fix(types): T7 — eliminate all remaining 38 mypy errors; fix DeckyRow subscript in engine tests

decnet/web/router/auth/api_login.py

@@ -39,7 +39,7 @@ router = APIRouter()
     },
 )
 @limiter.limit("10/5 minutes", key_func=login_ip_key)
-@limiter.limit("10/5 minutes", key_func=login_username_key)
+@limiter.limit("10/5 minutes", key_func=login_username_key)  # type: ignore[arg-type]
 @_traced("api.login")
 async def login(request: Request, payload: LoginRequest) -> dict[str, Any]:
     _user: Optional[dict[str, Any]] = await get_user_by_username_cached(payload.username)

decnet/web/router/deckies/api_tarpit.py

@@ -114,7 +114,7 @@ def _get_active_connections(pid: int, ports: list[int]) -> list[dict]:
 )
 async def api_enable_tarpit(
     decky_name: str = Path(..., pattern=_DECKY_RE),
-    req: TarpitEnableRequest = ...,
+    req: TarpitEnableRequest = ...,  # type: ignore[assignment]
     admin: dict = Depends(require_admin),
 ) -> MessageResponse:
     try:

decnet/web/router/health/api_get_health.py

@@ -108,7 +108,7 @@ async def get_health(user: dict = Depends(require_viewer)) -> Any:
 
             if _docker_client is None:
                 _docker_client = await asyncio.to_thread(docker.from_env)
-            await asyncio.to_thread(_docker_client.ping)
+            await asyncio.to_thread(_docker_client.ping)  # type: ignore[union-attr]
             _docker_healthy = True
             _docker_detail = ""
         except Exception as exc:

decnet/web/router/topology/api_tarpit.py

@@ -59,7 +59,7 @@ def _db_key(topology_id: str, decky_name: str) -> str:
 async def api_enable_tarpit(
     topology_id: str = Path(..., pattern=_TOPO_RE),
     decky_name: str = Path(..., pattern=_DECKY_RE),
-    req: TarpitEnableRequest = ...,
+    req: TarpitEnableRequest = ...,  # type: ignore[assignment]
     admin: dict = Depends(require_admin),
 ) -> MessageResponse:
     try:

decnet/web/router/webhooks/api_manage_webhooks.py

@@ -4,7 +4,7 @@ from __future__ import annotations
 import json
 import secrets
 from datetime import datetime, timezone
-from typing import Any
+from typing import Any, cast
 
 from fastapi import APIRouter, Depends, HTTPException
 
@@ -66,7 +66,7 @@ async def api_create_webhook(
     req: WebhookCreateRequest,
     admin: dict = Depends(require_admin),
 ) -> WebhookCreateResponse:
-    patterns = merge_patterns(req.simple_events, req.topic_patterns)
+    patterns = merge_patterns(cast(list[str], req.simple_events), req.topic_patterns)
     if not patterns:
         raise HTTPException(
             status_code=400,
@@ -188,7 +188,7 @@ async def api_update_webhook(
         # to clear all patterns must explicitly pass both as empty lists.
         simple = req.simple_events if req.simple_events is not None else []
         raw = req.topic_patterns if req.topic_patterns is not None else []
-        patterns = merge_patterns(simple, raw)
+        patterns = merge_patterns(cast(list[str], simple), raw)
         if not patterns:
             raise HTTPException(
                 status_code=400,