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3282a028c4
打通 oshwhub origin=pro 现代 Pro 3.x 工程的 EPRO2 源抓取链路。3/5
modern Pro 项目完整解出（共 8423 docs / 542 MB plain）：
- X86 主板 7374 docs / 481 MB plain (chain=85, editor=3.2.15)
- 220V 桌面电源 771 docs / 26 MB plain (chain=28, editor=3.2.69)
- ESP-VoCat 278 docs / 7.5 MB plain (chain=12, editor=3.2.91)
剩余 2/5 是 legacy Pro 2.x（立创泰山派 RK3566、梁山派），项目 meta
返回 branch_uuid=null + editorVersion="2.1.40"，没有 git-style chain
模型，文档直接挂在 boards[].sch/pcb 字段上，访问端点暂未挖通；元
数据落库 metadata.json，source/ 留空。
实现要点：
- fetch_pro_source(): 4 步流程（project → branch HEAD → structures
→ /branches/<B>/histories/<HEAD> 即返完整 chain，无需 ?limit 批量
端点）+ 逐 history 走 AES-128-GCM 解密（16 字节 IV，pycryptodome
原生支持）+ gunzip + 按 DOCHEAD 切 per-doc EPRO2 流
- EPRO2 解析坑：行末单 `|` 是行终止符不是字段分隔符，必须先
rstrip("|") 再 split("||")，否则 payload JSON 解析失败 silently
swallow 导致 cur_doc 不设 → 第一轮 X86 板 7374 docs 抽出来只剩 2 个
- docType 实测远不止 BOARD/PCB/SCH/SCH_PAGE，还含 SYMBOL /
FOOTPRINT / DEVICE / BLOB / FONT / CONFIG —— Pro 把组件库快照也
随项目存到 history，下游做 EPRO2→KiCad 转换时必须先把这些 lib
doc 加载进 symbol cache
- Pro 2.x vs 3.x 是不同存储模型 —— 3.x 走 branch 模型（已打通），
2.x 走 boards[] 直链（未打通）；判别条件：project meta 的
branch_uuid 是否为 null
CLI 新增 --with-pro-source / --backfill-pro-source / --pro-cookie /
--origin（按 origin 字段服务端过滤 listing API），crawl_one() 按
origin=pro 自动 dispatch 到 Pro fetcher。
schema：docType 类型从 integer 放宽到 [integer, string, null]
（兼容 Std 的 1/3 + Pro 的 BOARD/SCH 等），新增 message_count 字段。
License 注意：本批 5 个项目全是 NC-SA / GPL，未达 Pro source doc
§4.2 Forge 白名单（MIT/BSD/Apache/CC0/CC-BY/CERN-OHL-P/Unlicense）。
按 CLAUDE.md "研究用、不再分发" 原则 raw 入库无碍；Forge 投影时
另过白名单。
详细技术细节见 docs/sources/easyeda_pro_source.md rev 3 + log.md。
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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{"type":"DOCHEAD","ticket":9753}||{"docType":"DEVICE","client":"d65f147c8efe27cb","uuid":"89d16bcccd998b3f","updateTime":1759497311574,"version":"1654720956"}|
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{"type":"META","ticket":9754,"id":"META"}||{"title":"NCD0402R1","tags":[],"source":"cc6053fe767f4dc594d1c16cf029129e|0819f05c4eef4c71ace90d822a990e87","images":["https://alimg.szlcsc.com/upload/public/product/middle/20230102/4A9EE05432B8A5B36F23A954C44E2C78.jpg"],"attributes":{"LCSC Part Name":"红灯 0402红灯 正贴","Supplier Part":"C130719","Manufacturer":"国星光电","Manufacturer Part":"NCD0402R1","Supplier Footprint":"0402","JLCPCB Part Class":"Extended Part","Datasheet":"https://atta.szlcsc.com/upload/public/pdf/source/20200820/C130719_A72EA5A7FEC83C35856EA0453E4EE775.pdf","Supplier":"LCSC","Add into BOM":"yes","Convert to PCB":"yes","Symbol":"d73f43abee97857c","Designator":"LED?","Footprint":"26f0a2c0b42ee0d8","3D Model":"080bb9bd520f4b34ac21e218e7b036d6","3D Model Title":"LED0402_L1.0-W0.5-H0.2","3D Model Transform":"40.1574,19.685,0,0,0,0,0,-0.0005,0","Emitted Color":"红色","Forward Voltage (VF)":"1.6V~2.6V","Forward Current":"5mA","Power Dissipation":"65mW","Lens Color":"无色透明","Dominant Wavelength":"615nm~635nm","Luminous Intensity":"13mcd~30mcd","Viewing Angle":"130°","Operating Temperature":"-30℃~+85℃","Name":"={Manufacturer Part}","Description":"发光颜色:红色;功率:65mW;透镜颜色:无色透明;主波长:615nm~635nm;发光强度:13mcd~30mcd;发光角度:130°;工作温度:-30℃~+85℃;"}}|
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{"type":"DOCHEAD","ticket":9753}||{"docType":"DEVICE","client":"0fb97aaaf7dbe284","uuid":"89d16bcccd998b3f","updateTime":1759992873615,"version":"1654720956","user":{"uuid":"215caa123bec401fba5bbdb222b0e772","nickname":"一只不爱吃鱼的猫","username":"liuxiaotao","avatar":"//image.lceda.cn/avatars/2022/8/W4GUor1tCl7FLtACkLdILGxmVP32cSSHlLXizbhS.png"}}|
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{"type":"DOCHEAD","ticket":9753}||{"docType":"DEVICE","client":"0d178074b27f50a0","uuid":"89d16bcccd998b3f","updateTime":1759993193068,"version":"1654720956","user":{"uuid":"215caa123bec401fba5bbdb222b0e772","nickname":"一只不爱吃鱼的猫","username":"liuxiaotao","avatar":"//image.lceda.cn/avatars/2022/8/W4GUor1tCl7FLtACkLdILGxmVP32cSSHlLXizbhS.png"}}|
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