feat: add discuss mode and quick actions

- Implement discuss mode toggle and UI in chat box
- Add quick action buttons for file, message, implement and link actions
- Extend markdown parser to handle quick action elements
- Update message components to support discuss mode and quick actions
- Add discuss prompt for technical consulting responses
- Refactor chat components to support new functionality

The changes introduce a new discuss mode that allows users to switch between code implementation and technical discussion modes. Quick action buttons provide immediate interaction options like opening files, sending messages, or switching modes.

app/routes/api.chat.ts

@@ -37,11 +37,12 @@ function parseCookies(cookieHeader: string): Record<string, string> {
 }
 
 async function chatAction({ context, request }: ActionFunctionArgs) {
-  const { messages, files, promptId, contextOptimization, supabase } = await request.json<{
+  const { messages, files, promptId, contextOptimization, supabase, chatMode } = await request.json<{
     messages: Messages;
     files: any;
     promptId?: string;
     contextOptimization: boolean;
+    chatMode: 'discuss' | 'build';
     supabase?: {
       isConnected: boolean;
       hasSelectedProject: boolean;
@@ -248,6 +249,7 @@ async function chatAction({ context, request }: ActionFunctionArgs) {
               promptId,
               contextOptimization,
               contextFiles: filteredFiles,
+              chatMode,
               summary,
               messageSliceId,
             });
@@ -287,6 +289,7 @@ async function chatAction({ context, request }: ActionFunctionArgs) {
           promptId,
           contextOptimization,
           contextFiles: filteredFiles,
+          chatMode,
           summary,
           messageSliceId,
         });