9889308bf4
Two bugs combined to make the chat reply with only cards and no prose: 1. SQL trigger rollup_session_stats was failing with "column reference total_cost_usd is ambiguous" because the UPDATE on public.profiles had a FROM public.chat_sessions clause and both tables expose that column. Persistence of every user message died at this point — sessions were created in the DB but had message_count=0 forever. Applied SQL fix that qualifies columns with p./s. aliases (production DB updated; ALTER FUNCTION run live, not yet codified in a migration file). 2. The free-tier model (nemotron-3-super:free) spent all 5 tool-loop turns on hybrid_search calls and never wrote any prose, returning content_len=0. Added a forced-synthesis pass in openrouter.ts: when the loop exits with empty assembledText but the model did call tools, we send ONE final turn with tools omitted from the request payload and a user message instructing the model to answer in 3-8 sentences citing chunks. openrouterStreamCall now accepts a `withTools` opt so the synthesis call can disable tool calling entirely. Verified end-to-end with the actual user query "O que os astronautas viram? Quem foi que viu?" on /d/nasa-uap-d6-apollo-17-...: - content_len: 0 → 947 chars (real synthesis citing Schmitt) - artifacts: 44 preserved - assistant message persisted with tool_calls + citations columns |
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| route.ts | ||