refactor: simplify code formatting and improve readability across multiple files

backend/app/core/agent_auth.py

@@ -77,10 +77,7 @@ async def _touch_agent_presence(
     real activity even if the heartbeat loop isn't running.
     """
     now = utcnow()
-    if (
-        agent.last_seen_at is not None
-        and now - agent.last_seen_at < _LAST_SEEN_TOUCH_INTERVAL
-    ):
+    if agent.last_seen_at is not None and now - agent.last_seen_at < _LAST_SEEN_TOUCH_INTERVAL:
         return
 
     agent.last_seen_at = now

backend/app/core/durations.py

@@ -19,9 +19,7 @@ _MULTIPLIERS: dict[str, int] = {
 _MAX_SCHEDULE_SECONDS = 60 * 60 * 24 * 365 * 10
 
 _ERR_SCHEDULE_REQUIRED = "schedule is required"
-_ERR_SCHEDULE_INVALID = (
-    'Invalid schedule. Expected format like "10m", "1h", "2d", "1w".'
-)
+_ERR_SCHEDULE_INVALID = 'Invalid schedule. Expected format like "10m", "1h", "2d", "1w".'
 _ERR_SCHEDULE_NONPOSITIVE = "Schedule must be greater than 0."
 _ERR_SCHEDULE_TOO_LARGE = "Schedule is too large (max 10 years)."
 

backend/app/core/error_handling.py

@@ -13,7 +13,7 @@ from fastapi.responses import JSONResponse
 from starlette.exceptions import HTTPException as StarletteHTTPException
 from starlette.responses import Response
 
-if TYPE_CHECKING:
+if TYPE_CHECKING:  # pragma: no cover
     from starlette.types import ASGIApp, Message, Receive, Scope, Send
 
 logger = logging.getLogger(__name__)
@@ -44,9 +44,7 @@ class RequestIdMiddleware:
             if message["type"] == "http.response.start":
                 # Starlette uses `list[tuple[bytes, bytes]]` here.
                 headers: list[tuple[bytes, bytes]] = message.setdefault("headers", [])
-                if not any(
-                    key.lower() == self._header_name_bytes for key, _ in headers
-                ):
+                if not any(key.lower() == self._header_name_bytes for key, _ in headers):
                     request_id_bytes = request_id.encode("latin-1")
                     headers.append((self._header_name_bytes, request_id_bytes))
             await send(message)

backend/app/core/logging.py

@@ -198,8 +198,7 @@ class AppLogger:
             formatter: logging.Formatter = JsonFormatter()
         else:
             formatter = KeyValueFormatter(
-                "%(asctime)s %(levelname)s %(name)s %(message)s "
-                "app=%(app)s version=%(version)s",
+                "%(asctime)s %(levelname)s %(name)s %(message)s " "app=%(app)s version=%(version)s",
             )
             if settings.log_use_utc:
                 formatter.converter = time.gmtime