chore: adopt ruff 0.16.0

docs/introduction/configuration.md

@@ -156,8 +156,8 @@ import logging
 from lite_bootstrap import FastStreamConfig
 
 config = FastStreamConfig(
-    logging_log_level=logging.INFO,       # your application logs
-    faststream_log_level=logging.WARNING, # broker "Received"/"Processed" messages (default)
+    logging_log_level=logging.INFO,  # your application logs
+    faststream_log_level=logging.WARNING,  # broker "Received"/"Processed" messages (default)
 )
 ```
 

docs/introduction/quickstart.md

@@ -106,7 +106,7 @@ bootstrapper:
 bootstrapper = FastAPIBootstrapper(config)
 app = bootstrapper.bootstrap()
 
-print(bootstrapper.build_summary())          # human-readable summary
+print(bootstrapper.build_summary())  # human-readable summary
 for cls, reason in bootstrapper.skipped_instruments:
     print(f"skipped {cls.__name__}: {reason}")
 ```

planning/audits/2026-06-05-bug-audit-v2.md

@@ -178,6 +178,7 @@ no-op default:
 
 ```python
 from opentelemetry.trace import NoOpTracerProvider
+
 set_tracer_provider(NoOpTracerProvider())
 ```
 
@@ -216,7 +217,7 @@ def teardown(self) -> None:
     root_logger = logging.getLogger()
     for h in root_logger.handlers[:]:
         root_logger.removeHandler(h)
-        h.close()                       # ← unprotected; can raise
+        h.close()  # ← unprotected; can raise
     root_logger.setLevel(logging.WARNING)
     if self._logger_factory is not None:
         try:

planning/changes/2026-05-31.01-audit-implementation.md

@@ -254,6 +254,7 @@ non-negotiable.
   ```python
   ConfigT = typing.TypeVar("ConfigT", bound=BaseConfig)
 
+
   @dataclasses.dataclass(kw_only=True, slots=True, frozen=True)
   class BaseInstrument(typing.Generic[ConfigT]):
       bootstrap_config: ConfigT

planning/changes/2026-06-01.02-fastmcp-bootstrapper.md

@@ -97,9 +97,7 @@ def _make_fastmcp() -> "FastMCP[typing.Any]":
 
 
 @dataclasses.dataclass(kw_only=True, slots=True, frozen=True)
-class FastMcpConfig(
-    HealthChecksConfig, LoggingConfig, PrometheusConfig, PyroscopeConfig, SentryConfig
-):
+class FastMcpConfig(HealthChecksConfig, LoggingConfig, PrometheusConfig, PyroscopeConfig, SentryConfig):
     application: "FastMCP[typing.Any]" = dataclasses.field(default_factory=_make_fastmcp)
     logging_turn_off_middleware: bool = False
 ```
@@ -127,11 +125,15 @@ class FastMcpLoggingMiddleware(Middleware):
             result = await call_next(context)
         except Exception:
             fastmcp_access_logger.exception(
-                context.method or "unknown", mcp=mcp_fields, duration=time.perf_counter_ns() - start,
+                context.method or "unknown",
+                mcp=mcp_fields,
+                duration=time.perf_counter_ns() - start,
             )
             raise
         fastmcp_access_logger.info(
-            context.method or "unknown", mcp=mcp_fields, duration=time.perf_counter_ns() - start,
+            context.method or "unknown",
+            mcp=mcp_fields,
+            duration=time.perf_counter_ns() - start,
         )
         return result
 ```
@@ -210,6 +212,7 @@ if import_checker.is_fastmcp_installed:
 
 if import_checker.is_structlog_installed:
     import structlog
+
     fastmcp_access_logger: typing.Final = structlog.get_logger("mcp.access")
 
 if import_checker.is_prometheus_client_installed:

planning/changes/2026-06-02.01-stdlib-logging-and-build-summary.md

@@ -27,6 +27,7 @@ try:
         return structlog.get_logger(__name__)
 
 except ImportError:
+
     def _get_logger() -> typing.Any:  # noqa: ANN401
         return logging.getLogger(__name__)
 ```
@@ -156,9 +157,7 @@ Replaces `_get_logger().warning(f"Error tearing down {name}: {e}")`. Uses stdlib
 ### `test_teardown_error_isolation`
 
 ```python
-def test_teardown_error_isolation(
-    free_bootstrapper_config: FreeConfig, caplog: pytest.LogCaptureFixture
-) -> None:
+def test_teardown_error_isolation(free_bootstrapper_config: FreeConfig, caplog: pytest.LogCaptureFixture) -> None:
     bootstrapper = FreeBootstrapper(bootstrap_config=free_bootstrapper_config)
     bootstrapper.bootstrap()
 

planning/changes/2026-06-23.01-structured-log-payload.md

@@ -75,8 +75,8 @@ A consumer-side interpretation type living beside the existing serializer:
 ```python
 @dataclasses.dataclass(frozen=True, slots=True)
 class StructuredLogPayload:
-    message: str | None       # the structlog `event` key; None when absent
-    extra: dict[str, typing.Any]   # user fields, meta-keys already stripped
+    message: str | None  # the structlog `event` key; None when absent
+    extra: dict[str, typing.Any]  # user fields, meta-keys already stripped
     skip_sentry: bool
 
     @classmethod
@@ -124,9 +124,12 @@ forgets the set.
 
 ```python
 payload = StructuredLogPayload.parse(formatted_message)
-if payload is None:        return event   # not a structlog JSON line
-if payload.skip_sentry:    return None    # drop — checked BEFORE message
-if not payload.message:    return event   # JSON without an `event` key
+if payload is None:
+    return event  # not a structlog JSON line
+if payload.skip_sentry:
+    return None  # drop — checked BEFORE message
+if not payload.message:
+    return event  # JSON without an `event` key
 event["logentry"]["formatted"] = payload.message
 if payload.extra:
     event["contexts"]["structlog"] = payload.extra

planning/changes/2026-06-24.02-otel-excluded-urls-home.md

@@ -21,10 +21,10 @@ instead of silently dropping URLs from the trace-exclusion set.
 stringly-typed cross-config reads:
 
 ```python
-excluded_urls = set(getattr(self.bootstrap_config, "opentelemetry_excluded_urls", []))   # OTel's OWN field
-prometheus_path = getattr(self.bootstrap_config, "prometheus_metrics_path", None)         # PrometheusConfig
+excluded_urls = set(getattr(self.bootstrap_config, "opentelemetry_excluded_urls", []))  # OTel's OWN field
+prometheus_path = getattr(self.bootstrap_config, "prometheus_metrics_path", None)  # PrometheusConfig
 if not self.bootstrap_config.opentelemetry_generate_health_check_spans:
-    health_path = getattr(self.bootstrap_config, "health_checks_path", None)              # HealthChecksConfig
+    health_path = getattr(self.bootstrap_config, "health_checks_path", None)  # HealthChecksConfig
 ```
 
 These are two different kinds of read, and conflating them hides the real issue:

planning/changes/2026-07-18.01-free-threaded-python-support.md

@@ -58,8 +58,14 @@ import. Two explicit implementations so both branches are unit-testable on a
 normal (orjson-present) run:
 
 ```python
-def _dumps_orjson(value, **kw):   return orjson.dumps(value, **kw).decode()
-def _dumps_stdlib(value, **kw):   return json.dumps(value, separators=(",", ":"), ensure_ascii=False, **kw)
+def _dumps_orjson(value, **kw):
+    return orjson.dumps(value, **kw).decode()
+
+
+def _dumps_stdlib(value, **kw):
+    return json.dumps(value, separators=(",", ":"), ensure_ascii=False, **kw)
+
+
 _serialize_log_to_string = _dumps_orjson if import_checker.is_orjson_installed else _dumps_stdlib
 ```
 

pyproject.toml

@@ -178,6 +178,7 @@ ignore = [
     "COM812", # flake8-commas "Trailing comma missing"
     "ISC001", # flake8-implicit-str-concat
     "G004", # allow f-strings in logging
+    "CPY001", # no per-file copyright header
 ]
 isort.lines-after-imports = 2
 isort.no-lines-before = ["standard-library", "local-folder"]