refactor(skills): remove 5 unused skills and clean references (#634)

src/data/plugin-legacy-artifacts.ts

@@ -25,6 +25,11 @@ const EXTRA_LEGACY_ARTIFACTS_BY_PLUGIN: Record<string, LegacyPluginArtifacts> =
       "agent-native-audit",
       "andrew-kane-gem-writer",
       "brainstorming",
+      "ce-andrew-kane-gem-writer",
+      "ce-changelog",
+      "ce-deploy-docs",
+      "ce-dspy-ruby",
+      "ce-every-style-editor",
       "ce:brainstorm",
       "ce:compound",
       "ce:compound-refresh",

src/utils/legacy-cleanup.ts

@@ -85,6 +85,13 @@ const STALE_SKILL_DIRS = [
   "ce-document-review",
   "ce-plan-beta",
   "ce-review-beta",
+
+  // Removed skills (no replacement)
+  "ce-andrew-kane-gem-writer",
+  "ce-changelog",
+  "ce-deploy-docs",
+  "ce-dspy-ruby",
+  "ce-every-style-editor",
 ]
 
 /** Old agent names (used as generated skill dirs or flat .md files). */