{"schema": "too.foo.history.image-prompt.v1", "slug": "0626-07-02-li-shimin-travels-to-the-tang-capital-chang-an-to-bid-farewell-to-his", "release": "4b157fe58dc3a255", "image_key": "0626-07-02-li-shimin-travels-to-the-tang-capital-chang-an-to-bid-farewell-to-his", "image_sha256": "9db72bc597b28221750bc461285d9fd402fd44858a11fb2fc9b01b7fa1b11ba6", "job": "20260827-062656-tier3", "model": "Ideogram 4 (fp8)", "preset": "V4_TURBO_12", "steps": 12, "seed": 20260823, "width": 1216, "height": 832, "caption_mode": "json", "caption": {"high_level_description": "Mounted Li Shimin, off-centre at Xuanwu Gate, has just released his composite bow; his arrow strikes Li Jiancheng as the crown prince turns his horse away, while mounted Li Yuanji beside him strains against a bowstring still at brace height. The timber throat of Chang’an’s northern palace gate: packed earth underfoot, rammed-earth walls, heavy posts, and tiled eaves glimpsed beyond; the left post is rubbed pale at mounted shoulder height. Li Shimin’s seat presses into his saddle, both boots remain inside their stirrups, and his horse’s four hooves touch the packed-earth floor. Li Shimin’s left fist closes around the released bow grip; the bow’s lower limb overlaps his mounted silhouette. The arrow shaft runs from beside the released bow into Li Jiancheng’s upper torso, with its point supported by the layered coat it penetrates. Li Jiancheng’s fists close around reins connected continuously to his horse’s bridle; the pivoting horse keeps three weight-bearing hooves firmly on the floor. Li Yuanji’s left fist closes around his bow grip and his right fist encloses its string; his boots remain in stirrups and his mount’s hooves touch earth. The gate crossbeam rests directly on both timber posts, and every post base meets the packed-earth floor. It is 626: Early Tang elite riding coats with narrow trousers, leather belts and boots, soft headcloths; faces remain profile or rear three-quarter.; Rammed earth, heavy timber, fired roof tile, matte leather tack, woven silk and wool, horn-wood-sinew bows, wood shafts and iron points.; Composite bows, iron-tipped arrows, saddles with paired stirrups, leather bridles, and timber-and-rammed-earth palace gate construction.", "style_description": {"aesthetics": "sudden close-range betrayal recorded with restrained immediacy. Documentary photographic realism: subtle film grain, believable wear on every material, candid imperfect framing.", "lighting": "Low dawn sun enters from frame right; every rider, horse, bow, and post casts one long leftward shadow, with right-facing surfaces brightest.", "photo": "55mm, f/4, 10 m from Li Jiancheng, Candid medium-wide, slightly canted and asymmetric; a blurred left foreground post clips the frame, Jiancheng and the arrow are sharp, and distant eaves soften.", "medium": "photograph", "color_palette": ["#1E1913", "#4A3B28", "#8A7350", "#C9B892", "#2B2B2A"]}, "compositional_deconstruction": {"background": "The timber throat of Chang’an’s northern palace gate: packed earth underfoot, rammed-earth walls, heavy posts, and tiled eaves glimpsed beyond; the left post is rubbed pale at mounted shoulder height. Low dawn sun enters from frame right; every rider, horse, bow, and post casts one long leftward shadow, with right-facing surfaces brightest.", "elements": [{"type": "obj", "bbox": [220, 40, 920, 360], "desc": "One rear three-quarter rider seated firmly in saddle, boots in stirrups; bow hand grips tightly, curled release hand beside ear, horse’s four hooves grounded."}, {"type": "obj", "bbox": [250, 180, 680, 350], "desc": "One horn-wood-sinew composite bow held nearly vertical, limbs sprung to brace height immediately after release, its lower limb overlapping Li Shimin’s knee."}, {"type": "obj", "bbox": [380, 320, 475, 600], "desc": "One wooden shaft still vibrating, iron point embedded through Jiancheng’s layered coat; fletching projects toward Li Shimin along the released bow’s line."}, {"type": "obj", "bbox": [200, 520, 920, 760], "desc": "One profile rider recoiling around the arrow, both fists closed on reins; his turning horse plants its inner forehoof and pivots on grounded hind hooves."}, {"type": "obj", "bbox": [220, 730, 930, 990], "desc": "One rider with face turned away, right fist clenching bowstring near chest; his angled horse stands on four hooves as he turns back."}, {"type": "obj", "bbox": [300, 720, 690, 900], "desc": "One composite bow crossing Yuanji’s torso, left fist around its grip; limbs remain barely flexed and string stays near brace height."}, {"type": "obj", "bbox": [30, 0, 760, 1000], "desc": "Two massive timber posts carry a crossbeam beneath dark tiled eaves; tool marks vary, and the left post bears one localized pale abrasion."}, {"type": "obj", "bbox": [700, 0, 1000, 1000], "desc": "Firm tamped soil with irregular hoof scuffs and shallow ruts, continuous beneath all three horses and extending through the gate."}]}}, "rendered_input": "{\"high_level_description\": \"Mounted Li Shimin, off-centre at Xuanwu Gate, has just released his composite bow; his arrow strikes Li Jiancheng as the crown prince turns his horse away, while mounted Li Yuanji beside him strains against a bowstring still at brace height. The timber throat of Chang’an’s northern palace gate: packed earth underfoot, rammed-earth walls, heavy posts, and tiled eaves glimpsed beyond; the left post is rubbed pale at mounted shoulder height. Li Shimin’s seat presses into his saddle, both boots remain inside their stirrups, and his horse’s four hooves touch the packed-earth floor. Li Shimin’s left fist closes around the released bow grip; the bow’s lower limb overlaps his mounted silhouette. The arrow shaft runs from beside the released bow into Li Jiancheng’s upper torso, with its point supported by the layered coat it penetrates. Li Jiancheng’s fists close around reins connected continuously to his horse’s bridle; the pivoting horse keeps three weight-bearing hooves firmly on the floor. Li Yuanji’s left fist closes around his bow grip and his right fist encloses its string; his boots remain in stirrups and his mount’s hooves touch earth. The gate crossbeam rests directly on both timber posts, and every post base meets the packed-earth floor. It is 626: Early Tang elite riding coats with narrow trousers, leather belts and boots, soft headcloths; faces remain profile or rear three-quarter.; Rammed earth, heavy timber, fired roof tile, matte leather tack, woven silk and wool, horn-wood-sinew bows, wood shafts and iron points.; Composite bows, iron-tipped arrows, saddles with paired stirrups, leather bridles, and timber-and-rammed-earth palace gate construction.\", \"style_description\": {\"aesthetics\": \"sudden close-range betrayal recorded with restrained immediacy. Documentary photographic realism: subtle film grain, believable wear on every material, candid imperfect framing.\", \"lighting\": \"Low dawn sun enters from frame right; every rider, horse, bow, and post casts one long leftward shadow, with right-facing surfaces brightest.\", \"photo\": \"55mm, f/4, 10 m from Li Jiancheng, Candid medium-wide, slightly canted and asymmetric; a blurred left foreground post clips the frame, Jiancheng and the arrow are sharp, and distant eaves soften.\", \"medium\": \"photograph\", \"color_palette\": [\"#1E1913\", \"#4A3B28\", \"#8A7350\", \"#C9B892\", \"#2B2B2A\"]}, \"compositional_deconstruction\": {\"background\": \"The timber throat of Chang’an’s northern palace gate: packed earth underfoot, rammed-earth walls, heavy posts, and tiled eaves glimpsed beyond; the left post is rubbed pale at mounted shoulder height. Low dawn sun enters from frame right; every rider, horse, bow, and post casts one long leftward shadow, with right-facing surfaces brightest.\", \"elements\": [{\"type\": \"obj\", \"bbox\": [220, 40, 920, 360], \"desc\": \"One rear three-quarter rider seated firmly in saddle, boots in stirrups; bow hand grips tightly, curled release hand beside ear, horse’s four hooves grounded.\"}, {\"type\": \"obj\", \"bbox\": [250, 180, 680, 350], \"desc\": \"One horn-wood-sinew composite bow held nearly vertical, limbs sprung to brace height immediately after release, its lower limb overlapping Li Shimin’s knee.\"}, {\"type\": \"obj\", \"bbox\": [380, 320, 475, 600], \"desc\": \"One wooden shaft still vibrating, iron point embedded through Jiancheng’s layered coat; fletching projects toward Li Shimin along the released bow’s line.\"}, {\"type\": \"obj\", \"bbox\": [200, 520, 920, 760], \"desc\": \"One profile rider recoiling around the arrow, both fists closed on reins; his turning horse plants its inner forehoof and pivots on grounded hind hooves.\"}, {\"type\": \"obj\", \"bbox\": [220, 730, 930, 990], \"desc\": \"One rider with face turned away, right fist clenching bowstring near chest; his angled horse stands on four hooves as he turns back.\"}, {\"type\": \"obj\", \"bbox\": [300, 720, 690, 900], \"desc\": \"One composite bow crossing Yuanji’s torso, left fist around its grip; limbs remain barely flexed and string stays near brace height.\"}, {\"type\": \"obj\", \"bbox\": [30, 0, 760, 1000], \"desc\": \"Two massive timber posts carry a crossbeam beneath dark tiled eaves; tool marks vary, and the left post bears one localized pale abrasion.\"}, {\"type\": \"obj\", \"bbox\": [700, 0, 1000, 1000], \"desc\": \"Firm tamped soil with irregular hoof scuffs and shallow ruts, continuous beneath all three horses and extending through the gate.\"}]}}", "prompt_sha256": "4b5b3fc39150696ac45e4b0311481c204f810494d4c34a4b7fa7637b904cefcf"}