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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":1356}||{"docType":"DEVICE","client":"5796efe0-71be-4764-a7be-8620972bb90b","uuid":"a2fe9c2c64734ebeb5e79bf1c2bc6fba","updateTime":1744975091000,"version":"1731295201","user":{"uuid":"f6d958b048194965970a097419f0f68a","nickname":"重庆枫叶","username":"cqlcp","avatar":"//image.lceda.cn/avatars/2026/1/FneZQD4JKfDDm92UUIa483axw2OD9PF1E07L9Aby.webp"}}|
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{"type":"DOCHEAD","ticket":1357}||{"docType":"DEVICE","client":"5796efe0-71be-4764-a7be-8620972bb90b","uuid":"a2fe9c2c64734ebeb5e79bf1c2bc6fba","updateTime":1744975091000,"version":"1731295201","user":{"uuid":"f6d958b048194965970a097419f0f68a","nickname":"重庆枫叶","username":"cqlcp","avatar":"//image.lceda.cn/avatars/2026/1/FneZQD4JKfDDm92UUIa483axw2OD9PF1E07L9Aby.webp"}}|
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{"type":"META","ticket":1358,"id":"META"}||{"title":"CD4148WTP_C30584800","tags":[],"source":"4dc8de6f447947a68d1d074013528271|0819f05c4eef4c71ace90d822a990e87","images":["https://alimg.szlcsc.com/upload/public/product/middle/20240727/FF22E14600C2E39DF2CFC577B5283CCC.jpg"],"attributes":{"LCSC Part Name":"电压:75V 电流:100mA","Supplier Part":"C30584800","Manufacturer":"YONGYUTAI(永裕泰)","Manufacturer Part":"CD4148WTP","Supplier Footprint":"0603","JLCPCB Part Class":"Extended Part","Datasheet":"https://atta.szlcsc.com/upload/public/pdf/source/20240725/F6690E735E647F403BA9BCE40A08BD71.pdf","Supplier":"LCSC","Add into BOM":"yes","Convert to PCB":"yes","Symbol":"c52c4adff74f4e0ea718d7f6654e276b","Designator":"D?","Footprint":"b836eb0798b348ddb43df51eb53cee76","3D Model":"35f9a12e738d4b13b3012a5e6f6e8360","3D Model Title":"D0603-RD","3D Model Transform":"61.024,31.496,0,0,0,0,0,0,0","Diode Configuration":"独立式","Forward Voltage (Vf@If)":"1.25V@100mA","Reverse Voltage (Vr)":"75V","Rectified Current":"100mA","Reverse Leakage Current":"5uA@75V","Reverse Recovery Time (trr)":"4ns","Operating Temperature":"150℃@(Tj)","Name":"={Manufacturer Part}","Description":"二极管配置:独立式;正向压降(Vf):1.25V@100mA;直流反向耐压(Vr):75V;整流电流:100mA;反向恢复时间(trr):4ns;"}}|
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