fix(server): display uvicorn lifecycle logs without an error logger name

src/powercontext/server/logging.py

@@ -91,6 +91,22 @@ def filter(self, record: logging.LogRecord) -> bool:
         return True
 
 
+class _UvicornDisplayNameFilter(logging.Filter):
+    """Rewrite uvicorn's lifecycle logger name for display.
+
+    uvicorn hardcodes "uvicorn.error" for its lifecycle logger, which mostly
+    carries INFO startup lines but reads like an error channel. Rewriting the
+    record name here is display-only: the logger tree, level routing, and any
+    filtering keyed on the original name are untouched.
+    """
+
+    @override
+    def filter(self, record: logging.LogRecord) -> bool:
+        if record.name == "uvicorn.error":
+            record.name = "uvicorn"
+        return True
+
+
 def configure_server_logging(config: ServerLoggingConfig) -> None:
     """Configure process logging for the foreground Server command."""
 
@@ -106,7 +122,10 @@ def configure_server_logging(config: ServerLoggingConfig) -> None:
     logging.config.dictConfig({
         "version": 1,
         "disable_existing_loggers": False,
-        "filters": {"operational": {"()": _HumanContextFilter}},
+        "filters": {
+            "operational": {"()": _HumanContextFilter},
+            "uvicorn_display_name": {"()": _UvicornDisplayNameFilter},
+        },
         "formatters": {"server": formatter},
         "handlers": {
             "server": {
@@ -126,6 +145,7 @@ def configure_server_logging(config: ServerLoggingConfig) -> None:
                 "handlers": ["server"],
                 "level": config.level,
                 "propagate": False,
+                "filters": ["uvicorn_display_name"],
             },
         },
     })

tests/test_server_logging.py

@@ -21,10 +21,38 @@
 
 from powercontext.builtin.persistence.sqlite import SQLiteConfig
 from powercontext.server.factory import create_server_app
-from powercontext.server.logging import JsonFormatter, OperationalContextFilter
+from powercontext.server.logging import JsonFormatter, OperationalContextFilter, _UvicornDisplayNameFilter
 from powercontext.server.settings import McpConfig, ServerLoggingConfig, ServerSettings
 
 
+def test_uvicorn_error_records_are_displayed_as_uvicorn() -> None:
+    record = logging.makeLogRecord({
+        "name": "uvicorn.error",
+        "levelno": logging.INFO,
+        "levelname": "INFO",
+        "msg": "Started server process",
+    })
+
+    _UvicornDisplayNameFilter().filter(record)
+
+    payload = json.loads(JsonFormatter().format(record))
+    assert payload["logger"] == "uvicorn"
+    assert payload["message"] == "Started server process"
+
+
+def test_uvicorn_display_name_filter_leaves_other_loggers_untouched() -> None:
+    record = logging.makeLogRecord({
+        "name": "powercontext.server.factory",
+        "levelno": logging.INFO,
+        "levelname": "INFO",
+        "msg": "PowerContext Server is ready",
+    })
+
+    _UvicornDisplayNameFilter().filter(record)
+
+    assert record.name == "powercontext.server.factory"
+
+
 def test_json_formatter_emits_stable_operational_fields() -> None:
     record = logging.makeLogRecord({
         "name": "powercontext.server.access",