test(cctv): pin the camera icon colors; say video feed, not live

changelog.d/1200-cctv-live-icon-color.md

@@ -1,5 +1,5 @@
-- Color CCTV cameras with live video violet. Cameras with an HLS, MP4 or WebM
-  feed were the same cyan as stills, so a live DelDOT or Statens vegvesen
-  camera could only be found by opening it. Stills stay cyan and the active
-  camera stays amber, and focus de-emphasis fades the violet the same way
-  (Danielslay86, #1200).
+- Color CCTV cameras with a video feed violet. Cameras with an HLS, MP4 or
+  WebM feed were the same cyan as stills, so a DelDOT or Statens vegvesen
+  video camera could only be found by opening it. Stills stay cyan and the
+  active camera stays amber, and focus de-emphasis fades the violet the same
+  way (Danielslay86, #1200).

docs/CURRENT-STATE.md

@@ -4359,7 +4359,7 @@ silently demoting every later lookup for the session.
   ground clamp now lifts the cap _center_ only so the wireframe stays a true pyramid welded to
   the plane (was a flattened fan / the ~47.5 m divergence — RESOLVED), re-selecting the active
   camera is a no-op (killed a click-flash), and texture swaps gate on canvas content (killed a
-  periodic white flash). Camera icons are cyan for stills, violet for cameras with a live video feed, and amber for the active camera. Coverage is now **metro-wide: 250 cameras** (`CCTV_AUSTIN_MAX_SOURCES`
+  periodic white flash). Camera icons are cyan for stills, violet for cameras with a video feed, and amber for the active camera. Coverage is now **metro-wide: 250 cameras** (`CCTV_AUSTIN_MAX_SOURCES`
   default 36 → 250, hard bound 300), filtered to `camera_status === TURNED_ON` (~815 live of
   1,003 rows). City packs (2026-07-04): Caltrans (districts 4/7/11/3 — SF, LA, San Diego,
   Sacramento; cap 300) and TfL London JamCams (cap 250) join Austin (cap 250) as keyless default

src/data/cctv.test.mjs

@@ -77,6 +77,11 @@ import {
   CCTV_FOCUS_REQUEST_EVENT,
   activateCctvCameraFromWorldClick,
 } from '../cctvFocusRequest.js';
+import {
+  ACTIVE_CAMERA_COLOR,
+  IDLE_CAMERA_COLOR,
+  LIVE_CAMERA_COLOR,
+} from '../layers/cctv/policy.js'
 
 const CCTV_PRESENTATION_SOURCE = fs.readFileSync(
   path.join(
@@ -360,6 +365,37 @@ test('default COVERAGE refresh materializes the active and visible camera frustu
   }
 });
 
+test('camera icons are violet for video feeds, cyan for stills, amber when active', () => {
+  const record = (id, feedType) => ({
+    camera: { ...UNCLAMPED_CAMERA, id, feedType, groundElevationM: 0 },
+    billboard: {},
+    coverageEntities: [],
+    projection: null,
+  });
+  const idleVideo = record('idle-hls', 'hls');
+  const idleStill = record('idle-image', 'image');
+  const activeVideo = record('active-hls', 'hls');
+  const viewer = { entities: { add: (entity) => entity } };
+
+  try {
+    // Disabled keeps the active video camera from opening a real projection;
+    // icon colors are assigned either way.
+    _setCctvCoverageStateForTest({
+      viewer,
+      records: [idleVideo, idleStill, activeVideo],
+      activeCameraId: activeVideo.camera.id,
+      enabled: false,
+      coverageMode: 'off',
+    });
+    refreshCoverageStyles();
+    assert.equal(idleVideo.billboard.color, LIVE_CAMERA_COLOR);
+    assert.equal(idleStill.billboard.color, IDLE_CAMERA_COLOR);
+    assert.equal(activeVideo.billboard.color, ACTIVE_CAMERA_COLOR);
+  } finally {
+    _setCctvCoverageStateForTest({ enabled: false });
+  }
+});
+
 test('geometry drain pacing yields to tracked and cockpit camera ownership', () => {
   assert.deepEqual(cctvGeometryDrainPacing(), { batchSize: 4, delayMs: 120 });
   assert.deepEqual(