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Garry Tan
e0b454fe58
The productivity multiplier. /scrape discovers the flow; /skillify writes it as deterministic Playwright-via-browse-client code so the next /scrape on the same intent runs in ~200ms. 11-step flow with three locked contracts from the v1.19.0.0 plan review: D1 — Provenance guard. Walk back ≤10 agent turns for a clearly-bounded /scrape result. Refuse with one specific message if cold. No silent synthesis from chat fragments. D2 — Synthesis input slice. Extract ONLY the final-attempt $B calls that produced the JSON the user accepted, plus the user's intent string. Drop failed selectors, drop unrelated chat, drop earlier-session content. Closes Codex finding #6 by picking option (b) from the design doc: re-prompt from agent's own context, not a structured recorder. D3 — Atomic write. Stage to ~/.gstack/.tmp/skillify-<spawnId>/, run $B skill test against the temp dir, only rename into the final tier path on test pass + user approval. Test fail or approval reject = rm -rf the temp dir entirely. Default tier: global (~/.gstack/browser-skills/<name>/). --project flag overrides to per-project. Generated test must include at least one ★★ assertion (parsed JSON has expected shape + non-empty key fields), not a smoke ★ assertion. Bun runtime distribution (Codex finding #7) carries over to Phase 4. Documented in the skill's Limits section. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>