fix(skill-context): filter dev-browser as provider-gated

Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-openagent)

Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>

src/plugin/skill-context.ts

@@ -26,7 +26,7 @@ export type SkillContext = {
   disabledSkills: Set<string>
 }
 
-const PROVIDER_GATED_SKILL_NAMES = new Set(["agent-browser", "playwright"])
+const PROVIDER_GATED_SKILL_NAMES = new Set(["agent-browser", "dev-browser", "playwright"])
 
 function mapScopeToLocation(scope: SkillScope): AvailableSkill["location"] {
   if (scope === "user" || scope === "opencode") return "user"