style(13-03): apply Prettier formatting across repo

Mechanical reformat — no logic changes. 398 files changed, 19125
insertions(+), 16457 deletions(-). Prettier 3.8.4 with .prettierrc
(singleQuote:true, semi:true, tabWidth:2, trailingComma:all,
printWidth:100). Isolated per D-13-08 for reviewability.

.planning/milestones/v1.0-phases/03-event-write-back-pwa-install/03-08-SUMMARY.md

@@ -27,8 +27,8 @@ affects: [phase-04]
 tech-stack:
   added: []
   patterns:
-    - "Live Mode-A topology: local origin + Newt connector + Authelia OIDC through Pangolin"
-    - "Operator-driven verification (playwright-cli unavailable in WSL2); evidence via DB/outbox + browser"
+    - 'Live Mode-A topology: local origin + Newt connector + Authelia OIDC through Pangolin'
+    - 'Operator-driven verification (playwright-cli unavailable in WSL2); evidence via DB/outbox + browser'
 
 key-files:
   created:
@@ -47,7 +47,7 @@ Gate 2 is **complete for Phase 03 scope**. See `03-GATE2-RESULTS.md` for the per
 
 - **A — Auth/session/colors:** A1 (OIDC login → app) ✅, A2 (session — transparent via Authelia SSO) ✅, A3 (distinct member colors) ✅ after fixing a color-collision bug.
 - **B — iOS standalone (load-bearing):** B1–B4 ✅ — install to Home Screen, full-screen standalone launch, and **OIDC login completed from standalone without dropping to Safari**. B5 (Android install) deferred.
-- **C — SSE smoke:** deferred by design — this is the Phase 4 *entry* gate (D-14), verified at the start of Phase 4.
+- **C — SSE smoke:** deferred by design — this is the Phase 4 _entry_ gate (D-14), verified at the start of Phase 4.
 - **D — write round-trips:** D1–D6 ✅ — create (timed), all-day, weekly recurring, edit, delete, 412-conflict, plus recurring-series delete, all round-tripping to caldav.fastmail.com.
 
 ## Blocker bugs found + fixed live (all committed + deployed)