feat(cctv): color live video cameras apart from stills

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). 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 live 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/layers/cctv/policy.js

@@ -410,6 +410,9 @@ export const IDLE_CAMERA_COLOR =
 export const ACTIVE_CAMERA_COLOR =
   Cesium.Color.fromCssColorString('#ffd97a').withAlpha(0.95);
 
+export const LIVE_CAMERA_COLOR =
+  Cesium.Color.fromCssColorString('#b48cff').withAlpha(0.88);
+
 export const IDLE_COVERAGE_COLOR =
   Cesium.Color.fromCssColorString('#2fe0ff').withAlpha(0.24);
 

src/layers/cctv/rendering.js

@@ -4,6 +4,7 @@ import { isHeadingEstimated } from './headingConfidence.js';
 import {
   ACTIVE_CAMERA_COLOR,
   IDLE_CAMERA_COLOR,
+  LIVE_CAMERA_COLOR,
   ACTIVE_COVERAGE_CENTER,
   IDLE_COVERAGE_CENTER_MUTED,
   ACTIVE_COVERAGE_CENTER_DEPTHFAIL,
@@ -18,6 +19,15 @@ export function createRendering({
   parts,
   source,
 }) {
+  /** Icon color: active wins, then live-capable video feeds, then idle stills. */
+  function cameraColorFor(record) {
+    if (record.camera.id === layerState._activeCameraId)
+      return ACTIVE_CAMERA_COLOR;
+    if (parts.model.isVideoFeedType(record.camera.feedType))
+      return LIVE_CAMERA_COLOR;
+    return IDLE_CAMERA_COLOR;
+  }
+
   const {
     focusNowMs,
     getFocusTarget,
@@ -58,10 +68,7 @@ export function createRendering({
         ),
       cameraDistanceFor: (position) =>
         Cesium.Cartesian3.distance(camera.positionWC, position),
-      baseColorFor: (record) =>
-        record.camera.id === layerState._activeCameraId
-          ? ACTIVE_CAMERA_COLOR
-          : IDLE_CAMERA_COLOR,
+      baseColorFor: cameraColorFor,
     });
     layerState._activeFocusStyleCount = result.activeCount;
   }
@@ -208,9 +215,7 @@ export function createRendering({
     for (const record of layerState._records) {
       const isActive = record.camera.id === activeId;
       if (record.billboard) {
-        record.billboard.color = isActive
-          ? ACTIVE_CAMERA_COLOR
-          : IDLE_CAMERA_COLOR;
+        record.billboard.color = cameraColorFor(record);
         record.billboard.scale = isActive ? 1.25 : 1.0;
         // disableDepthTestDistance stays POSITIVE_INFINITY for every billboard
         // (set at creation) — see the field-test far-zoom submerge fix there.