{
  "project": "Claude Code UI Rebuild — V4_ULTRA_POLISH_LOOP",
  "started_at": "2026-07-10T14:20:00Z",
  "iteration_history": [
    {
      "iteration": 1,
      "version": "v3",
      "kimi_score": 81,
      "delta": null,
      "changed_files": [
        "scenes/scenes.json",
        "scripts/render_claude_ui_frames.py",
        "scripts/generate_claude_ui_clips.py",
        "scripts/compose_claude_ui_video.py"
      ],
      "key_improvements": [
        "Font size +25% for mobile",
        "Reduced info density (4 subtasks, 1 worker)",
        "Added cursor blink and progress bar pulse",
        "Tighter pacing (38s vs 49s)"
      ],
      "remaining_issues": [
        "Progress bar is static in frame (baked at 55%/72%)",
        "Multi-agent shows only 1 worker",
        "No real terminal dynamics (all zoompan/pulse)",
        "Claude Code UI details minimal"
      ],
      "decision": "proceed_v4"
    },
    {
      "iteration": 2,
      "version": "v4_ultra_polish",
      "kimi_score": 85,
      "delta": 4,
      "changed_files": [
        "v4_ultra_polish/scenes/scenes_v4.json",
        "v4_ultra_polish/scripts/render_claude_ui_frames_v4.py",
        "v4_ultra_polish/scripts/generate_claude_ui_clips_v4.py",
        "v4_ultra_polish/scripts/compose_claude_ui_video_v4.py"
      ],
      "key_improvements": [
        "Multi-frame per-scene rendering (1095 frames total)",
        "Real-time progress bar growth (0→100%)",
        "Token count increment animation",
        "3 agents with individual progress bars",
        "Line-by-line bash output reveal",
        "Code lines type in progressively",
        "Diff lines slide in with +/- counter",
        "Error flash at critical moment",
        "Agent lifecycle (spawning→running→complete)",
        "Real Claude Code tool call cards: Bash(), Write(), Edit()",
        "Improved mobile readability (font +10-15% over v3)",
        "Subtitle font 18 (was 14), margin 60 (was 30)"
      ],
      "remaining_issues": [
        "Opening lacks hook — first 3s too static",
        "Code area font too small on mobile",
        "Error→fix→success chain missing — jumps from fail to pass without showing fix"
      ],
      "decision": "continue_v5"
    }
  ],
  "current_version": "v4_ultra_polish",
  "kimi_target": 90,
  "stop_rules": {
    "freeze_at_90": true,
    "max_iterations_no_improvement": 3,
    "rollback_on_regression": true
  }
}