0.9.0 - Added Trilium ETAPI integration.

Lyra can now: Search trilium notes and create new notes. with proper ETAPI auth.

CHANGELOG.md

@@ -9,6 +9,54 @@ Format based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/) and [Se
 
 ---
 
+## [0.9.0] - 2025-12-29
+
+### Added - Trilium Notes Integration
+
+**Trilium ETAPI Knowledge Base Integration**
+- **Trilium Tool Executor** [cortex/autonomy/tools/executors/trilium.py](cortex/autonomy/tools/executors/trilium.py)
+  - `search_notes(query, limit)` - Search through Trilium notes via ETAPI
+  - `create_note(title, content, parent_note_id)` - Create new notes in Trilium knowledge base
+  - Full ETAPI authentication and error handling
+  - Automatic parentNoteId defaulting to "root" for root-level notes
+  - Connection error handling with user-friendly messages
+- **Tool Registry Integration** [cortex/autonomy/tools/registry.py](cortex/autonomy/tools/registry.py)
+  - Added `ENABLE_TRILIUM` feature flag
+  - Tool definitions with schema validation
+  - Provider-agnostic tool calling support
+- **Setup Documentation** [TRILIUM_SETUP.md](TRILIUM_SETUP.md)
+  - Step-by-step ETAPI token generation guide
+  - Environment configuration instructions
+  - Troubleshooting section for common issues
+  - Security best practices for token management
+- **API Reference Documentation** [docs/TRILIUM_API.md](docs/TRILIUM_API.md)
+  - Complete ETAPI endpoint reference
+  - Authentication and request/response examples
+  - Search syntax and advanced query patterns
+
+**Environment Configuration**
+- **New Environment Variables** [.env](.env)
+  - `ENABLE_TRILIUM=true` - Enable/disable Trilium integration
+  - `TRILIUM_URL=http://10.0.0.2:4292` - Trilium instance URL
+  - `TRILIUM_ETAPI_TOKEN` - ETAPI authentication token
+
+**Capabilities Unlocked**
+- Personal knowledge base search during conversations
+- Automatic note creation from conversation insights
+- Cross-reference information between chat and notes
+- Context-aware responses using stored knowledge
+- Future: Find duplicates, suggest organization, summarize notes
+
+### Changed - Spelling Corrections
+
+**Module Naming**
+- Renamed `trillium.py` to `trilium.py` (corrected spelling)
+- Updated all imports and references across codebase
+- Fixed environment variable names (TRILLIUM → TRILIUM)
+- Updated documentation to use correct "Trilium" spelling
+
+---
+
 ## [0.8.0] - 2025-12-26
 
 ### Added - Tool Calling & "Show Your Work" Transparency Feature
@@ -22,7 +70,7 @@ Format based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/) and [Se
 - **Available Tools**
   - `execute_code` - Sandboxed Python/JavaScript/Bash execution via Docker
   - `web_search` - Tavily API integration for real-time web queries
-  - `trillium_search` - Internal Trillium knowledge base queries
+  - `trilium_search` - Internal Trilium knowledge base queries
 - **Provider Adapters** [cortex/autonomy/tools/adapters/](cortex/autonomy/tools/adapters/)
   - `OpenAIAdapter` - Native function calling support
   - `OllamaAdapter` - XML-based tool calling for local models