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exec_driver.py lifts PINK's TTL-resolution logic (_exec_after_submit / _handle_expired_working, live-proven) into a standalone driver with injected ports (router/submit/pump/slot_view/venue_flat/ref-price) and replaces the 1s polling sweep with one DeadlineScheduler deadline per working order. The driver is the TIMING authority (router clamps TTLs >=0.5s — its internal deadline is vestigial here); the router stays the POLICY authority. R1 preserved verbatim: exit TTL -> MARKET escalation on the SAME trade_id; post-only reject -> schedule_in(0) through the one shared resolution path; venue-truth requote gate fails safe. scripted_venue.py subclasses MockVenueAdapter (zero shared edits) with per-trade directives: IMMEDIATE_FILL / REST_THEN_FILL / REST_THEN_EXPIRE / POST_ONLY_REJECT / CANCEL_REJECT / FILL_RACES_CANCEL; deferred fills release through reconcile() (the production pump seam), never the 50ms subscribe() poll. 17 new tests incl. full-kernel CANCEL->venue mapping, fill-races-cancel, bounded retry chains, on_fill deadline cancellation, fail-safe probe. Router 77 green untouched; shared files clean. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>