- Comprehensive research of TAK-compatible open-source implementations
- Comparison of FreeTAKServer, OpenTAKServer, and TAK Product Center Server
- Selected OpenTAKServer for feature richness and Docker deployment support
- Documented research findings and implementation plan
- Started OpenCode service and verified it's running
- Tested Context7 web search functionality
- Tested DuckDuckGo web search functionality
- Documented web search integration in open_code_server.nix
- Updated ROADMAP and STATE with completion status
- Phase 4 complete, ready for Phase 5: TAK Server Integration