start: group Docker containers by compose project (collapsible stacks with running count, health dot, CPU/mem); collector captures compose labels

src/lib/home.ts

@@ -32,6 +32,9 @@ export type Container = {
 	startedAt: string | null;
 	cpu: string | null;
 	mem: string | null;
+	/** com.docker.compose.project / .service labels (absent on standalone containers). */
+	project?: string | null;
+	service?: string | null;
 };
 export type TimerState = {
 	label: string;