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The two surfaces write two event streams (logs/router.log verdicts, stats.jsonl carve records); until now the only live view was raw tail. whittle watch merges both into one feed with the same visual vocabulary as whittle stats: ▸ verdicts colored by served tier family with the reason, family move (opus→haiku / kept), ctx tokens, latency, non-200 statuses, and the full signals trace; 🪓 carves with tool, in→out tokens, percent, strategy; startup lines pass through dim; MCP retrievals render as their own event. Implementation is stdlib-only: a poll-based follower per file (300ms) that tolerates missing files (waits for creation), buffers partial lines, and recovers from rotation by size regression; -n backlog is merged across files by timestamp before following; -plain and NO_COLOR disable ANSI. Watch reads the background service's log; foreground `whittle route` prints to the terminal directly (documented). Docs: README router bullet, ROUTER.md §8, and POLICY.md's authoring loop now reference watch. Tests pin all renderers, follower edge cases, backlog order. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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Implements the
whittle watchsubcommand: one live terminal feed merging both event streams — the router's per-request verdicts (/.whittle/logs/router.log) and the compression hook's per-carve records (/.whittle/stats.jsonl) — rendered as chips in the house visual vocabulary (▸ verdicts colored by served tier, 🪓 carves with token deltas, non-200s in red, signals inline).Poll-based dual-file follower, stdlib only: waits for files that don't exist yet, buffers partial lines, recovers from rotation/truncation.
-nbacklog merged across both files by timestamp,-plain/NO_COLOR support. Tests cover renderers (route, no-op, startup passthrough, non-200, carve, retrieve, junk), the follower's edge cases, backlog merge order, and number formatting.Verified live against real files: session carves and a mid-watch routing verdict rendered together.
This also makes the retired hero-GIF concept honest:
whittle watchnow actually exists, so a future demo can type a real command.🤖 Generated with Claude Code