Fix for #703.
Adds an optional sampleRate parameter to the decodeAudioToFloat32() function. The caption transcriber passes in a value of 16000 to prepare audio in the format Whisper expects.
Major features and improvements:
* **Clip Effects**:
* Added UI in Properties Panel to manage effects on video/image clips (add, remove, toggle, reorder).
* Implemented dynamic parameter fields for effects.
* Added support for keyframing effect parameters.
* **Assets Panel**:
* Added sorting options: Name, Type, Duration, and File Size.
* Persisted view preferences (grid/list mode, sort order) to local storage.
* Refactored media item rendering and drag interactions.
* **Timeline & Interaction**:
* **Keyframe Dragging**: Added ability to drag keyframes directly on the timeline element.
* **Resizing**: Improved resize logic to respect neighboring clips (prevents overlaps).
* **Visuals**: Implemented tiled background rendering for video/image clips on the timeline.
* **Shortcuts**: Added "Deselect All" action bound to the `Escape` key.
* **Fixes**: Corrected drag-and-drop coordinate calculations when the timeline track area is scrolled.
* **Text Elements**:
* Refactored text background storage to use an explicit `enabled` flag.
* Added `V8toV9` storage migration to update existing projects.
* **Architecture**:
* Moved export state management to `ProjectManager` for better lifecycle handling.
* Refactored `PropertiesPanel` sections to be more composable (custom headers, borders).
This implements the foundational architecture for video effects, starting with a multi-pass WebGL rendering pipeline and a customizable Gaussian Blur effect.
Key changes:
- WebGL Engine: Added `raw-loader` for `.glsl` shaders, multi-pass framebuffer rendering, and live offscreen canvas previews.
- Node Architecture: Replaced hardcoded background blur with `CompositeEffectNode` and added `EffectLayerNode` to apply effects to specific visual elements.
- Timeline & DND: Added a new `effect` track type. Upgraded drag-and-drop to support dropping effects directly onto the timeline. Consolidated track constants into a cleaner `TRACK_CONFIG`.
- UI/UX: Added an Effects tab in the assets panel with live previews. Added an Effect Properties panel with sliders and inputs for fine-tuning parameters.
- Data Model: Added `sourceDuration` to video and audio elements, and wrote a v8 storage migration to update existing projects to the new schema.
- Docs: Added `CHANGELOG.md` tracking v0.1.0 and v0.2.0, plus `docs/effects-renderer.md` to document the new WebGL pipeline.
Add keyframe support for transform, opacity, and volume properties.
Includes animation engine (interpolation, mutations, resolvers), timeline
markers with selection/snapping, properties panel toggles, keyframe-aware
renderer, and full undo/redo command support.
Also refactor element command constructors to object params, extract
timeline pixel math to pixel-utils.ts, and update cursor rules.
Maze Winther