Keep the production-entry-point e2e (XAI_API_KEY alone -> zero web tools, +TAVILY_API_KEY -> both) and the explicit web.backend: xai control; the three unit-level duplicates asserted the same gate through patched probes.
Keep the production-entry-point e2e (XAI_API_KEY alone -> zero web tools, +TAVILY_API_KEY -> both) and the explicit web.backend: xai control; the three unit-level duplicates asserted the same gate through patched probes.