[eric] health: one banner line per provider, a 401 naming its own reset window is mid-refresh not dead

backend/apps/nine_router/subscription_health.py

@@ -57,6 +57,10 @@ def classify_auth_dead(status_code: int, body_text: str) -> bool:
     if status_code not in (401, 403):
         return False
     low = body_text.lower()
+    # A 401 that names its own recovery window ("reset after 1m 57s") is a token mid-refresh, not a
+    # dead login; it heals itself and the banner would cry wolf while real chats work (caught live).
+    if "reset after" in low or "try again in" in low:
+        return False
     return any(m in low for m in P_AUTH_DEAD_MARKERS)
 
 
@@ -101,10 +105,17 @@ async def probe_subscription_health(connections: List[Dict]) -> List[Dict[str, s
     async with p_probe_lock:
         if p_cached_result is not None and time.monotonic() - p_cached_at < P_CACHE_TTL_S:
             return p_cached_result
-        subs = [
-            c for c in connections
-            if isinstance(c, dict) and c.get("provider") in PREFIX_BY_PROVIDER and c.get("isActive")
-        ]
+        # One probe per PROVIDER: db.json can hold several active rows for one provider (a stale +
+        # a fresh connect), and probing per row reported "ChatGPT and ChatGPT" in the banner.
+        p_seen: set = set()
+        subs = []
+        for c in connections:
+            if not (isinstance(c, dict) and c.get("provider") in PREFIX_BY_PROVIDER and c.get("isActive")):
+                continue
+            if c.get("provider") in p_seen:
+                continue
+            p_seen.add(c.get("provider"))
+            subs.append(c)
         dead: List[Dict[str, str]] = []
         if subs:
             async with httpx.AsyncClient(timeout=P_PROBE_TIMEOUT_S) as client:

backend/tests/test_subscription_health_dedupe.py

@@ -0,0 +1,43 @@
+"""One banner line per provider: two active db.json rows for one provider (stale + fresh connect)
+used to probe twice and render "Your ChatGPT and ChatGPT logins have expired"."""
+
+import pytest
+
+from backend.apps.nine_router import subscription_health as sh
+
+
+@pytest.mark.asyncio
+async def test_duplicate_provider_rows_probe_and_report_once(monkeypatch):
+    sh.invalidate_health_cache()
+    monkeypatch.setattr(sh, "is_running", lambda: True)
+    probed = []
+
+    async def fake_pick(client, prefix):
+        return prefix + "model"
+
+    async def fake_probe(client, model):
+        probed.append(model)
+        return True
+
+    monkeypatch.setattr(sh, "p_pick_probe_model", fake_pick)
+    monkeypatch.setattr(sh, "p_probe_one", fake_probe)
+    conns = [
+        {"provider": "codex", "isActive": True, "id": "stale"},
+        {"provider": "codex", "isActive": True, "id": "fresh"},
+        {"provider": "claude", "isActive": True, "id": "c1"},
+    ]
+    dead = await sh.probe_subscription_health(conns)
+    assert probed == ["cx/model", "cc/model"], "one probe per provider, not per row"
+    assert [d["label"] for d in dead] == ["ChatGPT", "Claude"], "labels never repeat"
+    sh.invalidate_health_cache()
+
+
+def test_self_healing_401_with_reset_window_is_not_dead():
+    # Verbatim live body (2026-08-06): the codex lane 401s while its token is mid-refresh, then heals.
+    body = '{"error":{"message":"[codex/gpt-5.2] [401]: Provided authentication token is expired. Please try signing in again. (reset after 1m 57s)"}}'
+    assert not sh.classify_auth_dead(401, body)
+
+
+def test_genuine_rotation_death_still_reports():
+    assert sh.classify_auth_dead(401, "invalid_grant: refresh token rotated")
+    assert sh.classify_auth_dead(403, "Unauthorized: expired credentials, please sign in")

frontend/src/app/components/overlays/ProviderHealthToast.tsx

@@ -23,7 +23,8 @@ export default function ProviderHealthToast() {
     dispatch(hideProviderHealthToast());
   }, [dispatch]);
 
-  const labels = dead.map((d) => d.label).join(' and ');
+  // Defensive dedupe: duplicate provider rows upstream once rendered "ChatGPT and ChatGPT".
+  const labels = Array.from(new Set(dead.map((d) => d.label))).join(' and ');
 
   return (
     <Snackbar