diff --git a/extension/src/extension.ts b/extension/src/extension.ts
index 522a6bd..566da1f 100644
--- a/extension/src/extension.ts
+++ b/extension/src/extension.ts
@@ -284,56 +284,41 @@ async function handleCommand(filePath: string) {
         if (chatOpened) {
             await new Promise(resolve => setTimeout(resolve, 300));
 
-            // Try to submit the chat input
-            const submitCommands = [
+            // 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, 200));
+
+            // Debug: discover all available chat/submit commands
+            const allCmds = await vscode.commands.getCommands(true);
+            const chatCmds = allCmds.filter(c =>
+                c.includes('chat') && (c.includes('accept') || c.includes('submit') || c.includes('send') || c.includes('enter'))
+            );
+            console.log(`Gravity Bridge: available chat submit commands: ${JSON.stringify(chatCmds)}`);
+
+            // Try every possible submit command
+            const submitAttempts = [
                 'workbench.action.chat.acceptInput',
                 'workbench.action.chat.submit',
+                'workbench.action.chat.sendInput',
+                'workbench.action.chat.send',
+                ...chatCmds, // Also try dynamically discovered ones
             ];
-            let submitted = false;
-            for (const cmd of submitCommands) {
+
+            for (const cmd of submitAttempts) {
                 try {
                     await vscode.commands.executeCommand(cmd);
-                    submitted = true;
-                    console.log(`Gravity Bridge: chat submitted with "${cmd}"`);
+                    console.log(`Gravity Bridge: ✅ submitted with "${cmd}"`);
                     break;
                 } catch { /* try next */ }
             }
-
-            if (!submitted) {
-                // Fallback: paste into focused input then simulate Enter
-                const oldClipboard = await vscode.env.clipboard.readText();
-                await vscode.env.clipboard.writeText(command.text);
-                await vscode.commands.executeCommand('editor.action.clipboardPasteAction');
-                await vscode.env.clipboard.writeText(oldClipboard);
-
-                // Wait for paste to complete, then simulate Enter
-                await new Promise(resolve => setTimeout(resolve, 200));
-
-                // Try multiple ways to submit/press Enter
-                const enterMethods = [
-                    'workbench.action.chat.acceptInput',
-                    'default:type',  // with \n
-                ];
-                for (const method of enterMethods) {
-                    try {
-                        if (method === 'default:type') {
-                            await vscode.commands.executeCommand(method, { text: '\n' });
-                        } else {
-                            await vscode.commands.executeCommand(method);
-                        }
-                        console.log(`Gravity Bridge: Enter sent via "${method}"`);
-                        break;
-                    } catch { /* try next */ }
-                }
-            }
         }
 
-        // Always mark as consumed + show notification
+        // Always mark as consumed (no toast notification)
         command.consumed = true;
         fs.writeFileSync(filePath, JSON.stringify(command, null, 2), 'utf-8');
-
-        const prefix = chatOpened ? '📨' : '⚠️ (채팅 패널 못 열음)';
-        vscode.window.showInformationMessage(`${prefix} [${projectName}] Discord: ${command.text.substring(0, 80)}`);
     } catch (err) {
         console.error('Gravity Bridge: error handling command', err);
     }