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/HANDOFF.json

@@ -9,24 +9,68 @@
   "total_tasks": null,
   "status": "paused",
   "completed_tasks": [
-    {"id": 1, "name": "All 8 plans (05-01..05-08) executed across 5 waves, sequential (worktree degrade)", "status": "done"},
-    {"id": 2, "name": "Code review --fix --all --auto: 14 findings fixed over 3 iterations; 05-REVIEW.md clean", "status": "done"},
-    {"id": 3, "name": "Phase verification: 12/12 must-haves in code; NOTIF-01/02/03 traced; 05-VERIFICATION.md status human_needed", "status": "done"},
-    {"id": 4, "name": "5 device-only UAT items persisted to 05-UAT.md; ROADMAP reverted to pending device UAT", "status": "done"}
+    {
+      "id": 1,
+      "name": "All 8 plans (05-01..05-08) executed across 5 waves, sequential (worktree degrade)",
+      "status": "done"
+    },
+    {
+      "id": 2,
+      "name": "Code review --fix --all --auto: 14 findings fixed over 3 iterations; 05-REVIEW.md clean",
+      "status": "done"
+    },
+    {
+      "id": 3,
+      "name": "Phase verification: 12/12 must-haves in code; NOTIF-01/02/03 traced; 05-VERIFICATION.md status human_needed",
+      "status": "done"
+    },
+    {
+      "id": 4,
+      "name": "5 device-only UAT items persisted to 05-UAT.md; ROADMAP reverted to pending device UAT",
+      "status": "done"
+    }
   ],
   "remaining_tasks": [
-    {"id": 5, "name": "On-device UAT (iOS 16.4+ Home-Screen PWA + Android) via /gsd-verify-work 5 — 5 items in 05-UAT.md", "status": "not_started"},
-    {"id": 6, "name": "After UAT passes, phase auto-transitions to complete (verify-work); milestone can advance to Phase 6", "status": "not_started"}
+    {
+      "id": 5,
+      "name": "On-device UAT (iOS 16.4+ Home-Screen PWA + Android) via /gsd-verify-work 5 — 5 items in 05-UAT.md",
+      "status": "not_started"
+    },
+    {
+      "id": 6,
+      "name": "After UAT passes, phase auto-transitions to complete (verify-work); milestone can advance to Phase 6",
+      "status": "not_started"
+    }
   ],
   "blockers": [],
   "human_actions_pending": [
-    {"action": "Run /gsd-verify-work 5 on a physical iOS device and an Android device", "context": "Phase goal 'reliably on iOS and Android' is device-only; 5 UAT items cannot be automated (CLAUDE.md)", "blocking": true},
-    {"action": "Create + share the 'Family' calendar and set is_shared=1 (Phase 2 D-16)", "context": "Reminders (NOTIF-01/SC-1) only fire on shared Family-calendar events; needed before SC-1 has real events", "blocking": false}
+    {
+      "action": "Run /gsd-verify-work 5 on a physical iOS device and an Android device",
+      "context": "Phase goal 'reliably on iOS and Android' is device-only; 5 UAT items cannot be automated (CLAUDE.md)",
+      "blocking": true
+    },
+    {
+      "action": "Create + share the 'Family' calendar and set is_shared=1 (Phase 2 D-16)",
+      "context": "Reminders (NOTIF-01/SC-1) only fire on shared Family-calendar events; needed before SC-1 has real events",
+      "blocking": false
+    }
   ],
   "decisions": [
-    {"decision": "VAPID keypair generated by assistant; user pasted into root .env (gitignored); wired into docker-compose.yml env + .env.example", "rationale": "Config env-injected for Docker transposability; no key baked into image; .env is permission-blocked from assistant Read/Write", "phase": "05"},
-    {"decision": "Reverted premature ROADMAP [x] complete to [ ] pending device UAT", "rationale": "Verification is human_needed; goal not confirmable without devices; avoid false completion claim", "phase": "05"},
-    {"decision": "Ran code review --fix --all --auto rather than ship-then-fix", "rationale": "4 Criticals (esp. iOS gesture gate) defeated success criteria; fixed before declaring done", "phase": "05"}
+    {
+      "decision": "VAPID keypair generated by assistant; user pasted into root .env (gitignored); wired into docker-compose.yml env + .env.example",
+      "rationale": "Config env-injected for Docker transposability; no key baked into image; .env is permission-blocked from assistant Read/Write",
+      "phase": "05"
+    },
+    {
+      "decision": "Reverted premature ROADMAP [x] complete to [ ] pending device UAT",
+      "rationale": "Verification is human_needed; goal not confirmable without devices; avoid false completion claim",
+      "phase": "05"
+    },
+    {
+      "decision": "Ran code review --fix --all --auto rather than ship-then-fix",
+      "rationale": "4 Criticals (esp. iOS gesture gate) defeated success criteria; fixed before declaring done",
+      "phase": "05"
+    }
   ],
   "uncommitted_files": [],
   "next_action": "Run /gsd-verify-work 5 on iOS + Android devices to close the 5 UAT items in 05-UAT.md. Dev MariaDB (familysync-mariadb-1, host port 3306) is up for any API re-checks.",