feat: use antigravity.sendTextToChat native API for chat submission

extension/src/extension.ts

@@ -263,57 +263,22 @@ async function handleCommand(filePath: string) {
             return;
         }
 
-        // General text: send to chat panel with query + submit
+        // General text: use Antigravity native API to send to chat
-        let chatOpened = false;
-
-        // Method 1: Try opening chat with query parameter (fills + auto-focuses)
-        const chatOpenCommands = [
-            { cmd: 'workbench.action.chat.open', args: { query: command.text } },
-            { cmd: 'workbench.panel.chat.view.copilot.focus', args: undefined },
-        ];
-
-        for (const { cmd, args } of chatOpenCommands) {
         try {
-                await vscode.commands.executeCommand(cmd, args);
+            await vscode.commands.executeCommand('antigravity.sendTextToChat', true, command.text);
-                chatOpened = true;
+            console.log(`Gravity Bridge: ✅ sent via antigravity.sendTextToChat: "${command.text.substring(0, 50)}"`);
-                console.log(`Gravity Bridge: chat opened with "${cmd}"`);
-                break;
-            } catch { /* try next */ }
-        }
-
-        if (chatOpened) {
-            await new Promise(resolve => setTimeout(resolve, 300));
-
-            // Paste text into chat input
-            const oldClipboard = await vscode.env.clipboard.readText();
-            await vscode.env.clipboard.writeText(command.text);
-            await vscode.commands.executeCommand('editor.action.clipboardPasteAction');
-            await vscode.env.clipboard.writeText(oldClipboard);
-            await new Promise(resolve => setTimeout(resolve, 300));
-
-            // Try to submit: carriage return, then keyboard Enter simulation
-            let submitted = false;
-            const submitMethods = [
-                { cmd: 'type', args: { text: '\r' } },           // carriage return
-                { cmd: 'default:Enter', args: undefined },        // Enter keybinding
-                { cmd: 'type', args: { text: '\u000d' } },       // CR unicode
-            ];
-            for (const { cmd, args } of submitMethods) {
-                try {
-                    await vscode.commands.executeCommand(cmd, args);
-                    console.log(`Gravity Bridge: ✅ Enter sent via "${cmd}"`);
-                    submitted = true;
-                    break;
         } catch (e) {
-                    console.log(`Gravity Bridge: "${cmd}" failed: ${e}`);
+            console.log(`Gravity Bridge: antigravity.sendTextToChat failed: ${e}, trying fallback`);
-                }
+            // Fallback: open chat with query parameter
-            }
+            try {
-            if (!submitted) {
+                await vscode.commands.executeCommand('workbench.action.chat.open', { query: command.text });
-                console.log('Gravity Bridge: ⚠️ all submit methods failed — text pasted but not submitted');
+                console.log('Gravity Bridge: fallback to workbench.action.chat.open with query');
+            } catch (e2) {
+                console.error('Gravity Bridge: all chat send methods failed', e2);
             }
         }
 
-        // Always mark as consumed (no toast notification)
+        // Always mark as consumed
         command.consumed = true;
         fs.writeFileSync(filePath, JSON.stringify(command, null, 2), 'utf-8');
     } catch (err) {