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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":615}||{"docType":"DEVICE","client":"0bb2c9fe-c897-4bff-b46c-eaa1f7c27461","uuid":"928f92a1ac5741b2a29e256c9f8d6786","updateTime":1752133855000,"version":"1649878824","editVersion":"3.2.91","user":{"uuid":"16555ec60452466ea4dbaa7c6b92cd89","nickname":"乐鑫小铁匠","username":"esp-college","avatar":"//image.lceda.cn/avatars/2023/7/DgnM9iWggXtWZa70BQwJnpb1x7P2etO5s7i6vqxp.png"}}|
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{"type":"DOCHEAD","ticket":616}||{"docType":"DEVICE","client":"0bb2c9fe-c897-4bff-b46c-eaa1f7c27461","uuid":"928f92a1ac5741b2a29e256c9f8d6786","updateTime":1752133855000,"version":"1649878824","editVersion":"3.2.91","user":{"uuid":"16555ec60452466ea4dbaa7c6b92cd89","nickname":"乐鑫小铁匠","username":"esp-college","avatar":"//image.lceda.cn/avatars/2023/7/DgnM9iWggXtWZa70BQwJnpb1x7P2etO5s7i6vqxp.png"}}|
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{"type":"META","ticket":617,"id":"META"}||{"title":"1.25T-2P卧贴","tags":["连接器","线对板针座"],"source":"b7eb523124054a46be5c2a495c861f0d|0819f05c4eef4c71ace90d822a990e87","images":["https://alimg.szlcsc.com/upload/public/product/middle/20221228/4778600F12670D9E65918E1B926834CD.jpg"],"attributes":{"LCSC Part Name":"1x2P 间距:1.25mm 卧贴 系列:PicoBlade(MX 1.25)","Supplier Part":"C22074","Manufacturer":"BOOMELE(博穆精密)","Manufacturer Part":"1.25T-2P卧贴","Supplier Footprint":"SMD,P=1.25mm","JLCPCB Part Class":"扩展库","Datasheet":"https://atta.szlcsc.com/upload/public/pdf/source/20171115/C145988_15107293531801120472.pdf","Supplier":"LCSC","Add into BOM":"yes","Convert to PCB":"yes","Symbol":"8ef1fd65f2fd494db56c4b834676dd73","Designator":"P?","Footprint":"4d1f390737d54d40921fefa75c152447","3D Model":"45a3eccea0934e97b18d35cd29e7b357","3D Model Title":"CONN-SMD_MX1.25-WS-2P","3D Model Transform":"301.1805,204.3303,0,180,0,0,0,19.685,0","Pins Structure":"1x2P","Pitch":"1.25mm","Mounting Type":"卧贴","Reference Series":"PicoBlade(MX 1.25)","Number of Pins":"2P","Number of Rows":"1","Number of PINs Per Row":"2","Row Spacing":"-","Current Rating":"-","Contact Material":"-","Contact Plating":"-","Operating Temperature":"-","Voltage Rating":"-","Plastic Material":"-","Flame Retardant Rating":"-","Supplementary Features":"-","Color":"-","Z-Height of the Board":"-","X-Length of Bottom Edge on Board (Spacing Line)":"-","Y-Width of Bottom Edge on Board":"-","Name":"={Manufacturer Part}","Description":"插针结构:1x2P;间距:1.25mm;安装方式:卧贴;参考系列:PicoBlade(MX 1.25);总PIN数:2P;排数:1;每排PIN数:2;行距:-;额定电流:-;触头材质:-;触头镀层:-;工作温度:-;"}}|
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