feat: support orientation-aware recording and device wakefulness

Roll scrcpy recordings by device rotation and duration, and publish timeline manifests for playback and analysis.

Add seamless segmented playback in the showcase UI and configurable stay-awake strategies for Android automation.

apps/admin_console/services/media_service.py

@@ -127,6 +127,36 @@ class MediaService:
 
         return v_url
 
+    @classmethod
+    def resolve_video_segments(cls, video_url: str | None) -> list[dict[str, Any]]:
+        """Resolve a recording sidecar manifest into browser-safe segment URLs."""
+        if not video_url or not video_url.startswith("/videos/"):
+            return []
+        relative = urllib.parse.unquote(video_url.removeprefix("/videos/"))
+        video_path = (WORKSPACE_ROOT / relative).resolve()
+        manifest_path = video_path.parent / "recording.json"
+        if not manifest_path.is_file():
+            return []
+        try:
+            payload = json.loads(manifest_path.read_text(encoding="utf-8"))
+            segments = []
+            for item in payload.get("segments", []):
+                segment_path = (manifest_path.parent / str(item["file"])).resolve()
+                if segment_path.parent != manifest_path.parent.resolve() or not segment_path.is_file():
+                    continue
+                segments.append(
+                    {
+                        "url": cls.path_to_video_url(segment_path),
+                        "start": float(item.get("start", 0)),
+                        "duration": float(item.get("duration", 0)),
+                        "width": int(item.get("width", 0)),
+                        "height": int(item.get("height", 0)),
+                    }
+                )
+            return segments
+        except (OSError, KeyError, TypeError, ValueError, json.JSONDecodeError):
+            return []
+
     @staticmethod
     def unwrap_payload(obj: Any) -> Any:
         """Unwraps trace payloads, storing base64 images as disk files and