Add account details view for admin

src/allmende_payment_system/api/admin.py

@@ -387,3 +387,26 @@ async def add_balance_to_account(
     return RedirectResponse(
         url="/admin/accounts", status_code=status.HTTP_303_SEE_OTHER
     )
+
+
+@admin_router.get("/accounts/{account_id}/details")
+async def view_account_details(
+    request: Request,
+    session: SessionDep,
+    user: UserDep,
+    account_id: int,
+):
+    if not user.has_permission("account", "edit"):
+        raise HTTPException(status_code=403, detail="Insufficient permissions")
+
+    account = session.execute(
+        select(Account).where(Account.id == account_id)
+    ).scalar_one()
+
+    templates = get_jinja_renderer()
+
+    return templates.TemplateResponse(
+        request,
+        "account_details.html.jinja",
+        context={"account": account},
+    )