fix(dashboard): tolerate missing manifest

tests/unit/test_dashboard_active_agents.py

@@ -5,6 +5,7 @@ from __future__ import annotations
 import tempfile
 import unittest
 from pathlib import Path
+from unittest import mock
 
 from bot_bottle import supervise
 from bot_bottle.cli import dashboard
@@ -144,6 +145,18 @@ class TestFilterAgents(unittest.TestCase):
         self.assertEqual(["beta", "echo"], out)
 
 
+class TestDashboardManifestLoading(unittest.TestCase):
+    def test_new_agent_flow_empty_manifest_has_no_picker_entries(self):
+        manifest = dashboard.Manifest.from_json_obj({"bottles": {}, "agents": {}})
+        with mock.patch("bot_bottle.cli.dashboard._picker_modal", return_value=None) as picker:
+            status = dashboard._new_agent_flow(
+                None, manifest, {}, [], tmux_state=None,  # type: ignore[arg-type]
+            )
+        picker.assert_called_once()
+        self.assertEqual([], picker.call_args.args[1])
+        self.assertIn("no agents configured", status)
+
+
 class TestRunningCounts(unittest.TestCase):
     """Per-agent running-count surfaced in the picker so the
     operator sees `(N running)` before picking. Counts come from

tests/unit/test_manifest_md_load.py

@@ -280,6 +280,11 @@ class TestNoManifestDies(_ResolveCase):
         with self.assertRaises(Die):
             self.resolve()
 
+    def test_missing_ok_returns_empty_manifest(self):
+        m = Manifest.resolve(str(self.cwd_root), missing_ok=True)
+        self.assertEqual({}, dict(m.bottles))
+        self.assertEqual({}, dict(m.agents))
+
 
 class TestUnknownBottleReferenceDies(_ResolveCase):
     """An agent file naming a bottle that doesn't exist on disk