style: ruff format after MCP server integration

Reformat the files touched by Tasks 1-14 of the host-agent MCP server
plan. No semantic changes; pre-existing format issues in unrelated
files (test_templates, test_skill_sync_wiring, 0010_skill_management,
test_skill_catalog_mcp) left untouched for a separate housekeeping
pass.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

packages/cloud-platform/cloud/migrations/versions/0014_pooled_device_mcp_busy.py

@@ -25,4 +25,4 @@ def upgrade() -> None:
 
 
 def downgrade() -> None:
-    op.drop_column("pooled_devices", "mcp_busy")
+    op.drop_column("pooled_devices", "mcp_busy")

packages/cloud-platform/cloud/pool.py

@@ -82,9 +82,7 @@ class DevicePool:
         )
         busy_set = set(mcp_busy_device_ids or [])
         devices = [
-            self._to_pooled(
-                device, host_id, now, mcp_busy=device.id in busy_set
-            )
+            self._to_pooled(device, host_id, now, mcp_busy=device.id in busy_set)
             for device in snapshot
         ]
         if allow_device_takeover: