🤖 Fix lint and formatting issues

- Replace fs.existsSync() with async fsPromises.access()
- Remove async keyword from SSHRuntime.forkWorkspace() (returns Promise directly)
- Fix prettier formatting

Author: ammar-agent

src/runtime/LocalRuntime.ts

@@ -481,8 +481,11 @@ export class LocalRuntime implements Runtime {
     const deletedPath = this.getWorkspacePath(projectPath, workspaceName);
 
     // Check if directory exists - if not, operation is idempotent
-    if (!fs.existsSync(deletedPath)) {
-      // Directory already gone - prune stale git records (best effort)
+    try {
+      await fsPromises.access(deletedPath);
+    } catch {
+      // Directory doesn't exist - operation is idempotent
+      // Prune stale git records (best effort)
       try {
         using pruneProc = execAsync(`git -C "${projectPath}" worktree prune`);
         await pruneProc.result;

src/runtime/SSHRuntime.ts

@@ -898,20 +898,18 @@ export class SSHRuntime implements Runtime {
     }
   }
 
-  async forkWorkspace(_params: WorkspaceForkParams): Promise<WorkspaceForkResult> {
+  forkWorkspace(_params: WorkspaceForkParams): Promise<WorkspaceForkResult> {
     // SSH forking is not yet implemented due to unresolved complexities:
     // - Users expect the new workspace's filesystem state to match the remote workspace,
     //   not the local project (which may be out of sync or on a different commit)
     // - This requires: detecting the branch, copying remote state, handling uncommitted changes
     // - For now, users should create a new workspace from the desired branch instead
-    return {
+    return Promise.resolve({
       success: false,
       error: "Forking SSH workspaces is not yet implemented. Create a new workspace instead.",
-    };
-  }
-
+    });
   }
-
+}
 
 /**
  * Helper to convert a ReadableStream to a string

src/services/ipcMain.ts

@@ -528,8 +528,10 @@ export class IpcMain {
           const projectName = sourceMetadata.projectName;
 
           // Create runtime for source workspace
-          const sourceRuntimeConfig =
-            sourceMetadata.runtimeConfig ?? { type: "local", srcBaseDir: this.config.srcDir };
+          const sourceRuntimeConfig = sourceMetadata.runtimeConfig ?? {
+            type: "local",
+            srcBaseDir: this.config.srcDir,
+          };
           const runtime = createRuntime(sourceRuntimeConfig);
 
           // Generate stable workspace ID for the new workspace