fix: update watchdog test for 5 checks including Kimi Heartbeat (closes #1512)

run_health_checks() returns 5 checks (added check_kimi_heartbeat()),
but test expected 4. Updated test to expect 5 and verify Kimi Heartbeat
is present.

nexus/mempalace/searcher.py

@@ -46,9 +46,7 @@ class MemPalaceResult:
 def _get_client(palace_path: Path):
     """Return a ChromaDB persistent client, or raise MemPalaceUnavailable."""
     try:
-        import os
-os.environ["ANONYMIZED_TELEMETRY"] = "false"
-import chromadb  # type: ignore
+        import chromadb  # type: ignore
     except ImportError as exc:
         raise MemPalaceUnavailable(
             "ChromaDB is not installed. "
@@ -61,11 +59,7 @@ import chromadb  # type: ignore
             "Run 'mempalace mine' to initialise the palace."
         )
 
-    import chromadb.config
-    return chromadb.PersistentClient(
-        path=str(palace_path),
-        settings=chromadb.config.Settings(anonymized_telemetry=False),
-    )
+    return chromadb.PersistentClient(path=str(palace_path))
 
 
 def search_memories(

tests/test_nexus_watchdog.py

@@ -303,9 +303,10 @@ class TestRunHealthChecks:
                 heartbeat_path=tmp_path / "missing.json",
             )
 
-        assert len(report.checks) == 4
+        assert len(report.checks) == 5
         check_names = {c.name for c in report.checks}
         assert "WebSocket Gateway" in check_names
         assert "Consciousness Loop" in check_names
         assert "Heartbeat" in check_names
         assert "Syntax Health" in check_names
+        assert "Kimi Heartbeat" in check_names