Refine built-in web app experience

app/api/schemas.py

@@ -200,6 +200,17 @@ class ServerConfigurationStatusResponse(BaseModel):
     build_metadata_complete: bool
 
 
+class ServerDiscoveryInfoResponse(BaseModel):
+    last_scan_at: str | None = None
+    last_scan_mode: str | None = None
+    online: int | None = None
+    found: int | None = None
+    added: int | None = None
+    updated: int | None = None
+    removed_offline: int | None = None
+    pending_removal: int | None = None
+
+
 class ServerInfoResponse(BaseModel):
     app_name: str
     instance_name: str | None = None
@@ -210,3 +221,4 @@ class ServerInfoResponse(BaseModel):
     build: ServerBuildInfoResponse | None = None
     urls: ServerUrlInfoResponse | None = None
     configuration: ServerConfigurationStatusResponse | None = None
+    discovery: ServerDiscoveryInfoResponse | None = None