fix(session-query): keep model tools opt-in

examples/acp-agent/session-query.cordis.yml

@@ -0,0 +1,12 @@
+# Explicit session-query tool opt-in for the dedicated spill scenario. The
+# nested filesystem overlay supplies private spill storage and its byte limit.
+- id: base
+  name: '@cordisjs/plugin-include'
+  config:
+    path: ./fs.cordis.yml
+    patches:
+      - insert:
+          - id: tool-session-query
+            name: '@deepseek-ai/dsh-tool-session-query'
+          - id: timeout-policy
+            name: '@deepseek-ai/dsh-timeout-policy'