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_view.py

@@ -9,16 +9,15 @@ Override semantics (design D8/D9/D11): a local override shadows the cloud
 skill at read time, wins against sync updates, and is reported with
 ``origin = "cloud"`` and ``locally_overridden = true`` while it shadows.
 """
+
 from __future__ import annotations
 
-from collections.abc import Callable
 from dataclasses import dataclass
 from typing import Literal
 
 from skills_learning.models import (
     FlowTemplateSkill,
     KnowledgeSkill,
-    Skill,
     SkillMetadata,
 )
 from storage.local_skills import LocalSkillStore
@@ -72,9 +71,7 @@ class SkillCatalogView:
             if meta.id in override_ids:
                 override = self._local.get_override(meta.id)
                 if override is not None:
-                    summaries.append(
-                        SkillSummary(override.metadata, "cloud", True)
-                    )
+                    summaries.append(SkillSummary(override.metadata, "cloud", True))
                     continue
             summaries.append(SkillSummary(meta, "cloud", False))
 
@@ -96,9 +93,7 @@ class SkillCatalogView:
             if meta.id in override_ids:
                 override = self._local.get_override(meta.id)
                 if override is not None:
-                    summaries.append(
-                        SkillSummary(override.metadata, "cloud", True)
-                    )
+                    summaries.append(SkillSummary(override.metadata, "cloud", True))
                     continue
             summaries.append(SkillSummary(meta, "cloud", False))
 
@@ -148,9 +143,7 @@ class SkillCatalogView:
         return self._local.has_override(cloud_skill_id)
 
 
-def _tools_valid(
-    skill: FlowTemplateSkill, registered_tools: set[str]
-) -> bool:
+def _tools_valid(skill: FlowTemplateSkill, registered_tools: set[str]) -> bool:
     return all(step.tool_name in registered_tools for step in skill.steps)