merge: resolve conflicts with develop (M10-Telemetry + M12-MatrixBridge)

Merge origin/develop into feature/m13-speech-services to incorporate
M10-Telemetry and M12-MatrixBridge changes. Resolved 4 conflicts:
- .env.example: Added speech config alongside telemetry + matrix config
- Makefile: Added speech targets alongside matrix targets
- app.module.ts: Import both MosaicTelemetryModule and SpeechModule
- docs/tasks.md: Combined all milestone task tracking sections

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

README.md

@@ -782,6 +782,7 @@ Complete documentation is organized in a Bookstack-compatible structure in the `
 - **[Overview](docs/3-architecture/1-overview/)** — System design and components
 - **[Authentication](docs/3-architecture/2-authentication/)** — BetterAuth and OIDC integration
 - **[Design Principles](docs/3-architecture/3-design-principles/1-pda-friendly.md)** — PDA-friendly patterns (non-negotiable)
+- **[Telemetry](docs/telemetry.md)** — AI task completion tracking, predictions, and SDK reference
 
 ### 🔌 API Reference