feat: refresh dashboard settings UX and Codex feature toggles (#153)

* feat: refresh dashboard settings UX and Codex feature toggles

Improve settings/tasks mobile layout, model effort validation by agent type, and preset models for GPT 5.5 and Opus 4.7. Store Codex fast mode and goals in config.toml with Claude fastMode session sync and updated docs for Codex 0.133.

Co-authored-by: Cursor <cursoragent@cursor.com>

* style: apply pre-commit formatting after dashboard settings commit

Co-authored-by: Cursor <cursoragent@cursor.com>

---------

Co-authored-by: Cursor <cursoragent@cursor.com>

src/index.ts

@@ -346,12 +346,25 @@ async function main(): Promise<void> {
       );
       continue;
     }
-    channels.push(channel);
-    await channel.connect();
+    try {
+      await channel.connect();
+      channels.push(channel);
+    } catch (err) {
+      logger.error(
+        { channel: channelName, err },
+        'Channel connect failed — skipping',
+      );
+    }
   }
   if (channels.length === 0) {
-    logger.fatal('No channels connected');
-    process.exit(1);
+    if (WEB_DASHBOARD.enabled) {
+      logger.warn(
+        'No channels connected; continuing in web-dashboard-only mode',
+      );
+    } else {
+      logger.fatal('No channels connected');
+      process.exit(1);
+    }
   }
 
   // Start subsystems (independently of connection handler)