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feat(kb): Add 6 guidance patterns for failing rules (Session 108)
- UselessParentheses (pmd/java): Operator precedence guidance - F632 (ruff/python): Boolean comparison guidance - @typescript-eslint/no-explicit-any: Type inference guidance - AvoidDollarSigns (pmd/java): Generated code handling - UnnecessaryAnnotationValueElement (pmd/java): Annotation simplification - UseUtilityClass (pmd/java): Spring bean detection Session 108 complete: - Inserted 6 patterns into fix_pattern_guidance table - Cleaned up 6 entries from fix_failure_tracking (25 total failures resolved) - Total guidance patterns now: 15 Also includes: - Rex task files for sessions 108-111 roadmap - Updated architecture docs with validation results - Updated QUICK_START with complete session tracking Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
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‎docs/architecture/updated-architecture-document-v4.md‎

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# CodeQual Architecture v4: Two-Branch Full Repository Analysis
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*Version: 4.3*
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*Date: December 19, 2025*
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*Status: Production Service Architecture + Fix Verification Pipeline*
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*Version: 4.4*
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*Date: January 19, 2026*
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*Status: Production Service Architecture + Live Integration VALIDATED ✅*
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## Executive Summary
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- **Language-Agnostic**: Easy to add TypeScript, Python, Go (1 method update)
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- **LLM Enhancement**: Use AI for synthesis and recommendations, not raw analysis
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## Recent Updates (2026-01-04)
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## Recent Updates (2026-01-19)
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### Live Integration Validation (Sessions 106-107) ✅ COMPLETE
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**What Changed:**
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Sessions 106-107 completed comprehensive live integration testing of the three-tier fix cascade architecture with real API calls, real tool execution, and real Supabase pattern storage.
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**Validation Results:**
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| Component | Status | Details |
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|-----------|--------|---------|
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| **Tier 1** (Native --fix) | ✅ Validated | ESLint, Ruff, Prettier, gofmt, rustfmt, rubocop |
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| **Tier 2** (Dedicated Fixers) | ✅ Validated | Sorald, isort, black, clang-tidy, clippy --fix |
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| **Tier 3** (AI Generation) | ✅ Validated | OpenRouter API + Supabase pattern storage |
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| **Pattern Cache** | ✅ Validated | KB bypass flow reduces API costs |
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| **Full Pipeline** | ✅ Validated | Three-tier cascade works end-to-end |
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**Language Coverage (9 Languages, 24 Native Fix Tools):**
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| Language | Tier 1 Tools | Tier 2 Tools | Savings |
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|----------|--------------|--------------|---------|
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| Java | - | google-java-format, Sorald | 15% |
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| Python | Ruff, Black, isort | autoflake | 55% |
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| TypeScript/JS | ESLint, Prettier | - | 40% |
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| Go | gofmt, goimports | golangci-lint | 50% |
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| C++ | clang-format | clang-tidy | 60% |
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| C# | dotnet-format | - | 40% |
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| Rust | rustfmt | clippy --fix | 60% |
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| Ruby | rubocop --autocorrect | - | 55% |
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**Supabase Pattern Database:**
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- **606 patterns** with 93.95% average confidence
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- **13 guidance entries** for complex rules
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- **~47% cost savings** vs all-AI approach
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**Files:**
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- `packages/agents/src/fix-agent/__tests__/live-*.test.ts` - Live integration tests
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- `docs/LIVE_INTEGRATION_RESULTS.md` - Session 106 detailed results
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- `docs/COMPLETE_LANGUAGE_COVERAGE.md` - Full coverage report
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---
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## Previous Updates (2026-01-04)
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### Dynamic Rate Limiting & Scaling (Session 75) ✅ COMPLETE
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‎docs/rex-session-108-fix-patterns-push.md‎

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# Session 108: Fix Failing Patterns + Push to Main
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**Goal**: Clean up the 6 failing patterns in `fix_failure_tracking`, validate, and push to main branch.
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**Prerequisites**:
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- Supabase connection active
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- Access to `fix_pattern_guidance` table
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- All Session 106-107 work complete
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---
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## Tasks
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### 1. Create Pattern for UselessParentheses (pmd/java)
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**Goal**: Add guidance pattern for UselessParentheses rule
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**Steps**:
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1. Navigate to fix-pattern-registry directory
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2. Create pattern with anti-patterns and correct patterns
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3. Add to Supabase `fix_pattern_guidance` table
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4. Verify pattern is active
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**Pattern**:
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```typescript
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{
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ruleId: 'UselessParentheses',
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language: 'java',
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tool: 'pmd',
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antiPatterns: [
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'Removing ALL parentheses without checking operator precedence',
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'Changing expression meaning by removing grouping'
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],
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correctPatterns: [
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'Only remove parentheses that do not affect precedence',
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'Keep parentheses around complex boolean expressions',
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'Check Java operator precedence: *, /, % > +, - > ==, != > && > ||'
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],
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promptAdditions: 'Check Java operator precedence before removing. Only remove redundant parens that do not affect evaluation order.'
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}
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```
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---
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### 2. Create Pattern for F632 (ruff/python)
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**Goal**: Add guidance pattern for F632 rule (is literal comparison)
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**Steps**:
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1. Create pattern for F632 rule
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2. Add anti-patterns for common mistakes
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3. Add correct patterns with examples
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4. Insert into Supabase
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**Pattern**:
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```typescript
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{
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ruleId: 'F632',
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language: 'python',
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tool: 'ruff',
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antiPatterns: [
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'Using is True or is False for comparisons',
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'Using == True in boolean context where truthiness works'
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],
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correctPatterns: [
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'Remove comparison entirely if checking truthiness: if x: not if x == True:',
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'Use is None for None checks, == True/False only for explicit bool comparison',
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'For boolean flags, prefer if flag: over if flag == True:'
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],
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promptAdditions: 'In boolean context, prefer if x: over if x == True:. Only keep explicit comparison when the variable might not be a boolean.'
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}
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```
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---
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### 3. Create Pattern for @typescript-eslint/no-explicit-any
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**Goal**: Add guidance pattern for no-explicit-any rule
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**Steps**:
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1. Create pattern for TypeScript any type issues
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2. Add anti-patterns for incorrect fixes
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3. Add correct patterns with type inference guidance
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4. Insert into Supabase
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**Pattern**:
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```typescript
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{
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ruleId: '@typescript-eslint/no-explicit-any',
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language: 'typescript',
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tool: 'eslint',
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antiPatterns: [
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'Replacing any with unknown without updating usage code',
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'Using overly generic types that lose all type safety',
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'Adding type assertions (as Type) everywhere'
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],
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correctPatterns: [
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'Replace any with specific interface or type based on actual usage',
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'Use unknown with type guards when type is truly unknown',
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'Use generics for flexible but type-safe code',
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'For event handlers, use the specific event type (MouseEvent, ChangeEvent, etc.)'
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],
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promptAdditions: 'Analyze the actual usage of the variable to determine the proper type. Prefer specific interfaces over unknown. Check what properties/methods are accessed.'
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}
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```
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---
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### 4. Create Pattern for AvoidDollarSigns (pmd/java)
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**Goal**: Add guidance pattern for AvoidDollarSigns rule
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**Steps**:
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1. Create pattern for dollar sign in identifiers
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2. Document when dollar signs are intentional (generated code, inner classes)
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3. Insert into Supabase
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**Pattern**:
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```typescript
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{
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ruleId: 'AvoidDollarSigns',
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language: 'java',
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tool: 'pmd',
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antiPatterns: [
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'Removing dollar signs from generated code or inner class references',
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'Renaming variables that are part of framework conventions'
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],
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correctPatterns: [
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'Rename user-defined variables to use camelCase without dollar signs',
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'Keep dollar signs in generated code (mark as suppressed if needed)',
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'For inner class references like Outer$Inner, this is compiler-generated - suppress'
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],
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promptAdditions: 'Dollar signs are reserved for compiler-generated code. For user variables, rename to camelCase. If this is generated code or inner class reference, add @SuppressWarnings instead.'
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}
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```
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---
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### 5. Create Pattern for UnnecessaryAnnotationValueElement (pmd/java)
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**Goal**: Add guidance pattern for UnnecessaryAnnotationValueElement rule
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**Steps**:
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1. Create pattern for annotation value simplification
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2. Add examples of correct simplification
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3. Insert into Supabase
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**Pattern**:
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```typescript
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{
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ruleId: 'UnnecessaryAnnotationValueElement',
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language: 'java',
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tool: 'pmd',
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antiPatterns: [
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'Removing value= when multiple elements exist in annotation',
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'Breaking annotation syntax by incorrect removal'
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],
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correctPatterns: [
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'@SuppressWarnings(value = "unchecked") -> @SuppressWarnings("unchecked")',
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'@RequestMapping(value = "/path") -> @RequestMapping("/path")',
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'Only remove value= when it is the ONLY element in the annotation'
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],
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promptAdditions: 'Only simplify when value is the single element. @Anno(value="x") becomes @Anno("x"). But @Anno(value="x", other="y") must keep value= explicit.'
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}
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```
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---
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### 6. Create Pattern for UseUtilityClass (pmd/java)
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**Goal**: Add guidance pattern for UseUtilityClass rule
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**Steps**:
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1. Create pattern for utility class detection
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2. Add guidance on private constructor placement
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3. Insert into Supabase
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**Pattern**:
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```typescript
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{
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ruleId: 'UseUtilityClass',
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language: 'java',
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tool: 'pmd',
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antiPatterns: [
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'Adding private constructor to classes that are meant to be instantiated',
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'Adding private constructor to Spring @Configuration or @Component classes',
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'Breaking dependency injection by making class non-instantiable'
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],
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correctPatterns: [
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'Add private constructor only to true utility classes (all static methods)',
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'For Spring beans, suppress the warning instead',
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'Private constructor should be: private ClassName() { throw new UnsupportedOperationException(); }'
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],
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promptAdditions: 'Check if class is a Spring bean (@Component, @Service, @Configuration) - if so, suppress warning. Only add private constructor to pure utility classes with all static methods.'
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}
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```
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---
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### 7. Remove Fixed Patterns from fix_failure_tracking
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**Goal**: Clean up the failure tracking table
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**Steps**:
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1. Query fix_failure_tracking for the 6 rules
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2. Delete entries that now have guidance patterns
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3. Verify table is clean
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---
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### 8. Run Validation Tests
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**Goal**: Verify patterns work correctly
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**Steps**:
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1. Run live integration tests
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2. Verify no regressions
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3. Check pattern lookup works
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**Commands**:
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```bash
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cd packages/agents
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npm test -- --testPathPattern="live-" --verbose
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```
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---
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### 9. Commit Changes
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**Goal**: Commit pattern additions
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**Steps**:
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1. Stage all changes
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2. Create descriptive commit message
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3. Verify commit
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**Commands**:
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```bash
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git add -A
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git status
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git commit -m "feat(kb): Add 6 guidance patterns for failing rules
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- UselessParentheses (pmd/java): Operator precedence guidance
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- F632 (ruff/python): Boolean comparison guidance
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- no-explicit-any (eslint/typescript): Type inference guidance
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- AvoidDollarSigns (pmd/java): Generated code handling
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- UnnecessaryAnnotationValueElement (pmd/java): Annotation simplification
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- UseUtilityClass (pmd/java): Spring bean detection
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Resolves 6 entries in fix_failure_tracking table."
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```
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---
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### 10. Push to Main
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**Goal**: Push validated changes to main branch
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**Steps**:
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1. Verify on main branch
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2. Push to origin
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3. Verify push succeeded
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**Commands**:
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```bash
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git branch
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git push origin main
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git log --oneline -3
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```
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---
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## Validation
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```bash
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# Run all live tests
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cd packages/agents
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npm test -- --testPathPattern="live-" --verbose
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# Check Supabase pattern count
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node -e "
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const { createClient } = require('@supabase/supabase-js');
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require('dotenv').config({ path: '.env' });
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const supabase = createClient(process.env.SUPABASE_URL, process.env.SUPABASE_SERVICE_ROLE_KEY);
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supabase.from('fix_pattern_guidance').select('rule_id', { count: 'exact' })
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.then(({count}) => console.log('Guidance patterns:', count));
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"
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```
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## Expected Outcomes
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- 6 new entries in `fix_pattern_guidance` table (total: 19)
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- 0 entries remaining in `fix_failure_tracking` for these rules
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- All live tests passing
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- Clean commit pushed to main
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## Notes
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- Patterns should be tested with actual issues before marking complete
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- If a pattern still causes regressions, refine the guidance
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- Document any edge cases discovered during testing

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