phase: 32_gateway_resolved_target_liveness

Fixture and live stream.conf are byte-identical (modulo header comment). Let me test the parser directly:

tests/test_collectors.py

@@ -261,6 +261,11 @@ async def test_a_host_without_a_proxy_config_does_not_degrade_the_system_source(
     `collectors.ADDON_ERROR_PREFIXES` is the one list of these prefixes; this asserts every
     name by behaviour, so dropping any of them fails here, and `tests/test_agent.py` pins both
     the wording of the lines the agent actually writes and the equality of the two lists.
+
+    The `resolver:` line is phase 32's and the same case with a DNS-shaped name: a host with no
+    proxy config has nothing to resolve, and a truncated lookup pass (`resolver: pass budget …`)
+    is one route without a count, not a broken box. Both arms belong in this list or every
+    upgraded host gets an overview WARN it has no way to clear.
     """
     missing_haproxy = ("haproxy: /etc/haproxy/haproxy.cfg not found — haproxy is not installed "
                        "here, or its config lives elsewhere (--haproxy-config); --no-proxy "
@@ -269,9 +274,12 @@ async def test_a_host_without_a_proxy_config_does_not_degrade_the_system_source(
                      "its config lives elsewhere (--nginx-config); --no-proxy opts out")
     no_sockets = ("sockets: /proc/net/tcp not found, /proc/net/tcp6 not found — this host "
                   "publishes no kernel socket table; --no-proxy opts out")
+    nothing_to_resolve = ("resolver: nothing to resolve — haproxy not found and nginx not found; "
+                          "--no-resolve opts out")
+    truncated_lookups = ("resolver: pass budget 3.0s exhausted, 41 of 58 targets looked up")
     body = agent_body()
     body["errors"] = [missing_haproxy, missing_nginx, no_sockets,
-                      "smart: smartctl 7.5 not found"]
+                      "smart: smartctl 7.5 not found", nothing_to_resolve, truncated_lookups]
 
     def handler(request: httpx.Request) -> httpx.Response:
         return httpx.Response(200, json=body)
@@ -280,7 +288,7 @@ async def test_a_host_without_a_proxy_config_does_not_degrade_the_system_source(
         result = await fetch_host_snapshot(client, Target("gw", "http://agent.test"),
                                            HostCollector(RateEstimator()))
     assert "degraded" not in result.payload, "unconfigured is not broken (invariant 3)"
-    for prefix in ("haproxy:", "nginx:", "sockets:"):
+    for prefix in ("haproxy:", "nginx:", "sockets:", "resolver:"):
         assert any(prefix in str(e) for e in result.payload["agent"]["errors"]), \
             "the sentence survives for the page that explains it"