Spike 2 (data source) completed: - All SQLite threads fields verified stable (model, cwd, git_branch, tokens_used) - JSONL event names stable across 2 sessions (function_call, task_started, token_count, etc.) - Bonus: token_count event has rate_limits.primary/secondary.used_percent and plan_type - HudState updated with rateLimitPrimary, rateLimitSecondary, planType fields Spike 1 (pane mode): pending - tmux not installed, manual steps documented Spike 3 (inline): pending - needs real TTY, test script provided Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>