128 lines
5.4 KiB
Markdown
128 lines
5.4 KiB
Markdown
---
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phase: 43-documents-branding
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plan: 02
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subsystem: api
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tags: [brand-renderer, archiver, playwright, sharp, svgo, puter-inference, typescript, zip]
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# Dependency graph
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requires:
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- phase: 43-01
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provides: archiver package installed, BrandKitBundle type in types.ts, content-job-runner switch pattern
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provides:
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- brand-renderer.ts — renderBrandKit function with 7-step orchestration
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- brand-kit jobType wired in content-job-runner switch
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- 7 unit tests covering all BrandKitBundle fields
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affects:
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- 43-03 (brand kit UI panel will import BrandKitBundle type and use brand-kit jobType)
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# Tech tracking
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tech-stack:
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added: []
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patterns:
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- 7-step brand kit orchestration: spec extraction → logo SVG → avatar rasterization → social images → email+letterhead templates → guidelines PDF → ZIP
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- Single Playwright browser instance per brand kit job (open once, use for PDF, try/finally close)
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- Social images as SVG templates (colored rect + embedded logo as data URI), NOT LLM-generated — keeps fast and predictable
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- archiver streaming ZIP via Writable sink, resolve on sink finish event (Pattern 3 from RESEARCH.md)
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- stripMarkdownFences duplicated locally (same approach as pdf-renderer.ts — wallpaper-renderer doesn't export it)
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key-files:
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created:
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- server/src/services/renderers/brand-renderer.ts
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- server/src/__tests__/brand-renderer.test.ts
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modified:
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- server/src/services/content-job-runner.ts
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key-decisions:
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- "Social images are SVG templates (colored rect + embedded logo) rather than LLM-generated — keeps generation fast and deterministic"
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- "Playwright browser opened once per brand kit job for guidelines PDF — reuses browser instance to avoid spawning multiple processes"
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- "pnpm install run as deviation fix — archiver was in package.json (added by Plan 01) but node_modules not populated in this worktree"
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# Metrics
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duration: 4min
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completed: 2026-04-04
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---
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# Phase 43 Plan 02: Brand Kit Renderer Summary
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**Full brand identity kit renderer orchestrating logo SVG, 5 avatar sizes, 5 social platform images, email signature HTML, letterhead HTML, guidelines PDF, and ZIP packaging via archiver**
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## Performance
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- **Duration:** ~4 min
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- **Started:** 2026-04-04T22:47:34Z
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- **Completed:** 2026-04-04T22:50:30Z
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- **Tasks:** 2
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- **Files modified:** 3
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## Accomplishments
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- Created brand-renderer.ts with renderBrandKit: 7-step orchestration producing a complete BrandKitBundle
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- extractBrandSpec: LLM JSON extraction with fallback defaults
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- generateLogoSvg: LLM SVG generation cleaned via validateAndCleanSvg (SVGO)
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- rasterizeAvatars: sharp rasterizes logo to 5 PNG sizes (512/256/128/64/32)
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- generateSocialImages: SVG template per platform (colored bg + logo), 5 platforms
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- generateTemplates: 2 parallel LLM calls for email signature + letterhead HTML
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- generateGuidelinesPdf: Playwright HTML→PDF with single shared browser instance
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- buildZip: archiver streaming ZIP with correct folder structure (brand-kit/logo/, brand-kit/social/, brand-kit/templates/, brand-kit/guidelines.pdf)
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- 7 unit tests pass covering all BrandKitBundle fields and ZIP magic bytes verification
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- Wired brand-kit jobType in content-job-runner switch with dynamic import
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## Task Commits
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Each task was committed atomically:
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1. **Task 1: Create brand-renderer with orchestrated sub-renders and ZIP packaging** - `cd753612` (feat)
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2. **Task 2: Wire brand-kit jobType into content-job-runner** - `e059a0da` (feat)
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## Files Created/Modified
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- `server/src/services/renderers/brand-renderer.ts` - renderBrandKit with 7-step orchestration
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- `server/src/__tests__/brand-renderer.test.ts` - 7 unit tests with all required mocks
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- `server/src/services/content-job-runner.ts` - brand-kit case added to renderContent switch
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## Decisions Made
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- Social images use SVG templates (colored rect + base64-embedded logo) rather than LLM-generated artwork — this is fast, deterministic, and always on-brand
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- Playwright browser is opened once for the brand kit job (for the guidelines PDF step) using a try/finally block — avoids spawning multiple browser processes for what is a single-shot job
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- archiver was already in package.json from Plan 01 but not installed in this worktree — ran pnpm install as a deviation fix
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## Deviations from Plan
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### Auto-fixed Issues
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**1. [Rule 3 - Blocking] archiver package not installed in node_modules**
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- **Found during:** Task 2 (tsc --noEmit check)
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- **Issue:** archiver and @types/archiver were added to server/package.json by Plan 01 but pnpm install had not been run in this worktree, causing TS2307 "Cannot find module 'archiver'"
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- **Fix:** Ran `pnpm install` at the monorepo root — resolved 65 packages including archiver and @types/archiver
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- **Files modified:** none (lockfile already had archiver)
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## Known Stubs
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None — all BrandKitBundle fields are populated with real data (LLM-generated or sharp-rasterized).
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## Issues Encountered
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- archiver not installed in worktree node_modules (fixed by pnpm install)
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## User Setup Required
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None - no external service configuration required beyond PUTER_AUTH_TOKEN already documented.
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## Next Phase Readiness
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- Plan 43-03 (document/brand UI panel) can now use brand-kit jobType and BrandKitBundle type
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- All 7 tests pass, TypeScript clean for all modified files
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---
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*Phase: 43-documents-branding*
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*Completed: 2026-04-04*
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## Self-Check: PASSED
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- brand-renderer.ts: FOUND
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- brand-renderer.test.ts: FOUND
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- SUMMARY.md: FOUND
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- Task 1 commit cd753612: FOUND
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- Task 2 commit e059a0da: FOUND
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