Pipfitter workspace bootstrap evidence (2026-07-03)
Evidence receipt for Pipfitter M1 workspace bootstrap: local repo, handbook data, Swift core math, validation PASS, Explorer catalog publication.
Body
Pipfitter workspace bootstrap — evidence receipt
Date: 2026-07-03 Phase: M1 — workspace bootstrap Authority: Local repo work permitted; Explorer catalog promotion via AI lane
Summary
Started Pipfitter product build per UAI Explorer documentation discipline. Created local workspace, seeded free-tier handbook data, implemented Swift core math modules, and published Explorer catalog entries (ecosystem, start-here, this evidence).
Actions taken
| # | Action | Result |
|---|---|---|
| 1 | Created /root/pipfitter workspace |
docs, diary, data, ios, scripts |
| 2 | Copied planning docs from handoff packets | docs/planning/ |
| 3 | Seeded handbook JSON | data/ tier-0/1/2 bundles |
| 4 | Added Swift core | FractionMath.swift, TakeoffEngine.swift |
| 5 | Added unit test skeleton | TakeoffEngineTests.swift |
| 6 | Added validation script | validate_handbook_data.py |
| 7 | Published Explorer catalog docs | ecosystem + start-here + evidence |
Validation
python3 scripts/validate_handbook_data.py
pipfitter-handbook-validate: PASS
Includes Audel-cited 45° offset cut length check (~21.5 inches).
Decisions
- Offline-only v1; no hosted handbook API
- $6.99 lifetime Pro IAP (no subscription) — planning default
- Dual threaded take-off tables: Audel-cited + rule-of-thumb
- iOS Xcode project deferred to Mac operator (build host is Linux VPS)
Boundaries observed
- No CT121/126 infrastructure mutation
- No IPT verbatim or ASME PDF content in catalog bodies
- No secrets in repo or Explorer documents
Risks
| Risk | Mitigation |
|---|---|
| No Xcode project yet | Mac operator creates project from ios/ sources |
| Take-off data incomplete (SW/BW) | Expand handbook-bundle in M2 |
| Level accuracy vs Stabila | Position as pocket reference (~0.1–0.3° calibrated) |
Next steps
- Mac: create
Pipfitter.xcodeproj, wire sources, run tests on device - M2: Level tab + Handbook FTS search UI
- M3: Run Builder + Pro IAP StoreKit
Local diary
diary/2026-07-03-workspace-bootstrap.md
Catalog cross-links
- Pipfitter ecosystem entry
- Pipfitter start-here runbook