Introduce an in-memory LRU cache for TTS audio with configurable
size and TTL via TTS_CACHE_MAX_SIZE_BYTES and TTS_CACHE_TTL_MS.
Return X-Cache headers (HIT/MISS) and set route runtime to nodejs.
Cache key includes provider, model, voice, speed, format, text,
and optional instructions.
Normalize non-Kokoro multi-voice input to the first token while
preserving full voice string in the cache key. Default Deepinfra
model to hexgrad/Kokoro-82M when none is provided.
Fix Deepinfra Kokoro behavior by enforcing single-voice selection:
- ui: only enable multi-select when provider supports >1 voices
- voice utils: Deepinfra max voices set to 1
- tests: gate provider selection and multi-voice tests by CI and
increase timeout for stability
- Introduce voice utils (model detection, voice parsing/weights, limits)
- Enable Kokoro multi-voice strings across OpenAI/Deepinfra/custom providers
- Normalize non-Kokoro voices to single token for SDK calls
- Expose full Kokoro voice list for custom-openai Kokoro models
- Update TTS API to return audio as ArrayBuffer and improve logging
- Add multi-select UI for Kokoro voices with provider-based clamping
- Preserve Kokoro voice strings in TTSContext and coalesce restarts
- Merge multi-sentence quoted dialogue in NLP sentence splitter
- Update tests for single and multi-voice selection flows
- Created `issues-to-components.md` to summarize open issues and their mappings to components for v1 development.
- Documented key features, bugs, and proposed solutions for issues #59, #48, #47, #44, and #40.
- Outlined global guardrails and cross-cutting improvements for the v1 architecture.
chore: Establish v1 todo and planning framework
- Created `todo.md` to capture the 1.0 rewrite plan, including scope, architecture overview, phased milestones, and a master checklist.
- Defined action items, dependency ordering, and issue mapping alignment for efficient development.
chore: Update pnpm workspace configuration
- Added `ignoredBuiltDependencies` for `canvas` in `pnpm-workspace.yaml` to prevent build issues.
