feat: integrate HAI-001 auto-open browser

packages/cli/src/bin.ts

@@ -42,7 +42,8 @@ async function main() {
         const pi = portIdx !== -1 ? portIdx : portIdxShort;
         const port = pi !== -1 ? parseInt(args[pi + 1], 10) : 4040;
         const engine = args.includes("--engine");
-        await runDashboard(port, { engine });
+        const open = !args.includes("--no-open");
+        await runDashboard(port, { engine, open });
         break;
       }
 

packages/cli/src/commands/dashboard.ts

@@ -1,8 +1,17 @@
+import { exec } from "node:child_process";
 import { TaskStore } from "@hai/core";
 import { createServer } from "@hai/dashboard";
 import { TriageProcessor, TaskExecutor, Scheduler } from "@hai/engine";
 
-export async function runDashboard(port: number, opts: { engine?: boolean } = {}) {
+function openBrowser(url: string): void {
+  const cmd =
+    process.platform === "darwin" ? `open "${url}"`
+    : process.platform === "win32" ? `start "" "${url}"`
+    : `xdg-open "${url}"`;
+  exec(cmd, () => {});
+}
+
+export async function runDashboard(port: number, opts: { engine?: boolean; open?: boolean } = {}) {
   const cwd = process.cwd();
   const store = new TaskStore(cwd);
   await store.init();
@@ -56,5 +65,9 @@ export async function runDashboard(port: number, opts: { engine?: boolean } = {}
     }
     console.log(`  Press Ctrl+C to stop`);
     console.log();
+
+    if (opts.open !== false) {
+      openBrowser(`http://localhost:${port}`);
+    }
   });
 }