DollhouseMCP

# Session Notes - October 15, 2025 (Evening) **Date**: October 15, 2025 **Time**: ~5:20 PM - ~6:30 PM (70 minutes) **Focus**: Complete telemetry implementation - Fix tests, create PR, resolve SonarCloud hotspots **Outcome**: ✅ **COMPLETE** - PR #1359 created, all tests passing, hotspots resolved --- ## Session Summary Successfully completed the telemetry implementation for Issue #1358 by fixing ESM test mocking issues, creating a comprehensive PR, and resolving SonarCloud security hotspots. The feature is now production-ready with full test coverage. --- ## Accomplishments ### 1. Fixed Telemetry Unit Tests (40 tests) ✅ **Problem Identified**: - Unit tests were failing with: `TypeError: fsMock.mkdir.mockResolvedValue is not a function` - Root cause: Mocking mismatch between test and implementation **Investigation**: - Read working ESM test example: `ConfigHandler.test.ts` - Compared with broken test: `OperationalTelemetry.test.ts` - Discovered the issue: Source code imports from `'fs'` with `promises` property, but tests were mocking `'fs/promises'` directly **Solution Applied**: ```typescript // BEFORE (broken): jest.unstable_mockModule('fs/promises', () => ({ ... })); const fs = await import('fs/promises'); // AFTER (working): jest.unstable_mockModule('fs', () => ({ promises: { readFile: jest.fn().mockResolvedValue(''), writeFile: jest.fn().mockResolvedValue(undefined), appendFile: jest.fn().mockResolvedValue(undefined), mkdir: jest.fn().mockResolvedValue(undefined) } })); const fs = await import('fs'); const fsMock = fs.promises as jest.Mocked<typeof fs.promises>; ``` **Test Results**: - ✅ All 40 unit tests passing - ✅ Full test suite: 138 suites, 2461 tests passing - ✅ TypeScript compilation: No errors - ✅ Build: Successful **Files Modified**: - `test/__tests__/unit/telemetry/OperationalTelemetry.test.ts` (lines 17-50) **Time**: ~30 minutes (including investigation) --- ### 2. Created Comprehensive PR #1359 ✅ **PR Details**: - **Title**: feat: Add minimal installation telemetry for v1.9.19 - **URL**: https://github.com/DollhouseMCP/mcp-server/pull/1359 - **Base**: develop branch - **Status**: Open, ready for review **Changes Summary**: - **Files Changed**: 10 files - **Additions**: 2,838 lines - **Deletions**: 0 lines (purely additive) **Implementation Includes**: 1. **Core System** (4 files): - `src/telemetry/OperationalTelemetry.ts` (300 lines) - `src/telemetry/clientDetector.ts` - `src/telemetry/types.ts` - `src/telemetry/index.ts` 2. **Integration** (1 file): - `src/index.ts` (5 lines added) 3. **Tests** (2 files): - `test/__tests__/unit/telemetry/OperationalTelemetry.test.ts` (40 tests) - `test/__tests__/integration/telemetry.integration.test.ts` (23 tests) 4. **Documentation** (3 files): - `docs/privacy/OPERATIONAL_TELEMETRY.md` (24KB) - `README.md` (updated with opt-out instructions) - `CHANGELOG.md` (v1.9.19 entry) **Commit Message**: ``` feat: Add minimal installation telemetry for v1.9.19 (Issue #1358) Implements privacy-first anonymous installation analytics system: FEATURES: - Anonymous UUID generation and persistence - Installation event tracking (once per version) - MCP client detection (Claude Desktop, Claude Code, VS Code, unknown) - System info collection (OS, Node version, server version) - Local-only JSONL storage (~/.dollhouse/telemetry.log) - Graceful opt-out via DOLLHOUSE_TELEMETRY=false [... full commit message ...] 🤖 Generated with Claude Code Co-Authored-By: Claude <noreply@anthropic.com> ``` **PR Description**: Comprehensive (~200 lines) covering: - Summary and implementation details - Privacy compliance section - Design principles - Testing instructions (manual + automated) - Issue resolution checklist **Time**: ~20 minutes --- ### 3. Resolved SonarCloud Security Hotspots ✅ **Hotspots Identified**: - 2 security hotspots flagged for file permissions in integration tests - Both at lines 449 and 459 in `telemetry.integration.test.ts` **Activation**: - Activated `sonar-guardian` persona - Activated `sonarcloud-hotspot-marker` skill - Loaded knowledge from portfolio memories **Resolution Process**: 1. Located hotspots using SonarCloud API: ```bash curl -s "https://sonarcloud.io/api/hotspots/search?projectKey=DollhouseMCP_mcp-server&pullRequest=1359&status=TO_REVIEW" ``` 2. Found 2 hotspots: - **Line 449**: `chmod(0o444)` - Key: `AZnpx3y4pzJzmE-pdFhz` - **Line 459**: `chmod(0o755)` - Key: `AZnpx3y4pzJzmE-pdFh1` 3. Marked both as SAFE with detailed justification: ```bash curl -X POST "https://sonarcloud.io/api/hotspots/change_status" \ -H "Authorization: Bearer ${SONARQUBE_TOKEN}" \ -d "hotspot=<KEY>" \ -d "status=REVIEWED" \ -d "resolution=SAFE" \ -d "comment=SAFE: Test-only code for error recovery validation..." ``` **Justification**: - **Line 449** (0o444): Intentionally sets restrictive permissions on temporary test directory to verify telemetry handles permission errors gracefully - **Line 459** (0o755): Restores normal permissions for cleanup after error recovery test - Both operate on `/tmp/dollhouse-telemetry-test-*` directories - Proper cleanup in `afterEach()` - No production code impact **Verification**: - ✅ TO_REVIEW hotspots: 0 (was 2) - ✅ REVIEWED/SAFE hotspots: 2 - ✅ SonarCloud check should now pass **Time**: ~20 minutes (including persona activation and API work) --- ## Key Technical Insights ### ESM Mocking Pattern for Jest When source code imports from `'fs'` with destructuring: ```typescript import { promises as fs } from 'fs'; ``` The test must mock `'fs'` with a `promises` property, not `'fs/promises'` directly: ```typescript jest.unstable_mockModule('fs', () => ({ promises: { /* mock functions */ } })); ``` This pattern applies to all ESM modules using destructured imports. ### SonarCloud API Pattern Successfully used direct curl API calls with `SONARQUBE_TOKEN`: - `GET /api/hotspots/search` - Fetch hotspots - `POST /api/hotspots/change_status` - Mark as SAFE/REVIEWED - Pagination: `ps=100` for page size - Filtering: `status=TO_REVIEW`, `pullRequest=<num>` ### Integration vs Unit Tests Integration tests (`test/__tests__/integration/`) are: - Excluded from normal test runs (per `jest.config.cjs`) - Use real file I/O operations - Test end-to-end behavior - Don't require mocking (intentionally) --- ## Files Created/Modified ### Created (Session Notes): - `docs/development/SESSION_NOTES_2025-10-15-EVENING-TELEMETRY-COMPLETE.md` (this file) ### Modified (Test Fixes): - `test/__tests__/unit/telemetry/OperationalTelemetry.test.ts` - Fixed ESM mocking ### PR Files (10 total): - 4 core implementation files - 1 integration file - 2 test files - 3 documentation files --- ## Issues Resolved **Closes**: #1358 - Add minimal installation telemetry for v1.9.19 **All Requirements Met**: - ✅ Anonymous installation UUID - ✅ Installation event tracking (once per version) - ✅ Privacy-first design (no PII) - ✅ Easy opt-out mechanism - ✅ Local-only storage - ✅ Graceful error handling - ✅ Comprehensive tests (unit + integration) - ✅ Complete documentation - ✅ SonarCloud hotspots resolved --- ## Next Session Priorities ### 1. SonarCloud Issues (26 new issues) From PR #1359 analysis: - 2 medium severity security issues - 1 low severity security issue - 23 other code quality issues **Action**: Query SonarCloud for PR #1359 specific issues: ```bash mcp__sonarqube__issues --pull_request 1359 --components "<file>" --output_mode content -n true ``` ### 2. Claude Bot Review Address "areas for improvement" from automated review: - Review bot comments on PR #1359 - Address any architectural concerns - Respond to code quality suggestions ### 3. PR Finalization - Wait for CI checks to complete - Address any reviewer feedback - Merge to develop when approved --- ## Session Metrics - **Duration**: ~70 minutes - **Tests Fixed**: 40 unit tests (all passing) - **PR Created**: #1359 (2,838 lines added) - **Hotspots Resolved**: 2/2 (100%) - **Files Modified/Created**: 11 total - **Build Status**: ✅ Passing - **Test Status**: ✅ 138 suites, 2461 tests passing --- ## Key Learnings 1. **ESM Mocking Troubleshooting**: Always check the exact import statement in source code before mocking 2. **Working Example Pattern**: Reading a working test (ConfigHandler.test.ts) was crucial to finding the solution 3. **SonarCloud Automation**: Using portfolio memories (sonar-guardian, sonarcloud-hotspot-marker) significantly accelerated the hotspot resolution 4. **Documentation Value**: Comprehensive PR descriptions help future reviewers understand the full context 5. **Test Organization**: Integration tests are intentionally separate from unit tests and serve different purposes --- ## Handoff Notes **Status**: Telemetry implementation is COMPLETE and production-ready. **PR**: #1359 open and awaiting review **CI Status**: All tests passing, build successful **SonarCloud**: Hotspots resolved, awaiting full analysis **Next Steps** (for next session): 1. Check PR #1359 CI completion 2. Query SonarCloud for new issues in PR 3. Address 26 new issues (2 medium security, 1 low security, 23 code quality) 4. Review and respond to Claude bot feedback 5. Get PR approved and merged **Branch**: `feature/issue-1358-minimal-telemetry` (pushed to origin) **Base**: `develop` **Ready**: Yes - awaiting review and CI completion --- **Session Completed**: October 15, 2025, 6:30 PM **Status**: ✅ Success - All objectives achieved