Add reviewed resolution for missing user identity links

backend/app/routers/identities.py

@@ -2,7 +2,7 @@ from fastapi import APIRouter, Depends, Response
 from pydantic import BaseModel, ConfigDict, Field, field_validator
 
 from ..auth import require_admin
-from ..services.identity_review import confirm_identities, review_identities
+from ..services.identity_review import confirm_identities, review_identities, resolve_identity
 
 router = APIRouter(prefix="/admin/identities", tags=["admin"], dependencies=[Depends(require_admin)])
 
@@ -31,3 +31,25 @@ async def review(response: Response):
 async def confirm(payload: Confirmation, response: Response, admin: dict = Depends(require_admin)):
     response.headers["Cache-Control"] = "no-store"
     return await confirm_identities(payload.revision, payload.user_ids, admin)
+
+
+class Resolution(BaseModel):
+    model_config = ConfigDict(extra="forbid")
+    user_id: int = Field(gt=0, strict=True)
+    jellyfin_user_id: str = Field(pattern=r"^[a-f0-9]{32}$")
+
+
+class ResolutionConfirmation(Resolution):
+    revision: str = Field(pattern=r"^[a-f0-9]{64}$")
+
+
+@router.post("/resolve/check")
+async def check_resolution(payload: Resolution, response: Response):
+    response.headers["Cache-Control"] = "no-store"
+    return await resolve_identity(payload.user_id, payload.jellyfin_user_id)
+
+
+@router.post("/resolve/confirm")
+async def confirm_resolution(payload: ResolutionConfirmation, response: Response, admin: dict = Depends(require_admin)):
+    response.headers["Cache-Control"] = "no-store"
+    return await resolve_identity(payload.user_id, payload.jellyfin_user_id, payload.revision, admin)