fix: allow model to invoke Skill tool for review commands

Set disableModelInvocation to false so the model can use the Skill tool
to load review/security-review skills as instructed by locale templates.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

src/costrict/skills/reviewSkills.ts

@@ -34,7 +34,7 @@ function registerReviewSkill(
     description,
     whenToUse: description,
     userInvocable: true,
-    disableModelInvocation: true,
+    disableModelInvocation: false,
     allowedTools: ALLOWED_TOOLS,
     files,
     async getPromptForCommand(args) {