{
  "project_id": "31052026-001-Nguyen-Hue-Quang-Trung",
  "step": 5,
  "created_at": "2026-05-31T08:23:06",
  "provider": "gen-img-gpt",
  "model": "cx/gpt-5.5-image",
  "required_before_scene_images": true,
  "approval_status": "approved_for_limited_step06_50_images",
  "references": [
    {
      "character_name": "Nguyễn Huệ / Quang Trung",
      "character_slug": "nguyen-hue",
      "priority": "required",
      "status": "approved",
      "output_path": "images/refs/nguyen-hue_ref.png",
      "prompt": "Create a 16:9 horizontal character reference concept sheet for the historical video series Vet Muc Thoi Gian.\nVisual style: sepia parchment concept sheet, 16:9 horizontal canvas, Vietnamese co phong ink wash, muted browns ochre charcoal, handcrafted historical concept art, not glossy, not 3D.\nHistorical/cultural grounding: late 18th-century Đại Việt / Tây Sơn period, accurate Vietnamese material culture unless character is explicitly Qing or Xiêm; antique paper, ink-wash, no modern objects.\nCharacter identity: Nguyễn Huệ / Quang Trung; role: main hero, emperor-general; estimated age: mid 20s to late 30s; appearance: Vietnamese man, intense bright eyes, strong build, commanding posture; costume: áo vải/áo trận Tây Sơn, later imperial armor/robe, practical cavalry command attire; temperament: decisive, fast, charismatic, strategic; context: Late 18th-century Đại Việt, Tây Sơn uprising, anti-Xiêm and anti-Thanh wars.\nComposition: one coherent reference sheet on a horizontal 16:9 canvas with one main full-body figure, one smaller portrait detail, and a few subtle costume/weapon details integrated on parchment; keep identity clear for later scene consistency.\nNegative exclusions: do not Europeanize, no fantasy armor, avoid modern medals, modern objects, fantasy armor, Europeanized face, glossy digital poster, 3D/game key art, watermark, logo, readable labels, wrong culture, vertical canvas, square canvas, 3:2 canvas.",
      "generated_at": "2026-05-31T08:25:08",
      "approval": "approved_by_user_for_limited_step06",
      "approved_at": "2026-05-31T08:42:05"
    },
    {
      "character_name": "Nguyễn Ánh",
      "character_slug": "nguyen-anh",
      "priority": "recommended",
      "status": "approved",
      "output_path": "images/refs/nguyen-anh_ref.png",
      "prompt": "Create a 16:9 horizontal character reference concept sheet for the historical video series Vet Muc Thoi Gian.\nVisual style: sepia parchment concept sheet, 16:9 horizontal canvas, Vietnamese co phong ink wash, muted browns ochre charcoal, handcrafted historical concept art, not glossy, not 3D.\nHistorical/cultural grounding: late 18th-century Đại Việt / Tây Sơn period, accurate Vietnamese material culture unless character is explicitly Qing or Xiêm; antique paper, ink-wash, no modern objects.\nCharacter identity: Nguyễn Ánh; role: rival Nguyễn lord in exile; estimated age: late teens to 30s; appearance: young aristocratic Nguyễn lord, wary determined expression; costume: Đàng Trong noble robes/war travel attire; temperament: persistent, calculating, survival-driven; context: Nguyễn restoration struggle in Gia Định.\nComposition: one coherent reference sheet on a horizontal 16:9 canvas with one main full-body figure, one smaller portrait detail, and a few subtle costume/weapon details integrated on parchment; keep identity clear for later scene consistency.\nNegative exclusions: not modern royal uniform, modern objects, fantasy armor, Europeanized face, glossy digital poster, 3D/game key art, watermark, logo, readable labels, wrong culture, vertical canvas, square canvas, 3:2 canvas.",
      "generated_at": "2026-05-31T08:27:18",
      "approval": "approved_by_user_for_limited_step06",
      "approved_at": "2026-05-31T08:42:05"
    },
    {
      "character_name": "Lê Chiêu Thống",
      "character_slug": "le-chieu-thong",
      "priority": "recommended",
      "status": "approved",
      "output_path": "images/refs/le-chieu-thong_ref.png",
      "prompt": "Create a 16:9 horizontal character reference concept sheet for the historical video series Vet Muc Thoi Gian.\nVisual style: sepia parchment concept sheet, 16:9 horizontal canvas, Vietnamese co phong ink wash, muted browns ochre charcoal, handcrafted historical concept art, not glossy, not 3D.\nHistorical/cultural grounding: late 18th-century Đại Việt / Tây Sơn period, accurate Vietnamese material culture unless character is explicitly Qing or Xiêm; antique paper, ink-wash, no modern objects.\nCharacter identity: Lê Chiêu Thống; role: last Lê ruler seeking Qing support; estimated age: 20s; appearance: thin anxious king, conflicted expression; costume: Lê court robes, northern court setting; temperament: desperate, dependent, politically weak; context: Late Lê court crisis in Bắc Hà.\nComposition: one coherent reference sheet on a horizontal 16:9 canvas with one main full-body figure, one smaller portrait detail, and a few subtle costume/weapon details integrated on parchment; keep identity clear for later scene consistency.\nNegative exclusions: avoid heroic framing, modern objects, fantasy armor, Europeanized face, glossy digital poster, 3D/game key art, watermark, logo, readable labels, wrong culture, vertical canvas, square canvas, 3:2 canvas.",
      "generated_at": "2026-05-31T08:29:47",
      "approval": "approved_by_user_for_limited_step06",
      "approved_at": "2026-05-31T08:42:05"
    },
    {
      "character_name": "Tôn Sĩ Nghị",
      "character_slug": "ton-si-nghi",
      "priority": "recommended",
      "status": "approved",
      "output_path": "images/refs/ton-si-nghi_ref.png",
      "prompt": "Create a 16:9 horizontal character reference concept sheet for the historical video series Vet Muc Thoi Gian.\nVisual style: sepia parchment concept sheet, 16:9 horizontal canvas, Vietnamese co phong ink wash, muted browns ochre charcoal, handcrafted historical concept art, not glossy, not 3D.\nHistorical/cultural grounding: late 18th-century Đại Việt / Tây Sơn period, accurate Vietnamese material culture unless character is explicitly Qing or Xiêm; antique paper, ink-wash, no modern objects.\nCharacter identity: Tôn Sĩ Nghị; role: Qing commander; estimated age: middle-aged; appearance: Qing military official, confident then panicked; costume: Qing dynasty armor/official command dress; temperament: arrogant, complacent, later fearful; context: Qing invasion of Đại Việt 1788-1789.\nComposition: one coherent reference sheet on a horizontal 16:9 canvas with one main full-body figure, one smaller portrait detail, and a few subtle costume/weapon details integrated on parchment; keep identity clear for later scene consistency.\nNegative exclusions: keep clearly Qing, not Vietnamese, modern objects, fantasy armor, Europeanized face, glossy digital poster, 3D/game key art, watermark, logo, readable labels, wrong culture, vertical canvas, square canvas, 3:2 canvas.",
      "generated_at": "2026-05-31T08:32:06",
      "approval": "approved_by_user_for_limited_step06",
      "approved_at": "2026-05-31T08:42:05"
    },
    {
      "character_name": "Lê Ngọc Hân",
      "character_slug": "le-ngoc-han",
      "priority": "recommended",
      "status": "approved",
      "output_path": "images/refs/le-ngoc-han_ref.png",
      "prompt": "Create a 16:9 horizontal character reference concept sheet for the historical video series Vet Muc Thoi Gian.\nVisual style: sepia parchment concept sheet, 16:9 horizontal canvas, Vietnamese co phong ink wash, muted browns ochre charcoal, handcrafted historical concept art, not glossy, not 3D.\nHistorical/cultural grounding: late 18th-century Đại Việt / Tây Sơn period, accurate Vietnamese material culture unless character is explicitly Qing or Xiêm; antique paper, ink-wash, no modern objects.\nCharacter identity: Lê Ngọc Hân; role: Lê princess, Quang Trung consort; estimated age: young adult; appearance: noble Vietnamese woman, composed and sorrowful; costume: Lê princess court dress, refined northern textile; temperament: graceful, politically significant, mournful memory; context: Marriage linking Tây Sơn and Lê legitimacy.\nComposition: one coherent reference sheet on a horizontal 16:9 canvas with one main full-body figure, one smaller portrait detail, and a few subtle costume/weapon details integrated on parchment; keep identity clear for later scene consistency.\nNegative exclusions: no modern bridal style, modern objects, fantasy armor, Europeanized face, glossy digital poster, 3D/game key art, watermark, logo, readable labels, wrong culture, vertical canvas, square canvas, 3:2 canvas.",
      "generated_at": "2026-05-31T08:33:27",
      "approval": "approved_by_user_for_limited_step06",
      "approved_at": "2026-05-31T08:42:05"
    },
    {
      "character_name": "Tây Sơn soldiers and common people",
      "character_slug": "tay-son-soldiers-and-common-people",
      "priority": "required",
      "status": "approved",
      "output_path": "images/refs/tay-son-soldiers-and-common-people_ref.png",
      "prompt": "Create a 16:9 horizontal character reference concept sheet for the historical video series Vet Muc Thoi Gian.\nVisual style: sepia parchment concept sheet, 16:9 horizontal canvas, Vietnamese co phong ink wash, muted browns ochre charcoal, handcrafted historical concept art, not glossy, not 3D.\nHistorical/cultural grounding: late 18th-century Đại Việt / Tây Sơn period, accurate Vietnamese material culture unless character is explicitly Qing or Xiêm; antique paper, ink-wash, no modern objects.\nCharacter identity: Tây Sơn soldiers and common people; role: recurring group; estimated age: varied; appearance: Vietnamese peasants, fighters, boatmen, villagers; costume: áo vải, conical hats, simple armor, spears, muskets, flags; temperament: resolute, urgent, collective energy; context: grassroots army from Bình Định through Bắc Hà.\nComposition: one coherent reference sheet on a horizontal 16:9 canvas with one main full-body figure, one smaller portrait detail, and a few subtle costume/weapon details integrated on parchment; keep identity clear for later scene consistency.\nNegative exclusions: avoid uniform fantasy legion, modern objects, fantasy armor, Europeanized face, glossy digital poster, 3D/game key art, watermark, logo, readable labels, wrong culture, vertical canvas, square canvas, 3:2 canvas.",
      "generated_at": "2026-05-31T08:36:18",
      "approval": "approved_by_user_for_limited_step06",
      "approved_at": "2026-05-31T08:42:05"
    },
    {
      "character_name": "Xiêm and Qing armies",
      "character_slug": "xiem-and-qing-armies",
      "priority": "recommended",
      "status": "approved",
      "output_path": "images/refs/xiem-and-qing-armies_ref.png",
      "prompt": "Create a 16:9 horizontal character reference concept sheet for the historical video series Vet Muc Thoi Gian.\nVisual style: sepia parchment concept sheet, 16:9 horizontal canvas, Vietnamese co phong ink wash, muted browns ochre charcoal, handcrafted historical concept art, not glossy, not 3D.\nHistorical/cultural grounding: late 18th-century Đại Việt / Tây Sơn period, accurate Vietnamese material culture unless character is explicitly Qing or Xiêm; antique paper, ink-wash, no modern objects.\nCharacter identity: Xiêm and Qing armies; role: antagonist groups; estimated age: varied; appearance: foreign troops distinct from Vietnamese locals; costume: Siamese river troops; Qing banners and armor; temperament: threatening, overconfident, chaotic in defeat; context: Rạch Gầm-Xoài Mút and Kỷ Dậu invasion.\nComposition: one coherent reference sheet on a horizontal 16:9 canvas with one main full-body figure, one smaller portrait detail, and a few subtle costume/weapon details integrated on parchment; keep identity clear for later scene consistency.\nNegative exclusions: do not mix cultures carelessly, modern objects, fantasy armor, Europeanized face, glossy digital poster, 3D/game key art, watermark, logo, readable labels, wrong culture, vertical canvas, square canvas, 3:2 canvas.",
      "generated_at": "2026-05-31T08:38:42",
      "approval": "approved_by_user_for_limited_step06",
      "approved_at": "2026-05-31T08:42:05"
    }
  ],
  "validation": {
    "provider_env_GEN_IMG_API_KEY": true,
    "all_required_have_output_path": true,
    "all_references_generated": true,
    "required_references_generated": true,
    "human_approval_limited": "User asked to continue but create only 50 images then stop."
  },
  "approved_for_scene_images": true
}