diff --git a/vibn-agent-runner/dist/server.js b/vibn-agent-runner/dist/server.js
index fea5c0c6..d6ef32c2 100644
--- a/vibn-agent-runner/dist/server.js
+++ b/vibn-agent-runner/dist/server.js
@@ -125,6 +125,18 @@ function ensureWorkspace(repo, sessionId) {
             return mainRepoDir;
         }
     }
+    // 5. Sync active workspace edits from mainRepoDir (containing Monaco edits) to taskWorktreePath
+    if (taskWorktreePath !== mainRepoDir) {
+        try {
+            console.log(`[worktree] Syncing active workspace edits from ${mainRepoDir} to ${taskWorktreePath}...`);
+            // Use rsync to copy active files while preserving structure and deleting files deleted in mainRepoDir
+            // Exclude node_modules, .git, .next, .vibncode/settings.json, etc.
+            (0, child_process_1.execSync)(`rsync -ar --delete --exclude="node_modules" --exclude=".git" --exclude=".next" --exclude=".vibncode/settings.json" "${mainRepoDir}/" "${taskWorktreePath}/"`, { stdio: "pipe" });
+        }
+        catch (syncErr) {
+            console.warn("[worktree] rsync failed, falling back to cp:", syncErr.message || syncErr);
+        }
+    }
     return taskWorktreePath;
 }
 function buildContext(repo, sessionId) {
diff --git a/vibn-agent-runner/src/server.ts b/vibn-agent-runner/src/server.ts
index 15de1870..51d564cc 100644
--- a/vibn-agent-runner/src/server.ts
+++ b/vibn-agent-runner/src/server.ts
@@ -113,6 +113,26 @@ function ensureWorkspace(repo?: string, sessionId?: string): string {
     }
   }
 
+  // 5. Sync active workspace edits from mainRepoDir (containing Monaco edits) to taskWorktreePath
+  if (taskWorktreePath !== mainRepoDir) {
+    try {
+      console.log(
+        `[worktree] Syncing active workspace edits from ${mainRepoDir} to ${taskWorktreePath}...`,
+      );
+      // Use rsync to copy active files while preserving structure and deleting files deleted in mainRepoDir
+      // Exclude node_modules, .git, .next, .vibncode/settings.json, etc.
+      execSync(
+        `rsync -ar --delete --exclude="node_modules" --exclude=".git" --exclude=".next" --exclude=".vibncode/settings.json" "${mainRepoDir}/" "${taskWorktreePath}/"`,
+        { stdio: "pipe" },
+      );
+    } catch (syncErr: any) {
+      console.warn(
+        "[worktree] rsync failed, falling back to cp:",
+        syncErr.message || syncErr,
+      );
+    }
+  }
+
   return taskWorktreePath;
 }