DollhouseMCP

# Session Notes - October 10, 2025 (Morning, 10:15 AM) **Date**: October 10, 2025 **Time**: 10:15 AM - 11:05 AM (50 minutes) **Focus**: SonarCloud Code Quality Fixes for PR #1313 **Outcome**: ✅ 8/10 issues resolved, 2 cognitive complexity issues partially addressed ## Session Summary Continued work on PR #1313 (Issue #1269 - Security Telemetry). Addressed SonarCloud code quality issues and security hotspots. Made significant progress on cognitive complexity refactoring but ran out of context before completing. ## Work Completed ### ✅ SonarCloud Fixes (6 code quality + 2 hotspots) 1. **SecurityTelemetry.ts:46** - Made `attackVectorMap` readonly 2. **SecurityTelemetry.ts:142** - Fixed array mutation (use spread before sort) 3. **Memory.ts:557-559** - Extracted nested ternary to if-else chain 4. **Memory.injection.test.ts:8,88** - Imported specific jest functions + used String.raw 5. **SecurityTelemetry.test.ts:8** - Imported specific jest functions 6. **security-validators.test.ts:140,152** - Added NOSONAR comments for /tmp/ paths (reviewed as safe) **Security Audit**: - npm audit: 0 vulnerabilities ✅ - Security hotspots: 2 reviewed and marked safe ✅ ### ✅ Cognitive Complexity Refactoring (Partial) **Memory.ts:241 - `addEntry()` method (was complexity 19)** - Extracted `ensureCapacity()` helper method - Extracted `validateContentSecurity()` helper method - Extracted `logSecurityThreat()` helper method - Extracted `determineTrustLevel()` helper method - **Status**: Refactored and ready for testing **contentValidator.ts:209 - `validateAndSanitize()` (complexity 16)** - **Status**: NOT STARTED - ran out of context - Needs extraction of: - `handleUnicodeValidation()` method - `checkInjectionPattern()` method ### ✅ Git Operations **Commit**: `c56eb264` ``` fix(sonarcloud): Address code quality and security hotspot issues (Issue #1269) ``` **Changes**: 5 files changed, 20 insertions(+), 10 deletions(-) - src/elements/memories/Memory.ts (refactored) - src/security/telemetry/SecurityTelemetry.ts - test files (3 files) **Pushed**: Successfully to `fix/issue-1269-memory-injection-protection` ## Test Results All security tests passing: **32/32 ✅** ```bash npm test -- --testPathPatterns="SecurityTelemetry|Memory.injection" --maxWorkers=2 # PASS test/__tests__/unit/elements/memories/Memory.injection.test.ts # PASS test/__tests__/unit/security/telemetry/SecurityTelemetry.test.ts ``` ## Remaining Work ### 🔴 High Priority - Must Complete Before Merge 1. **Refactor contentValidator.ts:209** (complexity 16 → target 15) - Extract `handleUnicodeValidation()` helper - Extract `checkInjectionPattern()` helper - Test thoroughly after refactoring 2. **Run full test suite** to ensure Memory.ts refactoring didn't break anything ```bash npm test ``` 3. **Address Claude Code reviewer feedback** (if any critical items remain) ### 📋 Optional Improvements - Consider creating follow-up issue for TODO comments in code - Review any additional SonarCloud feedback after next push ## Technical Notes ### Memory.ts Refactoring Pattern Reduced cognitive complexity by extracting logical sections into focused helper methods: - **Capacity management** → `ensureCapacity()` - **Security validation** → `validateContentSecurity()` - **Security logging** → `logSecurityThreat()` - **Trust determination** → `determineTrustLevel()` Main `addEntry()` method now reads as a clear workflow without nested conditionals. ### Import Fix Added `ContentValidationResult` to Memory.ts imports to support the refactored helper methods. ## Key Learnings 1. **Cognitive complexity reduction**: Extract logical sections, not just repeated code 2. **Early returns**: Use guard clauses to reduce nesting 3. **Single responsibility**: Each helper should do one thing well 4. **Context management**: Stop work proactively when approaching token limits ## Next Session Priorities 1. Complete contentValidator.ts refactoring (15-20 min) 2. Run full test suite and fix any issues (10 min) 3. Address any remaining Claude reviewer feedback (10-15 min) 4. Final SonarCloud check and PR review 5. Request PR merge approval ## Context Used - Starting: ~100k tokens - Ending: ~145k tokens - Reason for stopping: Approaching context limit (200k max) --- **Session Result**: ✅ Successfully fixed 8/10 SonarCloud issues, 1 major refactoring complete, ready for final push next session.