feat: show monitor availability column

tests/test_payload.py

@@ -121,6 +121,55 @@ class Sub2APIQuotaTUITests(unittest.TestCase):
         self.assertEqual(rows[0]["daily_quota_cell"], "96.6/300")
         self.assertTrue(rows[0]["reset"].endswith("00:00") or rows[0]["reset"] != "-")
 
+    def test_monitor_availability_column_uses_bound_monitor_status(self) -> None:
+        mod = load_module()
+        payload = {
+            "generated_at": "2026-06-09T12:00:00+08:00",
+            "totals": {"total_accounts": 1, "usable_accounts": 1, "today_cost_usd": 1, "today_tokens": 100, "today_requests": 2},
+            "accounts": [
+                {
+                    "id": 2,
+                    "name": "input 300",
+                    "base_url_hash": "input-hash",
+                    "routing_group": "fast",
+                    "provider": "openai",
+                    "kind": "daily_limited",
+                    "status": "ok",
+                    "account_type": "apikey",
+                    "today_cost_usd": 1,
+                    "today_tokens": 100,
+                    "today_requests": 2,
+                    "windows": [],
+                }
+            ],
+        }
+        status_payload = {
+            "channel_monitors": {
+                "items": [
+                    {
+                        "name": "other responses",
+                        "base_url_hash": "input-hash",
+                        "enabled": True,
+                        "latest_status": "operational",
+                        "latency_ms": 2606,
+                    }
+                ]
+            }
+        }
+        rows = mod.normalize_account_rows(payload)
+        out = io.StringIO()
+
+        with contextlib.redirect_stdout(out):
+            mod.print_once(payload, status_payload=status_payload)
+
+        self.assertEqual(mod.monitor_availability(rows[0], status_payload), "ok")
+        self.assertIn("availability", out.getvalue())
+        self.assertIn(" ok\n", out.getvalue())
+
+    def test_monitor_availability_is_dash_without_bound_monitor(self) -> None:
+        mod = load_module()
+        self.assertEqual(mod.monitor_availability({"name": "alpha"}, {}), "-")
+
     def test_routing_group_sort_shows_sfast_first(self) -> None:
         mod = load_module()
         payload = {