diff --git a/system/public/aesthetic.computer/bios.mjs b/system/public/aesthetic.computer/bios.mjs
index c2f0a089a8..eab8522bd0 100644
--- a/system/public/aesthetic.computer/bios.mjs
+++ b/system/public/aesthetic.computer/bios.mjs
@@ -48,12 +48,7 @@ import * as graph from "./lib/graph.mjs";
 import * as WebGPU from "./lib/webgpu.mjs";
 import { initGPU, switchBackend } from "./lib/gpu/index.mjs"; // 🎨 New backend system (auto-registers backends)
 import { createWebGLBlitter } from "./lib/webgl-blit.mjs";
-import {
-  chooseCompactVideoMime,
-  getCameraCaptureSize,
-  measureCaptureAVSync,
-  shouldResumeCaptureRecorder,
-} from "./lib/capture-session.mjs";
+import * as CaptureSession from "./lib/capture-session.mjs";
 import {
   attachSoundtrackToFrames,
   frameIndexForSoundtrackProgress,
@@ -61,8 +56,22 @@ import {
 } from "./lib/sound-on-film.mjs";
 
 // import * as TwoD from "./lib/2d.mjs"; // 🆕 2D GPU Renderer.
-const TwoD = undefined;
-let hadVectorOverlay = false; // so the vector overlay clears once when a piece drops it
+const TwoD = undefined;
+const chooseCompactVideoMime =
+  CaptureSession.chooseCompactVideoMime || (() => null);
+const getCameraCaptureSize =
+  CaptureSession.getCameraCaptureSize ||
+  ((requestedWidth, requestedHeight) => {
+    const even = (value) =>
+      Math.max(2, Math.round((Number(value) || 2) / 2) * 2);
+    return { width: even(requestedWidth), height: even(requestedHeight) };
+  });
+const measureCaptureAVSync =
+  CaptureSession.measureCaptureAVSync || (() => null);
+const shouldResumeCaptureRecorder =
+  CaptureSession.shouldResumeCaptureRecorder ||
+  ((state, freshSession = false) => state === "paused" && !freshSession);
+let hadVectorOverlay = false; // so the vector overlay clears once when a piece drops it
 
 // 🪟 Replay a piece's vector-overlay display-list onto the native UI canvas — crisp
 // anti-aliased rounded rects, text and lines above the pixel buffer. Cleared fresh
diff --git a/system/public/sw.js b/system/public/sw.js
index 84f0123aef..a8cad5c5f5 100644
--- a/system/public/sw.js
+++ b/system/public/sw.js
@@ -1,7 +1,7 @@
 // Aesthetic Computer Service Worker
 // Caches JavaScript modules for faster subsequent loads
 
-const CACHE_NAME = 'ac-modules-v9'; // Bump: lib/ + systems/ go network-first (piece↔lib lockstep), flush caches that hold pre-catnom nom.mjs
+const CACHE_NAME = 'ac-modules-v10'; // Bump: clear stale capture-session modules after the camera API expansion
 const CACHE_DURATION = 60 * 60 * 1000; // 1 hour in ms (dev-friendly)
 
 // Critical modules to precache on install. NOTE: bios.mjs and lib/disk.mjs