     *
+     * @param request the marker payload carrying the marker message
+     * @return {@code 200 OK} wrapping the created marker as a {@link MarkerResponse} DTO
+     */
    @PostMapping("")
    public ResponseEntity<APIResponse<MarkerResponse>> createMarker(@Valid @RequestBody MarkerCreateRequest request) {
        Marker marker = markerService.create(request.message());
@@ -51,6 +68,12 @@ public class MarkerController {
        );
    }

+    /**
+     * Deletes a marker owned by the authenticated user.
+     *
+     * @param id the ID of the marker to delete
+     * @return {@code 200 OK} with a confirmation message
+     */
    @DeleteMapping("/{id}")
    public ResponseEntity<APIResponse<String>> deleteMarker(@PathVariable Long id) {
        markerService.deleteMarker(id);
--- a/src/main/java/com/ddf/vodsystem/controllers/MediaController.java
+++ b/src/main/java/com/ddf/vodsystem/controllers/MediaController.java
@@ -26,6 +26,14 @@ public class MediaController {
        this.mediaService = mediaService;
    }

+    /**
+     * Starts an asynchronous job to compress an uploaded video file.
+     *
+     * @param file    the uploaded video to compress
+     * @param options trim window, resolution, fps, and target size for the output
+     * @return {@code 200 OK} wrapping the new job's UUID for polling
+     * @throws IOException if saving the upload to temporary storage fails
+     */
    @PostMapping(value = "/compress", consumes = MediaType.MULTIPART_FORM_DATA_VALUE)
    public ResponseEntity<APIResponse<UUIDResponse>> compress(
            @RequestParam("file")MultipartFile file,
@@ -40,6 +48,13 @@ public class MediaController {
    }


+    /**
+     * Starts an asynchronous job to save a section of the user's stream between two timestamps as a VoD.
+     *
+     * @param saveSectionRequest the start/end timestamps and optional title/description
+     * @return {@code 200 OK} wrapping the new job's UUID for polling
+     * @throws IOException if reading the stream segments fails
+     */
    @PostMapping("/save")
    public ResponseEntity<APIResponse<UUIDResponse>> save(
            @RequestBody SaveSectionRequest saveSectionRequest) throws IOException {
@@ -55,6 +70,13 @@ public class MediaController {
        ));
    }

+    /**
+     * Starts an asynchronous job to save the section of the user's stream between two markers as a VoD.
+     *
+     * @param saveSectionByMarkerRequest the start/end marker IDs and optional title/description
+     * @return {@code 200 OK} wrapping the new job's UUID for polling
+     * @throws IOException if reading the stream segments fails
+     */
    @PostMapping("/save/markers")
    public ResponseEntity<APIResponse<UUIDResponse>> saveByMarkers(
            @Valid @RequestBody SaveSectionByMarkerRequest saveSectionByMarkerRequest) throws IOException {
@@ -70,6 +92,13 @@ public class MediaController {
        ));
    }

+    /**
+     * Starts an asynchronous job to save the last few seconds of the user's stream as a clip.
+     *
+     * @param clipSectionRequest the clip duration in seconds and optional title/description
+     * @return {@code 200 OK} wrapping the new job's UUID for polling
+     * @throws IOException if reading the stream segments fails
+     */
    @PostMapping("/clip")
    public ResponseEntity<APIResponse<UUIDResponse>> clip(
            @RequestBody ClipSectionRequest clipSectionRequest) throws IOException {
--- a/src/main/java/com/ddf/vodsystem/controllers/StreamController.java
+++ b/src/main/java/com/ddf/vodsystem/controllers/StreamController.java
@@ -24,6 +24,14 @@ public class StreamController {
        this.streamService = streamService;
    }

+    /**
+     * Starts a new stream for the user owning the given stream key.
+     * <p>
+     * Called by nginx via its {@code on_publish} RTMP callback when a broadcast begins.
+     *
+     * @param streamKey the RTMP stream key identifying the broadcasting user
+     * @return {@code 200 OK} wrapping the newly started {@link Stream}
+     */
    // Called by nginx on_publish
    @PostMapping("/start")
    public ResponseEntity<APIResponse<Stream>> startStream(@RequestParam("name") String streamKey) {
@@ -32,6 +40,14 @@ public class StreamController {
        return ResponseEntity.ok(new APIResponse<>(SUCCESS, "Stream started", stream));
    }

+    /**
+     * Ends the active stream for the user owning the given stream key.
+     * <p>
+     * Called by nginx via its {@code on_publish_done} RTMP callback when a broadcast stops.
+     *
+     * @param streamKey the RTMP stream key identifying the broadcasting user
+     * @return {@code 200 OK} confirming the stream was ended
+     */
    // Called by nginx on_publish_done
    @PostMapping("/stop")
    public ResponseEntity<APIResponse<Void>> stopStream(@RequestParam("name") String streamKey) {
@@ -40,6 +56,14 @@ public class StreamController {
        return ResponseEntity.ok(new APIResponse<>(SUCCESS, "Stream ended", null));
    }

+    /**
+     * Records a liveness heartbeat for the active stream, keeping it from being reaped as stale.
+     * <p>
+     * Called periodically by nginx via its {@code on_update} RTMP callback.
+     *
+     * @param streamKey the RTMP stream key identifying the broadcasting user
+     * @return {@code 200 OK} confirming the heartbeat was recorded
+     */
    // Called by nginx on_update
    @PostMapping("/heartbeat")
    public ResponseEntity<APIResponse<Void>> heartbeat(@RequestParam("name") String streamKey) {
@@ -47,12 +71,24 @@ public class StreamController {
        return ResponseEntity.ok(new APIResponse<>(SUCCESS, "Heartbeat recorded", null));
    }

+    /**
+     * Retrieves the stream history for the given user.
+     *
+     * @param userId the ID of the user whose stream history to retrieve; must be the authenticated user
+     * @return {@code 200 OK} wrapping the user's past and current {@link Stream}s
+     */
    @GetMapping("/history/{userId}")
    public ResponseEntity<APIResponse<List<Stream>>> getStreamHistory(@PathVariable Long userId) {
        List<Stream> history = streamService.getStreamHistory(userId);
        return ResponseEntity.ok(new APIResponse<>(SUCCESS, "Stream history retrieved", history));
    }

+    /**
+     * Reports whether the authenticated user is currently streaming.
+     *
+     * @return {@code 200 OK} wrapping a {@link StreamResponse} indicating the live status and, if live,
+     *         the active stream's ID
+     */
    @GetMapping("/current")
    public ResponseEntity<APIResponse<StreamResponse>> getCurrentStream() {
        Optional<Stream> stream = streamService.getActiveStream();
--- a/src/main/java/com/ddf/vodsystem/controllers/UserController.java
+++ b/src/main/java/com/ddf/vodsystem/controllers/UserController.java
@@ -27,6 +27,12 @@ public class UserController {
        this.userService = userService;
    }

+    /**
+     * Returns the currently authenticated user's profile.
+     *
+     * @return {@code 200 OK} wrapping the authenticated {@link User}
+     * @throws NotAuthenticated if no valid session is present
+     */
    @GetMapping("/me")
    public ResponseEntity<APIResponse<User>> user() {
        Optional<User> user = userService.getLoggedInUser();
@@ -40,6 +46,17 @@ public class UserController {
        );
    }

+    /**
+     * Authenticates a user from a Google ID token and issues a session JWT.
+     * <p>
+     * The JWT is set as an HttpOnly {@code token} cookie (scoped by request security) and also
+     * returned in the response body.
+     *
+     * @param token    the payload carrying the Google ID token to verify
+     * @param request  the incoming request, used to decide cookie {@code Secure}/{@code SameSite} flags
+     * @param response the response the session cookie is written to
+     * @return {@code 200 OK} wrapping the issued JWT as a {@link Token}
+     */
    @PostMapping("/login")
    public ResponseEntity<APIResponse<Token>> login(@RequestBody Token token,
 		    				    HttpServletRequest request,
@@ -61,6 +78,13 @@ public class UserController {
        );
    }

+    /**
+     * Logs the user out by clearing the session cookie.
+     *
+     * @param response the response the expired cookie is written to
+     * @param request  the incoming request, used to match the original cookie's {@code Secure}/{@code SameSite} flags
+     * @return {@code 200 OK} confirming logout
+     */
    @PostMapping("/logout")
    public ResponseEntity<APIResponse<Void>> logout(HttpServletResponse response,
 		    				    HttpServletRequest request) {
--- a/src/main/java/com/ddf/vodsystem/controllers/VodController.java
+++ b/src/main/java/com/ddf/vodsystem/controllers/VodController.java
@@ -6,14 +6,12 @@ import com.ddf.vodsystem.dto.APIResponse;
 import com.ddf.vodsystem.entities.Vod;
 import com.ddf.vodsystem.services.VodService;
 import org.springframework.core.io.Resource;
-import org.springframework.http.HttpHeaders;
-import org.springframework.http.MediaType;
-import org.springframework.http.MediaTypeFactory;
-import org.springframework.http.ResponseEntity;
+import org.springframework.http.*;
 import org.springframework.web.bind.annotation.*;

 import java.io.IOException;
 import java.util.List;
+import java.util.concurrent.TimeUnit;

@RestController
@RequestMapping("/api/v1/vods")
@@ -26,6 +24,11 @@ public class VodController {
        this.vodService = vodService;
    }

+    /**
+     * Lists all VoDs belonging to the authenticated user.
+     *
+     * @return {@code 200 OK} wrapping the user's VoDs as {@link VodResponse} DTOs
+     */
    @GetMapping("")
    public ResponseEntity<APIResponse<List<VodResponse>>> getVods() {
        List<VodResponse> vods = vodService.getUserVods().stream()
@@ -35,12 +38,25 @@ public class VodController {
        return ResponseEntity.ok(new APIResponse<>(SUCCESS, "Vods retrieved successfully", vods));
    }

+    /**
+     * Retrieves a single VoD owned by the authenticated user.
+     *
+     * @param id the ID of the VoD to retrieve
+     * @return {@code 200 OK} wrapping the VoD as a {@link VodResponse} DTO
+     */
    @GetMapping("/{id}")
    public ResponseEntity<APIResponse<VodResponse>> getVodById(@PathVariable Long id) {
        VodResponse vod = convertToDTO(vodService.getVodById(id));
        return ResponseEntity.ok(new APIResponse<>(SUCCESS, "Vod retrieved successfully", vod));
    }

+    /**
+     * Applies a partial update to a VoD's metadata; null fields are left unchanged.
+     *
+     * @param id           the ID of the VoD to update
+     * @param updateFields the title and/or description to overwrite
+     * @return {@code 200 OK} wrapping the updated VoD as a {@link VodResponse} DTO
+     */
    @PatchMapping("/{id}")
    public ResponseEntity<APIResponse<VodResponse>> updateVod(@PathVariable Long id,
                                                              @RequestBody VodUpdateRequest updateFields) {
@@ -48,6 +64,12 @@ public class VodController {
        return ResponseEntity.ok(new APIResponse<>(SUCCESS, "Vod updated successfully", vod));
    }

+    /**
+     * Deletes a VoD and its associated files.
+     *
+     * @param id the ID of the VoD to delete
+     * @return {@code 200 OK} with a confirmation message
+     */
    @DeleteMapping("/{id}")
    public ResponseEntity<APIResponse<String>> deleteVod(@PathVariable Long id) {
        vodService.deleteVod(id);
@@ -55,6 +77,13 @@ public class VodController {
                "Vod with ID " + id + " has been deleted"));
    }

+    /**
+     * Streams the VoD's video file inline, supporting HTTP range requests.
+     *
+     * @param id the ID of the VoD to download
+     * @return {@code 200 OK} with the video resource, or {@code 404 Not Found} if the file is missing
+     * @throws IOException if the resource's content length cannot be read
+     */
    @GetMapping(value = "/{id}/media", produces = MediaType.ALL_VALUE)
    public ResponseEntity<Resource> downloadVod(@PathVariable Long id) throws IOException {
        Resource resource = vodService.downloadVod(id);
@@ -72,8 +101,15 @@ public class VodController {
                .body(resource);
    }

+    /**
+     * Streams the VoD's thumbnail image with a public cache policy.
+     *
+     * @param id the ID of the VoD whose thumbnail to download
+     * @return {@code 200 OK} with the thumbnail resource, or {@code 404 Not Found} if the file is missing
+     * @throws IOException if the resource's last-modified time cannot be read
+     */
    @GetMapping("/{id}/thumbnail")
-    public ResponseEntity<Resource> downloadThumbnail(@PathVariable Long id) {
+    public ResponseEntity<Resource> downloadThumbnail(@PathVariable Long id) throws IOException {
        Resource resource = vodService.downloadThumbnail(id);

        if (resource == null || !resource.exists()) {
@@ -81,6 +117,8 @@ public class VodController {
        }

        return ResponseEntity.ok()
+                .cacheControl(CacheControl.maxAge(2, TimeUnit.DAYS).cachePublic())
+                .lastModified(resource.lastModified())
                .header(HttpHeaders.CONTENT_DISPOSITION, String.format(FILENAME_HEADER, resource.getFilename()))
                .contentType(MediaTypeFactory.getMediaType(resource).orElse(MediaType.APPLICATION_OCTET_STREAM))
                .body(resource);
--- a/src/main/java/com/ddf/vodsystem/dto/CommandOutput.java
+++ b/src/main/java/com/ddf/vodsystem/dto/CommandOutput.java
@@ -10,6 +10,11 @@ public class CommandOutput {
    private List<String> output = new ArrayList<>();
    private int exitCode;

+    /**
+     * Appends a line to the captured command output.
+     *
+     * @param line the output line to append
+     */
    public void addLine(String line) {
        output.add(line);
    }
--- a/src/main/java/com/ddf/vodsystem/dto/ProgressTracker.java
+++ b/src/main/java/com/ddf/vodsystem/dto/ProgressTracker.java
@@ -4,14 +4,30 @@ public class ProgressTracker {
    private float progress = 0.0f;
    private boolean isComplete = false;

+    /**
+     * Returns the current progress.
+     *
+     * @return the progress as a fraction in {@code [0, 1]}
+     */
    public synchronized float getProgress() {
        return progress;
    }

+    /**
+     * Returns whether the tracked task has been marked complete.
+     *
+     * @return {@code true} if complete
+     */
    public synchronized boolean isComplete() {
        return isComplete;
    }

+    /**
+     * Updates the current progress.
+     *
+     * @param newProgress the progress as a fraction in {@code [0, 1]}
+     * @throws IllegalArgumentException if {@code newProgress} is outside {@code [0, 1]}
+     */
    public synchronized void setProgress(float newProgress) {
        if (newProgress < 0 || newProgress > 1) {
            throw new IllegalArgumentException("Progress must be between 0 and 1");
@@ -19,10 +35,16 @@ public class ProgressTracker {
        this.progress = newProgress;
    }

+    /**
+     * Marks the tracked task as complete.
+     */
    public synchronized void markComplete() {
        this.isComplete = true;
    }

+    /**
+     * Resets progress to zero and clears the complete flag.
+     */
    public synchronized void reset() {
        this.progress = 0.0f;
        this.isComplete = false;
--- a/src/main/java/com/ddf/vodsystem/exceptions/ClipMediaUnavailable.java
+++ b/src/main/java/com/ddf/vodsystem/exceptions/ClipMediaUnavailable.java
@@ -12,6 +12,11 @@ public class ClipMediaUnavailable extends RuntimeException {
    this.clipId = clipId;
  }

+  /**
+   * Returns the ID of the clip whose media was unavailable.
+   *
+   * @return the affected clip's ID
+   */
  public Long getClipId() {
    return clipId;
  }
--- a/src/main/java/com/ddf/vodsystem/exceptions/VodMediaUnavailable.java
+++ b/src/main/java/com/ddf/vodsystem/exceptions/VodMediaUnavailable.java
@@ -12,6 +12,11 @@ public class VodMediaUnavailable extends RuntimeException {
    this.vodId = vodId;
  }

+  /**
+   * Returns the ID of the VoD whose media was unavailable.
+   *
+   * @return the affected VoD's ID
+   */
  public Long getVodId() {
    return vodId;
  }
--- a/src/main/java/com/ddf/vodsystem/repositories/ClipRepository.java
+++ b/src/main/java/com/ddf/vodsystem/repositories/ClipRepository.java
@@ -10,6 +10,12 @@ import java.util.List;

@Repository
 public interface ClipRepository extends JpaRepository<Clip, Long> {
+    /**
+     * Finds all clips owned by the given user.
+     *
+     * @param user the owning user
+     * @return the user's clips
+     */
    @Query("SELECT c FROM Clip c WHERE c.user = ?1")
    List<Clip> findByUser(User user);
 }
--- a/src/main/java/com/ddf/vodsystem/repositories/MarkerRepository.java
+++ b/src/main/java/com/ddf/vodsystem/repositories/MarkerRepository.java
@@ -11,9 +11,21 @@ import java.util.List;

@Repository
 public interface MarkerRepository extends JpaRepository<Marker, Long> {
+    /**
+     * Finds all markers owned by the given user.
+     *
+     * @param user the owning user
+     * @return the user's markers
+     */
    @Query("SELECT m FROM Marker m WHERE m.user = ?1")
    List<Marker> findByUser(User user);

+    /**
+     * Finds all markers timestamped at or before the given instant.
+     *
+     * @param time the cutoff instant (inclusive)
+     * @return markers at or before {@code time}
+     */
    @Query("SELECT m FROM Marker m WHERE m.timestamp <= ?1")
    List<Marker> findAllBefore(Instant time);
 }
--- a/src/main/java/com/ddf/vodsystem/repositories/StreamRepository.java
+++ b/src/main/java/com/ddf/vodsystem/repositories/StreamRepository.java
@@ -11,7 +11,27 @@ import java.util.Optional;

@Repository
 public interface StreamRepository extends JpaRepository<Stream, Long> {
+    /**
+     * Finds the user's active (not-yet-ended) stream, if any.
+     *
+     * @param user the owning user
+     * @return the active stream, or empty if none
+     */
    Optional<Stream> findByUserAndEndDateIsNull(User user);
+
+    /**
+     * Finds all streams belonging to the given user.
+     *
+     * @param user the owning user
+     * @return the user's streams
+     */
    List<Stream> findByUser(User user);
+
+    /**
+     * Finds active streams whose last heartbeat predates the given cutoff, i.e. stale streams.
+     *
+     * @param cutoff the last-seen cutoff; streams last seen before this are returned
+     * @return the stale active streams
+     */
    List<Stream> findByEndDateIsNullAndLastSeenBefore(Instant cutoff);
 }
--- a/src/main/java/com/ddf/vodsystem/repositories/UserRepository.java
+++ b/src/main/java/com/ddf/vodsystem/repositories/UserRepository.java
@@ -9,9 +9,21 @@ import java.util.Optional;

@Repository
 public interface UserRepository extends JpaRepository<User, Long> {
+    /**
+     * Finds a user by their Google account ID.
+     *
+     * @param googleId the Google subject identifier
+     * @return the matching user, or empty if none
+     */
    @Query("SELECT u FROM User u WHERE u.googleId = ?1")
    Optional<User> findByGoogleId(String googleId);

+    /**
+     * Finds a user by their stream key.
+     *
+     * @param streamKey the stream key to match
+     * @return the matching user, or empty if none
+     */
    @Query("SELECT u FROM User u WHERE u.streamKey = ?1")
    Optional<User> findByStreamKey(String streamKey);
 }
--- a/src/main/java/com/ddf/vodsystem/repositories/VodRepository.java
+++ b/src/main/java/com/ddf/vodsystem/repositories/VodRepository.java
@@ -11,6 +11,12 @@ import java.util.List;
@Repository
 public interface VodRepository extends JpaRepository<Vod, Long>
 {
+    /**
+     * Finds all VoDs owned by the given user.
+     *
+     * @param user the owning user
+     * @return the user's VoDs
+     */
    @Query("SELECT v FROM Vod v WHERE v.user = ?1")
    List<Vod> findByUser(User user);
 }
--- a/src/main/java/com/ddf/vodsystem/security/JwtService.java
+++ b/src/main/java/com/ddf/vodsystem/security/JwtService.java
@@ -26,6 +26,12 @@ public class JwtService {
        this.algorithm = Algorithm.HMAC256(jwtSecretKey);
    }

+    /**
+     * Generates a signed JWT carrying the given user ID, valid for the configured expiry.
+     *
+     * @param userId the user ID to embed as a claim
+     * @return the signed JWT string
+     */
    public String generateToken(Long userId) {
        return JWT.create()
                .withClaim(USER_ID_CLAIM, userId)
@@ -34,6 +40,12 @@ public class JwtService {
                .sign(algorithm);
    }

+    /**
+     * Verifies a JWT's signature, issuer, and expiry, returning the embedded user ID.
+     *
+     * @param token the JWT to validate
+     * @return the user ID claim if the token is valid and unexpired, otherwise {@code null}
+     */
    public Long validateTokenAndGetUserId(String token) {
        try {
            JWTVerifier verifier = JWT.require(algorithm)
--- a/src/main/java/com/ddf/vodsystem/services/DirectoryService.java
+++ b/src/main/java/com/ddf/vodsystem/services/DirectoryService.java
@@ -40,61 +40,132 @@ public class DirectoryService {
    private static final String CLIPS_DIR_NAME = "clips";
    private static final String THUMBNAIL_DIR_NAME = "thumbnails";

+    /**
+     * Returns the directory for temporary upload inputs.
+     *
+     * @return the configured temporary input directory path
+     */
    public Path getTempInputDir() {
        return Path.of(tempInputsDir);
    }

+    /**
+     * Returns the directory for temporary processing outputs.
+     *
+     * @return the configured temporary output directory path
+     */
    public Path getTempOutputDir() {
        return Path.of(tempOutputsDir);
    }

+    /**
+     * Returns the given user's root media directory, creating it if necessary.
+     *
+     * @param userId the ID of the user
+     * @return the user's media directory path
+     * @throws IOException if the directory cannot be created
+     */
    public Path getUserDir(Long userId) throws IOException {
        Path userDir = Path.of(usersDir + File.separator + userId);
        Files.createDirectories(userDir);
        return userDir;
    }

+    /**
+     * Returns the given user's VoDs directory, creating it if necessary.
+     *
+     * @param userId the ID of the user
+     * @return the user's VoDs directory path
+     * @throws IOException if the directory cannot be created
+     */
    public Path getVodsDir(Long userId) throws IOException {
        Path vodDir = getUserDir(userId).resolve(VODS_DIR_NAME);
        Files.createDirectories(vodDir);
        return vodDir;
    }

+    /**
+     * Returns the given user's clips directory, creating it if necessary.
+     *
+     * @param userId the ID of the user
+     * @return the user's clips directory path
+     * @throws IOException if the directory cannot be created
+     */
    public Path getClipsDir(Long userId) throws IOException {
        Path clipsDir = getUserDir(userId).resolve(CLIPS_DIR_NAME);
        Files.createDirectories(clipsDir);
        return clipsDir;
    }

+    /**
+     * Returns the given user's thumbnails directory, creating it if necessary.
+     *
+     * @param userId the ID of the user
+     * @return the user's thumbnails directory path
+     * @throws IOException if the directory cannot be created
+     */
    public Path getThumbnailsDir(Long userId) throws IOException {
        Path thumbnailsDir = getUserDir(userId).resolve(THUMBNAIL_DIR_NAME);
        Files.createDirectories(thumbnailsDir);
        return thumbnailsDir;
    }

+    /**
+     * Returns the directory holding a stream's recorded HLS segments, creating it if necessary.
+     *
+     * @param streamKey the stream key naming the segment directory
+     * @return the stream's segment directory path
+     * @throws IOException if the directory cannot be created
+     */
    public Path getStreamDir(String streamKey) throws IOException {
        Path streamFolder = Path.of(streamsDir, streamKey);
        Files.createDirectories(streamFolder);
        return streamFolder;
    }

+    /**
+     * Converts an absolute path into one relative to the users media root, for storage in the database.
+     *
+     * @param path the absolute path to relativise
+     * @return the path relative to the users media directory
+     */
    public Path relativisePath(Path path) {
        Path media = Path.of(usersDir).toAbsolutePath();
        Path newPath = path.toAbsolutePath();
        return media.relativize(newPath);
    }

+    /**
+     * Resolves a stored relative path back into an absolute path under the users media root.
+     *
+     * @param path the relative path, as stored in the database
+     * @return the absolute path on disk
+     */
    public Path resolvePath(String path) {
        Path media = Path.of(usersDir).toAbsolutePath();
        Path newPath = Path.of(path);
        return media.resolve(newPath);
    }

+    /**
+     * Writes an uploaded file to the given path, creating parent directories and overwriting any existing file.
+     *
+     * @param path          the destination path
+     * @param multipartFile the uploaded file to save
+     * @throws IOException if writing the file fails
+     */
    public void saveMultipartFile(Path path, MultipartFile multipartFile) throws IOException {
        Files.createDirectories(path.getParent());
        Files.copy(multipartFile.getInputStream(), path, StandardCopyOption.REPLACE_EXISTING);
    }

+    /**
+     * Copies a file, creating parent directories and overwriting any existing target.
+     *
+     * @param source the file to copy from
+     * @param target the destination path
+     * @throws IOException if the copy fails
+     */
    public void copyFile(Path source, Path target) throws IOException {
        Files.createDirectories(target.getParent());
        Files.copy(source, target, StandardCopyOption.REPLACE_EXISTING);
@@ -146,6 +217,12 @@ public class DirectoryService {
        }
    }

+    /**
+     * Creates the temporary and users media directories on startup and verifies they are usable.
+     *
+     * @throws IOException           if a directory cannot be created
+     * @throws IllegalStateException if any required directory is not a readable, writable directory
+     */
    @PostConstruct
    public void createDirectoriesIfNotExist() throws IOException {
        Files.createDirectories(Path.of(tempInputsDir));
@@ -155,6 +232,13 @@ public class DirectoryService {
        checkDirPermissions();
    }

+    /**
+     * Scheduled cleanup that deletes stale files from the temporary input and output directories.
+     * <p>
+     * Runs every 30 minutes; files older than 3 hours are removed.
+     *
+     * @throws IOException if listing a temporary directory fails
+     */
    @Scheduled(fixedRate = TEMP_DIR_CLEANUP_RATE)
    public void cleanTempDirectories() throws IOException {
        cleanUpDirectory(tempInputsDir);
--- a/src/main/java/com/ddf/vodsystem/services/MarkerService.java
+++ b/src/main/java/com/ddf/vodsystem/services/MarkerService.java
@@ -32,6 +32,14 @@ public class MarkerService {
        this.markerRepository = markerRepository;
    }

+    /**
+     * Returns the marker with the given ID, verifying ownership by the current user.
+     *
+     * @param id the ID of the marker to retrieve
+     * @return the matching {@link Marker}
+     * @throws MarkerNotFound   if no marker with {@code id} exists
+     * @throws NotAuthenticated if the current user does not own the marker
+     */
    public Marker getMarkerById(Long id) {
        Optional<Marker> marker = markerRepository.findById(id);

@@ -47,6 +55,12 @@ public class MarkerService {
        return marker.get();
    }

+    /**
+     * Returns all markers belonging to the currently authenticated user.
+     *
+     * @return list of the current user's markers
+     * @throws NotAuthenticated if no user session is present
+     */
    public List<Marker> getUserMarkers() {
        Optional<User> user = userService.getLoggedInUser();

@@ -57,6 +71,13 @@ public class MarkerService {
        return markerRepository.findByUser(user.get());
    }

+    /**
+     * Creates a marker timestamped now on the current user's active stream.
+     *
+     * @param message the marker's descriptive message
+     * @return the persisted {@link Marker}
+     * @throws NotStreaming if the user has no active stream to mark
+     */
    public Marker create(String message) {
        Optional<Stream> stream = streamService.getActiveStream();

@@ -72,11 +93,23 @@ public class MarkerService {
        return markerRepository.saveAndFlush(marker);
    }

+    /**
+     * Deletes a marker owned by the current user.
+     *
+     * @param id the ID of the marker to delete
+     * @throws MarkerNotFound   if no marker with {@code id} exists
+     * @throws NotAuthenticated if the current user does not own the marker
+     */
    public void deleteMarker(Long id) {
        Marker marker = getMarkerById(id);
        markerRepository.delete(marker);
    }

+    /**
+     * Scheduled cleanup that deletes markers older than the configured maximum stream length.
+     * <p>
+     * Runs periodically (every 6 minutes) to purge markers left behind by streams that have ended.
+     */
    @Scheduled(fixedDelay = 360_000)
    @Transactional
    public void deleteOldMarkers() {
--- a/src/main/java/com/ddf/vodsystem/services/StreamService.java
+++ b/src/main/java/com/ddf/vodsystem/services/StreamService.java
@@ -30,6 +30,14 @@ public class StreamService {
        this.userService = userService;
    }

+    /**
+     * Starts a new stream for the user identified by the given stream key.
+     *
+     * @param streamKey the stream key resolving to the broadcasting user
+     * @return the newly persisted {@link Stream}
+     * @throws KeyNotFound      if no user owns {@code streamKey}
+     * @throws AlreadyStreaming if the user already has an active stream
+     */
    public Stream startStream(String streamKey) {
        User user = resolveUser(streamKey);

@@ -45,6 +53,13 @@ public class StreamService {
        return streamRepository.saveAndFlush(stream);
    }

+    /**
+     * Ends the active stream for the user identified by the given stream key.
+     *
+     * @param streamKey the stream key resolving to the broadcasting user
+     * @throws KeyNotFound           if no user owns {@code streamKey}
+     * @throws IllegalStateException if the user has no active stream
+     */
    public void endStream(String streamKey) {
        User user = resolveUser(streamKey);

@@ -56,6 +71,13 @@ public class StreamService {
        streamRepository.saveAndFlush(stream);
    }

+    /**
+     * Records a liveness heartbeat on the active stream, refreshing its last-seen time.
+     *
+     * @param streamKey the stream key resolving to the broadcasting user
+     * @throws KeyNotFound           if no user owns {@code streamKey}
+     * @throws IllegalStateException if the user has no active stream
+     */
    public void heartbeatStream(String streamKey) {
        User user = resolveUser(streamKey);

@@ -67,6 +89,12 @@ public class StreamService {
        streamRepository.saveAndFlush(stream);
    }

+    /**
+     * Returns the current user's active (not-yet-ended) stream, if any.
+     *
+     * @return the active {@link Stream}, or empty if the user is not currently streaming
+     * @throws NotAuthenticated if no user session is present
+     */
    public Optional<Stream> getActiveStream() {
        Optional<User> user = userService.getLoggedInUser();

@@ -77,6 +105,14 @@ public class StreamService {
        return streamRepository.findByUserAndEndDateIsNull(user.get());
    }

+    /**
+     * Returns the full stream history for the given user.
+     *
+     * @param userId the ID of the user whose history to retrieve
+     * @return the user's streams, past and present
+     * @throws IllegalArgumentException if no user with {@code userId} exists
+     * @throws NotAuthenticated         if no user is authenticated, or the caller is not that user
+     */
    public List<Stream> getStreamHistory(Long userId) {
        User streamUser = userService.getUserById(userId)
                .orElseThrow(() -> new IllegalArgumentException("User not found: " + userId));
@@ -94,6 +130,12 @@ public class StreamService {
        return streamRepository.findByUser(streamUser);
    }

+    /**
+     * Scheduled sweep that ends streams which have missed heartbeats past the timeout.
+     * <p>
+     * Runs every 30 seconds; any active stream whose last heartbeat is older than
+     * {@value #HEARTBEAT_TIMEOUT_SECONDS} seconds is marked ended.
+     */
    @Scheduled(fixedDelay = 30_000)
    @Transactional
    public void endStaleStreams() {
--- a/src/main/java/com/ddf/vodsystem/services/UserService.java
+++ b/src/main/java/com/ddf/vodsystem/services/UserService.java
@@ -44,10 +44,21 @@ public class UserService {
        this.jwtService = jwtService;
    }

+    /**
+     * Looks up a user by their database ID.
+     *
+     * @param userId the ID of the user to find
+     * @return the matching {@link User}, or empty if none exists
+     */
    public Optional<User> getUserById(Long userId) {
        return userRepository.findById(userId);
    }

+    /**
+     * Returns the user backing the current Spring Security authentication, if authenticated.
+     *
+     * @return the authenticated {@link User}, or empty if no user is authenticated
+     */
    public Optional<User> getLoggedInUser() {
        Authentication auth = SecurityContextHolder.getContext().getAuthentication();
        if (auth != null && auth.isAuthenticated() && auth.getPrincipal() instanceof User user) {
@@ -56,6 +67,13 @@ public class UserService {
        return Optional.empty();
    }

+    /**
+     * Verifies a Google ID token, creating or updating the corresponding user, and issues a session JWT.
+     *
+     * @param idToken the Google ID token to verify
+     * @return a signed JWT for the authenticated user
+     * @throws NotAuthenticated if the token is invalid or its subject is missing
+     */
    public String login(String idToken) {
        GoogleIdToken googleIdToken = getGoogleIdToken(idToken);
        String googleId = googleIdToken.getPayload().getSubject();
@@ -70,6 +88,12 @@ public class UserService {
        return jwtService.generateToken(user.getId());
    }

+    /**
+     * Looks up a user by their stream key.
+     *
+     * @param streamKey the stream key to match
+     * @return the matching {@link User}, or empty if none exists
+     */
    public Optional<User> getUserByStreamKey(String streamKey) {
        return userRepository.findByStreamKey(streamKey);
    }
--- a/src/main/java/com/ddf/vodsystem/services/media/CommandRunner.java
+++ b/src/main/java/com/ddf/vodsystem/services/media/CommandRunner.java
@@ -16,6 +16,15 @@ import java.util.regex.Pattern;
 public class CommandRunner {
    private static final Pattern timePattern = Pattern.compile("out_time_ms=(\\d+)");

+    /**
+     * Runs an external command, capturing its merged stdout/stderr and streaming each line to a callback.
+     *
+     * @param command  the command and its arguments
+     * @param onOutput invoked for each output line as it is read, or {@code null} to skip streaming
+     * @return the captured output and exit code
+     * @throws IOException          if the process fails to start or exits with a non-zero code
+     * @throws InterruptedException if the current thread is interrupted while awaiting the process
+     */
    public CommandOutput run(List<String> command, Consumer<String> onOutput) throws IOException, InterruptedException {
        ProcessBuilder processBuilder = new ProcessBuilder(command);
        processBuilder.redirectErrorStream(true);
@@ -43,10 +52,27 @@ public class CommandRunner {
        return commandOutput;
    }

+    /**
+     * Runs an external command, capturing its output without streaming.
+     *
+     * @param command the command and its arguments
+     * @return the captured output and exit code
+     * @throws IOException          if the process fails to start or exits with a non-zero code
+     * @throws InterruptedException if the current thread is interrupted while awaiting the process
+     */
    public CommandOutput run(List<String> command) throws IOException, InterruptedException {
        return run(command, null);
    }

+    /**
+     * Parses an ffmpeg progress line and updates the tracker with the fraction completed.
+     * <p>
+     * Lines without an {@code out_time_ms} field are ignored.
+     *
+     * @param line     a single line of ffmpeg {@code -progress} output
+     * @param progress the tracker to update
+     * @param length   the total media length in seconds, used as the progress denominator
+     */
    public void setProgress(String line, ProgressTracker progress, float length) {
        Matcher matcher = timePattern.matcher(line);
        if (matcher.find()) {
--- a/src/main/java/com/ddf/vodsystem/services/media/CompressionService.java
+++ b/src/main/java/com/ddf/vodsystem/services/media/CompressionService.java
@@ -27,6 +27,17 @@ public class CompressionService {
        this.commandRunner = commandRunner;
    }

+    /**
+     * Compresses (and optionally trims/rescales) a video with ffmpeg on a background executor.
+     * <p>
+     * Runs asynchronously; failures complete the returned future exceptionally rather than throwing.
+     *
+     * @param inputFile   the source video file
+     * @param outputFile  the destination for the compressed output
+     * @param clipOptions the trim window, target resolution/fps, and size driving the ffmpeg command
+     * @param progress    the tracker updated as encoding progresses
+     * @return a future completing with the ffmpeg output, or exceptionally on failure
+     */
    @Async("ffmpegTaskExecutor")
    public CompletableFuture<CommandOutput> compress(Path inputFile,
                                                     Path outputFile,
--- a/src/main/java/com/ddf/vodsystem/services/media/MetadataService.java
+++ b/src/main/java/com/ddf/vodsystem/services/media/MetadataService.java
@@ -26,6 +26,14 @@ public class MetadataService {
        this.commandRunner = commandRunner;
    }

+    /**
+     * Probes a video file with ffprobe and returns its metadata (duration, dimensions, fps, size).
+     * <p>
+     * Runs asynchronously; failures complete the returned future exceptionally rather than throwing.
+     *
+     * @param file the video file to probe
+     * @return a future completing with the parsed {@link ClipOptions}, or exceptionally on failure
+     */
    @Async("ffmpegTaskExecutor")
    public CompletableFuture<ClipOptions> getVideoMetadata(Path file) {
        logger.info("Getting metadata for file {}", file);
--- a/src/main/java/com/ddf/vodsystem/services/media/RemuxService.java
+++ b/src/main/java/com/ddf/vodsystem/services/media/RemuxService.java
@@ -21,6 +21,17 @@ public class RemuxService {
        this.commandRunner = commandRunner;
    }

+    /**
+     * Re-encodes a video to H.264/AAC in an MP4 container with ffmpeg on a background executor.
+     * <p>
+     * Runs asynchronously; failures complete the returned future exceptionally rather than throwing.
+     *
+     * @param inputFile     the source video file
+     * @param outputFile    the destination for the remuxed MP4
+     * @param remuxProgress the tracker updated as encoding progresses
+     * @param length        the media length in seconds, used to compute progress
+     * @return a future completing with the ffmpeg output, or exceptionally on failure
+     */
    @Async("ffmpegTaskExecutor")
    public CompletableFuture<CommandOutput> remux(File inputFile,
                                                  File outputFile,
--- a/src/main/java/com/ddf/vodsystem/services/media/ThumbnailService.java
+++ b/src/main/java/com/ddf/vodsystem/services/media/ThumbnailService.java
@@ -20,6 +20,16 @@ public class ThumbnailService {
        this.commandRunner = commandRunner;
    }

+    /**
+     * Extracts a single frame from a video as a thumbnail image with ffmpeg on a background executor.
+     * <p>
+     * Runs asynchronously; failures complete the returned future exceptionally rather than throwing.
+     *
+     * @param inputFile   the source video file
+     * @param outputFile  the destination for the thumbnail image
+     * @param timeInVideo the timestamp in seconds at which to capture the frame
+     * @return a future completing with the ffmpeg output, or exceptionally on failure
+     */
    @Async("ffmpegTaskExecutor")
    public CompletableFuture<CommandOutput> createThumbnail(Path inputFile, Path outputFile, Float timeInVideo) {
        logger.info("Creating thumbnail at {} seconds", timeInVideo);
Author	SHA1	Message	Date
Dylan De Faoite	ec9a982fe9	docs(docstrings): add docstrings to public method interfaces (#25 ) All checks were successful CI / Maven unit tests (push) Successful in 18s Details CI / Build and push images (push) Has been skipped Details CI / Deploy to server (push) Has been skipped Details - Resolves #18 Reviewed-on: #25	2026-08-24 16:02:04 +01:00
Dylan De Faoite	38942776df	refactor(frontend): create centralised auth manager (#24 ) All checks were successful CI / Maven unit tests (push) Successful in 14s Details CI / Build and push images (push) Has been skipped Details CI / Deploy to server (push) Has been skipped Details - Resolves #17 Reviewed-on: #24	2026-08-22 21:06:38 +01:00
Dylan De Faoite	bf5fe6a35d	build(ci): update site url All checks were successful CI / Maven unit tests (push) Successful in 14s Details CI / Build and push images (push) Has been skipped Details CI / Deploy to server (push) Has been skipped Details	2026-08-21 14:54:21 +01:00
Dylan De Faoite	9033261165	feat(clipping): add title requirement check All checks were successful CI / Maven unit tests (push) Successful in 14s Details CI / Build and push images (push) Successful in 48s Details CI / Deploy to server (push) Successful in 8s Details	2026-08-19 18:34:11 +01:00
Dylan De Faoite	9e82dc8574	fix(upload): compression job does not begin while unauthenticated (#22 ) All checks were successful CI / Maven unit tests (push) Successful in 13s Details CI / Build and push images (push) Successful in 2m30s Details CI / Deploy to server (push) Successful in 40s Details Resolves #20 Reviewed-on: https://gitea.vodsystem.ddns.net/dylan/vod-system/pulls/22	2026-08-19 18:22:49 +01:00
Dylan De Faoite	1c098028ab	perf(frontend): implement thumbnail caching (#19 ) All checks were successful CI / Maven unit tests (push) Successful in 13s Details CI / Build and push images (push) Successful in 2m24s Details CI / Deploy to server (push) Successful in 13s Details - Simply uses the Spring Side cache headers, which permits the browser to cache the thumbnail - Max cache time of 2 days before re-fetch required - Closes #13 Reviewed-on: https://gitea.vodsystem.ddns.net/dylan/vod-system/pulls/19	2026-08-18 21:47:47 +01:00
Dylan De Faoite	9c6002fe77	fix(no access page): missing mono colour scheme All checks were successful CI / Maven unit tests (push) Successful in 14s Details CI / Build and push images (push) Has been skipped Details CI / Deploy to server (push) Has been skipped Details	2026-08-17 23:13:52 +01:00
Dylan De Faoite	2f33101ec3	build(frontend): update docker image to use production env All checks were successful CI / Maven unit tests (push) Successful in 13s Details CI / Build and push images (push) Successful in 27s Details CI / Deploy to server (push) Successful in 8s Details	2026-08-17 23:06:25 +01:00
Dylan De Faoite	da38e21935	fix(upload): make entire dropzone clickable to open file picker All checks were successful CI / Maven unit tests (push) Successful in 14s Details CI / Build and push images (push) Successful in 42s Details CI / Deploy to server (push) Successful in 8s Details	2026-08-16 17:22:53 +01:00
Dylan De Faoite	3db16cd380	feat(style): update fonts & themes in frontend (#14 ) All checks were successful CI / Maven unit tests (push) Successful in 14s Details CI / Build and push images (push) Successful in 4m17s Details CI / Deploy to server (push) Successful in 1m9s Details Reviewed-on: https://gitea.vodsystem.ddns.net/dylan/vod-system/pulls/14	2026-08-16 16:17:41 +01:00