allow to mute and unmute tabs and get mute status into tab info

browser_cli/__init__.py

@@ -77,6 +77,7 @@ class BrowserCLI:
             id=data["id"],
             window_id=data.get("windowId", 0),
             active=data.get("active", False),
+            muted=data.get("muted", False),
             title=data.get("title") or "",
             url=data.get("url") or "",
             group_id=data.get("groupId") or None,
@@ -172,6 +173,16 @@ class BrowserCLI:
         """Switch browser focus to a tab by ID."""
         self._cmd("tabs.active", {"tabId": tab_id})
 
+    def tabs_mute(self, tab_id: int | None = None) -> int:
+        """Mute the active tab or a specific tab. Returns the target tab ID."""
+        result = self._cmd("tabs.mute", {"tabId": tab_id})
+        return result.get("tabId", tab_id) if isinstance(result, dict) else int(tab_id or 0)
+
+    def tabs_unmute(self, tab_id: int | None = None) -> int:
+        """Unmute the active tab or a specific tab. Returns the target tab ID."""
+        result = self._cmd("tabs.unmute", {"tabId": tab_id})
+        return result.get("tabId", tab_id) if isinstance(result, dict) else int(tab_id or 0)
+
     def window_active_tab(self, window_id: int) -> Tab:
         """Return active tab for a specific browser window."""
         data = self._cmd("tabs.active_in_window", {"windowId": window_id})