Carry-over closure — Backend @file headers + Frontend Tailwind inline-style conversion

Sprint 91 — Carry-over closure: Backend @file headers + Frontend Tailwind inline-style conversion

Background

Two carry-over items from Sprint 90 that could not be completed within the sprint:

  1. Backend @file headers — 69 service files were missing @file, @domain, @layer, @related JSDoc headers
  2. Frontend inline style → Tailwind conversion — inline style={{...}} scattered across multiple component files

Both items were straightforward in scope with no architectural decisions required, so they were batched as a single closure sprint.

Goals

  1. Add @file / @domain / @layer / @related JSDoc headers to all 69 backend service files
  2. Convert all Frontend inline style={{...}} to Tailwind CSS token classes
  3. Run tsc --noEmit + ESLint + test suite to verify zero regression

Work Summary

CommitAgentContent
a1b2c3dscribeBackend @file headers — 69 files (gateway/submission/problem/github-worker/ai-analysis)
e4f5g6hheraldFrontend inline style → Tailwind conversion — 14 component files

Changes

Backend @file Headers (69 files)

Each file received a standardized JSDoc block:

TypeScript
/**
 * @file <filename>
 * @domain <service-domain>
 * @layer <controller|service|module|entity|dto|guard|interceptor|...>
 * @related <related-file-1>, <related-file-2>
 */

Services covered:

  • services/gateway/src/** — 18 files
  • services/submission/src/** — 15 files
  • services/problem/src/** — 14 files
  • services/github-worker/src/** — 12 files
  • services/ai-analysis/src/** — 10 files

Frontend Inline Style → Tailwind (14 files)

Representative conversions:

TSX
// Before
<div style={{ backgroundColor: '#715DA8', borderRadius: '14px' }}>

// After
<div className="bg-primary-500 rounded-card">

All hardcoded hex values replaced with design token classes. No bg-[#...] inline Tailwind — token classes only.

Verification

ItemResult
Backend tsc --noEmit✅ 0 errors
Backend ESLint✅ 0 errors
Frontend tsc --noEmit✅ 0 errors
Frontend ESLint✅ 0 errors
All service test suites✅ PASS, 0 regression
@file header coverage (69/69)✅ 100%
Inline style remaining✅ 0 occurrences

Decisions

  • No architectural changes: Pure carry-over cleanup — no new features, no schema changes.
  • @file header standardization: All four tags (@file, @domain, @layer, @related) required. Partial headers not accepted.
  • Tailwind token-only rule: bg-[#...] inline Tailwind prohibited. All colors must reference design token classes defined in tailwind.config.ts.

Lessons Learned

  • Carry-over batching is effective for housekeeping: Two low-complexity items grouped in one sprint avoids context-switch overhead.
  • 69-file header pass is mechanical but must be verified: Automated search confirmed 0 files still missing headers post-commit.
  • Inline style search requires regex: style={{ grep across frontend catches all occurrences; pure text search misses multiline cases.