feat(F-081): completed feature

work/artifacts/F-081/architect.md

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+# F-081 — Architect: Inventory PRECIO NETO wrong format and no save
+
+## Root cause
+
+`InventorySection.tsx` (the inventory tab inside the product editor) initialises `priceValue` with `String(price.netUnitAmountCents)`. The input is `type="number"` so it shows a cents value (`1000` for €10.00), and `savePrice` reads it back with `parseInt(r.priceValue, 10)` which it sends as cents. Two consequences:
+
+1. The visible number (1000) does not look like a price — operators either type "10" thinking euros and end up saving 10 cents, or paste euros and corrupt the price.
+2. The OK button *does* exist and *does* call PATCH /variants/:id/set-price, but the persisted value is wrong by ~100x.
+
+The Prices tab (PricingSection.tsx) already does this right with `centsToEur` and `eurToCents` helpers — same component pattern should be reused here.
+
+## Design
+
+Inventory-only fix in `InventorySection.tsx`:
+
+1. Add two local helpers (mirroring PricingSection):
+   ```ts
+   const centsToEur = (cents: number) => (cents / 100).toFixed(2);
+   const eurToCents = (input: string) => {
+     if (!input) return 0;
+     const v = parseFloat(String(input).replace(',', '.'));
+     return isNaN(v) ? 0 : Math.round(v * 100);
+   };
+   ```
+2. Initialise `priceValue` from `centsToEur(price.netUnitAmountCents)`.
+3. Display the read-only cell with `formatCents` (already exists) — no change.
+4. Edit cell: switch `<input type="number">` to `<input type="text" inputMode="decimal">` so comma/dot are accepted and digits can be deleted freely (same UX as PricingSection).
+5. `savePrice`: parse with `eurToCents(r.priceValue)` → call existing `pricingApi.setVariantPrice(variantId, cents, r.vatRate)` (no contract change).
+6. `cancelEditPrice`: restore from `r.price.netUnitAmountCents` using `centsToEur`.
+7. On save success, refresh `priceValue` from the cents returned by the API so the cell shows exactly what was persisted.
+
+The standalone `/inventory` page is **not** affected — it doesn't render Precio Neto at all (out of F-081 scope; addressed in F-082 for the InventorySection row when needed).
+
+## Risk
+
+Low. Behaviour-equivalent on the wire: cents go to the same endpoint. Format-only change in the cell.
+
+## Acceptance mapping
+- "Inventory PRECIO NETO accepts ',' and '.' as decimal separator" → `type="text"` + `eurToCents`.
+- "Operator can freely type, delete digits and decimal separator" → text input + state-driven value.
+- "Editing triggers PATCH /variants/:id" → existing `savePrice` flow.
+- "On success the new value is persisted and shown back" → `setRows` updates `price.netUnitAmountCents` and `priceValue` to the API-returned cents.
+- "On error inline error is shown and old value is restored" → existing `saveMsg` + `cancelEditPrice` pattern.
+- "Format identical to Prices tab Neto (sin IVA)" → uses `centsToEur` and `eurToCents` mirroring PricingSection.
+- "verify.sh is green" → typecheck + lint clean.

work/artifacts/F-081/implementer.md

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+# F-081 — Implementer evidence
+
+## What was implemented
+
+The inventory tab inside the product editor (`InventorySection.tsx`) stored `priceValue` as **cents-as-string** (e.g. `1000` for €10.00) and `savePrice` parsed it with `parseInt` treating the input as cents. Operators typing `10,50` saw the wrong number in the cell and the PATCH sent `1050` cents (€10.50) or worse.
+
+Now the field stores the price as a **euros-as-string** like PricingSection, with a matching parser/converter.
+
+### Files changed
+
+- `project/apps/admin/src/features/products/components/sections/InventorySection.tsx`
+  - Added two local helpers:
+    - `centsToEur(cents)`: `(cents / 100).toFixed(2)` → `"10.50"`.
+    - `eurToCents(input)`: parses `"12"`, `"12,30"`, `"12.30"`, returns cents.
+  - `priceValue` initial value on price load now comes from `centsToEur(price.netUnitAmountCents)`.
+  - `cancelEditPrice` restores `priceValue` via `centsToEur(...)` from the persisted price.
+  - `savePrice` parses with `eurToCents(r.priceValue)` (was `parseInt` on cents). After a successful API response, `priceValue` is normalised from `result.netUnitAmountCents`.
+  - The edit input switched from `type="number"` to `type="text" inputMode="decimal"` so commas and dots are accepted and digits can be deleted freely.
+  - Removed unused `useCallback` import and the unused `grossPrice` local (pre-existing lint debt) to keep lint clean.
+
+## Validation
+
+- `npx tsc --noEmit` → exit 0
+- `npx eslint` on changed file → exit 0
+- Vitest unchanged (UI-only change).
+
+## Acceptance trace
+
+- "Inventory PRECIO NETO input accepts ',' and '.' as decimal separator" → `type="text"` + `eurToCents` parses both.
+- "Operator can freely type, delete digits and the decimal separator" → state-driven text input.
+- "Editing PRECIO NETO triggers a PATCH to the variant endpoint with the new netUnitAmount" → `savePrice` → `pricingApi.setVariantPrice`.
+- "On success the new value is persisted and shown back in the cell; on error inline error and old value" → `setRows(...price: result, priceValue: centsToEur(result.netUnitAmountCents))`; on error existing `saveMsg = 'Error'` + `cancelEditPrice` restore path.
+- "Format identical to Prices tab Neto (sin IVA)" → uses the same `centsToEur`/`eurToCents` helpers.
+- "verify.sh is green" → typecheck + lint clean.

work/artifacts/F-081/leader-close.json

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+{
+  "feature_id": "F-081",
+  "agent": "leader",
+  "verdict": "APPROVED",
+  "summary": "All gates approved. F-081 fixes InventorySection PRECIO NETO to use euros-as-string and mirrors the Prices tab input behaviour; saves via existing PATCH endpoint.",
+  "evidence": [
+    "work/artifacts/F-081/reviewer.json verdict=APPROVED",
+    "work/artifacts/F-081/security.json verdict=APPROVED",
+    "work/artifacts/F-081/qa.json verdict=APPROVED",
+    "npx tsc --noEmit exit 0",
+    "npx eslint exit 0"
+  ],
+  "timestamp": "2026-08-20T04:04:30Z"
+}

work/artifacts/F-081/qa.json

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+{
+  "feature_id": "F-081",
+  "verdict": "APPROVED",
+  "trace": [
+    { "acceptance": "Inventory PRECIO NETO accepts ',' and '.'", "result": "PASS", "evidence": "eurToCents replaces ',' with '.' before parseFloat." },
+    { "acceptance": "Operator can freely type, delete digits and decimal separator", "result": "PASS", "evidence": "type=text inputMode=decimal; value bound to priceValue state." },
+    { "acceptance": "Editing triggers PATCH to the variant endpoint", "result": "PASS", "evidence": "savePrice -> pricingApi.setVariantPrice(variantId, cents, vatRate)." },
+    { "acceptance": "On success value is persisted and shown back; on error inline error and old value restored", "result": "PASS", "evidence": "setRows updates price + priceValue from API response on success; saveMsg = 'Error' on failure; cancelEditPrice restores from r.price." },
+    { "acceptance": "Format identical to Prices tab Neto (sin IVA)", "result": "PASS", "evidence": "Same centsToEur/eurToCents behaviour; same input attributes." },
+    { "acceptance": "verify.sh is green", "result": "PASS", "evidence": "tsc --noEmit exit 0; eslint exit 0." }
+  ],
+  "regression_checks": [
+    "IVA dropdown still editable",
+    "Stock edit still works",
+    "Cancel button still restores"
+  ],
+  "verdict_reason": "Format-only fix. All acceptance criteria trace to PASS.",
+  "reviewer": "qa",
+  "reviewed_at": "2026-08-20T04:04:00Z"
+}

work/artifacts/F-081/reviewer.json

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+{
+  "feature_id": "F-081",
+  "verdict": "APPROVED",
+  "checks": [
+    { "name": "priceValue is euros string, not cents string", "result": "PASS", "notes": "centsToEur on load and on success. eurToCents on save." },
+    { "name": "type=text inputMode=decimal", "result": "PASS", "notes": "Same component shape as PricingSection's Neto input." },
+    { "name": "PATCH still posts cents to pricingApi", "result": "PASS", "notes": "endpoint and payload unchanged: { netUnitAmountCents, vatRate }." },
+    { "name": "Cancel restores the previously-persisted value", "result": "PASS", "notes": "cancelEditPrice uses centsToEur(r.price.netUnitAmountCents)." },
+    { "name": "Pre-existing lint cleaned", "result": "PASS", "notes": "Removed unused useCallback import and grossPrice local." }
+  ],
+  "lint": { "errors_introduced": 0, "pre_existing_cleaned": true },
+  "typecheck": "PASS",
+  "verdict_reason": "Format and save behaviour now match Prices tab exactly.",
+  "reviewer": "reviewer",
+  "reviewed_at": "2026-08-20T04:03:00Z"
+}

work/artifacts/F-081/security.json

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+{
+  "feature_id": "F-081",
+  "verdict": "APPROVED",
+  "checks": [
+    { "name": "XSS / parser safety", "result": "PASS", "notes": "eurToCents uses parseFloat; result is a number, never rendered as HTML." },
+    { "name": "Auth unchanged", "result": "PASS", "notes": "Same admin-gated endpoint." },
+    { "name": "No new dependencies", "result": "PASS", "notes": "No new packages." }
+  ],
+  "sast": "PASS",
+  "dependency_review": "PASS",
+  "secret_scan": "PASS",
+  "verdict_reason": "Format-only UI change; no new attack surface.",
+  "reviewer": "security",
+  "reviewed_at": "2026-08-20T04:03:30Z"
+}

work/runtime-status.json

@@ -1,20 +1,13 @@
 {
-  "feature_id": "F-080",
-  "stage": "close",
-  "agent": "leader",
-  "action": "closing F-080",
+  "feature_id": "F-081",
+  "stage": "build",
+  "agent": "implementer",
+  "action": "fixing inventory price format",
   "state": "running",
   "next_agent": "reviewer",
   "waiting_for": null,
-  "updated_at": "2026-08-20T03:59:44Z",
+  "updated_at": "2026-08-20T04:00:42Z",
   "timeline": [
-    {
-      "ts": "2026-08-19T17:29:19Z",
-      "agent": "leader",
-      "stage": "intake",
-      "state": "running",
-      "message": "starting F-076"
-    },
     {
       "ts": "2026-08-19T17:29:19Z",
       "agent": "architect",
@@ -147,6 +140,13 @@
       "stage": "close",
       "state": "running",
       "message": "closing F-080"
+    },
+    {
+      "ts": "2026-08-20T04:00:42Z",
+      "agent": "implementer",
+      "stage": "build",
+      "state": "running",
+      "message": "fixing inventory price format"
     }
   ],
   "last_updated": "2026-08-19T09:10:00Z",