Add comprehensive Docker containers management page with filtering, search, bulk actions, and enhanced container control with state verification

app/schemas/docker.py

@@ -273,3 +273,28 @@ class DockerImageExtendedListResponse(BaseModel):
     total: int
     total_size: int
     unused_count: int = 0
+
+
+# === Aggregated Containers Response ===
+
+class DockerContainerAggregatedResponse(DockerContainerBase):
+    """Response schema for Docker container with host info (for aggregated view)."""
+    id: int
+    host_id: str
+    host_name: str
+    host_ip: str
+    created_at: Optional[datetime] = None
+    last_update_at: Optional[datetime] = None
+
+    model_config = ConfigDict(from_attributes=True)
+
+
+class DockerContainerAggregatedListResponse(BaseModel):
+    """Response for listing all containers across all hosts."""
+    containers: List[DockerContainerAggregatedResponse]
+    total: int
+    running: int
+    stopped: int
+    paused: int
+    hosts_count: int
+    last_update: Optional[datetime] = None