{
  "item_type": "chapter",
  "chapter_id": "error-handling-analysis",
  "chapter_title": "Error Handling Analysis",
  "chapter_file": "book/src/error-handling-analysis.md",
  "drift_detected": true,
  "severity": "low",
  "quality_assessment": "Chapter is comprehensive and well-documented. Python and JavaScript/TypeScript sections are now clearly marked as 'Planned' with appropriate warnings. Source reference line numbers have minor inaccuracies but pattern counts are correct. All internal links are valid.",
  "issues": [
    {
      "type": "minor_inaccuracy",
      "severity": "low",
      "section": "Error Swallowing in Rust",
      "description": "Source reference line numbers slightly inaccurate",
      "current_content": "Source: Error swallowing patterns are defined in `src/debt/error_swallowing.rs:229-238`",
      "should_be": "Source: Error swallowing patterns are defined in `src/debt/error_swallowing.rs:234-243`",
      "fix_suggestion": "Update the line number reference to 234-243 where the ErrorSwallowingPattern enum is actually defined (enum starts at line 235)",
      "source_reference": "src/debt/error_swallowing.rs:235"
    },
    {
      "type": "minor_inaccuracy",
      "severity": "low",
      "section": "Async Rust Error Handling",
      "description": "Source reference line numbers slightly inaccurate",
      "current_content": "Source: Async error patterns are defined in `src/debt/async_errors.rs:205-212`",
      "should_be": "Source: Async error patterns are defined in `src/debt/async_errors.rs:210-217`",
      "fix_suggestion": "Update the line number reference to 210-217 where the AsyncErrorPattern enum is actually defined (enum starts at line 211)",
      "source_reference": "src/debt/async_errors.rs:211"
    }
  ],
  "positive_aspects": [
    "Comprehensive documentation of all 7 error swallowing patterns with clear examples",
    "Excellent code examples showing both anti-patterns and correct usage",
    "Clear severity level documentation with rationale for each pattern",
    "Well-structured implementation status table showing language support at top of chapter",
    "Honest documentation about limitations (AST-based heuristics, no type information)",
    "Configuration options are accurately documented and match actual config structure in ErrorHandlingConfig",
    "Test code exceptions are properly documented and match implementation",
    "Suppression pattern syntax documented correctly with debtmap: ignore comments",
    "Best practices section is thorough and actionable",
    "Troubleshooting section addresses common issues effectively",
    "All 6 internal documentation links are valid (configuration.md, suppression-patterns.md, scoring-strategies.md, coverage-integration.md, cli-reference.md, troubleshooting.md)",
    "Python sections now clearly marked as 'Planned' with warning banners",
    "JavaScript/TypeScript async sections now clearly marked as 'Planned' or 'Limited'",
    "Error Propagation Analysis section now includes note about AST-based heuristics",
    "Async Rust error handling section includes limitations note about pattern matching"
  ],
  "improvement_suggestions": [
    "Consider adding a visual diagram showing how error handling detection integrates with the overall debt detection pipeline",
    "Add examples of custom error patterns using the ErrorPatternConfig structure from the actual config",
    "Consider documenting the severity_overrides configuration option"
  ],
  "validated_pattern_counts": {
    "error_swallowing_patterns": 7,
    "panic_patterns": 6,
    "async_error_patterns": 5,
    "context_loss_patterns": 5,
    "propagation_quality_patterns": 4
  },
  "link_validation": {
    "total_internal_links": 6,
    "broken_links": 0,
    "validated_links": [
      "configuration.md",
      "suppression-patterns.md",
      "scoring-strategies.md",
      "coverage-integration.md",
      "cli-reference.md",
      "troubleshooting.md"
    ]
  },
  "metadata": {
    "analyzed_at": "2025-12-27T08:50:00Z",
    "feature_inventory": ".prodigy/book-analysis/features.json",
    "topics_covered": [
      "Error swallowing detection (7 patterns)",
      "Panic pattern detection (6 patterns)",
      "Async error handling (5 patterns)",
      "Error propagation analysis (4 patterns)",
      "Context loss detection (5 patterns)",
      "Python error handling patterns (clearly marked as Planned)",
      "JavaScript/TypeScript async errors (clearly marked as Limited/Planned)",
      "Best practices",
      "Severity levels",
      "Recommendations",
      "Configuration options",
      "Suppression patterns"
    ],
    "validation_focus": "Check that all error handling patterns are documented with detection criteria",
    "internal_links_validated": true,
    "previous_issues_resolved": [
      "Python sections now have clear 'Planned' warnings",
      "JavaScript/TypeScript sections now have clear 'Limited/Planned' warnings",
      "Error propagation analysis now notes heuristic limitations",
      "Async error detection now notes pattern matching limitations",
      "Configuration section correctly emphasizes defaults with gradual adoption examples"
    ]
  }
}
