v6.0.8.2-beta.1

.github/workflows/deploy.yml

@@ -12,9 +12,9 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
 
-      - uses: actions/setup-node@v4
+      - uses: actions/setup-node@v7
         with:
           node-version: 22
           cache: npm
@@ -26,7 +26,7 @@ jobs:
         run: npm test
 
       - name: Install web-ext
-        run: npm install -g web-ext
+        run: npm install -g web-ext@10.6.0
 
       - name: Lint
         run: web-ext lint --source-dir extension
@@ -54,7 +54,7 @@ jobs:
 
       - name: Create GitHub Prerelease (beta)
         if: contains(github.ref_name, '-beta')
-        uses: softprops/action-gh-release@v2
+        uses: softprops/action-gh-release@v3
         with:
           tag_name: ${{ github.ref_name }}
           name: ${{ github.ref_name }}

IMPLEMENTATION_PLAN.md

@@ -1,34 +0,0 @@
-# Implementation Plan
-
-Constraints: local commits only; no push; no browser testing; one commit per feature.
-
-## Controller and targeting
-
-- [x] Keep the controller visible for its own video in element and ancestor fullscreen.
-- [x] Target popup actions at the frame represented by the displayed speed; keep “all videos” intentional.
-- [x] Ignore shortcuts originating from editable controls, including shadow-DOM inputs.
-
-## Accessibility and usability
-
-- [x] Give in-player controls accessible names, keyboard behavior, and visible focus.
-- [x] Make control-bar customization operable by keyboard as well as drag and drop.
-- [x] Label generated shortcut and site-rule form controls.
-- [x] Improve popup status announcements, focus indicators, and icon-search semantics.
-
-## Settings safety and validation
-
-- [x] Confirm before Restore Defaults removes preferences and remembered data.
-- [x] Report partial imports accurately when custom icons cannot be restored.
-- [x] Reject malformed slash-prefixed regular expressions before saving site rules.
-
-## Extension lifecycle and copy
-
-- [x] Initialize and synchronize the disabled toolbar icon from background state.
-- [x] Correct shortcut, subtitle-nudge, live-update, and obsolete troubleshooting copy.
-- [x] Run automated tests in the release workflow before packaging.
-
-## Verification
-
-- [x] Run focused automated checks after each non-trivial change.
-- [x] Run the complete non-browser test suite and review the final local commit series.
-- [x] Leave cross-site fullscreen visual verification for reporter/user validation.

README.md

@@ -72,7 +72,7 @@ The unpacked extension root is `extension/`. Load that directory in
 
 ```sh
 npm test
-npx --yes web-ext lint --source-dir extension
+npx --yes web-ext@10.6.0 lint --source-dir extension
 ```
 
 ## FAQ

extension/background/background.js

@@ -9,6 +9,15 @@ function setToolbarIcon(enabled) {
   });
 }
 
+var pausedTabIds = new Set();
+
+function getMessageTabId(request, sender) {
+  if (request && Number.isInteger(request.tabId)) return request.tabId;
+  return sender && sender.tab && Number.isInteger(sender.tab.id)
+    ? sender.tab.id
+    : null;
+}
+
 chrome.storage.sync.get(["enabled"], function(storage) {
   if (!chrome.runtime.lastError) setToolbarIcon(storage.enabled !== false);
 });
@@ -19,8 +28,40 @@ chrome.storage.onChanged.addListener(function(changes, areaName) {
   }
 });
 
-chrome.runtime.onMessage.addListener(function (request) {
+chrome.runtime.onMessage.addListener(function (request, sender, sendResponse) {
   if (request.action === "openOptions") {
     chrome.tabs.create({ url: chrome.runtime.getURL("options/options.html") });
+    return false;
   }
+  if (request.action === "get_tab_pause_state") {
+    var queriedTabId = getMessageTabId(request, sender);
+    sendResponse({
+      paused: queriedTabId !== null && pausedTabIds.has(queriedTabId)
+    });
+    return false;
+  }
+  if (request.action === "set_tab_paused") {
+    var tabId = getMessageTabId(request, sender);
+    if (tabId === null) {
+      sendResponse({ paused: false });
+      return false;
+    }
+    var paused = request.paused === true;
+    if (paused) pausedTabIds.add(tabId);
+    else pausedTabIds.delete(tabId);
+    chrome.tabs.sendMessage(
+      tabId,
+      { action: "set_tab_paused", paused: paused },
+      function () {
+        void chrome.runtime.lastError;
+      }
+    );
+    sendResponse({ paused: paused });
+    return false;
+  }
+  return false;
+});
+
+chrome.tabs.onRemoved.addListener(function(tabId) {
+  pausedTabIds.delete(tabId);
 });

extension/content/frame-speed-snapshot.js

@@ -12,6 +12,10 @@
         typeof tc === "object" && typeof tc.frameToken === "string"
           ? tc.frameToken
           : null,
+      diagnostics:
+        typeof getDiagnosticsSnapshot === "function"
+          ? getDiagnosticsSnapshot(v)
+          : null,
       preferred: !v.paused,
       forceLastSavedSpeed: Boolean(
         typeof tc === "object" && tc.settings && tc.settings.forceLastSavedSpeed

extension/content/inject.css

@@ -1,10 +1,6 @@
 /* Base styles for the controller wrapper (the shadow host) */
 .vsc-controller {
   position: absolute !important;
-  top: 0 !important;
-  left: 0 !important;
-  width: 100% !important;
-  height: 100% !important;
   pointer-events: none !important;
   /* Keep the interactive controller above player-owned click/pause panes. */
   z-index: 2147483647 !important;
@@ -17,7 +13,6 @@
    controller in the browser top layer without nesting it inside <video>. */
 .vsc-controller.vsc-fullscreen-popover {
   position: fixed !important;
-  inset: auto !important;
   margin: 0 !important;
   padding: 0 !important;
   border: 0 !important;

extension/content/inject.js

@@ -1,4 +1,3 @@
-var isUserSeek = false; // Track if seek was user-initiated
 var lastToggleSpeed = {}; // Store last toggle speeds per video
 var speederShared =
   typeof SpeederShared === "object" && SpeederShared ? SpeederShared : {};
@@ -28,6 +27,11 @@ function getSharedDefault(key, fallback) {
   return fallback;
 }
 
+function getCachedVideoRect(video) {
+  var wrapper = video && video.vsc && video.vsc.div;
+  return (wrapper && wrapper.vscVideoRect) || null;
+}
+
 function getPrimaryVideoElement(mediaElements) {
   var candidates = Array.isArray(mediaElements)
     ? mediaElements
@@ -39,10 +43,13 @@ function getPrimaryVideoElement(mediaElements) {
   candidates.forEach(function(el, index) {
     if (!el || !el.vsc || !el.isConnected) return;
 
-    var rect = null;
-    try {
-      rect = el.getBoundingClientRect();
-    } catch (_error) {}
+    var rect = getCachedVideoRect(el);
+    var hasCachedRect = Boolean(rect);
+    if (!rect) {
+      try {
+        rect = el.getBoundingClientRect();
+      } catch (_error) {}
+    }
 
     var width = rect && Number(rect.width) > 0 ? Number(rect.width) : 0;
     var height = rect && Number(rect.height) > 0 ? Number(rect.height) : 0;
@@ -57,17 +64,24 @@ function getPrimaryVideoElement(mediaElements) {
       : 0;
     var visibleArea = visibleWidth * visibleHeight;
     var visuallyAvailable = visibleArea > 0;
-    try {
-      var computed = win && win.getComputedStyle(el);
-      if (
-        computed &&
-        (computed.display === "none" ||
-          computed.visibility === "hidden" ||
-          Number(computed.opacity) === 0)
-      ) {
-        visuallyAvailable = false;
-      }
-    } catch (_error) {}
+    if (
+      el.vsc.div &&
+      el.vsc.div.classList.contains("vsc-geometry-hidden")
+    ) {
+      visuallyAvailable = false;
+    } else if (!hasCachedRect) {
+      try {
+        var computed = win && win.getComputedStyle(el);
+        if (
+          computed &&
+          (computed.display === "none" ||
+            computed.visibility === "hidden" ||
+            Number(computed.opacity) === 0)
+        ) {
+          visuallyAvailable = false;
+        }
+      } catch (_error) {}
+    }
 
     var score = visibleArea;
     if (visuallyAvailable) score += 1e12;
@@ -90,6 +104,81 @@ function getPrimaryVideoElement(mediaElements) {
   return best;
 }
 
+function getDiagnosticsSnapshot(media) {
+  var primary = media || getPrimaryVideoElement();
+  if (!primary) return null;
+
+  var controller = primary.vsc || null;
+  var wrapper = controller && controller.div;
+  var fullscreenElement = getFullscreenElement(primary.ownerDocument);
+  var rect = null;
+  try {
+    rect = primary.getBoundingClientRect();
+  } catch (_error) {}
+
+  return {
+    mediaCount: tc.mediaElements.filter(function(item) {
+      return item && item.isConnected;
+    }).length,
+    mediaType: String(primary.nodeName || "media").toLowerCase(),
+    playbackRate: Number(primary.playbackRate),
+    paused: primary.paused === true,
+    ended: primary.ended === true,
+    readyState: Number(primary.readyState) || 0,
+    muted: primary.muted === true,
+    volume: Number(primary.volume),
+    dimensions: rect
+      ? [Math.round(Number(rect.width) || 0), Math.round(Number(rect.height) || 0)]
+      : [0, 0],
+    fullscreen: {
+      active: Boolean(fullscreenElement),
+      element: fullscreenElement
+        ? String(fullscreenElement.nodeName || "element").toLowerCase()
+        : null,
+      ownsMedia: Boolean(
+        fullscreenElement &&
+          (fullscreenElement === primary ||
+            isComposedDescendant(primary, fullscreenElement))
+      )
+    },
+    controller: {
+      present: Boolean(controller && wrapper),
+      connected: Boolean(wrapper && wrapper.isConnected),
+      hidden: Boolean(wrapper && wrapper.classList.contains("vsc-hidden")),
+      geometryHidden: Boolean(
+        wrapper && wrapper.classList.contains("vsc-geometry-hidden")
+      ),
+      fullscreenPopover: Boolean(
+        wrapper && wrapper.classList.contains("vsc-fullscreen-popover")
+      ),
+      location: controller ? controller.controllerLocation : null
+    },
+    effectiveSettings: {
+      enabled: tc.settings.enabled !== false,
+      tabPaused: tc.tabPaused === true,
+      startHidden: tc.settings.startHidden === true,
+      hideWithControls: tc.settings.hideWithControls === true,
+      rememberSpeed: tc.settings.rememberSpeed === true,
+      forceLastSavedSpeed: tc.settings.forceLastSavedSpeed === true,
+      shortcutTargetMode: tc.settings.shortcutTargetMode
+    },
+    siteRule: {
+      matched: Boolean(tc.activeSiteRule),
+      disabled: Boolean(
+        tc.activeSiteRule &&
+          siteRuleUtils.isSiteRuleDisabled(tc.activeSiteRule)
+      ),
+      overrideKeys: tc.activeSiteRule
+        ? Object.keys(tc.activeSiteRule)
+            .filter(function(key) {
+              return key !== "pattern" && key !== "title";
+            })
+            .sort()
+        : []
+    }
+  };
+}
+
 var tc = {
   settings: {
     lastSpeed: getSharedDefault("lastSpeed", 1.0),
@@ -151,6 +240,7 @@ var tc = {
   speedAccessTimes: {},
   persistedLastSpeed: 1.0,
   activeSiteRule: null,
+  tabPaused: false,
   siteRuleBase: null,
   runtimeSettingsHydrated: false,
   pendingMediaCandidates: [],
@@ -163,6 +253,29 @@ var tc = {
       : String(Date.now()) + "-" + Math.random().toString(36).slice(2)
 };
 
+function isSpeederActiveForCurrentPage() {
+  return (
+    tc.tabPaused !== true &&
+    siteRuleUtils.isSpeederActiveForSite(
+      tc.settings.enabled,
+      tc.activeSiteRule
+    )
+  );
+}
+
+function applyTabPausedState(paused) {
+  tc.tabPaused = paused === true;
+  if (!tc.runtimeSettingsHydrated) return;
+  if (tc.tabPaused) {
+    clearAllSpeedRestoreEnforcement();
+    tc.mediaElements.slice().forEach(function(media) {
+      removeController(media);
+    });
+    return;
+  }
+  initializeWhenReady(document, true);
+}
+
 var MIN_SPEED = Number(keyBindingUtils.MIN_SPEED) || 0.1;
 var MAX_SPEED = Number(keyBindingUtils.MAX_SPEED) || 16;
 var YT_NATIVE_MIN = 0.25;
@@ -1516,7 +1629,7 @@ function ensureController(node, parent) {
   // href selects site rules; re-run on every new/usable media so all runtime
   // paths agree on activation and effective settings.
   applySiteRuleOverrides();
-  if (!siteRuleUtils.isSpeederActiveForSite(tc.settings.enabled, tc.activeSiteRule)) {
+  if (!isSpeederActiveForCurrentPage()) {
     if (node.vsc) removeController(node);
     return null;
   }
@@ -2324,12 +2437,24 @@ function loadInitialRuntimeSettings(attempt) {
     return;
   }
   hydrateRuntimeSettings(rawStorage || {});
+  if (chrome.runtime && typeof chrome.runtime.sendMessage === "function") {
+    chrome.runtime.sendMessage({ action: "get_tab_pause_state" }, function(response) {
+      if (!chrome.runtime.lastError && response) {
+        applyTabPausedState(response.paused === true);
+      }
+    });
+  }
   // patchAttachShadow() is now called at top-level before this callback
   // Add a listener for messages from the popup.
   // We use a global flag to ensure the listener is only attached once.
   if (!window.vscMessageListener) {
     chrome.runtime.onMessage.addListener(
       function(request, sender, sendResponse) {
+        if (request.action === "set_tab_paused") {
+          applyTabPausedState(request.paused === true);
+          sendResponse({ paused: tc.tabPaused });
+          return false;
+        }
         if (request.action === "rescan_page") {
           log("Re-scan command received from popup.", 4);
           initializeWhenReady(document, true);
@@ -2344,6 +2469,7 @@ function loadInitialRuntimeSettings(attempt) {
           sendResponse({
             speed: videoGs.playbackRate,
             frameToken: tc.frameToken,
+            diagnostics: getDiagnosticsSnapshot(videoGs),
             forceLastSavedSpeed: tc.settings.forceLastSavedSpeed === true,
             forceLastSavedSpeedControlledBySiteRule: Boolean(
               tc.activeSiteRule &&
@@ -2387,10 +2513,7 @@ function loadInitialRuntimeSettings(attempt) {
             return false;
           }
           if (
-            !siteRuleUtils.isSpeederActiveForSite(
-              tc.settings.enabled,
-              tc.activeSiteRule
-            )
+            !isSpeederActiveForCurrentPage()
           ) {
             return false;
           }
@@ -2785,8 +2908,6 @@ function getControllerMount(video, boundary) {
     return isShadowRootNode(directRoot) ? directRoot : null;
   }
 
-  var mountBoundary = null;
-
   var videoRect = video.getBoundingClientRect();
   var mount = video.parentElement;
   var candidate = mount;
@@ -2804,15 +2925,7 @@ function getControllerMount(video, boundary) {
   // Climb through tightly-sized wrappers so our host shares their stacking
   // context, but stop before broad page-layout containers.
   while (candidate && candidate.parentElement && depth < 5) {
-    if (mountBoundary && candidate === mountBoundary) break;
     var next = candidate.parentElement;
-    if (
-      mountBoundary &&
-      next !== mountBoundary &&
-      !mountBoundary.contains(next)
-    ) {
-      break;
-    }
     var nextRect = next.getBoundingClientRect();
     var widthLimit = Math.max(videoRect.width * 1.35, videoRect.width + 80);
     var heightLimit = Math.max(videoRect.height * 1.35, videoRect.height + 80);
@@ -2836,10 +2949,6 @@ function getControllerMount(video, boundary) {
     candidate = next;
     depth += 1;
 
-    // In fullscreen, the wrapper must remain inside the exact subtree the
-    // browser promotes to its top layer.
-    if (mountBoundary && next === mountBoundary) break;
-
     // Never climb out of a player-owned stacking context. Doing so lets the
     // controller's high local z-index escape above sticky page headers.
     if (createsControllerStackingContext(next)) break;
@@ -2867,6 +2976,14 @@ function positionControllerHost(wrapper, video, mount) {
     return;
   }
   var videoRect = video.getBoundingClientRect();
+  wrapper.vscVideoRect = {
+    left: Number(videoRect.left) || 0,
+    top: Number(videoRect.top) || 0,
+    right: Number(videoRect.right) || 0,
+    bottom: Number(videoRect.bottom) || 0,
+    width: Number(videoRect.width) || 0,
+    height: Number(videoRect.height) || 0
+  };
   if (wrapper.classList.contains("vsc-fullscreen-popover")) {
     if (videoRect.width <= 0 || videoRect.height <= 0) {
       wrapper.classList.add("vsc-geometry-hidden");
@@ -3035,6 +3152,12 @@ function setupControllerHostTracking(videoController, wrapper, mount) {
     resizeObserver.observe(geometryMount);
   }
 
+  var mediaGeometryEvents = ["loadedmetadata", "play", "playing"];
+  mediaGeometryEvents.forEach(function(eventName) {
+    videoController.video.addEventListener(eventName, schedule, {
+      passive: true
+    });
+  });
   win.addEventListener("resize", schedule, { passive: true });
   doc.addEventListener("fullscreenchange", schedule, { passive: true });
   geometryMount.addEventListener("scroll", schedule, { passive: true });
@@ -3045,6 +3168,9 @@ function setupControllerHostTracking(videoController, wrapper, mount) {
     if (resizeObserver) resizeObserver.disconnect();
     if (frameId !== null) win.cancelAnimationFrame(frameId);
     if (geometryRetryTimer !== null) win.clearTimeout(geometryRetryTimer);
+    mediaGeometryEvents.forEach(function(eventName) {
+      videoController.video.removeEventListener(eventName, schedule);
+    });
     win.removeEventListener("resize", schedule);
     doc.removeEventListener("fullscreenchange", schedule);
     geometryMount.removeEventListener("scroll", schedule);
@@ -3168,14 +3294,14 @@ function disableDirectFullscreenPopover(videoController) {
   wrapper.removeAttribute("popover");
 }
 
-function enableFullscreenPopover(videoController, preferredMount) {
+function enableDirectFullscreenPopover(videoController) {
   if (!videoController || !videoController.video || !videoController.div) {
     return false;
   }
   var wrapper = videoController.div;
   if (typeof wrapper.showPopover !== "function") return false;
 
-  var normalMount = preferredMount || videoController.normalControllerMount;
+  var normalMount = videoController.normalControllerMount;
   var normalMountIsConnected = Boolean(
     normalMount &&
       (normalMount.isConnected ||
@@ -3220,8 +3346,15 @@ function syncControllerFullscreenMount(videoController) {
       (fullscreenElement === video ||
         isComposedDescendant(video, fullscreenElement))
   );
+  var normalGeometryMount = getControllerGeometryMount(targetMount);
+  var normalMountIsAlreadyFullscreenVisible = Boolean(
+    fullscreenElement &&
+      fullscreenElement !== video &&
+      normalGeometryMount &&
+      isComposedDescendant(normalGeometryMount, fullscreenElement)
+  );
 
-  if (ownsFullscreen) {
+  if (ownsFullscreen && !normalMountIsAlreadyFullscreenVisible) {
     targetMount = getControllerMount(video, fullscreenElement);
   } else if (!fullscreenElement && (!targetMount || !targetMount.isConnected)) {
     targetMount = getControllerMount(video);
@@ -3230,13 +3363,10 @@ function syncControllerFullscreenMount(videoController) {
 
   if (!targetMount) return false;
 
-  if (ownsFullscreen) {
-    // Fullscreen elements and popovers both participate in the browser's top
-    // layer. Showing Speeder's host after the player enters fullscreen keeps it
-    // above provider-owned surfaces even when the provider clips descendants or
-    // creates a new fullscreen stacking context (notably Firefox + YouTube).
-    // Browsers without the Popover API retain the player-local remount fallback.
-    if (enableFullscreenPopover(videoController, targetMount)) return true;
+  if (fullscreenElement === video) {
+    // A replaced <video> cannot paint author children, so direct-media
+    // fullscreen is the only case that needs a separate top-layer popover.
+    if (enableDirectFullscreenPopover(videoController)) return true;
   } else {
     disableDirectFullscreenPopover(videoController);
   }
@@ -3378,9 +3508,6 @@ function defineVideoController() {
           setSpeed(event.target, expectedSpeed, false, false);
         }
 
-        if (isUserSeek) {
-          isUserSeek = false;
-        }
       }
     };
 
@@ -3774,11 +3901,6 @@ function defineVideoController() {
       timer = setTimeout(() => {
         timer = null;
         if (this.controllerInteractionActive) return;
-        // Only hide if the video is not paused
-        // (Many players keep controls visible while paused)
-        // However, the user said "Reveal on every mouse and keyboard input"
-        // and "auto-hidden after timespan".
-        // We'll follow the timer strictly.
         wrapper.classList.add("vsc-idle-hidden");
         log("Generic hide: controller hidden due to inactivity", 5);
       }, tc.settings.hideWithControlsTimer * 1000);
@@ -3801,8 +3923,8 @@ function defineVideoController() {
     // Initial show/timer
     resetTimer();
 
-    // The wrapper covers the player area on most sites due to inject.css styles,
-    // but we listen on both the video and the wrapper for maximum coverage.
+    // Players dispatch activity at different layers, so observe the media,
+    // aligned controller host, and player mount.
     const activityEvents = ["mousemove", "mousedown", "keydown", "touchstart"];
     const parentEl =
       getControllerGeometryMount(this.controllerHostMount) ||
@@ -3844,6 +3966,9 @@ function defineVideoController() {
     const speed = this.video.playbackRate.toFixed(2);
     var wrapper = doc.createElement("div");
     wrapper.classList.add("vsc-controller");
+    // Keep the host out of player layout while its shadow stylesheet loads.
+    wrapper.style.position = "absolute";
+    wrapper.style.pointerEvents = "none";
     if (!hasUsableMediaSource(this.video))
       wrapper.classList.add("vsc-nosource");
     if (tc.settings.startHidden) wrapper.classList.add("vsc-hidden");
@@ -4163,7 +4288,7 @@ function refreshAllControllerGeometry() {
 /** Re-match site rules for current URL and refresh controller position/opacity on every video. */
 function reapplySiteRulesAndControllerGeometry() {
   applySiteRuleOverrides();
-  if (!siteRuleUtils.isSpeederActiveForSite(tc.settings.enabled, tc.activeSiteRule)) {
+  if (!isSpeederActiveForCurrentPage()) {
     tc.mediaElements.slice().forEach(function(video) {
       removeController(video);
     });
@@ -4421,10 +4546,7 @@ function attachKeydownListeners(doc) {
         if (isEditableShortcutTarget(event)) return;
 
         if (
-          !siteRuleUtils.isSpeederActiveForSite(
-            tc.settings.enabled,
-            tc.activeSiteRule
-          )
+          !isSpeederActiveForCurrentPage()
         ) {
           return;
         }
@@ -4649,10 +4771,7 @@ function initializeNow(doc, forceReinit = false) {
   attachNavigationListeners();
   if (typeof tc.videoController === "undefined") defineVideoController();
   applySiteRuleOverrides();
-  var isActive = siteRuleUtils.isSpeederActiveForSite(
-    tc.settings.enabled,
-    tc.activeSiteRule
-  );
+  var isActive = isSpeederActiveForCurrentPage();
 
   // Keep observing while inactive so dynamically-created media/shadow roots
   // are available to the next forced SPA rescan, but remove stale controls.
@@ -4804,16 +4923,7 @@ function getClosestMediaToPointer(candidates, pointerPosition) {
 
   candidates.forEach(function(video) {
     if (!video || !video.vsc || !video.isConnected) return;
-    var target = getControllerElement(video.vsc) || video;
-    var rect = null;
-    try {
-      rect = target.getBoundingClientRect();
-      if (!rect || rect.width <= 0 || rect.height <= 0) {
-        rect = video.getBoundingClientRect();
-      }
-    } catch (_error) {
-      return;
-    }
+    var rect = getCachedVideoRect(video);
     if (!rect || rect.width <= 0 || rect.height <= 0) return;
     var distance = distanceSquaredToRect(
       pointerPosition.x,
@@ -4942,12 +5052,10 @@ function runAction(action, value, e) {
     );
     switch (action) {
       case "rewind":
-        isUserSeek = true;
         extendSpeedRestoreWindow(v);
         v.currentTime -= numValue;
         break;
       case "advance":
-        isUserSeek = true;
         extendSpeedRestoreWindow(v);
         v.currentTime += numValue;
         break;

extension/content/shadow.css

@@ -1,9 +1,5 @@
 :host {
   position: absolute !important;
-  top: 0 !important;
-  left: 0 !important;
-  width: 100% !important;
-  height: 100% !important;
   pointer-events: none !important;
   z-index: 2147483647 !important;
   white-space: normal;
@@ -15,7 +11,6 @@
    base absolute host rule. */
 :host(.vsc-fullscreen-popover) {
   position: fixed !important;
-  inset: auto !important;
   margin: 0 !important;
   padding: 0 !important;
   border: 0 !important;

extension/manifest.json

@@ -1,7 +1,7 @@
 {
   "name": "Speeder",
   "short_name": "Speeder",
-  "version": "6.0.6.0",
+  "version": "6.0.8.2",
   "manifest_version": 2,
   "description": "Speed up, slow down, advance and rewind HTML5 audio/video with shortcuts (New and improved version of \"Video Speed Controller\")",
   "homepage_url": "https://github.com/SoPat712/speeder",
@@ -71,7 +71,6 @@
     }
   ],
   "web_accessible_resources": [
-    "content/inject.css",
     "content/shadow-bridge.js",
     "content/shadow.css"
   ]

extension/options/options.html

@@ -1029,6 +1029,7 @@
             <button id="restore">Restore Defaults</button>
             <button id="exportSettings">Export Settings</button>
             <button id="importSettings">Import Settings</button>
+            <button id="copyDiagnostics">Copy Diagnostics</button>
           </div>
 
           <div id="status" role="status" aria-live="polite"></div>

extension/options/options.js

@@ -2104,6 +2104,41 @@ document.addEventListener("DOMContentLoaded", function () {
     .addEventListener("change", updatePopupEditorDisabledState);
 
   document.getElementById("save").addEventListener("click", save_options);
+  document.getElementById("copyDiagnostics").addEventListener("click", function () {
+    var status = document.getElementById("status");
+    if (
+      !navigator.clipboard ||
+      typeof navigator.clipboard.writeText !== "function"
+    ) {
+      status.textContent = "Clipboard access is unavailable.";
+      return;
+    }
+    var report = popupControlUtils.buildDiagnosticReport({
+      speederVersion: manifest.version,
+      browser: navigator.userAgent,
+      platform: navigator.platform || null,
+      storage: {
+        enabled: document.getElementById("enabled").checked,
+        rememberSpeed: document.getElementById("rememberSpeed").checked,
+        forceLastSavedSpeed:
+          document.getElementById("forceLastSavedSpeed").checked,
+        audioBoolean: document.getElementById("audioBoolean").checked,
+        startHidden: document.getElementById("startHidden").checked,
+        hideWithControls: document.getElementById("hideWithControls").checked,
+        controllerLocation: document.getElementById("controllerLocation").value,
+        shortcutTargetMode:
+          document.getElementById("shortcutTargetMode").value
+      }
+    });
+    navigator.clipboard.writeText(report).then(
+      function() {
+        status.textContent = "Diagnostics copied. Review before sharing.";
+      },
+      function() {
+        status.textContent = "Could not copy diagnostics.";
+      }
+    );
+  });
   
   const addSelector = document.getElementById("addShortcutSelector");
   if (addSelector) {

extension/popup/popup.css

@@ -86,8 +86,13 @@ button:active {
 
 button:focus-visible {
   outline: 2px solid var(--focus-ring);
-  outline-offset: 2px;
-}
+  outline-offset: 2px;
+}
+
+button:disabled {
+  cursor: not-allowed;
+  opacity: 0.55;
+}
 
 #refresh {
   background: var(--accent);
@@ -113,6 +118,12 @@ button:focus-visible {
   border-color: #9fbd98;
   color: #285d21;
 }
+
+#pauseTab[aria-pressed="true"] {
+  background: #fff3d6;
+  border-color: #d8b66b;
+  color: #704f0d;
+}
 
 .popup-divider {
   height: 1px;

extension/popup/popup.html

@@ -24,6 +24,12 @@
           type="button"
           aria-pressed="false"
         >Force last saved speed</button>
+        <button
+          id="pauseTab"
+          class="popup-compact-action"
+          type="button"
+          aria-pressed="false"
+        >Pause on this tab</button>
         <div class="popup-divider"></div>
         <div id="popupControlBar" class="popup-control-bar">
           <span id="popupSpeed" class="popup-speed">1.00</span>
@@ -41,6 +47,8 @@
       <div class="popup-links">
         <button id="config">Settings</button>
         <div class="popup-secondary">
+          <button id="addSiteRule" class="secondary">Add current site</button>
+          <button id="copyDiagnostics" class="secondary">Copy diagnostics</button>
           <button id="feedback" class="secondary">Feedback</button>
           <button id="about" class="secondary">About</button>
         </div>

extension/popup/popup.js

@@ -1,4 +1,6 @@
 document.addEventListener("DOMContentLoaded", function () {
+  if (window.vscPopupInitialized) return;
+  window.vscPopupInitialized = true;
   var speederShared =
     typeof SpeederShared === "object" && SpeederShared ? SpeederShared : {};
   var siteRuleUtils = speederShared.siteRules || {};
@@ -29,6 +31,61 @@ document.addEventListener("DOMContentLoaded", function () {
   var forceLastSavedSpeedControlledBySiteRule = null;
   var selectedFrameToken = null;
   var shortcutTargetMode = "closest";
+  var diagnosticContext = null;
+
+  function updateTabPauseButton(paused) {
+    var button = document.querySelector("#pauseTab");
+    button.setAttribute("aria-pressed", paused ? "true" : "false");
+    button.textContent = paused ? "Resume on this tab" : "Pause on this tab";
+  }
+
+  function getTabPauseState(tab, callback) {
+    if (!tab || !Number.isInteger(tab.id)) {
+      callback(false);
+      return;
+    }
+    chrome.runtime.sendMessage(
+      { action: "get_tab_pause_state", tabId: tab.id },
+      function(response) {
+        callback(
+          !chrome.runtime.lastError && response && response.paused === true
+        );
+      }
+    );
+  }
+
+  function getCurrentSiteRuleDetails(url) {
+    try {
+      var parsed = new URL(url);
+      if (
+        (parsed.protocol !== "http:" && parsed.protocol !== "https:") ||
+        !parsed.host
+      ) {
+        return null;
+      }
+      return {
+        title: parsed.host,
+        pattern: parsed.protocol + "//" + parsed.host
+      };
+    } catch (_error) {
+      return null;
+    }
+  }
+
+  function buildDiagnosticReport() {
+    if (!diagnosticContext) return null;
+    return popupControlUtils.buildDiagnosticReport({
+      speederVersion: chrome.runtime.getManifest().version,
+      browser: navigator.userAgent,
+      platform: navigator.platform || null,
+      url: diagnosticContext.url,
+      storage: diagnosticContext.storage,
+      siteRule: diagnosticContext.siteRule,
+      siteRuleDisabled: isSiteRuleDisabled(diagnosticContext.siteRule),
+      tabPaused: diagnosticContext.tabPaused,
+      frame: diagnosticContext.frame
+    });
+  }
 
   function persistExpandedSettings(rawStorage, settings, callback) {
     var mutation = vscBuildManagedStorageMutation(rawStorage, settings);
@@ -125,16 +182,23 @@ document.addEventListener("DOMContentLoaded", function () {
   }
 
   function getActiveTabContext(callback) {
+    function finish(context) {
+      getTabPauseState(context.tab, function(paused) {
+        context.tabPaused = paused;
+        if (callback) callback(context);
+      });
+    }
+
     chrome.tabs.query({ active: true, currentWindow: true }, function (tabs) {
       var activeTab = tabs && tabs[0] ? tabs[0] : null;
       if (!activeTab || !activeTab.id) {
-        if (callback) callback({ tab: null, url: "" });
+        finish({ tab: null, url: "" });
         return;
       }
 
       var tabUrl = typeof activeTab.url === "string" ? activeTab.url : "";
       if (tabUrl.length > 0) {
-        if (callback) callback({ tab: activeTab, url: tabUrl });
+        finish({ tab: activeTab, url: tabUrl });
         return;
       }
 
@@ -143,13 +207,13 @@ document.addEventListener("DOMContentLoaded", function () {
         { action: "get_page_context" },
         function (response) {
           if (chrome.runtime.lastError) {
-            if (callback) callback({ tab: activeTab, url: "" });
+            finish({ tab: activeTab, url: "" });
             return;
           }
 
           var pageUrl =
             response && typeof response.url === "string" ? response.url : "";
-          if (callback) callback({ tab: activeTab, url: pageUrl });
+          finish({ tab: activeTab, url: pageUrl });
         }
       );
     });
@@ -288,6 +352,104 @@ document.addEventListener("DOMContentLoaded", function () {
     window.open("https://github.com/SoPat712/Speeder/issues");
   });
 
+  document.querySelector("#copyDiagnostics").addEventListener("click", function () {
+    var report = buildDiagnosticReport();
+    if (!report) {
+      setStatusMessage("Diagnostics are still loading.");
+      return;
+    }
+    if (!navigator.clipboard || typeof navigator.clipboard.writeText !== "function") {
+      setStatusMessage("Clipboard access is unavailable.");
+      return;
+    }
+    navigator.clipboard.writeText(report).then(
+      function () {
+        setStatusMessage("Diagnostics copied. Review before sharing.");
+      },
+      function () {
+        setStatusMessage("Could not copy diagnostics.");
+      }
+    );
+  });
+
+  document.querySelector("#addSiteRule").addEventListener("click", function () {
+    var details = diagnosticContext
+      ? getCurrentSiteRuleDetails(diagnosticContext.url)
+      : null;
+    if (!details) {
+      setStatusMessage("A site rule cannot be created for this page.");
+      return;
+    }
+    var added = false;
+
+    updateStoredSettings(
+      function (settings) {
+        var rules = Array.isArray(settings.siteRules) ? settings.siteRules : [];
+        if (
+          rules.some(function(rule) {
+            return rule && rule.pattern === details.pattern;
+          })
+        ) {
+          return;
+        }
+        settings.siteRules = rules.concat([
+          {
+            title: details.title,
+            pattern: details.pattern,
+            enabled: true
+          }
+        ]);
+        added = true;
+      },
+      function (error) {
+        if (error) {
+          setStatusMessage("Could not add this site: " + error.message);
+          return;
+        }
+        setStatusMessage(
+          added
+            ? "Site rule added. Opening settings..."
+            : "Site rule already exists. Opening settings..."
+        );
+        window.open(chrome.runtime.getURL("options/options.html"));
+      }
+    );
+  });
+
+  document.querySelector("#pauseTab").addEventListener("click", function () {
+    var tab = diagnosticContext && diagnosticContext.tab;
+    if (!tab || !Number.isInteger(tab.id)) {
+      setStatusMessage("This page cannot be paused.");
+      return;
+    }
+    var button = this;
+    var paused = button.getAttribute("aria-pressed") !== "true";
+    button.disabled = true;
+    chrome.runtime.sendMessage(
+      { action: "set_tab_paused", tabId: tab.id, paused: paused },
+      function(response) {
+        button.disabled = false;
+        if (chrome.runtime.lastError || !response) {
+          setStatusMessage("Could not update this tab.");
+          return;
+        }
+        diagnosticContext.tabPaused = response.paused === true;
+        updateTabPauseButton(diagnosticContext.tabPaused);
+        setControlBarVisible(
+          !diagnosticContext.tabPaused &&
+            diagnosticContext.siteAvailable &&
+            diagnosticContext.showBar
+        );
+        setForceButtonLoading(diagnosticContext.tabPaused);
+        setStatusMessage(
+          diagnosticContext.tabPaused
+            ? "Speeder is paused for this tab."
+            : "Speeder resumed for this tab."
+        );
+      }
+    );
+  });
+
   document.querySelector("#donate").addEventListener("click", function () {
     this.classList.add("hide");
     document.querySelector("#donateOptions").classList.remove("hide");
@@ -400,6 +562,9 @@ document.addEventListener("DOMContentLoaded", function () {
         getActiveTabContext(function (context) {
           if (currentRenderToken !== renderToken) return;
 
+          var tabPaused = context && context.tabPaused === true;
+          updateTabPauseButton(tabPaused);
+
           var url = context && context.url ? context.url : "";
           var siteRule = matchSiteRule(url, storage.siteRules);
           var siteDisabled = isSiteRuleDisabled(siteRule);
@@ -419,9 +584,22 @@ document.addEventListener("DOMContentLoaded", function () {
             forceLastSavedSpeedControlledBySiteRule
               ? siteRule.forceLastSavedSpeed === true
               : storage.forceLastSavedSpeed === true;
+          diagnosticContext = {
+            tab: context && context.tab,
+            url: url,
+            storage: storage,
+            siteRule: siteRule,
+            frame: null,
+            tabPaused: tabPaused,
+            siteAvailable: siteAvailable,
+            showBar: showBar
+          };
+          document.querySelector("#addSiteRule").disabled =
+            !getCurrentSiteRuleDetails(url);
 
           if (siteRule && siteRule.showPopupControlBar !== undefined) {
             showBar = siteRule.showPopupControlBar;
+            diagnosticContext.showBar = showBar;
           }
 
           toggleEnabledUI(storage.enabled !== false);
@@ -430,7 +608,13 @@ document.addEventListener("DOMContentLoaded", function () {
             resolvePopupButtons(storage, siteRule),
             customIconsMap
           );
-          setControlBarVisible(siteAvailable && showBar);
+          setControlBarVisible(!tabPaused && siteAvailable && showBar);
+
+          if (tabPaused) {
+            setForceButtonLoading(true);
+            setStatusMessage("Speeder is paused for this tab.");
+            return;
+          }
 
           if (siteDisabled) {
             setForceButtonLoading(false);
@@ -443,6 +627,7 @@ document.addEventListener("DOMContentLoaded", function () {
           if (siteAvailable) {
             querySpeed(function(frameContext) {
               if (currentRenderToken !== renderToken) return;
+              diagnosticContext.frame = frameContext || null;
               if (
                 frameContext &&
                 typeof frameContext.forceLastSavedSpeed === "boolean"

extension/shared/import-export.js

@@ -28,6 +28,8 @@
     "popupControllerButtons",
     "popupMatchHoverControls",
     "rememberSpeed",
+    "shortcutTargetMode",
+    "showAmbientLoopControls",
     "showPopupControlBar",
     "siteRules",
     "siteRulesFormat",

extension/shared/popup-controls.js

@@ -71,6 +71,9 @@
       if (typeof result.frameToken === "string") {
         normalized.frameToken = result.frameToken;
       }
+      if (result.diagnostics && typeof result.diagnostics === "object") {
+        normalized.diagnostics = result.diagnostics;
+      }
       if (typeof result.forceLastSavedSpeed === "boolean") {
         normalized.forceLastSavedSpeed = result.forceLastSavedSpeed;
       }
@@ -94,7 +97,61 @@
     return fallback;
   }
 
+  function getSafePageDetails(url) {
+    try {
+      var parsed = new URL(url);
+      return {
+        protocol: parsed.protocol,
+        hostname: parsed.hostname || null
+      };
+    } catch (_error) {
+      return { protocol: null, hostname: null };
+    }
+  }
+
+  function buildDiagnosticReport(context) {
+    var config = context || {};
+    var storage = config.storage || {};
+    var siteRule = config.siteRule || null;
+    var frame = config.frame || null;
+
+    return JSON.stringify(
+      {
+        speederVersion: config.speederVersion || null,
+        browser: config.browser || null,
+        platform: config.platform || null,
+        page: getSafePageDetails(config.url),
+        globalSettings: {
+          enabled: storage.enabled !== false,
+          rememberSpeed: storage.rememberSpeed === true,
+          forceLastSavedSpeed: storage.forceLastSavedSpeed === true,
+          audioEnabled: storage.audioBoolean === true,
+          startHidden: storage.startHidden === true,
+          hideWithControls: storage.hideWithControls === true,
+          controllerLocation: storage.controllerLocation,
+          shortcutTargetMode: storage.shortcutTargetMode
+        },
+        matchedSiteRule: {
+          matched: Boolean(siteRule),
+          disabled: config.siteRuleDisabled === true,
+          overrideKeys: siteRule
+            ? Object.keys(siteRule)
+                .filter(function(key) {
+                  return key !== "pattern" && key !== "title";
+                })
+                .sort()
+            : []
+        },
+        tabPaused: config.tabPaused === true,
+        frame: frame && frame.diagnostics ? frame.diagnostics : null
+      },
+      null,
+      2
+    );
+  }
+
   return {
+    buildDiagnosticReport: buildDiagnosticReport,
     pickBestFrameSpeedResult: pickBestFrameSpeedResult,
     resolvePopupButtons: resolvePopupButtons,
     sanitizeButtonOrder: sanitizeButtonOrder

extension/shared/ui-icons.js

@@ -72,22 +72,26 @@ function vscClearElement(el) {
 function vscSanitizeSvgTree(svg) {
   if (!svg || String(svg.tagName).toLowerCase() !== "svg") return null;
 
-  svg.querySelectorAll("script, style, foreignObject").forEach(function (n) {
-    n.remove();
-  });
+  svg
+    .querySelectorAll(
+      "script, style, foreignObject, iframe, object, embed, image, use, a, " +
+        "animate, animateMotion, animateTransform, set"
+    )
+    .forEach(function (n) {
+      n.remove();
+    });
 
   [svg].concat(Array.from(svg.querySelectorAll("*"))).forEach(function (el) {
     for (var i = el.attributes.length - 1; i >= 0; i--) {
       var attr = el.attributes[i];
       var name = attr.name.toLowerCase();
       var val = attr.value;
-      if (name.indexOf("on") === 0) {
-        el.removeAttribute(attr.name);
-        continue;
-      }
       if (
-        (name === "href" || name === "xlink:href") &&
-        /^\s*javascript:/i.test(val)
+        name.indexOf("on") === 0 ||
+        name === "style" ||
+        name === "href" ||
+        name === "xlink:href" ||
+        /url\s*\(/i.test(val)
       ) {
         el.removeAttribute(attr.name);
       }

package-lock.json

@@ -7,7 +7,7 @@
       "name": "speeder",
       "devDependencies": {
         "jsdom": "^26.1.0",
-        "vitest": "^3.2.4"
+        "vitest": "^3.2.7"
       }
     },
     "node_modules/@asamuzakjp/css-color": {
@@ -140,9 +140,9 @@
       }
     },
     "node_modules/@esbuild/aix-ppc64": {
-      "version": "0.27.7",
-      "resolved": "https://registry.npmjs.org/@esbuild/aix-ppc64/-/aix-ppc64-0.27.7.tgz",
-      "integrity": "sha512-EKX3Qwmhz1eMdEJokhALr0YiD0lhQNwDqkPYyPhiSwKrh7/4KRjQc04sZ8db+5DVVnZ1LmbNDI1uAMPEUBnQPg==",
+      "version": "0.28.2",
+      "resolved": "https://registry.npmjs.org/@esbuild/aix-ppc64/-/aix-ppc64-0.28.2.tgz",
+      "integrity": "sha512-XExcO+dvLKvVtNTibSTBej1NCAbaGhWn9Ww1ZPx80qsahhPFe/8jgWP0IchNe0F3HwkU7n8ejhH8bjonqht8mQ==",
       "cpu": [
         "ppc64"
       ],
@@ -157,9 +157,9 @@
       }
     },
     "node_modules/@esbuild/android-arm": {
-      "version": "0.27.7",
-      "resolved": "https://registry.npmjs.org/@esbuild/android-arm/-/android-arm-0.27.7.tgz",
-      "integrity": "sha512-jbPXvB4Yj2yBV7HUfE2KHe4GJX51QplCN1pGbYjvsyCZbQmies29EoJbkEc+vYuU5o45AfQn37vZlyXy4YJ8RQ==",
+      "version": "0.28.2",
+      "resolved": "https://registry.npmjs.org/@esbuild/android-arm/-/android-arm-0.28.2.tgz",
+      "integrity": "sha512-kXXoiPVVGQcnIYGOeaovwOURpniDBpSq4A03qkQ+BMQqtGG6HYap3xne9C1O1yo4TR3qxlCX5IqqmX6fFo2Lqg==",
       "cpu": [
         "arm"
       ],
@@ -174,9 +174,9 @@
       }
     },
     "node_modules/@esbuild/android-arm64": {
-      "version": "0.27.7",
-      "resolved": "https://registry.npmjs.org/@esbuild/android-arm64/-/android-arm64-0.27.7.tgz",
-      "integrity": "sha512-62dPZHpIXzvChfvfLJow3q5dDtiNMkwiRzPylSCfriLvZeq0a1bWChrGx/BbUbPwOrsWKMn8idSllklzBy+dgQ==",
+      "version": "0.28.2",
+      "resolved": "https://registry.npmjs.org/@esbuild/android-arm64/-/android-arm64-0.28.2.tgz",
+      "integrity": "sha512-5YfKeeI8qWfBZIX+u2xZC3Zlb3Os/gLS2sbEKM+I4ZOcsWmHS2WLysCcQZDAFRslDUU5Oiq44gf6PYN1vGwG5A==",
       "cpu": [
         "arm64"
       ],
@@ -191,9 +191,9 @@
       }
     },
     "node_modules/@esbuild/android-x64": {
-      "version": "0.27.7",
-      "resolved": "https://registry.npmjs.org/@esbuild/android-x64/-/android-x64-0.27.7.tgz",
-      "integrity": "sha512-x5VpMODneVDb70PYV2VQOmIUUiBtY3D3mPBG8NxVk5CogneYhkR7MmM3yR/uMdITLrC1ml/NV1rj4bMJuy9MCg==",
+      "version": "0.28.2",
+      "resolved": "https://registry.npmjs.org/@esbuild/android-x64/-/android-x64-0.28.2.tgz",
+      "integrity": "sha512-O387ite7SzUyCcy3JQX4P4bLtEA7bLLkx+esve5JHnyYfNTxcVpXZo9jhdB0lTKN44gztELTdU7nS8Nr16Fs1Q==",
       "cpu": [
         "x64"
       ],
@@ -208,9 +208,9 @@
       }
     },
     "node_modules/@esbuild/darwin-arm64": {
-      "version": "0.27.7",
-      "resolved": "https://registry.npmjs.org/@esbuild/darwin-arm64/-/darwin-arm64-0.27.7.tgz",
-      "integrity": "sha512-5lckdqeuBPlKUwvoCXIgI2D9/ABmPq3Rdp7IfL70393YgaASt7tbju3Ac+ePVi3KDH6N2RqePfHnXkaDtY9fkw==",
+      "version": "0.28.2",
+      "resolved": "https://registry.npmjs.org/@esbuild/darwin-arm64/-/darwin-arm64-0.28.2.tgz",
+      "integrity": "sha512-n4KqkOQrraxHJcgjM1RvwbigfQKIKJVpM7xp+KsxiyUSrRdIXnt73VhrPAx0fV44hgfmIVKjxMN9J1t5jySVkw==",
       "cpu": [
         "arm64"
       ],
@@ -225,9 +225,9 @@
       }
     },
     "node_modules/@esbuild/darwin-x64": {
-      "version": "0.27.7",
-      "resolved": "https://registry.npmjs.org/@esbuild/darwin-x64/-/darwin-x64-0.27.7.tgz",
-      "integrity": "sha512-rYnXrKcXuT7Z+WL5K980jVFdvVKhCHhUwid+dDYQpH+qu+TefcomiMAJpIiC2EM3Rjtq0sO3StMV/+3w3MyyqQ==",
+      "version": "0.28.2",
+      "resolved": "https://registry.npmjs.org/@esbuild/darwin-x64/-/darwin-x64-0.28.2.tgz",
+      "integrity": "sha512-uq6suIWYP37qzGddBKPw5QEQPi6HiLGsO7UmkpfyaYNQ3D+rN6w6WfwH+nuqcGXWvawGwxOEroO4YGnFh95azw==",
       "cpu": [
         "x64"
       ],
@@ -242,9 +242,9 @@
       }
     },
     "node_modules/@esbuild/freebsd-arm64": {
-      "version": "0.27.7",
-      "resolved": "https://registry.npmjs.org/@esbuild/freebsd-arm64/-/freebsd-arm64-0.27.7.tgz",
-      "integrity": "sha512-B48PqeCsEgOtzME2GbNM2roU29AMTuOIN91dsMO30t+Ydis3z/3Ngoj5hhnsOSSwNzS+6JppqWsuhTp6E82l2w==",
+      "version": "0.28.2",
+      "resolved": "https://registry.npmjs.org/@esbuild/freebsd-arm64/-/freebsd-arm64-0.28.2.tgz",
+      "integrity": "sha512-n+I0BTSRIoy+d6RPKnEVwql5UwBJolytvY4mAOIEJorKlqgPII8ix6slVVrfZ5Tnj7glIZvloylbB/EJPMWEXw==",
       "cpu": [
         "arm64"
       ],
@@ -259,9 +259,9 @@
       }
     },
     "node_modules/@esbuild/freebsd-x64": {
-      "version": "0.27.7",
-      "resolved": "https://registry.npmjs.org/@esbuild/freebsd-x64/-/freebsd-x64-0.27.7.tgz",
-      "integrity": "sha512-jOBDK5XEjA4m5IJK3bpAQF9/Lelu/Z9ZcdhTRLf4cajlB+8VEhFFRjWgfy3M1O4rO2GQ/b2dLwCUGpiF/eATNQ==",
+      "version": "0.28.2",
+      "resolved": "https://registry.npmjs.org/@esbuild/freebsd-x64/-/freebsd-x64-0.28.2.tgz",
+      "integrity": "sha512-78XJTJkvPs0kz2w61301PJjXl4g7q3JqiYMZ/M/yVI73EHBrCRTgkhu9oqG7vPqq+a/yadEW8aD+agKlk5xrmg==",
       "cpu": [
         "x64"
       ],
@@ -276,9 +276,9 @@
       }
     },
     "node_modules/@esbuild/linux-arm": {
-      "version": "0.27.7",
-      "resolved": "https://registry.npmjs.org/@esbuild/linux-arm/-/linux-arm-0.27.7.tgz",
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+        "@vitest/utils": "3.2.7",
         "pathe": "^2.0.3",
         "strip-literal": "^3.0.0"
       },
@@ -1075,13 +1036,13 @@
       }
     },
     "node_modules/@vitest/snapshot": {
-      "version": "3.2.4",
-      "resolved": "https://registry.npmjs.org/@vitest/snapshot/-/snapshot-3.2.4.tgz",
-      "integrity": "sha512-dEYtS7qQP2CjU27QBC5oUOxLE/v5eLkGqPE0ZKEIDGMs4vKWe7IjgLOeauHsR0D5YuuycGRO5oSRXnwnmA78fQ==",
+      "version": "3.2.7",
+      "resolved": "https://registry.npmjs.org/@vitest/snapshot/-/snapshot-3.2.7.tgz",
+      "integrity": "sha512-7C+MwShwtBSI5Buwoyg3s/iY1eHL9PKAf+O1wVh/TdnjXUtkoL/9YQtre90i4MtNXM6edP1wJ2zOBpfCyhIS7g==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "@vitest/pretty-format": "3.2.4",
+        "@vitest/pretty-format": "3.2.7",
         "magic-string": "^0.30.17",
         "pathe": "^2.0.3"
       },
@@ -1090,9 +1051,9 @@
       }
     },
     "node_modules/@vitest/spy": {
-      "version": "3.2.4",
-      "resolved": "https://registry.npmjs.org/@vitest/spy/-/spy-3.2.4.tgz",
-      "integrity": "sha512-vAfasCOe6AIK70iP5UD11Ac4siNUNJ9i/9PZ3NKx07sG6sUxeag1LWdNrMWeKKYBLlzuK+Gn65Yd5nyL6ds+nw==",
+      "version": "3.2.7",
+      "resolved": "https://registry.npmjs.org/@vitest/spy/-/spy-3.2.7.tgz",
+      "integrity": "sha512-Q2eQGI6d2L/hBtZ0qNuKcAGid68XK6cv1xsoaIma6PaJhHPoqcEJhYpXZ/5myCMqkNgtP6UKuBhbc0nHKnrkuQ==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
@@ -1103,13 +1064,13 @@
       }
     },
     "node_modules/@vitest/utils": {
-      "version": "3.2.4",
-      "resolved": "https://registry.npmjs.org/@vitest/utils/-/utils-3.2.4.tgz",
-      "integrity": "sha512-fB2V0JFrQSMsCo9HiSq3Ezpdv4iYaXRG1Sx8edX3MwxfyNn83mKiGzOcH+Fkxt4MHxr3y42fQi1oeAInqgX2QA==",
+      "version": "3.2.7",
+      "resolved": "https://registry.npmjs.org/@vitest/utils/-/utils-3.2.7.tgz",
+      "integrity": "sha512-x6BDOd7dyo3PFLY3I9/HJ25X/6OurhGXk2/B9gOZNPF7XDVjeBK4k01lQE5uvDpbuheErh91qYuE1E2OEjK3Rw==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "@vitest/pretty-format": "3.2.4",
+        "@vitest/pretty-format": "3.2.7",
         "loupe": "^3.1.4",
         "tinyrainbow": "^2.0.0"
       },
@@ -1258,9 +1219,9 @@
       "license": "MIT"
     },
     "node_modules/esbuild": {
-      "version": "0.27.7",
-      "resolved": "https://registry.npmjs.org/esbuild/-/esbuild-0.27.7.tgz",
-      "integrity": "sha512-IxpibTjyVnmrIQo5aqNpCgoACA/dTKLTlhMHihVHhdkxKyPO1uBBthumT0rdHmcsk9uMonIWS0m4FljWzILh3w==",
+      "version": "0.28.2",
+      "resolved": "https://registry.npmjs.org/esbuild/-/esbuild-0.28.2.tgz",
+      "integrity": "sha512-HKVLS8dvII+xoKW9kmqxbRKrnWEXfJJr/FZhhJmiqIB0e053QNYFqOBouTMO/k5sID4MvCiUCvv8b9M4h32wIA==",
       "dev": true,
       "hasInstallScript": true,
       "license": "MIT",
@@ -1271,32 +1232,32 @@
         "node": ">=18"
       },
       "optionalDependencies": {
-        "@esbuild/aix-ppc64": "0.27.7",
-        "@esbuild/android-arm": "0.27.7",
-        "@esbuild/android-arm64": "0.27.7",
-        "@esbuild/android-x64": "0.27.7",
-        "@esbuild/darwin-arm64": "0.27.7",
-        "@esbuild/darwin-x64": "0.27.7",
-        "@esbuild/freebsd-arm64": "0.27.7",
-        "@esbuild/freebsd-x64": "0.27.7",
-        "@esbuild/linux-arm": "0.27.7",
-        "@esbuild/linux-arm64": "0.27.7",
-        "@esbuild/linux-ia32": "0.27.7",
-        "@esbuild/linux-loong64": "0.27.7",
-        "@esbuild/linux-mips64el": "0.27.7",
-        "@esbuild/linux-ppc64": "0.27.7",
-        "@esbuild/linux-riscv64": "0.27.7",
-        "@esbuild/linux-s390x": "0.27.7",
-        "@esbuild/linux-x64": "0.27.7",
-        "@esbuild/netbsd-arm64": "0.27.7",
-        "@esbuild/netbsd-x64": "0.27.7",
-        "@esbuild/openbsd-arm64": "0.27.7",
-        "@esbuild/openbsd-x64": "0.27.7",
-        "@esbuild/openharmony-arm64": "0.27.7",
-        "@esbuild/sunos-x64": "0.27.7",
-        "@esbuild/win32-arm64": "0.27.7",
-        "@esbuild/win32-ia32": "0.27.7",
-        "@esbuild/win32-x64": "0.27.7"
+        "@esbuild/aix-ppc64": "0.28.2",
+        "@esbuild/android-arm": "0.28.2",
+        "@esbuild/android-arm64": "0.28.2",
+        "@esbuild/android-x64": "0.28.2",
+        "@esbuild/darwin-arm64": "0.28.2",
+        "@esbuild/darwin-x64": "0.28.2",
+        "@esbuild/freebsd-arm64": "0.28.2",
+        "@esbuild/freebsd-x64": "0.28.2",
+        "@esbuild/linux-arm": "0.28.2",
+        "@esbuild/linux-arm64": "0.28.2",
+        "@esbuild/linux-ia32": "0.28.2",
+        "@esbuild/linux-loong64": "0.28.2",
+        "@esbuild/linux-mips64el": "0.28.2",
+        "@esbuild/linux-ppc64": "0.28.2",
+        "@esbuild/linux-riscv64": "0.28.2",
+        "@esbuild/linux-s390x": "0.28.2",
+        "@esbuild/linux-x64": "0.28.2",
+        "@esbuild/netbsd-arm64": "0.28.2",
+        "@esbuild/netbsd-x64": "0.28.2",
+        "@esbuild/openbsd-arm64": "0.28.2",
+        "@esbuild/openbsd-x64": "0.28.2",
+        "@esbuild/openharmony-arm64": "0.28.2",
+        "@esbuild/sunos-x64": "0.28.2",
+        "@esbuild/win32-arm64": "0.28.2",
+        "@esbuild/win32-ia32": "0.28.2",
+        "@esbuild/win32-x64": "0.28.2"
       }
     },
     "node_modules/estree-walker": {
@@ -1492,9 +1453,9 @@
       "license": "MIT"
     },
     "node_modules/nanoid": {
-      "version": "3.3.11",
-      "resolved": "https://registry.npmjs.org/nanoid/-/nanoid-3.3.11.tgz",
-      "integrity": "sha512-N8SpfPUnUp1bK+PMYW8qSWdl9U+wwNWI4QKxOYDy9JAro3WMX7p2OeVRF9v+347pnakNevPmiHhNmZ2HbFA76w==",
+      "version": "3.3.18",
+      "resolved": "https://registry.npmjs.org/nanoid/-/nanoid-3.3.18.tgz",
+      "integrity": "sha512-DTg4MJbGMWkfi6VZFdNt2/caMbQy4Ou+Op/hJQvGEWcnVfoA1QA+xzRKAzw9jD6+GVOOeYr/mIcuDSdug6F6+w==",
       "dev": true,
       "funding": [
         {
@@ -1568,9 +1529,9 @@
       }
     },
     "node_modules/postcss": {
-      "version": "8.5.8",
-      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.5.8.tgz",
-      "integrity": "sha512-OW/rX8O/jXnm82Ey1k44pObPtdblfiuWnrd8X7GJ7emImCOstunGbXUpp7HdBrFQX6rJzn3sPT397Wp5aCwCHg==",
+      "version": "8.5.26",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.5.26.tgz",
+      "integrity": "sha512-u82N74LFzG8ca+dD8puPnplTXoGH4fTPpVGuIbt36G3qvNlkvfD0lEAZSxaly3KX8TS/L1A1gsCEmvKmBcVbkQ==",
       "dev": true,
       "funding": [
         {
@@ -1588,7 +1549,7 @@
       ],
       "license": "MIT",
       "dependencies": {
-        "nanoid": "^3.3.11",
+        "nanoid": "^3.3.17",
         "picocolors": "^1.1.1",
         "source-map-js": "^1.2.1"
       },
@@ -1837,13 +1798,13 @@
       }
     },
     "node_modules/vite": {
-      "version": "7.3.1",
-      "resolved": "https://registry.npmjs.org/vite/-/vite-7.3.1.tgz",
-      "integrity": "sha512-w+N7Hifpc3gRjZ63vYBXA56dvvRlNWRczTdmCBBa+CotUzAPf5b7YMdMR/8CQoeYE5LX3W4wj6RYTgonm1b9DA==",
+      "version": "7.3.6",
+      "resolved": "https://registry.npmjs.org/vite/-/vite-7.3.6.tgz",
+      "integrity": "sha512-4XP60spRGjSZFf1qYH+dJIkK2znL3zQfl9KkOV9MkkRR/3Dls0dxaBsQPTloEc5BLXWPL9vsOxopxyKoMmDueg==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "esbuild": "^0.27.0",
+        "esbuild": "^0.27.0 || ^0.28.0",
         "fdir": "^6.5.0",
         "picomatch": "^4.0.3",
         "postcss": "^8.5.6",
@@ -1935,20 +1896,20 @@
       }
     },
     "node_modules/vitest": {
-      "version": "3.2.4",
-      "resolved": "https://registry.npmjs.org/vitest/-/vitest-3.2.4.tgz",
-      "integrity": "sha512-LUCP5ev3GURDysTWiP47wRRUpLKMOfPh+yKTx3kVIEiu5KOMeqzpnYNsKyOoVrULivR8tLcks4+lga33Whn90A==",
+      "version": "3.2.7",
+      "resolved": "https://registry.npmjs.org/vitest/-/vitest-3.2.7.tgz",
+      "integrity": "sha512-KrxIJ62Fd89gfysR4WotlgZABiz2dqFPgqGzX7s+CwsqLFomRH7777ZcrOD6+WVAh7khPQP41A+BKbpcJFrdEg==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
         "@types/chai": "^5.2.2",
-        "@vitest/expect": "3.2.4",
-        "@vitest/mocker": "3.2.4",
-        "@vitest/pretty-format": "^3.2.4",
-        "@vitest/runner": "3.2.4",
-        "@vitest/snapshot": "3.2.4",
-        "@vitest/spy": "3.2.4",
-        "@vitest/utils": "3.2.4",
+        "@vitest/expect": "3.2.7",
+        "@vitest/mocker": "3.2.7",
+        "@vitest/pretty-format": "^3.2.7",
+        "@vitest/runner": "3.2.7",
+        "@vitest/snapshot": "3.2.7",
+        "@vitest/spy": "3.2.7",
+        "@vitest/utils": "3.2.7",
         "chai": "^5.2.0",
         "debug": "^4.4.1",
         "expect-type": "^1.2.1",
@@ -1978,8 +1939,8 @@
         "@edge-runtime/vm": "*",
         "@types/debug": "^4.1.12",
         "@types/node": "^18.0.0 || ^20.0.0 || >=22.0.0",
-        "@vitest/browser": "3.2.4",
-        "@vitest/ui": "3.2.4",
+        "@vitest/browser": "3.2.7",
+        "@vitest/ui": "3.2.7",
         "happy-dom": "*",
         "jsdom": "*"
       },
@@ -2086,9 +2047,9 @@
       }
     },
     "node_modules/ws": {
-      "version": "8.20.0",
-      "resolved": "https://registry.npmjs.org/ws/-/ws-8.20.0.tgz",
-      "integrity": "sha512-sAt8BhgNbzCtgGbt2OxmpuryO63ZoDk/sqaB/znQm94T4fCEsy/yV+7CdC1kJhOU9lboAEU7R3kquuycDoibVA==",
+      "version": "8.21.3",
+      "resolved": "https://registry.npmjs.org/ws/-/ws-8.21.3.tgz",
+      "integrity": "sha512-201TZ/kPWxoPr/OKWjquZR1SWKXcvxdH+e1xrx89b3YbmzLMFCLfnaG1HFIgWzJOEWZ7MvpK++odZufgYR50Rw==",
       "dev": true,
       "license": "MIT",
       "engines": {

package.json

@@ -7,6 +7,6 @@
   },
   "devDependencies": {
     "jsdom": "^26.1.0",
-    "vitest": "^3.2.4"
+    "vitest": "^3.2.7"
   }
 }

scripts/deploy-amo-stable.sh

@@ -45,8 +45,8 @@ validate_semver() {
     echo "Error: empty version." >&2
     return 1
   fi
-  if [[ ! "$s" =~ ^[0-9]+(\.[0-9]+){0,3}(-[0-9A-Za-z.-]+)?(\+[0-9A-Za-z.-]+)?$ ]]; then
-    echo "Error: invalid version (use something like 5.0.4)." >&2
+  if [[ ! "$s" =~ ^[0-9]+(\.[0-9]+){0,3}$ ]]; then
+    echo "Error: Firefox versions must contain only 1-4 numeric parts (for example, 6.0.8.1)." >&2
     return 1
   fi
 }
@@ -59,10 +59,15 @@ fi
 git checkout beta
 git pull origin beta
 
-echo "Current version on beta ($MANIFEST_PATH): $(manifest_version)"
+CURRENT_VERSION="$(manifest_version)"
+echo "Current version on beta ($MANIFEST_PATH): $CURRENT_VERSION"
 read -r -p "Release version for $MANIFEST_PATH + tag (e.g. 5.0.4): " SEMVER_IN
 SEMVER="$(normalize_semver "$SEMVER_IN")"
 validate_semver "$SEMVER"
+if [[ "$SEMVER" == "$CURRENT_VERSION" ]]; then
+  echo "Error: release version must differ from the current manifest version $CURRENT_VERSION." >&2
+  exit 1
+fi
 
 TAG="v${SEMVER}"
 if [[ "$TAG" == *-beta* ]]; then
@@ -70,6 +75,11 @@ if [[ "$TAG" == *-beta* ]]; then
   read -r -p "Continue anyway? [y/N] " w
   [[ "${w:-}" =~ ^[yY](es)?$ ]] || { echo "Aborted."; exit 1; }
 fi
+if git show-ref --verify --quiet "refs/tags/$TAG" ||
+  git ls-remote --exit-code --tags origin "refs/tags/$TAG" >/dev/null 2>&1; then
+  echo "Error: tag $TAG already exists." >&2
+  exit 1
+fi
 
 echo
 echo "This will:"
@@ -87,11 +97,11 @@ git pull origin main
 git merge --squash beta
 bump_manifest "$SEMVER"
 git add -A
-git commit -m "Release $TAG"
+git commit -m "chore(release): prepare $TAG"
 
 git push origin main
 
-git tag -a "$TAG" -m "$TAG"
+git tag -s "$TAG" -m "$TAG"
 git push origin "$TAG"
 
 git checkout dev

scripts/deploy-beta.sh

@@ -1,5 +1,5 @@
 #!/usr/bin/env bash
-# Merge dev → beta, push beta, and push an annotated beta tag (v*-beta*).
+# Merge dev → beta, push beta, and push a signed beta tag (v*-beta*).
 # Triggers .github/workflows/deploy.yml: unlisted AMO sign + GitHub prerelease.
 
 set -euo pipefail
@@ -44,8 +44,8 @@ validate_semver() {
     echo "Error: empty version." >&2
     return 1
   fi
-  if [[ ! "$s" =~ ^[0-9]+(\.[0-9]+){0,3}(-[0-9A-Za-z.-]+)?(\+[0-9A-Za-z.-]+)?$ ]]; then
-    echo "Error: invalid version (use something like 5.0.4 or 5.0.4-beta.1)." >&2
+  if [[ ! "$s" =~ ^[0-9]+(\.[0-9]+){0,3}$ ]]; then
+    echo "Error: Firefox versions must contain only 1-4 numeric parts (for example, 6.0.8.1)." >&2
     return 1
   fi
 }
@@ -58,10 +58,15 @@ fi
 git checkout dev
 git pull origin dev
 
-echo "Current version in $MANIFEST_PATH: $(manifest_version)"
+CURRENT_VERSION="$(manifest_version)"
+echo "Current version in $MANIFEST_PATH: $CURRENT_VERSION"
 read -r -p "New version for $MANIFEST_PATH (e.g. 5.0.4): " SEMVER_IN
 SEMVER="$(normalize_semver "$SEMVER_IN")"
 validate_semver "$SEMVER"
+if [[ "$SEMVER" == "$CURRENT_VERSION" ]]; then
+  echo "Error: release version must differ from the current manifest version $CURRENT_VERSION." >&2
+  exit 1
+fi
 
 echo "Beta git tag will include '-beta' (required by deploy.yml)."
 read -r -p "Beta tag suffix [beta.1]: " SUFFIX_IN
@@ -74,6 +79,11 @@ if [[ "$TAG" != *-beta* ]]; then
   echo "Error: beta tag must contain '-beta' for the workflow (got $TAG). Try suffix like beta.1." >&2
   exit 1
 fi
+if git show-ref --verify --quiet "refs/tags/$TAG" ||
+  git ls-remote --exit-code --tags origin "refs/tags/$TAG" >/dev/null 2>&1; then
+  echo "Error: tag $TAG already exists." >&2
+  exit 1
+fi
 
 echo
 echo "This will:"
@@ -88,7 +98,7 @@ echo "🚀 Releasing beta $TAG"
 
 bump_manifest "$SEMVER"
 git add "$MANIFEST_PATH"
-git commit -m "Bump version to $SEMVER"
+git commit -m "chore(release): bump version to $SEMVER"
 git push origin dev
 
 git checkout beta
@@ -96,7 +106,7 @@ git pull origin beta
 git merge dev --no-ff -m "$TAG"
 git push origin beta
 
-git tag -a "$TAG" -m "$TAG"
+git tag -s "$TAG" -m "$TAG"
 git push origin "$TAG"
 
 git checkout dev

tests/background.spec.js

@@ -33,4 +33,34 @@ describe("background toolbar state", () => {
       }
     });
   });
+
+  it("keeps tab pauses in memory and clears closed tabs", () => {
+    loadHtmlString("<!doctype html><html><body></body></html>");
+    const chrome = createChromeMock();
+    global.chrome = chrome;
+    window.chrome = chrome;
+
+    evaluateScript("extension/background/background.js");
+    const listener = chrome.runtime.onMessage.listeners[0];
+    const respond = vi.fn();
+
+    listener(
+      { action: "set_tab_paused", tabId: 42, paused: true },
+      {},
+      respond
+    );
+    expect(respond).toHaveBeenLastCalledWith({ paused: true });
+    expect(chrome.tabs.sendMessage).toHaveBeenCalledWith(
+      42,
+      { action: "set_tab_paused", paused: true },
+      expect.any(Function)
+    );
+
+    listener({ action: "get_tab_pause_state" }, { tab: { id: 42 } }, respond);
+    expect(respond).toHaveBeenLastCalledWith({ paused: true });
+
+    chrome.tabs.onRemoved.emit(42);
+    listener({ action: "get_tab_pause_state", tabId: 42 }, {}, respond);
+    expect(respond).toHaveBeenLastCalledWith({ paused: false });
+  });
 });

tests/helpers/browser.js

@@ -8,6 +8,7 @@ import { applyJSDOMWindow } from "./jsdom-globals.js";
 const __filename = fileURLToPath(import.meta.url);
 const __dirname = path.dirname(__filename);
 const repoRoot = path.resolve(__dirname, "..", "..");
+let activeDom = null;
 
 function readRepoFile(relPath) {
   return fs.readFileSync(path.join(repoRoot, relPath), "utf8");
@@ -18,11 +19,13 @@ function readRepoFile(relPath) {
  * top-level `const` redeclaration errors (avoids document.write).
  */
 export function loadHtmlString(html, options = {}) {
+  if (activeDom) activeDom.window.close();
   const dom = new JSDOM(html, {
     url: options.url || "https://example.org/",
     pretendToBeVisual: true,
     runScripts: "dangerously"
   });
+  activeDom = dom;
   applyJSDOMWindow(dom.window);
 }
 
@@ -173,7 +176,13 @@ export function createChromeMock(options = {}) {
       getManifest: vi.fn(() => ({
         version: options.manifestVersion || "9.9.9"
       })),
-      getURL: vi.fn((url) => "moz-extension://speeder/" + url)
+      getURL: vi.fn((url) => "moz-extension://speeder/" + url),
+      sendMessage: vi.fn((message, callback) => {
+        if (options.runtimeSendMessageImpl) {
+          return options.runtimeSendMessageImpl(message, callback);
+        }
+        if (callback) callback({ paused: false });
+      })
     },
     storage: {
       sync: syncArea,

tests/helpers/extension-test-utils.js

@@ -4,6 +4,7 @@ const { JSDOM } = require("jsdom");
 const vi = globalThis.vi;
 
 const ROOT = path.resolve(__dirname, "..", "..");
+let activeDom = null;
 
 function clone(value) {
   if (value === undefined) return undefined;
@@ -47,11 +48,13 @@ function applyJSDOMWindow(win) {
 
 function loadHtmlString(html, options) {
   const config = options || {};
+  if (activeDom) activeDom.window.close();
   const dom = new JSDOM(html, {
     url: config.url || "https://example.org/",
     pretendToBeVisual: true,
     runScripts: "dangerously"
   });
+  activeDom = dom;
   applyJSDOMWindow(dom.window);
 }
 
@@ -245,6 +248,7 @@ function createChromeMock(options) {
   const storageOnChanged = createChromeEvent();
   const tabsOnActivated = createChromeEvent();
   const tabsOnUpdated = createChromeEvent();
+  const tabsOnRemoved = createChromeEvent();
   const runtimeOnMessage = createChromeEvent();
 
   const chrome = {
@@ -252,6 +256,12 @@ function createChromeMock(options) {
       lastError: null,
       getManifest: vi.fn(() => clone(config.manifest) || { version: "0.0.0-test" }),
       getURL: vi.fn((relPath) => `moz-extension://${relPath}`),
+      sendMessage: vi.fn((message, callback) => {
+        if (config.runtimeSendMessageImpl) {
+          return config.runtimeSendMessageImpl(message, callback);
+        }
+        if (callback) callback({ paused: false });
+      }),
       onMessage: runtimeOnMessage
     },
     browserAction: {
@@ -272,7 +282,8 @@ function createChromeMock(options) {
       }),
       create: vi.fn(),
       onActivated: tabsOnActivated,
-      onUpdated: tabsOnUpdated
+      onUpdated: tabsOnUpdated,
+      onRemoved: tabsOnRemoved
     },
     storage: {
       onChanged: storageOnChanged,

tests/inject-lifecycle.regression.test.js

@@ -2,7 +2,8 @@ const {
   createChromeMock,
   evaluateScript,
   flushAsyncWork,
-  loadHtmlString
+  loadHtmlString,
+  readWorkspaceFile
 } = require("./helpers/extension-test-utils");
 
 function bootInject(options) {
@@ -280,6 +281,55 @@ describe("inject.js media/controller lifecycle regressions", () => {
     expect(video.vsc.div.style.getPropertyValue("height")).toBe("226px");
   });
 
+  it("keeps measured geometry out of controller stylesheet defaults", () => {
+    [
+      {
+        css: readWorkspaceFile("extension/content/inject.css"),
+        host: /\.vsc-controller\s*\{([^}]*)\}/,
+        fullscreen:
+          /\.vsc-controller\.vsc-fullscreen-popover\s*\{([^}]*)\}/
+      },
+      {
+        css: readWorkspaceFile("extension/content/shadow.css"),
+        host: /:host\s*\{([^}]*)\}/,
+        fullscreen: /:host\(\.vsc-fullscreen-popover\)\s*\{([^}]*)\}/
+      }
+    ].forEach(({ css, host, fullscreen }) => {
+      expect(css.match(host)[1]).not.toMatch(
+        /\b(?:top|left|width|height)\s*:/
+      );
+      expect(css.match(fullscreen)[1]).not.toMatch(/\binset\s*:/);
+    });
+  });
+
+  it("repositions a Shorts controller when playback moves the video on-screen", async () => {
+    vi.useFakeTimers();
+    bootInject({ url: "https://www.youtube.com/shorts/example" });
+    await settleLifecycle();
+
+    const player = document.createElement("div");
+    player.className = "html5-video-player";
+    const video = document.createElement("video");
+    const playerRect = makeRect(40, 64, 351, 624);
+    let videoRect = makeRect(40, -560, 351, 624);
+
+    setRect(player, playerRect);
+    setBoxMetrics(player, playerRect.width, playerRect.height);
+    video.getBoundingClientRect = () => videoRect;
+    video.src = "blob:https://www.youtube.com/shorts";
+    player.appendChild(video);
+    document.body.appendChild(player);
+
+    window.ensureController(video, player);
+    expect(video.vsc.div.style.getPropertyValue("top")).toBe("-624px");
+
+    videoRect = playerRect;
+    video.dispatchEvent(new Event("playing"));
+    await vi.advanceTimersByTimeAsync(0);
+
+    expect(video.vsc.div.style.getPropertyValue("top")).toBe("0px");
+  });
+
   it("targets the controller nearest the pointer unless change-all is selected", async () => {
     bootInject();
     await settleLifecycle();
@@ -292,16 +342,27 @@ describe("inject.js media/controller lifecycle regressions", () => {
       src: "https://example.org/second.mp4",
       mountRect: makeRect(500, 0, 320, 180)
     });
-    setRect(window.getControllerElement(first.controller), makeRect(10, 10, 120, 30));
-    setRect(window.getControllerElement(second.controller), makeRect(510, 10, 120, 30));
+    const firstLayoutRead = vi.fn(() => first.mount.getBoundingClientRect());
+    const secondLayoutRead = vi.fn(() => second.mount.getBoundingClientRect());
+    first.video.getBoundingClientRect = firstLayoutRead;
+    second.video.getBoundingClientRect = secondLayoutRead;
 
     document.dispatchEvent(
       new MouseEvent("mousemove", { bubbles: true, clientX: 600, clientY: 20 })
     );
-    window.runAction("faster", 0.1);
+    document.dispatchEvent(
+      new KeyboardEvent("keydown", {
+        bubbles: true,
+        cancelable: true,
+        code: "KeyD",
+        key: "d"
+      })
+    );
 
     expect(first.video.playbackRate).toBe(1);
     expect(second.video.playbackRate).toBe(1.1);
+    expect(firstLayoutRead).not.toHaveBeenCalled();
+    expect(secondLayoutRead).not.toHaveBeenCalled();
 
     window.tc.settings.shortcutTargetMode = "all";
     window.runAction("faster", 0.1);
@@ -329,6 +390,31 @@ describe("inject.js media/controller lifecycle regressions", () => {
     expect(video.playbackRate).toBe(initialSpeed);
   });
 
+  it("removes and restores controls when this tab is paused", async () => {
+    const chrome = bootInject();
+    await settleLifecycle();
+    const { video } = createControlledVideo();
+    const listener = chrome.runtime.onMessage.listeners[0];
+    const playbackRate = video.playbackRate;
+
+    listener(
+      { action: "set_tab_paused", paused: true },
+      {},
+      vi.fn()
+    );
+    expect(window.tc.tabPaused).toBe(true);
+    expect(video.vsc).toBeUndefined();
+    expect(video.playbackRate).toBe(playbackRate);
+
+    listener(
+      { action: "set_tab_paused", paused: false },
+      {},
+      vi.fn()
+    );
+    expect(window.tc.tabPaused).toBe(false);
+    expect(video.vsc).toBeTruthy();
+  });
+
   it("drops a stale hover-preview shortcut target after SPA navigation", async () => {
     bootInject({
       url: "https://www.youtube.com/",
@@ -590,6 +676,7 @@ describe("inject.js media/controller lifecycle regressions", () => {
       div: wrapper,
       normalControllerMount: normalMount
     };
+    wrapper.showPopover = vi.fn();
     window.setupControllerHostTracking(controller, wrapper, normalMount);
     Object.defineProperty(document, "fullscreenElement", {
       configurable: true,
@@ -598,6 +685,8 @@ describe("inject.js media/controller lifecycle regressions", () => {
 
     window.syncControllerFullscreenMount(controller);
     expect(fullscreenPlayer.contains(wrapper)).toBe(true);
+    expect(wrapper.showPopover).not.toHaveBeenCalled();
+    expect(wrapper.hasAttribute("popover")).toBe(false);
 
     Object.defineProperty(document, "fullscreenElement", {
       configurable: true,
@@ -610,53 +699,26 @@ describe("inject.js media/controller lifecycle regressions", () => {
     controller.controllerHostCleanup();
   });
 
-  it("promotes an ancestor-fullscreen controller into the browser top layer", async () => {
+  it("keeps a visible player-local host when Firefox fullscreens the page root", async () => {
     bootInject();
     await settleLifecycle();
 
-    const fullscreenPlayer = document.createElement("div");
-    const video = document.createElement("video");
-    const wrapper = document.createElement("div");
-    const rect = makeRect(0, 0, 1280, 720);
-
-    fullscreenPlayer.append(video, wrapper);
-    document.body.appendChild(fullscreenPlayer);
-    [fullscreenPlayer, video].forEach((element) => {
-      setRect(element, rect);
-      setBoxMetrics(element, rect.width, rect.height);
-    });
-    wrapper.showPopover = vi.fn();
-    wrapper.hidePopover = vi.fn();
-
-    const controller = {
-      video,
-      div: wrapper,
-      normalControllerMount: fullscreenPlayer
-    };
-    window.setupControllerHostTracking(controller, wrapper, fullscreenPlayer);
+    const { mount, controller, wrapper } = createControlledVideo();
+    setRect(document.documentElement, makeRect(0, 0, 0, 0));
     Object.defineProperty(document, "fullscreenElement", {
       configurable: true,
-      value: fullscreenPlayer
+      value: document.documentElement
     });
 
-    expect(window.syncControllerFullscreenMount(controller)).toBe(true);
-    expect(wrapper.parentNode).toBe(fullscreenPlayer);
-    expect(wrapper.showPopover).toHaveBeenCalledOnce();
-    expect(wrapper.getAttribute("popover")).toBe("manual");
-    expect(wrapper.classList.contains("vsc-fullscreen-popover")).toBe(true);
-
-    Object.defineProperty(document, "fullscreenElement", {
-      configurable: true,
-      value: null
-    });
     window.syncControllerFullscreenMount(controller);
-    expect(wrapper.hidePopover).toHaveBeenCalledOnce();
 
-    wrapper.remove();
-    controller.controllerHostCleanup();
+    expect(wrapper.parentElement).toBe(mount);
+    expect(wrapper.classList.contains("vsc-geometry-hidden")).toBe(false);
+    expect(document.documentElement.style.position).toBe("");
+    expect(document.documentElement.style.isolation).toBe("");
   });
 
-  it("only promotes the controller owned by the fullscreen player", async () => {
+  it("only promotes the directly-fullscreen video's controller", async () => {
     bootInject();
     await settleLifecycle();
 
@@ -680,7 +742,7 @@ describe("inject.js media/controller lifecycle regressions", () => {
 
     Object.defineProperty(document, "fullscreenElement", {
       configurable: true,
-      value: fullscreenPlayer
+      value: fullscreenVideo
     });
     window.syncControllerFullscreenMount(fullscreenVideo.vsc);
     window.syncControllerFullscreenMount(otherVideo.vsc);
@@ -985,9 +1047,13 @@ describe("inject.js media/controller lifecycle regressions", () => {
       videoRect: makeRect(40, 40, 640, 360),
       src: "https://example.org/visible.mp4"
     }).video;
+    const offscreenLayoutRead = vi.spyOn(offscreen, "getBoundingClientRect");
+    const visibleLayoutRead = vi.spyOn(visible, "getBoundingClientRect");
 
     expect(window.getPrimaryVideoElement()).toBe(visible);
     expect(window.getPrimaryVideoElement()).not.toBe(offscreen);
+    expect(offscreenLayoutRead).not.toHaveBeenCalled();
+    expect(visibleLayoutRead).not.toHaveBeenCalled();
   });
 
   it("mounts a controller locally for video directly under an open ShadowRoot", async () => {

tests/lucide-client.spec.js

@@ -29,7 +29,10 @@ describe("lucide-client.js", () => {
       <svg width="10" height="10" onclick="evil()">
         <script>alert(1)</script>
         <foreignObject>bad</foreignObject>
-        <path d="M0 0h10v10"></path>
+        <image href="https://tracking.example/icon.png"></image>
+        <use href="https://tracking.example/sprite.svg#icon"></use>
+        <animate attributeName="opacity" values="0;1"></animate>
+        <path style="fill: url(https://tracking.example/a)" fill="url(#paint)" d="M0 0h10v10"></path>
       </svg>
     `);
 
@@ -37,6 +40,12 @@ describe("lucide-client.js", () => {
     expect(sanitized).not.toContain("onclick");
     expect(sanitized).not.toContain("<script");
     expect(sanitized).not.toContain("foreignObject");
+    expect(sanitized).not.toContain("tracking.example");
+    expect(sanitized).not.toContain("<image");
+    expect(sanitized).not.toContain("<use");
+    expect(sanitized).not.toContain("<animate");
+    expect(sanitized).not.toContain("style=");
+    expect(sanitized).not.toContain("url(");
     expect(sanitized).toContain('width="100%"');
   });
 

tests/options.spec.js

@@ -84,6 +84,42 @@ describe("options.js", () => {
     expect(document.getElementById("status").textContent).toBe("Auto-saved");
   });
 
+  it("copies privacy-safe diagnostics from settings", async () => {
+    bootOptions({
+      syncData: {
+        enabled: false,
+        rememberSpeed: true,
+        siteRules: [
+          {
+            title: "Private account",
+            pattern: "secret.example/private-token",
+            enabled: true
+          }
+        ]
+      }
+    });
+    const writeText = vi.fn(() => Promise.resolve());
+    Object.defineProperty(navigator, "clipboard", {
+      configurable: true,
+      value: { writeText }
+    });
+    await flushAsyncWork(3);
+
+    document.getElementById("copyDiagnostics").click();
+    await flushAsyncWork(3);
+
+    const reportText = writeText.mock.calls[0][0];
+    const report = JSON.parse(reportText);
+    expect(report.globalSettings.enabled).toBe(false);
+    expect(report.globalSettings.rememberSpeed).toBe(true);
+    expect(report.page).toEqual({ protocol: null, hostname: null });
+    expect(report.matchedSiteRule.matched).toBe(false);
+    expect(report.frame).toBeNull();
+    expect(reportText).not.toContain("Private account");
+    expect(reportText).not.toContain("private-token");
+    expect(document.getElementById("status").textContent).toContain("copied");
+  });
+
   it("does not partially save options when a required site shortcut is invalid", async () => {
     const chrome = bootOptions({ syncData: { rememberSpeed: false } });
     await flushAsyncWork(3);

tests/popup.spec.js

@@ -18,6 +18,7 @@ function bootPopup(options) {
     manifest: { version: "9.9.9-test" },
     syncData: config.syncData,
     localData: config.localData,
+    runtimeSendMessageImpl: config.runtimeSendMessageImpl,
     tabsQueryResult: [
       config.activeTab || { id: 99, active: true, url: "https://example.com/" }
     ]
@@ -107,7 +108,7 @@ describe("popup.js", () => {
       executeScriptImpl: (tabId, details, callback) => {
         speedQueryCount += 1;
         callback(
-          speedQueryCount <= 2
+          speedQueryCount === 1
             ? [
                 { speed: 1.25, preferred: false },
                 { speed: 1.5, frameToken: "playing-frame", preferred: true }
@@ -167,6 +168,107 @@ describe("popup.js", () => {
     );
   });
 
+  it("copies redacted diagnostics for the active media frame", async () => {
+    bootPopup({
+      activeTab: {
+        id: 12,
+        active: true,
+        url: "https://video.example/watch?private_token=secret"
+      },
+      executeScriptImpl: (tabId, details, callback) => {
+        callback([
+          {
+            speed: 1.5,
+            preferred: true,
+            diagnostics: {
+              mediaType: "video",
+              fullscreen: { active: true, element: "div", ownsMedia: true },
+              controller: { present: true, hidden: false }
+            }
+          }
+        ]);
+      }
+    });
+    const writeText = vi.fn(() => Promise.resolve());
+    Object.defineProperty(navigator, "clipboard", {
+      configurable: true,
+      value: { writeText }
+    });
+    await flushAsyncWork();
+
+    document.querySelector("#copyDiagnostics").click();
+    await flushAsyncWork();
+
+    expect(writeText).toHaveBeenCalled();
+    const reportText = writeText.mock.calls.at(-1)[0];
+    const report = JSON.parse(reportText);
+    expect(report.page).toEqual({
+      protocol: "https:",
+      hostname: "video.example"
+    });
+    expect(report.frame.mediaType).toBe("video");
+    expect(reportText).not.toContain("private_token");
+    expect(reportText).not.toContain("secret");
+    expect(document.querySelector("#status").textContent).toContain("copied");
+  });
+
+  it("adds one safe origin rule for the current site", async () => {
+    const chrome = bootPopup({
+      activeTab: {
+        id: 18,
+        active: true,
+        url: "https://courses.example:8443/watch/lesson?token=private"
+      }
+    });
+    await flushAsyncWork();
+
+    document.querySelector("#addSiteRule").click();
+    await flushAsyncWork();
+    document.querySelector("#addSiteRule").click();
+    await flushAsyncWork();
+
+    const rules = window.vscExpandStoredSettings(
+      chrome.storage.sync._dump()
+    ).siteRules.filter(function(rule) {
+      return rule.pattern === "https://courses.example:8443";
+    });
+    expect(rules).toEqual([
+      {
+        title: "courses.example:8443",
+        pattern: "https://courses.example:8443",
+        enabled: true
+      }
+    ]);
+    expect(window.open).toHaveBeenCalledWith(
+      "moz-extension://options/options.html"
+    );
+  });
+
+  it("pauses only the active tab for the browser session", async () => {
+    let paused = false;
+    const chrome = bootPopup({
+      runtimeSendMessageImpl: (message, callback) => {
+        if (message.action === "set_tab_paused") paused = message.paused === true;
+        callback({ paused });
+      }
+    });
+    await flushAsyncWork();
+
+    document.querySelector("#pauseTab").click();
+
+    expect(chrome.runtime.sendMessage).toHaveBeenCalledWith(
+      { action: "set_tab_paused", tabId: 99, paused: true },
+      expect.any(Function)
+    );
+    expect(document.querySelector("#pauseTab").textContent).toBe(
+      "Resume on this tab"
+    );
+    expect(document.querySelector("#popupControlBar").style.display).toBe(
+      "none"
+    );
+    expect(document.querySelector("#status").textContent).toContain("paused");
+  });
+
   it("toggles enablement and closes after a successful refresh", async () => {
     const chrome = bootPopup({
       syncData: {

tests/settings-core.spec.js

@@ -89,6 +89,17 @@ describe("canonical settings storage", () => {
     );
   });
 
+  it("keeps every managed setting recognizable in legacy raw backups", () => {
+    evaluateScript("extension/shared/import-export.js");
+    const importExport = window.SpeederShared.importExport;
+
+    window.vscGetManagedSyncKeys().forEach(function (key) {
+      expect(importExport.isRecognizedRawSettingsObject({ [key]: null })).toBe(
+        true
+      );
+    });
+  });
+
   it("provides titles for built-in video rules and round-trips title edits sparsely", () => {
     const settings = window.vscExpandStoredSettings({});
     expect(settings.siteRules.map((rule) => rule.title)).toEqual([

tests/shared.test.js

@@ -241,6 +241,24 @@ describe("shared helpers", () => {
       localSettings: null
     });
 
+    expect(
+      importExportUtils.extractImportSettings({
+        showAmbientLoopControls: true
+      })
+    ).toEqual({
+      isWrappedBackup: false,
+      settings: { showAmbientLoopControls: true },
+      localSettings: null
+    });
+
+    expect(
+      importExportUtils.extractImportSettings({ shortcutTargetMode: "closest" })
+    ).toEqual({
+      isWrappedBackup: false,
+      settings: { shortcutTargetMode: "closest" },
+      localSettings: null
+    });
+
     expect(importExportUtils.isRecognizedRawSettingsObject({ wat: true })).toBe(
       false
     );

vitest.config.js

@@ -4,8 +4,10 @@ module.exports = defineConfig({
   test: {
     environment: "jsdom",
     clearMocks: true,
+    fileParallelism: false,
     globals: true,
     restoreMocks: true,
+    testTimeout: 15000,
     include: ["tests/**/*.test.js", "tests/**/*.spec.js"],
     setupFiles: ["./tests/setup.js"]
   }