add a delete recordings button

src/auracast/server/multicast_frontend.py

@@ -1842,7 +1842,7 @@ with st.expander("Record", expanded=False):
         selected_device_name = None
     
     # Recording controls
-    col_record, col_download = st.columns([1, 1])
+    col_record, col_download, col_delete = st.columns([1, 1, 1])
     
     with col_record:
         if st.button("Start Recording (5s)", disabled=not selected_device_name):
@@ -1879,6 +1879,22 @@ with st.expander("Record", expanded=False):
                 st.warning(f"Could not fetch recording: {e}")
         else:
             st.button("Download Last Recording", disabled=True, help="No recording available yet")
+    
+    with col_delete:
+        if st.button("Delete Recordings", type="secondary"):
+            try:
+                r = requests.delete(f"{BACKEND_URL}/delete_recordings", timeout=10)
+                if r.ok:
+                    result = r.json()
+                    if result.get('success'):
+                        st.success(f"Deleted {result.get('deleted_count', 0)} recording(s)")
+                        st.session_state['last_recording'] = None
+                    else:
+                        st.error("Failed to delete recordings")
+                else:
+                    st.error(f"Failed to delete recordings: {r.status_code}")
+            except Exception as e:
+                st.error(f"Error deleting recordings: {e}")
 
 log.basicConfig(
     level=os.environ.get('LOG_LEVEL', log.DEBUG),

src/auracast/server/multicast_server.py

@@ -1413,6 +1413,29 @@ async def download_recording(filename: str):
         raise HTTPException(status_code=500, detail=str(e))
 
 
+@app.delete("/delete_recordings")
+async def delete_recordings():
+    """Delete all recordings in the recordings folder."""
+    try:
+        deleted_count = 0
+        for filename in os.listdir(RECORDINGS_DIR):
+            filepath = os.path.join(RECORDINGS_DIR, filename)
+            if os.path.isfile(filepath):
+                try:
+                    os.remove(filepath)
+                    deleted_count += 1
+                    log.info("Deleted recording: %s", filename)
+                except Exception as e:
+                    log.warning("Failed to delete %s: %s", filename, e)
+        
+        log.info("Deleted %d recordings", deleted_count)
+        return {"success": True, "deleted_count": deleted_count}
+        
+    except Exception as e:
+        log.error("Exception in /delete_recordings: %s", e, exc_info=True)
+        raise HTTPException(status_code=500, detail=str(e))
+
+
 if __name__ == '__main__':
     import os
     os.chdir(os.path.dirname(__file__))