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[Code Quality] Add inline comments to compiler_orchestrator_engine.go (6% comment density) #46575

Description

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Description

compiler_orchestrator_engine.go scored 78/100 in the daily compiler quality audit, with its weakest dimension being readability (14/20) due to only 6% comment density — well below the 10–15% target. Complex engine resolution logic is hard to navigate without inline documentation.

Key under-documented areas:

  • applyEngineImportDefaults() — 83 lines with minimal inline documentation
  • Line 245: a non-wrapping fmt.Errorf that is inconsistent with the rest of the codebase

Suggested Changes

  • Add inline comments to complex sections of compiler_orchestrator_engine.go
  • Document the logic flow in applyEngineImportDefaults() (83 lines)
  • Fix non-wrapping fmt.Errorf at line 245 to use %w for consistency
  • Target 10-15% comment density across the file

Files Affected

  • pkg/workflow/compiler_orchestrator_engine.go (525 lines)
    • applyEngineImportDefaults() (83 lines, starting ~line 200)
    • Line 245: non-wrapping error format call

Success Criteria

  • Comment density in compiler_orchestrator_engine.go reaches ≥10%
  • applyEngineImportDefaults() has at least 1 comment per 10 lines explaining the logic
  • All fmt.Errorf calls use %w wrapping (except where explicitly intentional)
  • make test passes unchanged

Source

Extracted from Daily Compiler Code Quality Report - 2026-07-19 #46513

Priority

Low — Improves maintainability and navigation for a complex engine resolution file

🔍 Task mining by Discussion Task Miner - Code Quality Improvement Agent · 83.8 AIC · ⌖ 5.28 AIC · ⊞ 7K ·

  • expires on Jul 19, 2026, 11:45 PM UTC-08:00

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