docs: record 1.7.39/1.7.40 audit and native boot fix

AGENTS.md

@@ -2227,8 +2227,8 @@ session with **no other memory of this project**. So:
   retries, then one full reload per session, so a chunk-load failure self-heals
   instead of showing the error boundary.
 - **Baselines** (verified 2026-10-29): `npm test` → **0 errors, 0 warnings**,
-  **150 tests**, build ok. The gate also type-checks the CVM server
-  (`tsc -p cvm-server/tsconfig.json`). `package.json` version **1.7.38**.
+  **156 tests**, build ok. The gate also type-checks the CVM server
+  (`tsc -p cvm-server/tsconfig.json`). `package.json` version **1.7.40**.
   - ✅ Lint is **clean**: `no-explicit-any` = 0 · `react-hooks/exhaustive-deps` = 0
     · `no-unused-vars` = 0 · `react-refresh` = 0. Non-component exports were
     **split into their own modules** (`contexts/language.ts`, `lib/sortOptions.ts`,
@@ -2688,6 +2688,16 @@ Rules:
       hidden on `/become`, create/edit and `/supporters` forms; protobufjs
       override 7.6.5 (only remaining production advisory is write-only xlsx).
       APK sha256 `c5975f8b…`, versionCode 10738. Web forced live at `41f420a`.
+    - **1.7.39 (2026-10-30):** replaced write-only SheetJS `xlsx` with a small
+      local OOXML writer (`lib/xlsx.ts` + fflate); `npm audit --omit=dev` is now
+      **0 vulnerabilities**. Personal profiles have a **Lab services** strip
+      linking their Lab profiles. Added parser/XLSX tests (156 tests). APK
+      sha256 `1202aded…`, versionCode 10739. Web forced live at `6aba9b3`.
+    - **1.7.40 (2026-10-30):** native boot fix for the white/black reload loop —
+      `boot-guard.js` and `registerAppServiceWorker` clear stale
+      `skate-spots-shell-*` service workers/caches on the Capacitor
+      `https://localhost` origin before the bundle runs. APK sha256 `162488b5…`,
+      versionCode 10740. Web forced live at `44be542`.
 
 ### Relay archive (dataset backup)
 - **Transfer content between keys (`scripts/transfer-content.mjs`, 2026-10-04):**
@@ -2748,6 +2758,11 @@ Rules:
   and enables them. Logs: `journalctl --user -u skatespots-archive`.
 - Commits touching only `scripts/`, `*.md`, `cvm-server/`, `skills/`, `.agents/`
   are **skipped by the deploy timer** → no Netlify credits spent.
+- **XLSX writer without SheetJS (2026-10-30):** the only SheetJS use was the
+  deck-cost **export** (write-only). It is now `src/lib/xlsx.ts` using `fflate`
+  to emit a minimal OOXML workbook (inline strings, multi-sheet, safe names).
+  `xlsx` was removed; production `npm audit --omit=dev` is **0**. Keep the
+  writer write-only; never parse untrusted XLSX with it.
 - **Dependency updates + vulnerability scan (2026-10-12):** `scripts/update-deps.sh`
   runs `npm outdated` + `npm audit` (dated report in `~/.local/state/skatespots-deps/`),
   applies **non-breaking** updates only (`npm update` + `npm audit fix`, never