feat(plugins): add source-aware evidence and recording timelines

apps/admin_console/routers/media.py

@@ -115,6 +115,74 @@ async def get_session_video(session_id: str):
 
 
 def _get_session_video_sync(session_id: str):
+    from apps.admin_console.services.evidence_service import plugin_sources
+    from apps.admin_console.services.report_export import session_videos
+
+    legacy = _get_legacy_session_video_sync(session_id)
+    sources = []
+    if legacy.get("video_segments") or legacy.get("video_url"):
+        segments = legacy.get("video_segments") or []
+        # Pauses create sibling resume directories. Only collect files already
+        # attached to this task; unrelated recordings never enter its timeline.
+        if segments and all("offset_ms" in segment for segment in segments):
+            combined = {}
+            for path, _ in session_videos({"id": session_id}):
+                for segment in media_service.resolve_video_segments(
+                    media_service.path_to_video_url(path)
+                ):
+                    if "offset_ms" in segment:
+                        combined[segment["url"]] = segment
+            if combined:
+                segments = sorted(combined.values(), key=lambda segment: segment["offset_ms"])
+        sources.append(
+            {
+                "id": "android",
+                "kind": "android",
+                "label": "安卓",
+                "target_ids": ["android"],
+                "status": "ready",
+                "message": "",
+                "segments": [
+                    {**s, "start": float(s.get("offset_ms", s["start"] * 1000)) / 1000}
+                    for s in segments
+                ],
+                "url": legacy.get("video_url"),
+            }
+        )
+    sources += plugin_sources(session_id)
+    legacy["sources"] = sources
+    legacy["session_timeline"] = any(source["segments"] for source in sources)
+    row = dict(session_repo.get_session_by_id(session_id) or {})
+    legacy["session_duration"] = max(
+        max(
+            0.0,
+            float(row.get("end_time") or row.get("start_time") or 0)
+            - float(row.get("start_time") or 0),
+        ),
+        max(
+            (s["start"] + s["duration"] for source in sources for s in source["segments"]),
+            default=0,
+        ),
+    )
+    ready = next((s for s in sources if s.get("segments") or s.get("url")), None)
+    if ready:
+        legacy.update(
+            status="ready",
+            has_video=True,
+            video_url=ready.get("url") or ready["segments"][0]["url"],
+            video_segments=ready["segments"],
+        )
+    elif any(s.get("status") == "recording" for s in sources):
+        legacy.update(status="processing", retry_after_ms=1000)
+    elif sources:
+        legacy.update(
+            status="failed",
+            message="；".join(str(s.get("message") or "录像不可用") for s in sources),
+        )
+    return legacy
+
+
+def _get_legacy_session_video_sync(session_id: str):
     video_rec_map = session_repo.get_video_recordings_map()
     video_idx = media_service.build_video_index()
     row = session_repo.get_session_by_id(session_id)