Architectural Signage Construction Drawing

Prompt

{   "type": "architectural construction drawing",   "subject": "outdoor landscape sign",   "style": "black and white technical line drawing, precise dimensions, engineering callouts, Chinese annotations",   "sign_details": {     "main_text": "{argument name=\"main sign text\" default=\"hi Park\"}",     "sub_text": "{argument name=\"sub sign text\" default=\"天府公园运动中心\"}",     "english_sub_text": "West Entrance"   },   "layout": {     "diagrams_count": 8,     "sections": [       {         "position": "top left",         "title": "① 立面图 1:20",         "description": "Front elevation showing overall dimensions and callouts pointing to the letters and base."       },       {         "position": "top middle",         "title": "② 侧立面图 1:20",         "description": "Side elevation showing depth dimensions."       },       {         "position": "top right",         "elements": [           {             "type": "table",             "title": "材质与颜色表",             "rows": 6,             "columns": 4           },           {             "type": "text_block",             "title": "材质说明:",             "points_count": 3           },           {             "type": "text_block",             "title": "结构说明:",             "points_count": 3           }         ]       },       {         "position": "middle left",         "title": "③ 平面图 1:20",         "description": "Top-down plan view with horizontal dimensions."       },       {         "position": "middle right",         "title": "④ 1-1剖面图 1:20",         "description": "Cross-section view showing foundation and ground levels."       },       {         "position": "bottom row",         "description": "Four detailed node diagrams enclosed in dashed boxes.",         "details": [           "⑤ 节点A 字母与基座连接详图 1:5",           "⑥ 节点B 基座与地面固定详图 1:5",           "⑦ 预埋件详图 1:10",           "⑧ 基础做法详图 1:15"         ]       }     ],     "footer": {       "position": "bottom edge",       "blocks": [         {           "title": "施工说明:",           "points_count": 4         },         {           "title": "技术要求:",           "points_count": 3         },         {           "title": "title block",           "fields": [             "图名: {argument name=\"project title\" default=\"景观小品施工图\"}",             "图号: {argument name=\"drawing number\" default=\"LP-01\"}",             "比例: 见图",             "日期: {argument name=\"drawing date\" default=\"20...