docs(03-02): complete mobile dashboard page assembly plan summary

- 118-line replacement of app/mobile/dashboard/page.tsx - DASH-01..04 all satisfied; zero recharts; type-check clean
2026-05-03 16:54:11 -04:00 · 2026-05-03 16:54:11 -04:00 · 45c8a5d4f5
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+---
+phase: 03-dashboard-restyle
+plan: 02
+subsystem: ui
+tags: [mobile, dashboard, nextjs, tailwind, shadcn, lucide]
+
+# Dependency graph
+requires:
+  - 03-01: "KpiCardMobile, NeedsAttentionStrip, WorkerStatusRow components + /api/mobile/dashboard endpoint"
+provides:
+  - "app/mobile/dashboard/page.tsx rewritten with 2×2 KPI grid, Needs Attention strip, Worker/backup status row"
+affects: []
+
+# Tech tracking
+tech-stack:
+  added: []
+  patterns:
+    - "Mobile page pattern: 'use client'; single load() function, useEffect(() => { void load(); }, []), inline error block with Retry, spinner while loading"
+    - "type-only import from route file: import type { MobileDashboardResponse } from '@/app/api/mobile/dashboard/route'"
+    - "Refresh button in H1 row: disabled={loading} + animate-spin on loading=true"
+
+key-files:
+  created: []
+  modified:
+    - app/mobile/dashboard/page.tsx
+
+key-decisions:
+  - "import type { MobileDashboardResponse } from route file worked without issue — Next.js 16 type-only imports from route handlers are clean"
+  - "No local interface redefinition needed — the import type approach from plan 01 route was sufficient"
+  - "Auto-approved checkpoint:human-verify (auto mode active) — no manual verification step taken"
+
+requirements-completed: [DASH-01, DASH-02, DASH-03, DASH-04]
+
+# Metrics
+duration: 5min
+completed: 2026-05-03
+---
+
+# Phase 3 Plan 2: Mobile Dashboard Page Assembly Summary
+
+**Rewrote `app/mobile/dashboard/page.tsx` to render the spec §6.1 three-section layout: 2×2 KPI grid → horizontal Needs Attention strip → worker/backup status row, fed by /api/mobile/dashboard. Zero charts.**
+
+## Performance
+
+- **Duration:** ~5 min
+- **Completed:** 2026-05-03
+- **Tasks:** 1 executed (1 auto-approved checkpoint)
+- **Files modified:** 1
+
+## Accomplishments
+
+- Completely replaced `app/mobile/dashboard/page.tsx` (164 deleted lines → 118 new lines)
+- Dropped all legacy sections: priority breakdown, SLA bar charts, by-queue progress bars, recent activity list
+- Wired `KpiCardMobile` into a `grid-cols-2` layout consuming `response.kpis` (4 entries)
+- Wired `NeedsAttentionStrip` consuming `response.needsAttention` (3 attention items)
+- Wired `WorkerStatusRow` consuming `response.workers` (3 worker entries)
+- Added inline error state with destructive-tinted block + Retry button
+- Added `RefreshCw` refresh button in the H1 row with `animate-spin` while loading and `disabled` attribute
+- Zero recharts imports (DASH-04 satisfied)
+
+## File Structure
+
+```
+app/mobile/dashboard/page.tsx  (118 lines)
+  ├─ 'use client'
+  ├─ imports: useEffect, useState, RefreshCw, KpiCardMobile, NeedsAttentionStrip, WorkerStatusRow
+  ├─ import type MobileDashboardResponse from route
+  ├─ export default MobileDashboard()
+  │   ├─ state: data, loading, error
+  │   ├─ load(): fetch /api/mobile/dashboard → setData
+  │   ├─ useEffect(() => { void load(); }, [])
+  │   └─ render:
+  │       ├─ H1 "Dashboard" + RefreshCw button
+  │       ├─ error block (conditional)
+  │       ├─ spinner (loading && !data)
+  │       └─ data section:
+  │           ├─ grid grid-cols-2: 4× KpiCardMobile
+  │           ├─ NeedsAttentionStrip (3 items)
+  │           └─ WorkerStatusRow (3 entries)
+```
+
+## Type Import Resolution
+
+`import type { MobileDashboardResponse } from '@/app/api/mobile/dashboard/route'` worked cleanly — no fallback to local interface redefinition was needed. Next.js 16 handles type-only imports from route files without issues.
+
+## Task Commits
+
+1. **Task 1: Replace mobile dashboard page body with the new 3-section layout** — `5256250` (feat)
+2. **Task 2: Human verification** — auto-approved (auto mode active)
+
+## Acceptance Criteria Results
+
+| Criterion | Result |
+|-----------|--------|
+| Starts with `'use client';` | PASS |
+| Default export `MobileDashboard` | PASS |
+| Imports all 3 mobile components | PASS (3 imports) |
+| Fetches `/api/mobile/dashboard` | PASS |
+| Contains `grid-cols-2` | PASS |
+| Contains `<h1>Dashboard</h1>` | PASS |
+| No recharts/swr/react-query/framer-motion | PASS |
+| No legacy field names (by_status, etc.) | PASS |
+| No old ticket link `/mobile/tickets/${...}` | PASS |
+| TypeScript clean for page file | PASS |
+| <= 130 lines | PASS (118 lines) |
+
+## Deviations from Plan
+
+None - plan executed exactly as written. The prescribed code structure from the plan's `<action>` block was used directly with no modifications needed.
+
+## Known Stubs
+
+None — all data flows are wired to live DB queries via `/api/mobile/dashboard` (shipped in plan 01).
+
+## Threat Flags
+
+No new security surface introduced. The page consumes the existing authenticated `/api/mobile/dashboard` endpoint. Error messages are sanitized (T-03-07 mitigated: renders `body.message ?? body.error ?? 'HTTP {status}'`, no stack traces).
+
+---
+*Phase: 03-dashboard-restyle*
+*Completed: 2026-05-03*