chore(skills): docs + ruff format for skill-management-console

Documents Skill Management in CLOUD_DEPLOYMENT.md (cloud-skill store,
per-host entitlement, incremental sync, local authoring/override,
inventory report, skills:admin scope) and applies ruff check/format to
all touched modules. All tasks complete; full non-integration suite
green (593 passed) and openspec validate --strict passes.

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

api/skill_catalog_mcp.py

@@ -12,6 +12,7 @@ Authoring tools (``create_skill``/``update_skill``/``delete_skill``) dispatch by
 origin (design D10): they edit/delete local skills and create/update/remove
 local overrides for cloud skills, never writing to the synced store.
 """
+
 from __future__ import annotations
 
 from collections.abc import Callable
@@ -140,9 +141,7 @@ def skill_tool_handlers(
         except ValueError as exc:
             return _error_response(SkillAuthoringError(str(exc)))
         if view.is_local_skill(skill_id):
-            stored = local.update_local(
-                _with_id(skill, skill_id)
-            )
+            stored = local.update_local(_with_id(skill, skill_id))
             return {
                 "ok": True,
                 "skill": _skill_to_full_dict(stored),
@@ -308,7 +307,8 @@ def _build_skill(payload: dict[str, Any]) -> KnowledgeSkill | FlowTemplateSkill:
         for step in (payload.get("steps") or [])
     ]
     parameters = {
-        str(name): dict(schema) for name, schema in (payload.get("parameters") or {}).items()
+        str(name): dict(schema)
+        for name, schema in (payload.get("parameters") or {}).items()
     }
     return FlowTemplateSkill(metadata=meta, steps=steps, parameters=parameters)