{
  "project": "phase4b_v22_claude_ui_multi_agent",
  "final_stage": "V9_BEST_FINAL_PACKAGE_FROZEN",
  "active_task": null,
  "last_success": "V9 Kimi 92/100 — 制作痕迹全部清除，可直接发布。V9 冻结为 final release package。",
  "kimi_progression": [
    {"version": "v1", "score": 69, "change": "baseline", "frozen": false},
    {"version": "v2", "score": 72, "change": "+3", "frozen": false},
    {"version": "v3", "score": 81, "change": "+9", "frozen": false},
    {"version": "v4", "score": 85, "change": "+4", "frozen": false},
    {"version": "v5", "score": 86, "change": "+1", "frozen": false},
    {"version": "v6", "score": 89, "change": "+3", "frozen": true},
    {"version": "v7", "score": 90, "change": "+1", "frozen": true},
    {"version": "v8", "score": 88, "change": "transitional", "frozen": false},
    {"version": "v9", "score": 92, "change": "+2", "frozen": true, "best": true},
    {"version": "v10", "score": 76, "change": "-16 REGRESSION", "frozen": false},
    {"version": "v11", "score": 88, "change": "+12 (fix v10)", "frozen": false}
  ],
  "total_improvement": "+23 (69→92)",
  "regression": {
    "version": "v10",
    "score_drop": -16,
    "root_cause": "render_frames_v10.py:588 硬编码 '3/3 agents' 与画面 4 agents 矛盾 + hook 黑屏间隙",
    "fixed_in": "v11 (修复至88但仍低于v9)"
  },
  "best_version": "v9",
  "best_score": 92,
  "frozen_at": "2026-07-10T18:04:00",
  "freeze_reason": "V9 92/100 是当前最高分，制作痕迹全部清除，总体发布可用性 10/10。V10 regression (-16)，V11 修复但未超越 (88 < 92)。",
  "next_action": "V9 已冻结。后续如继续优化，必须从 V9 分支复制 V12。不得使用 V10/V11 代码作为基础。",
  "open_blockers": null,
  "final_artifacts": [
    "video/v22_claude_code_ui_rebuild_multi_agent_v9_kimi_cleanup.mp4",
    "video/subtitles_v9.ass",
    "v9_kimi_cleanup/ (compose, render, generate, scenes scripts)",
    "v9_kimi_cleanup/kimi_audit/kimi_review_v9_20260710.md",
    "v9_kimi_cleanup/review_package/ (frames, probe, repair log, comparison)",
    "comparison_records/ (v4/v7 scoreboards, v7/v10 reviews, comparisons)",
    "FINAL_RELEASE_REPORT.md",
    "REGRESSION_REPORT_V10_V11.md",
    "context_os/ (CURRENT_STATE, NEXT_ACTION, ARTIFACT_INDEX, TASK_LEDGER)"
  ],
  "do_not_repeat": [
    "V10 hardcoded agent count bug",
    "Hook black screen gaps (1.0-1.5s dead air)",
    "制作痕迹残留 (顶部元数据/底部硬编码/结尾内部标签)",
    "Real screen recording (F2/AHK/MacroRecorder)",
    "Desktop PowerShell Agent",
    "Background gdigrab recording",
    "Continuing from V11 instead of V9"
  ],
  "updated_at": "2026-07-10T18:04:00",
  "final_kimi_score": 92,
  "final_kimi_verdict": "PASS (92/100) — 制作痕迹清除，直接可发布"
}