# TP-146: Unit regression pack for work, calories, and hydration — Status

**Current Step:** Step 100: Documentation & Delivery
**Status:** ✅ Complete
**Last Updated:** 2026-06-03
**Review Level:** 0
**Review Counter:** 0
**Iteration:** 1
**Size:** S

> **Hydration:** Checkboxes represent meaningful outcomes, not individual code changes. Workers expand steps when runtime discoveries warrant it.

---

### Step 0: Preflight
**Status:** ✅ Complete

- [x] Required files and paths exist
- [x] Dependencies satisfied
- [x] Clean-room constraint confirmed

---

### Step 1: Audit current unit coverage
**Status:** ✅ Complete

- [x] Locate existing tests for extended metrics Joules/kJ, wellness kcal/hydration, activity calories semantics, and unit metadata
- [x] Identify missing regression assertions without duplicating existing coverage

---

### Step 2: Add unit regression tests
**Status:** ✅ Complete

- [x] Add or tighten tests for raw Joules emitted only as explicit kJ-derived fields where applicable
- [x] Add or tighten tests for wellness `kcalConsumed` and `hydrationVolume` unit semantics
- [x] Assert zero values are preserved and ambiguous raw field names are not emitted in terse responses
- [x] Run targeted tests: `go test ./internal/tools ./internal/response ./internal/analysis -run 'Joule|Calories|Hydration|Unit'`

---

### Step 99: Testing & Verification
**Status:** ✅ Complete

- [x] Targeted tests passing
- [x] FULL test suite passing
- [x] Build passes if code changed
- [x] All failures fixed

---

### Step 100: Documentation & Delivery
**Status:** ✅ Complete

- [x] Must-update docs modified
- [x] Check-if-affected docs reviewed
- [x] Discoveries logged

---

## Reviews

| # | Type | Step | Verdict | File |
|---|------|------|---------|------|

---

## Discoveries

<!-- Workers log durable discoveries here. -->

| 2026-06-03 16:38 | Task started | Runtime V2 lane-runner execution |
| 2026-06-03 16:38 | Step 0 started | Preflight |
| 2026-06-03 | Coverage audit | Existing tests cover activity `calories_burned` semantics and zero preservation in `get_activities`, activity-detail nutrition disambiguation/include_full raw preservation, wellness nutrition disambiguation and hydration non-null/null handling, response KCAL/KJ pass-through, and extended-metrics Joules-to-kJ conversion/unit metadata. Missing regression assertions: extended-metrics raw Joule/W' upstream field names are absent from terse outputs; zero-valued Joule-derived kJ fields are preserved; wellness zero-valued `kcalConsumed`/`hydration`/`hydrationVolume` are preserved while ambiguous raw kcal names remain absent. |
| 2026-06-03 | Documentation review | Must Update list is empty for TP-146; no required docs were modified because this is a regression-test-only change. |
| 2026-06-03 | Affected docs review | CHANGELOG.md, README.md, PRD, and ROADMAP are unaffected: added tests only, with no behavior, capability, product-scope, or phasing changes. |
| 2026-06-03 16:43 | Worker iter 1 | done in 325s, tools: 68 |
| 2026-06-03 16:43 | Task complete | .DONE created |