粘土立体模型历史时间线：改变历史的4天

2x2 grid, 16:9, do this for 4 famous days that changed history<instructions> CREATE VIEW clay_timeline AS WITH topic_data AS ( SELECT '$topic' AS subject, infer_historical_evolution('$topic') AS stages, infer_iconic_props('$topic') AS props, infer_educational_labels('$topic') AS labels ), panels AS ( SELECT stage_index, stage_name, stage_prop, stage_label, stage_color_accent FROM topic_data, unnest(stages) WITH ORDINALITY AS s(stage_name, stage_prop, stage_label, stage_color_accent, stage_index) ) SELECT compose_clay_timeline( main_subject := (SELECT subject FROM topic_data), panels := array_agg( clay_diorama_panel( title := stage_name, clay_object := stage_prop || ' as chunky matte polymer clay miniature', callouts := stage_label, color_accent := stage_color_accent, base := 'rounded display plinth with soft shadow' ) ORDER BY stage_index ), typography := 'bold hand‑drawn marker lettering, short punchy notes, underlines and arrows', materials := 'soft polymer clay, matte toy plastic, rounded handmade props, puffy sculpted icons', lighting := 'soft studio light, gentle shadows, even bright toy‑photography clarity', background := 'warm pastel with teal, coral, pink, cream, yellow, mint, orange, soft green', mood := 'friendly, educational, nostalgic, cute, clever, shareable', negative := 'photorealism, corporate infographic, flat 2D only, dark cinematic, gritty, tiny fragile detail' ) AS final_image FROM panels; RETURN final_image; </instructions>