Use new official Cursor tab hooks

agent-support/vscode/src/ai-tab-edit-manager.ts

@@ -74,8 +74,8 @@ export class AITabEditManager {
     // Before edit checkpoint
     await this.aiEditManager.checkpoint("ai_tab", JSON.stringify({
       hook_event_name: 'before_edit',
-      tool: 'github-copilot-tab',
-      model: 'default',
+      tool: 'github-copilot',
+      model: 'tab',
       will_edit_filepaths: [last.document.uri.fsPath],
       dirty_files: {
         ...this.aiEditManager.getDirtyFiles(),
@@ -86,8 +86,8 @@ export class AITabEditManager {
     // After edit checkpoint
     await this.aiEditManager.checkpoint("ai_tab", JSON.stringify({
       hook_event_name: 'after_edit',
-      tool: 'github-copilot-tab',
-      model: 'default',
+      tool: 'github-copilot',
+      model: 'tab',
       edited_filepaths: [last.document.uri.fsPath],
       dirty_files: {
         ...this.aiEditManager.getDirtyFiles(),

src/authorship/post_commit.rs

@@ -146,9 +146,15 @@ pub fn filter_untracked_files(
 /// across multiple checkpoints when only the final version matters.
 fn update_prompts_to_latest(checkpoints: &mut [Checkpoint]) -> Result<(), GitAiError> {
     // Group checkpoints by agent ID (tool + id), tracking indices
+    // Only process AiAgent checkpoints (skip AiTab and Human)
     let mut agent_checkpoint_indices: HashMap<String, Vec<usize>> = HashMap::new();
 
     for (idx, checkpoint) in checkpoints.iter().enumerate() {
+        // Skip non-AiAgent checkpoints
+        if checkpoint.kind != crate::authorship::working_log::CheckpointKind::AiAgent {
+            continue;
+        }
+
         if let Some(agent_id) = &checkpoint.agent_id {
             let key = format!("{}:{}", agent_id.tool, agent_id.id);
             agent_checkpoint_indices