fix: ensure explore subagent has external_directory perm set to ask instead of auto denying (#14060)

packages/opencode/src/agent/agent.ts

@@ -52,13 +52,13 @@ export namespace Agent {
     const cfg = await Config.get()
 
     const skillDirs = await Skill.dirs()
+    const whitelistedDirs = [Truncate.GLOB, ...skillDirs.map((dir) => path.join(dir, "*"))]
     const defaults = PermissionNext.fromConfig({
       "*": "allow",
       doom_loop: "ask",
       external_directory: {
         "*": "ask",
-        [Truncate.GLOB]: "allow",
-        ...Object.fromEntries(skillDirs.map((dir) => [path.join(dir, "*"), "allow"])),
+        ...Object.fromEntries(whitelistedDirs.map((dir) => [dir, "allow"])),
       },
       question: "deny",
       plan_enter: "deny",
@@ -142,7 +142,8 @@ export namespace Agent {
             codesearch: "allow",
             read: "allow",
             external_directory: {
-              [Truncate.GLOB]: "allow",
+              "*": "ask",
+              ...Object.fromEntries(whitelistedDirs.map((dir) => [dir, "allow"])),
             },
           }),
           user,

packages/opencode/test/agent/agent.test.ts

@@ -75,6 +75,20 @@ test("explore agent denies edit and write", async () => {
   })
 })
 
+test("explore agent asks for external directories and allows Truncate.GLOB", async () => {
+  const { Truncate } = await import("../../src/tool/truncation")
+  await using tmp = await tmpdir()
+  await Instance.provide({
+    directory: tmp.path,
+    fn: async () => {
+      const explore = await Agent.get("explore")
+      expect(explore).toBeDefined()
+      expect(PermissionNext.evaluate("external_directory", "/some/other/path", explore!.permission).action).toBe("ask")
+      expect(PermissionNext.evaluate("external_directory", Truncate.GLOB, explore!.permission).action).toBe("allow")
+    },
+  })
+})
+
 test("general agent denies todo tools", async () => {
   await using tmp = await tmpdir()
   await Instance.provide({