chore: standardize security and quality foundations

backend/app/clients/qbittorrent.py

@@ -1,7 +1,6 @@
 from typing import Any, Dict, Optional
 import httpx
 import logging
-import time
 from .base import ApiClient, _operation_error_message
 from ..services.operation_progress import finish_remote_call, start_remote_call
 
@@ -89,7 +88,6 @@ class QBittorrentClient(ApiClient):
     async def _get(self, path: str, params: Optional[Dict[str, Any]] = None) -> Optional[Any]:
         if not self.base_url:
             return None
-        started_at = time.perf_counter()
         operation_event_id = start_remote_call("qBittorrent", "Checking qBittorrent for matching downloads…")
         try:
             async with httpx.AsyncClient(timeout=10.0) as client:
@@ -97,7 +95,6 @@ class QBittorrentClient(ApiClient):
                 response = await client.get(f"{self.base_url}{path}", params=params)
                 response.raise_for_status()
                 result = response.json()
-            duration_ms = round((time.perf_counter() - started_at) * 1000, 2)
             finish_remote_call(
                 operation_event_id,
                 success=True,
@@ -106,7 +103,6 @@ class QBittorrentClient(ApiClient):
             )
             return result
         except Exception as exc:
-            duration_ms = round((time.perf_counter() - started_at) * 1000, 2)
             status_code = exc.response.status_code if isinstance(exc, httpx.HTTPStatusError) else None
             finish_remote_call(
                 operation_event_id,
@@ -119,7 +115,6 @@ class QBittorrentClient(ApiClient):
     async def _get_text(self, path: str, params: Optional[Dict[str, Any]] = None) -> Optional[str]:
         if not self.base_url:
             return None
-        started_at = time.perf_counter()
         operation_event_id = start_remote_call("qBittorrent")
         try:
             async with httpx.AsyncClient(timeout=10.0) as client:
@@ -127,7 +122,6 @@ class QBittorrentClient(ApiClient):
                 response = await client.get(f"{self.base_url}{path}", params=params)
                 response.raise_for_status()
                 result = response.text.strip()
-            duration_ms = round((time.perf_counter() - started_at) * 1000, 2)
             finish_remote_call(
                 operation_event_id,
                 success=True,
@@ -136,7 +130,6 @@ class QBittorrentClient(ApiClient):
             )
             return result
         except Exception as exc:
-            duration_ms = round((time.perf_counter() - started_at) * 1000, 2)
             status_code = exc.response.status_code if isinstance(exc, httpx.HTTPStatusError) else None
             finish_remote_call(
                 operation_event_id,
@@ -149,14 +142,12 @@ class QBittorrentClient(ApiClient):
     async def _post_form(self, path: str, data: Dict[str, Any]) -> None:
         if not self.base_url:
             return None
-        started_at = time.perf_counter()
         operation_event_id = start_remote_call("qBittorrent")
         try:
             async with httpx.AsyncClient(timeout=10.0) as client:
                 await self._login(client)
                 response = await client.post(f"{self.base_url}{path}", data=data)
                 response.raise_for_status()
-            duration_ms = round((time.perf_counter() - started_at) * 1000, 2)
             finish_remote_call(
                 operation_event_id,
                 success=True,
@@ -164,7 +155,6 @@ class QBittorrentClient(ApiClient):
                 message=_torrent_action_message(path),
             )
         except Exception as exc:
-            duration_ms = round((time.perf_counter() - started_at) * 1000, 2)
             status_code = exc.response.status_code if isinstance(exc, httpx.HTTPStatusError) else None
             finish_remote_call(
                 operation_event_id,