diff --git a/apps/backend/.env b/apps/backend/.env
index 548e6f882..46cccf6c1 100644
--- a/apps/backend/.env
+++ b/apps/backend/.env
@@ -123,4 +123,4 @@ STACK_DOCS_INTERNAL_BASE_URL=# override the docs origin used by the backend's AI
 STACK_SPACETIMEDB_URL=# SpacetimeDB host URL; default empty (logging disabled)
 STACK_SPACETIMEDB_DB_NAME=# SpacetimeDB database name
 STACK_MCP_LOG_TOKEN=# shared secret gating the log_mcp_call reducer; must match EXPECTED_LOG_TOKEN in apps/internal-tool/spacetimedb/src/index.ts
-STACK_SPACETIMEDB_SERVICE_TOKEN=# optional; pre-provisioned SpacetimeDB identity token for the backend service. To mint: `curl -X POST <STACK_SPACETIMEDB_URL>/v1/identity` and copy the `token` field.
+STACK_SPACETIMEDB_SERVICE_TOKEN=# backend's SpacetimeDB-minted identity token
diff --git a/apps/backend/src/app/api/latest/ai/query/[mode]/route.ts b/apps/backend/src/app/api/latest/ai/query/[mode]/route.ts
index 6d9d68b61..9d248312c 100644
--- a/apps/backend/src/app/api/latest/ai/query/[mode]/route.ts
+++ b/apps/backend/src/app/api/latest/ai/query/[mode]/route.ts
@@ -5,16 +5,14 @@ import {
   type CommonLogFields,
   type ModeContext,
 } from "@/lib/ai/ai-query-handlers";
-import { logMcpCall } from "@/lib/ai/mcp-logger";
 import { selectModel } from "@/lib/ai/models";
 import { getFullSystemPrompt } from "@/lib/ai/prompts";
 import { requestBodySchema } from "@/lib/ai/schema";
-import { validateImageAttachments } from "@stackframe/stack-shared/dist/ai/image-limits";
 import { getTools, validateToolNames } from "@/lib/ai/tools";
 import { getVerifiedQaContext } from "@/lib/ai/verified-qa";
-import { listManagedProjectIds } from "@/lib/projects";
 import { SmartResponse } from "@/route-handlers/smart-response";
 import { createSmartRouteHandler } from "@/route-handlers/smart-route-handler";
+import { validateImageAttachments } from "@stackframe/stack-shared/dist/ai/image-limits";
 import { yupMixed, yupObject, yupString } from "@stackframe/stack-shared/dist/schema-fields";
 import { getEnvVariable } from "@stackframe/stack-shared/dist/utils/env";
 import { StatusError } from "@stackframe/stack-shared/dist/utils/errors";