- Remove unused `read_mcp_json` from gemini_mcp.rs - Remove unused `normalize_server_keys` from mcp/claude.rs - Remove unused `validate_mcp_entry` from mcp/validation.rs - Remove unused `write_codex_live`, `write_claude_live`, `app_not_found` from services/provider/mod.rs - Clean up unused imports
Split mcp.rs (1135 lines) into focused modules: - validation.rs: server config validation - claude.rs: Claude MCP sync/import - codex.rs: Codex MCP sync (TOML handling) - gemini.rs: Gemini MCP sync/import Extract tray menu logic from lib.rs to tray.rs for better separation of concerns.