What's built Layer What Status Settings SettingsManager with change events, normalizeSettings, validateSettings Done, 12 tests Git ops executor, status parser, log parser, blame, staging, hooks, commit validation Done, 20 tests Model providers VscodeLmProvider (vscode.lm API - VSCode/Copilot only), DirectApiProvider (Anthropic + OpenAI - required for Cursor) Done Base tool BaseTool abstract class — lifecycle, cancellation, summary, JSON/MD export Done DeadCodeTool Static regex patterns + model-driven synthesis, deduplication Done LintTool ESLint/Pylint wrapping + model-driven smell detection Done CommentsTool Git blame age analysis + model value assessment, proposals only Done CommitTool Full pipeline: status → stage → model message → constraints → hooks → proposal Done TldrTool Git log → model summarization with highlights Done ToolRunner Orchestrates execution, progress, result broadcasting Done Sidebar Tools tree + Results tree with jump-to-source Done Chat @aidev participant with command routing and file reference extraction Done Commands All route to ToolRunner, export with format picker Done Status bar Mode indicator with real-time updates Done Docs docs/SPEC.md + .cursor/rules/aidev-project.mdc Done What's left for future work Integration tests — @vscode/test-electron is configured but no test files yet Framework-aware dead code analysis — Angular decorators, React hooks, Flask routes awareness Linter config suggestions — model recommending ESLint/Pylint rule additions Richer sidebar — collapsible finding details, inline diff preview Direct API key storage — migrate from settings to VSCode SecretStorage