- Create PredictionService for pre-task cost/token estimates
- Refresh common predictions on startup
- Integrate predictions into LLM telemetry tracker
- Add GET /api/telemetry/estimate endpoint
- Graceful degradation when no prediction data available
- Add unit tests for prediction service
Refs #373
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
- Create LlmTelemetryTrackerService for non-blocking event emission
- Normalize token usage across Anthropic, OpenAI, Ollama providers
- Add cost table with per-token pricing in microdollars
- Instrument chat, chatStream, and embed methods
- Infer task type from calling context
- Aggregate streaming tokens after stream ends with fallback estimation
- Add 69 unit tests for tracker service, cost table, and LLM service
Refs #371
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
