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>

api/mcp.py

@@ -40,15 +40,17 @@ def tool_handlers(
             device_id=device_id,
             manager=manager,
         ),
-        "swipe": lambda start_x, start_y, end_x, end_y, duration_ms=500, device_id=None: call_with_semantic_errors(
-            swipe,
-            start_x,
-            start_y,
-            end_x,
-            end_y,
-            duration_ms=duration_ms,
-            device_id=device_id,
-            manager=manager,
+        "swipe": lambda start_x, start_y, end_x, end_y, duration_ms=500, device_id=None: (
+            call_with_semantic_errors(
+                swipe,
+                start_x,
+                start_y,
+                end_x,
+                end_y,
+                duration_ms=duration_ms,
+                device_id=device_id,
+                manager=manager,
+            )
         ),
         "input_text": lambda text, device_id=None: call_with_semantic_errors(
             input_text,
@@ -85,9 +87,7 @@ def tool_handlers(
         "describe_screen": lambda device_id=None: call_with_semantic_errors(
             lambda: describe_screen(device_id, manager=manager).to_dict()
         ),
-        "list_devices": lambda: [
-            device.to_dict() for device in manager.list_devices()
-        ],
+        "list_devices": lambda: [device.to_dict() for device in manager.list_devices()],
         "device_status": lambda device_id: call_with_semantic_errors(
             lambda: {"device_id": device_id, "status": manager.status(device_id)}
         ),