default model

src/servers/api/pi/websocket.ts

@@ -4,9 +4,26 @@ import type { ClientMessage, ServerMessage, Message, PiEvent } from './types';
 import { sessionManager } from './session-manager';
 import * as storage from './storage';
 import * as piBridge from './pi-bridge';
-import { getHomeDir } from '../../../servers/data-path';
+import { getHomeDir, getUserSettingsFile } from '../../../servers/data-path';
 import { logger } from './logger';
 
+// Default model when no user preference is set
+const DEFAULT_MODEL = 'opencode/big-pickle';
+
+async function getUserDefaultModel(email: string): Promise<string | null> {
+  try {
+    const settingsPath = getUserSettingsFile(email);
+    const file = Bun.file(settingsPath);
+    if (await file.exists()) {
+      const settings = await file.json();
+      return settings?.chat?.defaultModel || null;
+    }
+  } catch (err) {
+    logger.error('Failed to read user settings for default model', { email, error: String(err) });
+  }
+  return null;
+}
+
 type WSData = {
   userId: number;
   email: string;
@@ -25,7 +42,7 @@ function sendToClient(ws: ServerWebSocket<WSData> | null, msg: ServerMessage): v
 }
 
 export async function open(ws: ServerWebSocket<WSData>): Promise<void> {
-  logger.info('WebSocket connection opened', { email: ws.data.email });
+  // logger.info('WebSocket connection opened', { email: ws.data.email });
 }
 
 export function message(ws: ServerWebSocket<WSData>, raw: string | Buffer): void {
@@ -50,7 +67,7 @@ export function message(ws: ServerWebSocket<WSData>, raw: string | Buffer): void
 }
 
 export function close(ws: ServerWebSocket<WSData>): void {
-  logger.info('WebSocket connection closed', { email: ws.data.email });
+  // logger.info('WebSocket connection closed', { email: ws.data.email });
   
   const sessionId = wsToSessionMap.get(ws);
   if (sessionId) {
@@ -207,7 +224,30 @@ async function handleChat(
 ): Promise<void> {
   const { email } = ws.data;
   const sessionId = msg.sessionId || randomUUID();
-  const model = msg.model || 'opencode/big-pickle';
+  
+  // Use provided model, or fall back to user default, or use system default
+  let model = msg.model;
+  let modelSource = 'client-provided';
+  let userDefault = null;
+  if (!model) {
+    userDefault = await getUserDefaultModel(email);
+    if (userDefault) {
+      model = userDefault;
+      modelSource = 'user-settings';
+    } else {
+      model = DEFAULT_MODEL;
+      modelSource = 'system-default';
+    }
+  }
+  
+  logger.info('Model selected for chat', { 
+    sessionId, 
+    model, 
+    modelSource,
+    clientModel: msg.model || null,
+    userDefault,
+  });
+  
   const cwd = msg.cwd || getHomeDir(email);
   const groupSlug = msg.groupSlug || null;