fix: resolve typecheck error for external skills flag

Author: rustybret

packages/opencode/src/skill/index.ts

@@ -167,14 +167,15 @@ const discoverSkills = Effect.fnUntraced(function* (
   discovery: Discovery.Interface,
   fsys: AppFileSystem.Interface,
   global: Global.Interface,
+  disableExternalSkills: boolean,
   disableClaudeCodeSkills: boolean,
   directory: string,
   worktree: string,
 ) {
   const state: ScanState = { matches: new Set(), dirs: new Set() }
 
   const externalDirs: string[] = []
-  if (!Flag.OPENCODE_DISABLE_EXTERNAL_SKILLS) {
+  if (!disableExternalSkills) {
     if (!disableClaudeCodeSkills) externalDirs.push(CLAUDE_EXTERNAL_DIR)
     externalDirs.push(AGENTS_EXTERNAL_DIR)
 
@@ -245,15 +246,16 @@ export const layer = Layer.effect(
 const flags = yield* RuntimeFlags.Service
   const discovered = yield* InstanceState.make(
     Effect.fn("Skill.discovery")(function* (ctx) {
-      return yield* discoverSkills(
-        config,
-        discovery,
-        fsys,
-        global,
-        flags.disableClaudeCodeSkills,
-        ctx.directory,
-        ctx.worktree,
-      )
+return yield* discoverSkills(
+          config,
+          discovery,
+          fsys,
+          global,
+          flags.disableExternalSkills,
+          flags.disableClaudeCodeSkills,
+          ctx.directory,
+          ctx.worktree,
+        )
       }),
     )
     const state = yield* InstanceState.make(