add rescan button

backend/app/routers/libraries.py

@@ -47,6 +47,22 @@ async def get_scan_status(library_id: int):
     return {"scanning": scanner.is_scanning(library_id)}
 
 
+@router.post("/{library_id}/rescan")
+async def rescan_library(
+    library_id: int,
+    background_tasks: BackgroundTasks,
+    db: AsyncSession = Depends(get_db),
+):
+    result = await db.execute(select(Library).where(Library.id == library_id))
+    lib = result.scalars().first()
+    if not lib:
+        raise HTTPException(404, "Library not found")
+    if scanner.is_scanning(library_id):
+        raise HTTPException(409, "Scan already in progress")
+    background_tasks.add_task(scanner.scan_library_background, lib.id, lib.path)
+    return {"scanning": True}
+
+
 @router.delete("/{library_id}", status_code=204)
 async def delete_library(library_id: int, db: AsyncSession = Depends(get_db)):
     result = await db.execute(select(Library).where(Library.id == library_id))
@@ -88,7 +104,7 @@ async def browse_library(library_id: int, path: str = "", db: AsyncSession = Dep
 
     entries: list[BrowseEntry] = []
 
-    for entry in sorted(target.iterdir(), key=lambda e: (e.is_file(), e.name.lower())):
+    for entry in sorted((e for e in target.iterdir() if not e.name.startswith(".")), key=lambda e: (e.is_file(), e.name.lower())):
         rel_entry = str(entry.relative_to(root))
         if entry.is_dir():
             entries.append(BrowseEntry(name=entry.name, type="dir", rel_path=rel_entry))