ask instead of throwing tool error if file is outside cwd

packages/opencode/src/tool/write.ts

@@ -20,7 +20,19 @@ export const WriteTool = Tool.define("write", {
   async execute(params, ctx) {
     const filepath = path.isAbsolute(params.filePath) ? params.filePath : path.join(Instance.directory, params.filePath)
     if (!Filesystem.contains(Instance.directory, filepath)) {
-      throw new Error(`File ${filepath} is not in the current working directory`)
+      const parentDir = path.dirname(filepath)
+      await Permission.ask({
+        type: "external-directory",
+        pattern: parentDir,
+        sessionID: ctx.sessionID,
+        messageID: ctx.messageID,
+        callID: ctx.callID,
+        title: `Write file outside working directory: ${filepath}`,
+        metadata: {
+          filepath,
+          parentDir,
+        },
+      })
     }
 
     const file = Bun.file(filepath)