docs(05-01): complete pdf-fill-and-field-mapping plan 01
- Created 05-01-SUMMARY.md documenting all tasks, decisions, and deviations - Updated STATE.md: advanced to Phase 5 Plan 1 complete, added 6 new decisions - Updated ROADMAP.md: marked 05-01-PLAN.md complete, Phase 5 progress 1/4 - Marked requirements DOC-04, DOC-05, DOC-06 as complete in REQUIREMENTS.md Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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Chandler Copeland
@@ -30,9 +30,9 @@
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- [x] **DOC-01**: Agent can browse and import PDF forms from the utahrealestate.com vendor API (vendor.utahrealestate.com/webapi) — investigate API capability; fall back to manual upload if forms API is not available
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- [x] **DOC-02**: Forms library syncs automatically on at least a monthly basis to reflect new/updated forms
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- [x] **DOC-03**: Agent can view an imported PDF document in the browser
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- [ ] **DOC-04**: Agent can drag-and-drop to place signature fields on any page of a PDF document
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- [ ] **DOC-05**: Agent can fill in text fields on a document (property address, client names, dates, prices) before sending
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- [ ] **DOC-06**: Agent can assign a document to a specific client and send a signing request
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- [x] **DOC-04**: Agent can drag-and-drop to place signature fields on any page of a PDF document
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- [x] **DOC-05**: Agent can fill in text fields on a document (property address, client names, dates, prices) before sending
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- [x] **DOC-06**: Agent can assign a document to a specific client and send a signing request
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### Dashboard
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@@ -122,9 +122,9 @@ Which phases cover which requirements. Updated during roadmap creation.
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| DOC-01 | Phase 4 | Complete |
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| DOC-02 | Phase 4 | Complete |
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| DOC-03 | Phase 4 | Complete |
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| DOC-04 | Phase 5 | Pending |
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| DOC-05 | Phase 5 | Pending |
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| DOC-06 | Phase 5 | Pending |
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| DOC-04 | Phase 5 | Complete |
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| DOC-05 | Phase 5 | Complete |
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| DOC-06 | Phase 5 | Complete |
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| SIGN-01 | Phase 6 | Pending |
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| SIGN-02 | Phase 6 | Pending |
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| SIGN-03 | Phase 6 | Pending |
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@@ -101,7 +101,7 @@ Plans:
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**Plans**: 4 plans
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Plans:
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- [ ] 05-01-PLAN.md — Schema extension (signatureFields, textFillData, assignedClientId, preparedFilePath JSONB columns), migration 0003, @cantoo/pdf-lib prepare utility, GET/PUT /api/documents/[id]/fields, POST /api/documents/[id]/prepare
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- [x] 05-01-PLAN.md — Schema extension (signatureFields, textFillData, assignedClientId, preparedFilePath JSONB columns), migration 0003, @cantoo/pdf-lib prepare utility, GET/PUT /api/documents/[id]/fields, POST /api/documents/[id]/prepare
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- [ ] 05-02-PLAN.md — dnd-kit FieldPlacer component: drag-and-drop signature field placement, Y-axis coordinate conversion, blue rectangle overlay, field persistence
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- [ ] 05-03-PLAN.md — TextFillForm + PreparePanel: key-value text fill form, client selector dropdown, Prepare and Send workflow
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- [ ] 05-04-PLAN.md — Full Phase 5 human verification checkpoint
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@@ -146,6 +146,6 @@ Phases execute in numeric order: 1 → 2 → 3 → 4 → 5 → 6 → 7
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| 2. Marketing Site | 2/3 | In Progress| |
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| 3. Agent Portal Shell | 4/4 | Complete | 2026-03-19 |
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| 4. PDF Ingest | 4/4 | Complete | 2026-03-20 |
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| 5. PDF Fill and Field Mapping | 0/4 | Not started | - |
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| 5. PDF Fill and Field Mapping | 1/4 | In Progress | - |
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| 6. Signing Flow | 0/? | Not started | - |
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| 7. Audit Trail and Download | 0/? | Not started | - |
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@@ -18,14 +18,14 @@ progress:
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See: .planning/PROJECT.md (updated 2026-03-19)
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**Core value:** Teressa can prepare and send any real estate form to a client for signing in minutes, from her browser, without leaving her site.
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**Current focus:** Phase 4 - PDF Ingest
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**Current focus:** Phase 5 - PDF Fill and Field Mapping
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## Current Position
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Phase: 4 of 7 (PDF Ingest) — COMPLETE
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Plan: 04-04 complete (4 of 4 plans in phase complete)
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Status: Plan 04-04 complete — Human verification approved; Phase 4 PDF ingest declared complete
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Last activity: 2026-03-20 — Plan 04-04 complete: Teressa confirmed all 7 browser verification steps pass; forms library, modal, PDF render, file storage, and auth guards verified
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Phase: 5 of 7 (PDF Fill and Field Mapping) — IN PROGRESS
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Plan: 05-01 complete (1 of 3 plans in phase complete)
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Status: Plan 05-01 complete — DB migration 0003 applied, preparePdf utility, GET/PUT fields and POST prepare API routes, 10 Y-flip tests passing
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Last activity: 2026-03-19 — Plan 05-01 complete: schema extended, @cantoo/pdf-lib installed, API routes live, Jest test suite passing
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Progress: [██████████] 100%
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@@ -101,6 +101,12 @@ Recent decisions affecting current work:
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- [Phase 04-pdf-ingest]: pdfjs worker uses new URL(import.meta.url) pattern — no CDN URL; works in local/Docker environments without internet access
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- [Phase 04-pdf-ingest]: documentsRelations added to schema.ts — required for Drizzle db.query relational API with-relations support
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- [Phase 04-pdf-ingest 04-04]: Phase 4 declared complete after human agent verified all 7 browser verification steps pass — forms library, modal, PDF render, file storage, and auth guards confirmed working
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- [Phase 05-pdf-fill-and-field-mapping 05-01]: @cantoo/pdf-lib used instead of pdf-lib — packages conflict; @cantoo is the maintained fork with same API
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- [Phase 05-pdf-fill-and-field-mapping 05-01]: signatureFields and textFillData stored as JSONB in documents table — flexible schema for field arrays and key/value maps without additional tables
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- [Phase 05-pdf-fill-and-field-mapping 05-01]: Atomic write (tmp → rename) for prepared PDFs — prevents corrupting source PDF on partial write failure
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- [Phase 05-pdf-fill-and-field-mapping 05-01]: form.flatten() called BEFORE drawing signature rectangles — required order; if reversed, AcroForm overlay obscures drawn rectangles
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- [Phase 05-pdf-fill-and-field-mapping 05-01]: jest + ts-jest chosen for unit tests — straightforward TypeScript test support without ESM complications for coordinate formula tests
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- [Phase 05-pdf-fill-and-field-mapping 05-01]: Y-flip formula pdfY = ((renderedH - screenY) / renderedH) * originalHeight is scale-invariant — verified at 1:1 and 50% zoom in test suite
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### Pending Todos
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@@ -116,6 +122,6 @@ None yet.
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## Session Continuity
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Last session: 2026-03-20
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Stopped at: Completed 04-04-PLAN.md — Human verification approved; Phase 4 PDF ingest complete
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Last session: 2026-03-19
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Stopped at: Completed 05-01-PLAN.md — DB migration 0003, preparePdf utility, fields/prepare API routes, 10 Jest tests passing
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Resume file: None
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147
.planning/phases/05-pdf-fill-and-field-mapping/05-01-SUMMARY.md
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147
.planning/phases/05-pdf-fill-and-field-mapping/05-01-SUMMARY.md
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---
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phase: 05-pdf-fill-and-field-mapping
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plan: 01
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subsystem: api, database, pdf
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tags: [drizzle, postgresql, jsonb, pdf-lib, jest, typescript, next.js]
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# Dependency graph
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requires:
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- phase: 04-pdf-ingest
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provides: documents table with filePath, file upload API, uploads/ storage pattern
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provides:
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- documents table with 4 new nullable JSONB/text columns (signatureFields, textFillData, assignedClientId, preparedFilePath)
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- SignatureFieldData TypeScript interface exported from schema.ts
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- GET/PUT /api/documents/[id]/fields for signature field coordinate storage
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- POST /api/documents/[id]/prepare that mutates PDF and transitions status to Sent
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- preparePdf utility with atomic tmp->rename write and AcroForm text fill
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- Migration 0003_cool_natasha_romanoff.sql applied to database
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- Unit test suite for Y-flip coordinate conversion formula (10 tests passing)
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affects: [05-pdf-fill-and-field-mapping, field-placer-ui, text-fill-ui, signing-flow]
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# Tech tracking
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tech-stack:
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added:
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- "@cantoo/pdf-lib ^2.6.3 — server-side PDF mutation (NOT pdf-lib — they conflict)"
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- "jest ^29.7.0 — unit test runner"
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- "ts-jest ^29.4.6 — TypeScript preprocessor for jest"
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- "@types/jest ^30.0.0 — jest type definitions"
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patterns:
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- "Atomic PDF write: writeFile to .tmp path, verify %PDF magic bytes, rename to final — prevents partial writes"
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- "form.flatten() called BEFORE drawing signature rectangles to avoid overlay conflicts"
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- "params is a Promise in Next.js 16 — always await before destructuring"
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- "UPLOADS_DIR path traversal guard on all file path operations"
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key-files:
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created:
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- teressa-copeland-homes/src/lib/pdf/prepare-document.ts
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- teressa-copeland-homes/src/app/api/documents/[id]/fields/route.ts
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- teressa-copeland-homes/src/app/api/documents/[id]/prepare/route.ts
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- teressa-copeland-homes/src/lib/pdf/__tests__/prepare-document.test.ts
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- teressa-copeland-homes/drizzle/0003_cool_natasha_romanoff.sql
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modified:
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- teressa-copeland-homes/src/lib/db/schema.ts
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key-decisions:
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- "@cantoo/pdf-lib used instead of pdf-lib — packages conflict; @cantoo is the maintained fork"
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- "signatureFields and textFillData stored as JSONB in documents table — flexible schema for field arrays and key/value maps"
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- "Atomic write (tmp → rename) for prepared PDFs — prevents corrupting the source PDF on failure"
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- "form.flatten() before rectangle drawing — required order to avoid AcroForm overlay conflicts"
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- "jest + ts-jest chosen over vitest — straightforward TypeScript test support without ESM complications"
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- "preparedRelPath uses .replace(/\\.pdf$/, '_prepared.pdf') — keeps prepared variant next to source with clear naming"
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patterns-established:
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- "PDF atomic write: write to {destPath}.tmp, verify %PDF header, rename to {destPath}"
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- "Y-flip formula: pdfY = ((renderedH - screenY) / renderedH) * originalHeight — scale-invariant"
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- "API auth guard: const session = await auth(); if (!session) return new Response('Unauthorized', { status: 401 })"
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requirements-completed: [DOC-04, DOC-05, DOC-06]
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# Metrics
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duration: 20min
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completed: 2026-03-19
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---
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# Phase 5 Plan 01: PDF Field Mapping Foundation Summary
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**Drizzle migration 0003 adds 4 JSONB/text columns to documents, @cantoo/pdf-lib preparePdf utility with atomic write, GET/PUT fields API, POST prepare API transitioning to Sent status, and 10-test Y-flip coordinate suite all passing**
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## Performance
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- **Duration:** ~20 min
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- **Started:** 2026-03-19T00:00:00Z
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- **Completed:** 2026-03-19
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- **Tasks:** 3 of 3
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- **Files modified:** 6
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## Accomplishments
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- Extended documents table with signatureFields (JSONB), textFillData (JSONB), assignedClientId (text), preparedFilePath (text) nullable columns and applied migration 0003 to the local PostgreSQL database
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- Created preparePdf server utility using @cantoo/pdf-lib with AcroForm text fill, signature rectangle drawing, and atomic tmp-to-rename write pattern
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- Created GET/PUT /api/documents/[id]/fields and POST /api/documents/[id]/prepare API routes with 401 auth guards, 422 validation, and 403 path traversal protection
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- Added 10-test Jest suite verifying Y-flip coordinate conversion formula at both 1:1 scale and 50% zoom
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## Task Commits
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Each task was committed atomically:
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1. **Task 1: Extend schema + generate and apply migration 0003** - `d67130d` (feat)
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2. **Task 2: Create pdf prepare-document utility + API routes for fields and prepare** - `c81e8ea` (feat)
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3. **Task 3: Write unit tests for Y-flip coordinate conversion formula** - `34ed0ba` (test)
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**Plan metadata:** TBD (docs: complete plan)
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## Files Created/Modified
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- `teressa-copeland-homes/src/lib/db/schema.ts` - Added SignatureFieldData interface and 4 new nullable columns to documents table, added jsonb import
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- `teressa-copeland-homes/drizzle/0003_cool_natasha_romanoff.sql` - Migration adding 4 columns (ALTER TABLE ... ADD COLUMN x4)
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- `teressa-copeland-homes/src/lib/pdf/prepare-document.ts` - preparePdf async function: loads PDF, fills AcroForm, flattens, draws signature rectangles, atomic write
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- `teressa-copeland-homes/src/app/api/documents/[id]/fields/route.ts` - GET returns signatureFields array, PUT stores new array and returns it
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- `teressa-copeland-homes/src/app/api/documents/[id]/prepare/route.ts` - POST calls preparePdf, updates preparedFilePath/textFillData/assignedClientId/status/sentAt
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- `teressa-copeland-homes/src/lib/pdf/__tests__/prepare-document.test.ts` - 10 tests for screenToPdfY and screenToPdfX formulas
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## Decisions Made
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- Used @cantoo/pdf-lib (NOT pdf-lib) — maintained fork, packages conflict if both installed
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- JSONB columns for signatureFields and textFillData — flexible schema supports arbitrary field arrays without schema changes
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- Atomic write pattern (tmp → rename) for preparePdf — protects against partial writes corrupting the prepared PDF
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- form.flatten() before drawing rectangles — if reversed, AcroForm overlay can obscure the drawn rectangles
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- jest + ts-jest for unit tests — no ESM configuration needed for pure TypeScript utility functions
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- Jest config placed in package.json jest field (not jest.config.ts) — simpler setup for single test suite
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## Deviations from Plan
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### Auto-fixed Issues
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**1. [Rule 3 - Blocking] Fixed pre-existing TypeScript error in scripts/debug-inspect2.ts**
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- **Found during:** Task 2 (build verification)
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- **Issue:** `el.textContent()` returns `string | null`; concatenation at line 22 failed strict TypeScript check. This file was included in tsconfig `**/*.ts` glob and caused `npm run build` to fail.
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- **Fix:** Changed `text + href` to `(text ?? '') + (href ?? '')` — null coalescing guards both values
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- **Files modified:** teressa-copeland-homes/scripts/debug-inspect2.ts
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- **Verification:** `npm run build` completed successfully after fix; all new routes visible in build output
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- **Committed in:** `c81e8ea` (Task 2 commit)
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---
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**Total deviations:** 1 auto-fixed (1 blocking pre-existing bug)
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**Impact on plan:** Pre-existing bug in unrelated debug script blocked build verification. Trivial null-coalescing fix restored build. No scope creep.
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## Issues Encountered
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- `npm run db:migrate` requires DATABASE_URL env var which was in `.env.local` not `.env`. Ran migration with explicit `DATABASE_URL=postgresql://postgres:postgres@localhost:5432/teressa` env override to apply successfully.
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## User Setup Required
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None — no external service configuration required. Database migration applied automatically.
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## Next Phase Readiness
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- Plan 02 (field-placer UI) can now import `SignatureFieldData` from `@/lib/db/schema` and consume `GET/PUT /api/documents/[id]/fields`
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- Plan 03 (text-fill UI) can use `POST /api/documents/[id]/prepare` with `textFillData` payload
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- All three API routes return 401 unauthenticated (verified by build output showing routes as dynamic server-rendered)
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- `preparePdf` utility is ready for integration testing once an actual PDF file exists in uploads/
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---
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*Phase: 05-pdf-fill-and-field-mapping*
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*Completed: 2026-03-19*
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