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/03-12-PLAN.md

@@ -13,19 +13,19 @@ files_modified:
   - apps/pwa/src/store/calendarStore.ts
 must_haves:
   truths:
-    - "Opening the form in edit mode populates Title/Start/End from the cached occurrence even when the form opens before the occurrence is resolved (no blank edit form)"
+    - 'Opening the form in edit mode populates Title/Start/End from the cached occurrence even when the form opens before the occurrence is resolved (no blank edit form)'
     - "Editing a recurring event preselects its existing recurrence preset instead of resetting to 'none'"
     - "The edit form shows the event's original date/time consistently (no UTC-date / local-time mismatch that shifts the day), proven by a test that pins TZ so it cannot pass by coincidence on an EDT runner"
-    - "Tab and Shift+Tab cycle focus within the open dialog and never reach background controls"
-    - "The PWA install assets (icon-192/512, apple-touch-icon) exist so Add-to-Home-Screen installs with a real icon (PWA-01/PWA-02)"
+    - 'Tab and Shift+Tab cycle focus within the open dialog and never reach background controls'
+    - 'The PWA install assets (icon-192/512, apple-touch-icon) exist so Add-to-Home-Screen installs with a real icon (PWA-01/PWA-02)'
   artifacts:
     - path: apps/pwa/src/components/EventForm.tsx
-      provides: "occurrence-driven reset, recurrence derivation, zone-consistent parseDateTime, real focus trap"
+      provides: 'occurrence-driven reset, recurrence derivation, zone-consistent parseDateTime, real focus trap'
   key_links:
-    - from: "EventForm reset effect"
-      to: "occurrence from TanStack cache"
-      via: "occurrence (or occurrence?.uid) in effect deps"
-      pattern: "occurrence"
+    - from: 'EventForm reset effect'
+      to: 'occurrence from TanStack cache'
+      via: 'occurrence (or occurrence?.uid) in effect deps'
+      pattern: 'occurrence'
 ---
 
 <objective>
@@ -103,6 +103,7 @@ a zone-consistent `parseDateTime`, and a real Tab/Shift+Tab focus-cycle handler.
     default times at the call sites. Do not duplicate the helper — there must be exactly one `todayIso`.
 
     Commit RED then GREEN.
+
   </action>
   <verify>
     <automated>cd apps/pwa && npx vitest run src/components/EventForm.test.tsx</automated>
@@ -144,6 +145,7 @@ a zone-consistent `parseDateTime`, and a real Tab/Shift+Tab focus-cycle handler.
     exist so the Add-to-Home-Screen flow installs with a real icon. No code change required if assets present.
 
     Commit RED then GREEN.
+
   </action>
   <verify>
     <automated>cd apps/pwa && npx vitest run src/components/EventForm.test.tsx</automated>