feat: add docs.re.video redirect service

packages/docs-redirect/README.md

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+# @revideo/docs-redirect
+
+A tiny redirect service that replaces the old documentation site at
+`docs.re.video`. Every old URL is forwarded with a `301` to its new home under
+`https://midrender.com/revideo/docs`.
+
+## How it works
+
+- **`data/old-urls.txt`** — the authoritative list of old paths, a snapshot of
+  `docs.re.video`'s `sitemap.xml` (286 URLs).
+- **`src/build-map.mjs`** — generates `src/redirects.json` by mapping every old
+  path to its new page. It reads the current docs (`packages/docs/src/content`)
+  to compute new URLs and to guarantee no redirect points at a 404:
+  - prose pages are mapped explicitly (the old Docusaurus site used custom
+    `slug`s, and `motion-canvas/*` became `animations/*`);
+  - TypeDoc API pages move from `/api/<pkg>/<module>/<Symbol>` to
+    `/api-reference/<pkg>/<module>/<kind>/<Symbol>`, resolved by locating each
+    symbol in the new tree;
+  - anything without an exact new page (a handful of removed API symbols such as
+    the `meta` module and `Presenter`) falls back to the closest section index.
+- **`src/redirects.json`** — the generated map (committed). Regenerate with
+  `npm run build` whenever the docs are restructured.
+- **`src/server.mjs`** — a zero-dependency HTTP server that looks up the request
+  path and issues the redirect. Unknown paths fall back to the docs home. Runs
+  under Node or Bun.
+
+## Usage
+
+```bash
+npm run build      # regenerate src/redirects.json from the current docs
+npm start          # start the server (PORT env, default 8080)
+```
+
+Health check: `GET /healthz` → `200 ok`.
+
+## Deploying
+
+Point `docs.re.video` at this service (any Node/Bun host or container). The
+server is stateless and keeps the map in memory. Example:
+
+```bash
+PORT=8080 node src/server.mjs
+# or
+PORT=8080 bun src/server.mjs
+```

packages/docs-redirect/data/old-urls.txt

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+/
+/3d-animations-with-threejs
+/api/2d
+/api/2d/code
+/api/2d/code/CodeFragment
+/api/2d/code/CodeFragmentDrawingInfo
+/api/2d/code/CodeHighlighter
+/api/2d/code/CodeScope
+/api/2d/code/CodeSignalContext
+/api/2d/code/CodeSignalHelpers
+/api/2d/code/HighlightResult
+/api/2d/code/LezerHighlighter
+/api/2d/code/RawCodeFragment
+/api/2d/components
+/api/2d/components/Audio
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+/api/2d/components/DrawTokenHook
+/api/2d/components/FunctionComponent
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+/api/2d/components/Icon
+/api/2d/components/IconProps
+/api/2d/components/Img
+/api/2d/components/ImgProps
+/api/2d/components/JSXProps
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+/api/2d/components/Media
+/api/2d/components/MediaProps
+/api/2d/components/Node
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+/api/2d/components/Path
+/api/2d/components/PathProps
+/api/2d/components/Polygon
+/api/2d/components/PolygonProps
+/api/2d/components/QuadBezier
+/api/2d/components/QuadBezierProps
+/api/2d/components/Ray
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+/api/2d/components/Rect
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+/api/2d/components/Rive
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+/api/2d/components/SVG
+/api/2d/components/SVGDocument
+/api/2d/components/SVGDocumentData
+/api/2d/components/SVGProps
+/api/2d/components/SVGShape
+/api/2d/components/SVGShapeData
+/api/2d/components/Shape
+/api/2d/components/ShapeProps
+/api/2d/components/Spline
+/api/2d/components/SplineProps
+/api/2d/components/Txt
+/api/2d/components/TxtProps
+/api/2d/components/Video
+/api/2d/components/VideoProps
+/api/2d/components/View2D
+/api/2d/components/View2DProps
+/api/2d/curves
+/api/2d/curves/CircleSegment
+/api/2d/curves/CubicBezierSegment
+/api/2d/curves/CurveDrawingInfo
+/api/2d/curves/CurvePoint
+/api/2d/curves/CurveProfile
+/api/2d/curves/KnotInfo
+/api/2d/curves/LineSegment
+/api/2d/curves/Polynomial
+/api/2d/curves/Polynomial2D
+/api/2d/curves/QuadBezierSegment
+/api/2d/curves/Segment
+/api/2d/decorators
+/api/2d/decorators/FiltersSignalContext
+/api/2d/decorators/PropertyMetadata
+/api/2d/partials
+/api/2d/partials/Filter
+/api/2d/partials/FilterProps
+/api/2d/partials/Gradient
+/api/2d/partials/GradientProps
+/api/2d/partials/GradientStop
+/api/2d/partials/Pattern
+/api/2d/partials/PatternProps
+/api/2d/scenes
+/api/2d/scenes/Scene2D
+/api/2d/utils
+/api/core
+/api/core/app
+/api/core/app/AssetInfo
+/api/core/app/LogLevel
+/api/core/app/LogPayload
+/api/core/app/Logger
+/api/core/app/PlaybackState
+/api/core/app/PlaybackStatus
+/api/core/app/Player
+/api/core/app/PlayerSettings
+/api/core/app/PlayerState
+/api/core/app/Presenter
+/api/core/app/PresenterInfo
+/api/core/app/PresenterSettings
+/api/core/app/PresenterState
+/api/core/app/Project
+/api/core/app/ProjectMetadata
+/api/core/app/ProjectSettings
+/api/core/app/Renderer
+/api/core/app/RendererResult
+/api/core/app/RendererSettings
+/api/core/app/RendererState
+/api/core/app/SharedWebGLContext
+/api/core/app/Stage
+/api/core/app/StageSettings
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+/api/core/events/SubscribableValueEvent
+/api/core/events/ValueDispatcher
+/api/core/exporter
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+/api/core/exporter/ExporterClass
+/api/core/exporter/FFmpegExporterClient
+/api/core/exporter/WasmExporter
+/api/core/flow
+/api/core/flow/EveryCallback
+/api/core/flow/EveryTimer
+/api/core/flow/LoopCallback
+/api/core/media
+/api/core/media/AudioData
+/api/core/media/AudioManager
+/api/core/meta
+/api/core/meta/BoolMetaField
+/api/core/meta/ColorMetaField
+/api/core/meta/EnumMetaField
+/api/core/meta/ExporterMetaField
+/api/core/meta/MetaField
+/api/core/meta/MetaOption
+/api/core/meta/NumberMetaField
+/api/core/meta/RangeMetaField
+/api/core/meta/StringMetaField
+/api/core/meta/Vector2MetaField
+/api/core/plugin
+/api/core/plugin/Plugin
+/api/core/scenes
+/api/core/scenes/CachedSceneData
+/api/core/scenes/FullSceneDescription
+/api/core/scenes/GeneratorScene
+/api/core/scenes/Inspectable
+/api/core/scenes/LifecycleEvents
+/api/core/scenes/Random
+/api/core/scenes/Scene
+/api/core/scenes/SceneConstructor
+/api/core/scenes/SceneDescription
+/api/core/scenes/SceneDescriptionReload
+/api/core/scenes/SceneRenderEvent
+/api/core/scenes/SceneState
+/api/core/scenes/Slide
+/api/core/scenes/Slides
+/api/core/scenes/ThreadGeneratorFactory
+/api/core/scenes/Threadable
+/api/core/scenes/Variables
+/api/core/signals
+/api/core/signals/CompoundSignalContext
+/api/core/signals/Computed
+/api/core/signals/ComputedContext
+/api/core/signals/DependencyContext
+/api/core/signals/PromiseHandle
+/api/core/signals/Signal
+/api/core/signals/SignalContext
+/api/core/signals/SignalExtensions
+/api/core/signals/SignalGetter
+/api/core/signals/SignalSetter
+/api/core/signals/SignalTween
+/api/core/threading
+/api/core/threading/Promisable
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+/api/core/threading/ThreadsCallback
+/api/core/threading/ThreadsFactory
+/api/core/transitions
+/api/core/tweening
+/api/core/tweening/InterpolationFunction
+/api/core/tweening/Spring
+/api/core/tweening/TimingFunction
+/api/core/types
+/api/core/types/BBox
+/api/core/types/Center
+/api/core/types/Direction
+/api/core/types/Matrix2D
+/api/core/types/Origin
+/api/core/types/Spacing
+/api/core/types/Type
+/api/core/types/Vector2
+/api/core/types/WebGLConvertible
+/api/core/utils
+/api/core/utils/DetailedError
+/api/core/utils/ExperimentalError
+/api/core/utils/Reference
+/api/core/utils/ReferenceReceiver
+/api/player-react/player
+/api/renderer/renderVideo
+/category/api-reference
+/category/building-web-apps
+/category/code-snippets
+/category/common-issues
+/category/designing-videos
+/category/get-help
+/category/motion-canvas-guide
+/category/performance-considerations
+/category/platform
+/category/revideoffmpeg
+/category/revideoplayer-react
+/category/revideorenderer
+/category/upgrading
+/category/usage-guide
+/changing-object-size-over-time-with-signals
+/code-animations
+/common-issues/ffmpeg
+/common-issues/slow-rendering
+/configuration
+/custom-components
+/custom-font
+/decoders
+/designing-animations
+/emojis
+/experimental
+/ffmpeg/concatenateMedia
+/ffmpeg/mergeAudioWithVideo
+/filters-and-effects
+/flow
+/get-help/discord
+/hierarchy
+/hls-video
+/installation-and-setup
+/layouts
+/logging
+/logical-separation
+/moving-manipulating-objects
+/node-parent-reloading
+/parameterized-video
+/platform/introduction
+/platform/render-endpoint
+/positioning
+/preview-with-player
+/project-structure
+/project-variables
+/random-values
+/references
+/render-endpoint
+/renderer/renderPartialVideo
+/rendering-in-production
+/rendering-videos
+/rive-animations
+/saas-template
+/search
+/shaders
+/signals
+/spawners
+/streaming-text
+/time-events
+/transitions
+/transparent-video
+/tweening
+/understanding-scene-flow
+/upgrading/from_0.2.x_to_0.3
+/upgrading/from_0.3.x_to_0.4

packages/docs-redirect/package.json

@@ -0,0 +1,14 @@
+{
+  "name": "@revideo/docs-redirect",
+  "version": "0.0.0",
+  "private": true,
+  "description": "Redirect service that forwards old docs.re.video URLs to the new docs under midrender.com/revideo/docs.",
+  "type": "module",
+  "scripts": {
+    "build": "node src/build-map.mjs",
+    "start": "node src/server.mjs"
+  },
+  "engines": {
+    "node": ">=18"
+  }
+}