tuning ui and adding adaptive themeing to extension

backend/app/api/downloads.py

@@ -128,6 +128,46 @@ async def retry_download(download_id: int):
         }), 202
 
 
+@bp.route("/recent-activity", methods=["GET"])
+async def recent_activity():
+    """Get recent noteworthy downloads: failures and completions with new files.
+
+    These are downloads that warrant user attention, not routine "no new content" runs.
+    Results are limited to the last 7 days by default.
+    """
+    limit = min(int(request.args.get("limit", 10)), 50)
+    days = int(request.args.get("days", 7))
+
+    from datetime import timedelta
+    cutoff = datetime.utcnow() - timedelta(days=days)
+
+    async with current_app.db_engine.connect() as conn:
+        session = AsyncSession(bind=conn)
+
+        # Get failed downloads OR completed with files (noteworthy activity)
+        from sqlalchemy import or_
+        query = select(Download).where(
+            and_(
+                Download.created_at >= cutoff,
+                or_(
+                    Download.status == DownloadStatus.FAILED,
+                    and_(
+                        Download.status == DownloadStatus.COMPLETED,
+                        Download.file_count > 0
+                    )
+                )
+            )
+        ).order_by(Download.created_at.desc()).limit(limit)
+
+        result = await session.execute(query)
+        downloads = result.scalars().all()
+
+        return jsonify({
+            "items": [d.to_dict() for d in downloads],
+            "count": len(downloads),
+        })
+
+
 @bp.route("/stats", methods=["GET"])
 async def get_stats():
     """Get download statistics."""