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CUB-196: CameraCard component with live SSE status display #3

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overseer merged 8 commits from agent/hermes/CUB-196-cameracard into dev 2026-05-21 10:26:56 -04:00
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Hermes commented 2026-05-21 08:29:24 -04:00
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What

Built the CameraCard React component per CUB-196 specs.

  • CameraCard.tsx — Dark dashboard card with camera name, online/offline badge, resolution+FPS, pulsating REC indicator, color-coded battery bar, relative timestamps, video remaining
  • App.tsx — Wired into live SSE-backed camera grid with empty state and header stats
  • Accessibility — ARIA labels, progressbar role, semantic article element
  • Edge cases — NaN guard on timestamps, negative guard on video, null battery

Verification

  • TSC: zero errors
  • Build: clean
  • Tests: 16/16 passing (vitest + testing-library)

Linear

Closes CUB-196

## What Built the CameraCard React component per CUB-196 specs. - **CameraCard.tsx** — Dark dashboard card with camera name, online/offline badge, resolution+FPS, pulsating REC indicator, color-coded battery bar, relative timestamps, video remaining - **App.tsx** — Wired into live SSE-backed camera grid with empty state and header stats - **Accessibility** — ARIA labels, progressbar role, semantic article element - **Edge cases** — NaN guard on timestamps, negative guard on video, null battery ## Verification - TSC: zero errors - Build: clean - Tests: 16/16 passing (vitest + testing-library) ## Linear Closes CUB-196
Hermes added 6 commits 2026-05-21 08:29:25 -04:00
CUB-195: add useSSE hook and Zustand camera store for live SSE events fa0956c6fd
CUB-196: add CameraCard component with battery bar, recording indicator, online status e82208f897
CUB-196: add accessibility and edge case fixes for CameraCard 4ab7d41329
CUB-196: wire CameraCard into App grid with SSE live updates ad813cd206
CUB-196: add CameraCard unit tests (vitest + testing-library, 16 tests) 047241005b
CUB-196: remove unused vi import from test 08d5ceb792
Hermes added 1 commit 2026-05-21 10:07:59 -04:00
CUB-196: fix future timestamps, negative battery clamp, boundary tests db4663380b 
Grimm review fixes:
- formatRelativeTime: guard future timestamps (clock skew) → 'unknown'
- battery display: clamp negative values to 0%
- formatTimeLeft: floor fractional seconds
- Tests: +4 (future timestamp, negative battery, 15%/50% boundaries)
Hermes commented 2026-05-21 10:08:34 -04:00
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🔍 Grimm Spec Compliance Review

Verdict: ✅ PASS

All 16 spec requirements verified against the Linear CUB-196 task spec:

# Requirement Status
1 Accepts CameraStatus as prop ✅
2 Displays friendly_name ✅
3 Battery thresholds (≥50% green, 15-49% yellow, <15% red) ✅
4 Battery N/A when null ✅
5 Recording pulse indicator ✅
6 REC/IDLE text ✅
7 Resolution + FPS ✅
8 Online/offline indicator ✅
9 Last-seen timestamp (always visible) ✅
10 Uses existing CameraStatus type ✅
11 Project Tailwind tokens ✅
12 Single file component ✅
13 Barrel export ✅
14 Wired into App.tsx with SSE ✅
15 Test coverage ✅
16 No unrelated file changes ✅

Minor scope creep (non-blocking): mode display, video remaining time, secondary Live indicator in footer. All are informational extras, not spec violations.

— Grimm, merge gatekeeper

## 🔍 Grimm Spec Compliance Review **Verdict: ✅ PASS** All 16 spec requirements verified against the Linear CUB-196 task spec: | # | Requirement | Status | |---|---|---| | 1 | Accepts CameraStatus as prop | ✅ | | 2 | Displays friendly_name | ✅ | | 3 | Battery thresholds (≥50% green, 15-49% yellow, <15% red) | ✅ | | 4 | Battery N/A when null | ✅ | | 5 | Recording pulse indicator | ✅ | | 6 | REC/IDLE text | ✅ | | 7 | Resolution + FPS | ✅ | | 8 | Online/offline indicator | ✅ | | 9 | Last-seen timestamp (always visible) | ✅ | | 10 | Uses existing CameraStatus type | ✅ | | 11 | Project Tailwind tokens | ✅ | | 12 | Single file component | ✅ | | 13 | Barrel export | ✅ | | 14 | Wired into App.tsx with SSE | ✅ | | 15 | Test coverage | ✅ | | 16 | No unrelated file changes | ✅ | **Minor scope creep** (non-blocking): mode display, video remaining time, secondary Live indicator in footer. All are informational extras, not spec violations. — *Grimm, merge gatekeeper*
Hermes commented 2026-05-21 10:09:49 -04:00
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🔍 Grimm Code Quality Review

Verdict: ✅ APPROVED (critical issue fixed in db46633)

Sanity Gates (all pass)

TypeScript strict ✅ | ESLint ✅ | 20/20 tests ✅ | Security (no XSS) ✅ | Semantic HTML ✅

Issues Found and Fixed

C1 (CRITICAL — FIXED): formatRelativeTime returned "just now" for future timestamps (clock skew edge case). Fixed: added diffSec < 0 → 'unknown' guard. Test added.

I1 (FIXED): Negative battery_pct displayed as "-5%" while bar clamped to 0%. Fixed: Math.max(0, battery_pct) in display text.

I2 (FIXED): formatTimeLeft emitted fractional seconds (sec % 60 not floored). Fixed: Math.floor(sec % 60).

Remaining Recommendations

  • React.memo on CameraCard would prevent full-grid re-renders when one camera updates
  • App.tsx subscribes to entire Zustand store — granular selectors would reduce re-renders
  • Low-contrast secondary text (text-rig-dark-400 on bg-rig-dark-800) — document as intentional dark-theme choice
  • mode text and resolution/FPS lack aria-labels

— Grimm, merge gatekeeper

## 🔍 Grimm Code Quality Review **Verdict: ✅ APPROVED** *(critical issue fixed in db46633)* ### Sanity Gates (all pass) TypeScript strict ✅ | ESLint ✅ | 20/20 tests ✅ | Security (no XSS) ✅ | Semantic HTML ✅ ### Issues Found and Fixed **C1 (CRITICAL — FIXED):** `formatRelativeTime` returned "just now" for future timestamps (clock skew edge case). Fixed: added `diffSec < 0 → 'unknown'` guard. Test added. **I1 (FIXED):** Negative `battery_pct` displayed as "-5%" while bar clamped to 0%. Fixed: `Math.max(0, battery_pct)` in display text. **I2 (FIXED):** `formatTimeLeft` emitted fractional seconds (`sec % 60` not floored). Fixed: `Math.floor(sec % 60)`. ### Remaining Recommendations - **React.memo** on CameraCard would prevent full-grid re-renders when one camera updates - **App.tsx** subscribes to entire Zustand store — granular selectors would reduce re-renders - Low-contrast secondary text (`text-rig-dark-400` on `bg-rig-dark-800`) — document as intentional dark-theme choice - `mode` text and resolution/FPS lack aria-labels — *Grimm, merge gatekeeper*
overseer added 1 commit 2026-05-21 10:10:42 -04:00
Merge branch 'dev' into agent/hermes/CUB-196-cameracard fcc5feb1be
overseer scheduled this pull request to auto merge when all checks succeed 2026-05-21 10:10:48 -04:00
Hermes added 1 commit 2026-05-21 10:16:47 -04:00
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overseer merged commit 07ecff3b5f into dev 2026-05-21 10:26:56 -04:00
overseer deleted branch agent/hermes/CUB-196-cameracard 2026-05-21 10:26:56 -04:00
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Reference: CubeCraft-Creations/remote-rig#3
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