HiveBrain was designed with shared/cloud mode as the default behavior. When TURSO_URL was set, it connected to cloud automatically. The --local flag was an opt-in for privacy. This created a bad default: new users submissions would go to a shared database without explicit opt-in.

Multi-word searches like react hydration returned irrelevant entries because tag/keyword/framework layer scoring over-weighted multi-layer matches for a single term. An entry matching react in both tags and framework got score 55, passing the 40 percent noise threshold against a top score of 115.