v0.preview.57

v0.preview.57 - 2026-07-12

• Persist Shift+Tab-selected permission modes as the default for new sessions while keeping Yolo session-only
• Add curated contextual tips beneath the working spinner, with cooldowns and an opt-out setting
• Fix turns that could hang after the model completed by stopping stream collection at MessageStop
• Improve LLM error recovery with structured error kinds, actionable /connect guidance for expired OAuth, bare 403 classification, and FastAPI detail parsing
• Unify theme picker state and open paths to prevent stale selections and conflicting modal transitions
• Improve Harbor eval correctness and efficiency with accurate parallel tool-call grouping, persisted effective flags, single-turn ad hoc runs, native result rendering, and batched archive reads
• Fix and centralize the production telemetry contract