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feat: implement FlowExecutor for executing flow definitions with DAG traversal and node execution
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.claude/commands/workflow/tools/code-validation-gate.md
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.claude/commands/workflow/tools/code-validation-gate.md
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---
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name: code-validation-gate
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description: Validate AI-generated code for common errors (imports, variables, types) before test execution
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argument-hint: "--session WFS-test-session-id [--fix] [--strict]"
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examples:
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- /workflow:tools:code-validation-gate --session WFS-test-auth
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- /workflow:tools:code-validation-gate --session WFS-test-auth --fix
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- /workflow:tools:code-validation-gate --session WFS-test-auth --strict
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---
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# Code Validation Gate Command
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## Overview
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Pre-test validation gate that checks AI-generated code for common errors before test execution. This prevents wasted test cycles on code with fundamental issues like import errors, variable conflicts, and type mismatches.
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## Core Philosophy
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- **Fail Fast**: Catch fundamental errors before expensive test execution
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- **AI-Aware**: Specifically targets common AI code generation mistakes
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- **Auto-Remediation**: Attempt safe fixes before failing
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- **Clear Feedback**: Provide actionable fix suggestions for manual intervention
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## Target Error Categories
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### L0.1: Compilation Errors
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- TypeScript compilation failures
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- Syntax errors
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- Module resolution failures
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### L0.2: Import Errors
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- Unresolved module imports (hallucinated packages)
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- Circular dependencies
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- Duplicate imports
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- Unused imports
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### L0.3: Variable Errors
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- Variable redeclaration
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- Scope conflicts (shadowing)
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- Undefined variable usage
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- Unused variables
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### L0.4: Type Errors (TypeScript)
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- Type mismatches
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- Missing type definitions
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- Excessive `any` usage
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- Implicit `any` types
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### L0.5: AI-Specific Patterns
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- Placeholder code (`// TODO: implement`)
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- Hallucinated package imports
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- Mock code in production files
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- Inconsistent naming patterns
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## Execution Process
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```
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Input Parsing:
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├─ Parse flags: --session (required), --fix, --strict
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└─ Load test-quality-config.json
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Phase 1: Context Loading
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├─ Load session metadata
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├─ Identify target files (from IMPL-001 output or context-package)
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└─ Detect project configuration (tsconfig, eslint, etc.)
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Phase 2: Validation Execution
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├─ L0.1: Run TypeScript compilation check
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├─ L0.2: Run import validation
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├─ L0.3: Run variable validation
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├─ L0.4: Run type validation
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└─ L0.5: Run AI-specific checks
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Phase 3: Result Analysis
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├─ Aggregate all findings by severity
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├─ Calculate pass/fail status
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└─ Generate fix suggestions
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Phase 4: Auto-Fix (if --fix enabled)
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├─ Apply safe auto-fixes (imports, formatting)
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├─ Re-run validation
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└─ Report remaining issues
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Phase 5: Gate Decision
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├─ PASS: Proceed to IMPL-001.5
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├─ SOFT_FAIL: Auto-fix applied, needs re-validation
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└─ HARD_FAIL: Block with detailed report
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```
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## Execution Lifecycle
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### Phase 1: Context Loading
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**Load session and identify validation targets.**
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```javascript
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// Load session metadata
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Read(".workflow/active/{session_id}/workflow-session.json")
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// Load context package for target files
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Read(".workflow/active/{session_id}/.process/context-package.json")
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// OR
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Read(".workflow/active/{session_id}/.process/test-context-package.json")
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// Identify files to validate:
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// 1. Source files from context.implementation_files
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// 2. Test files from IMPL-001 output (if exists)
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// 3. All modified files since session start
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```
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**Target File Discovery**:
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- Source files: `context.focus_paths` from context-package
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- Generated tests: `.workflow/active/{session_id}/.task/IMPL-001-output/`
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- All TypeScript/JavaScript in target directories
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### Phase 2: Validation Execution
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**Execute validation checks in order of dependency.**
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#### L0.1: TypeScript Compilation
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```bash
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# Primary check - catches most fundamental errors
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npx tsc --noEmit --skipLibCheck --project tsconfig.json 2>&1
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# Parse output for errors
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# Critical: Any compilation error blocks further validation
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```
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**Error Patterns**:
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```
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error TS2307: Cannot find module 'xxx'
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error TS2451: Cannot redeclare block-scoped variable 'xxx'
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error TS2322: Type 'xxx' is not assignable to type 'yyy'
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```
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#### L0.2: Import Validation
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```bash
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# Check for circular dependencies
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npx madge --circular --extensions ts,tsx,js,jsx {target_dirs}
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# ESLint import rules
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npx eslint --rule 'import/no-duplicates: error' --rule 'import/no-unresolved: error' {files}
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```
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**Hallucinated Package Check**:
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```javascript
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// Extract all imports from files
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// Verify each package exists in package.json or node_modules
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// Flag any unresolvable imports as "hallucinated"
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```
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#### L0.3: Variable Validation
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```bash
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# ESLint variable rules
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npx eslint --rule 'no-shadow: error' --rule 'no-undef: error' --rule 'no-redeclare: error' {files}
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```
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#### L0.4: Type Validation
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```bash
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# TypeScript strict checks
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npx tsc --noEmit --strict {files}
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# Check for any abuse
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npx eslint --rule '@typescript-eslint/no-explicit-any: warn' {files}
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```
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#### L0.5: AI-Specific Checks
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```bash
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# Check for placeholder code
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grep -rn "// TODO: implement\|// Add your code here\|throw new Error.*Not implemented" {files}
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# Check for mock code in production files
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grep -rn "jest\.mock\|sinon\.\|vi\.mock" {source_files_only}
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```
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### Phase 3: Result Analysis
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**Aggregate and categorize findings.**
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```javascript
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const findings = {
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critical: [], // Blocks all progress
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error: [], // Blocks with threshold
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warning: [] // Advisory only
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};
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// Apply thresholds from config
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const config = loadConfig("test-quality-config.json");
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const thresholds = config.code_validation.severity_thresholds;
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// Gate decision
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if (findings.critical.length > thresholds.critical) {
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decision = "HARD_FAIL";
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} else if (findings.error.length > thresholds.error) {
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decision = "SOFT_FAIL"; // Try auto-fix
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} else {
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decision = "PASS";
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}
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```
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### Phase 4: Auto-Fix (Optional)
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**Apply safe automatic fixes when --fix flag provided.**
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```bash
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# Safe fixes only
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npx eslint --fix --rule 'import/no-duplicates: error' --rule 'unused-imports/no-unused-imports: error' {files}
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# Re-run validation after fixes
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# Report what was fixed vs what remains
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```
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**Safe Fix Categories**:
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- Remove unused imports
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- Remove duplicate imports
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- Fix import ordering
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- Remove unused variables (with caution)
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- Formatting fixes
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**Unsafe (Manual Only)**:
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- Missing imports (need to determine correct package)
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- Type errors (need to understand intent)
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- Variable shadowing (need to understand scope intent)
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### Phase 5: Gate Decision
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**Determine next action based on results.**
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| Decision | Condition | Action |
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|----------|-----------|--------|
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| **PASS** | critical=0, error<=3, warning<=10 | Proceed to IMPL-001.5 |
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| **SOFT_FAIL** | critical=0, error>3 OR fixable issues | Auto-fix and retry (max 2) |
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| **HARD_FAIL** | critical>0 OR max retries exceeded | Block with report |
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## Output Artifacts
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### Validation Report
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**File**: `.workflow/active/{session_id}/.process/code-validation-report.md`
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```markdown
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# Code Validation Report
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**Session**: {session_id}
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**Timestamp**: {timestamp}
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**Status**: PASS | SOFT_FAIL | HARD_FAIL
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## Summary
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- Files Validated: {count}
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- Critical Issues: {count}
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- Errors: {count}
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- Warnings: {count}
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## Critical Issues (Must Fix)
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### Import Errors
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- `src/auth/service.ts:5` - Cannot find module 'non-existent-package'
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- **Suggestion**: Check if package exists, may be hallucinated by AI
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### Variable Conflicts
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- `src/utils/helper.ts:12` - Cannot redeclare block-scoped variable 'config'
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- **Suggestion**: Rename one of the variables or merge declarations
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## Errors (Should Fix)
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...
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## Warnings (Consider Fixing)
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...
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## Auto-Fix Applied
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- Removed 3 unused imports in `src/auth/service.ts`
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- Fixed import ordering in `src/utils/index.ts`
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## Remaining Issues Requiring Manual Fix
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...
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## Next Steps
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- [ ] Fix critical issues before proceeding
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- [ ] Review error suggestions
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- [ ] Re-run validation: `/workflow:tools:code-validation-gate --session {session_id}`
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```
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### JSON Report (Machine-Readable)
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**File**: `.workflow/active/{session_id}/.process/code-validation-report.json`
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```json
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{
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"session_id": "WFS-test-xxx",
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"timestamp": "2025-01-30T10:00:00Z",
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"status": "HARD_FAIL",
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"summary": {
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"files_validated": 15,
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"critical": 2,
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"error": 5,
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"warning": 8
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},
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"findings": {
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"critical": [
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{
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"category": "import",
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"file": "src/auth/service.ts",
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"line": 5,
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"message": "Cannot find module 'non-existent-package'",
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"suggestion": "Check if package exists in package.json",
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"auto_fixable": false
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}
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],
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"error": [...],
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"warning": [...]
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},
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"auto_fixes_applied": [...],
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"gate_decision": "HARD_FAIL",
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"retry_count": 0,
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"max_retries": 2
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}
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```
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## Command Options
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| Option | Description | Default |
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|--------|-------------|---------|
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| `--session` | Test session ID (required) | - |
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| `--fix` | Enable auto-fix for safe issues | false |
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| `--strict` | Use strict thresholds (0 errors allowed) | false |
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| `--files` | Specific files to validate (comma-separated) | All target files |
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| `--skip-types` | Skip TypeScript type checks | false |
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## Integration
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### Command Chain
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- **Called By**: `/workflow:test-fix-gen` (after IMPL-001)
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- **Requires**: IMPL-001 output OR context-package.json
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- **Followed By**: IMPL-001.5 (Test Quality Gate) on PASS
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### Task JSON Integration
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When used in test-fix workflow, generates task:
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```json
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{
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"id": "IMPL-001.3-validation",
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"meta": {
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"type": "code-validation",
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"agent": "@test-fix-agent"
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},
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"context": {
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"depends_on": ["IMPL-001"],
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"requirements": "Validate generated code for AI common errors"
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},
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"flow_control": {
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"validation_config": "~/.claude/workflows/test-quality-config.json",
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"max_retries": 2,
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"auto_fix_enabled": true
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},
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"acceptance_criteria": [
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"Zero critical issues",
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"Maximum 3 error issues",
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"All imports resolvable",
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"No variable redeclarations"
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]
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}
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```
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## Error Handling
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| Error | Resolution |
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|-------|------------|
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| tsconfig.json not found | Use default compiler options |
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| ESLint not installed | Skip ESLint checks, use tsc only |
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| madge not installed | Skip circular dependency check |
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| No files to validate | Return PASS (nothing to check) |
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## Best Practices
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1. **Run Early**: Execute validation immediately after code generation
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2. **Use --fix First**: Let auto-fix resolve trivial issues
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3. **Review Suggestions**: AI fix suggestions may need human judgment
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4. **Don't Skip Critical**: Never proceed with critical errors
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5. **Track Patterns**: Common failures indicate prompt improvement opportunities
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## Related Commands
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- `/workflow:test-fix-gen` - Parent workflow that invokes this command
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- `/workflow:tools:test-quality-gate` - Next phase (IMPL-001.5) for test quality
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- `/workflow:test-cycle-execute` - Execute tests after validation passes
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