飞控-77: 74 std flight-controller projects ingested

Topic-pull from local listing index (`name OR introduction` contains
飞控). 77 std hits in oshwhub_listing_full.jsonl, minus 2 already
crawled = 75 attempted; 74 OK + 1 hard fail (`m1_mh743_ada_v4`,
listing entry missing `count.like`).

dev1 walltime: Step 1 ~12s, Step 4 ~80s (concurrency=5).
License mix: 65% GPL 3.0, 11% Public Domain, 11% MIT, 4% CC variants.

3 partial dirs (Step 1 KeyError on missing `count.like`) dropped — to
be re-fetched after a follow-up crawler patch makes count fields
defensive against listing-index outliers.

Source backfill 74/74 OK, total +46 MB.

data/raw/oshwhub/8394447d1bf7406daf1e58458bfd5262/metadata.json

@@ -0,0 +1,121 @@
+{
+  "source": "oshwhub",
+  "source_url": "https://oshwhub.com/dahjdksakdlshjkads/g-zhi-bao-fei-xing-qi",
+  "project_id": "8394447d1bf7406daf1e58458bfd5262",
+  "title": "2021年 G题 植保飞行器 639423A队",
+  "description_short": "本次比赛设计了一个基于自制飞控板的四旋翼飞行器的植保飞行器，其中包括了双目摄像头、激光雷达、自制图像处理模块、超声波测距模块等传感器。植保飞行器能够根据赛题要求，自动控制农药的播撒。",
+  "description_path": "description.md",
+  "author": {
+    "username": "dahjdksakdlshjkads",
+    "display_name": "dahjdksakdlshjkads",
+    "user_id": "2e8f052d39924cb8a0257cbd3ba917c1"
+  },
+  "license": "CC-BY-NC-SA 3.0",
+  "tags": [],
+  "created_at": "2021-12-22T13:54:55.000Z",
+  "updated_at": "2024-09-29T09:36:05.000Z",
+  "published_at": "2022-01-20T11:34:51.000Z",
+  "crawled_at": "2026-04-30T10:49:13.224159+00:00",
+  "metrics": {
+    "likes": 74,
+    "stars": 140,
+    "forks": 17,
+    "views": 21796,
+    "watch": 0,
+    "comments": 0
+  },
+  "cover": {
+    "url": "https://image.lceda.cn/pullimage/3wiuqTi29BTdzNVsr4g4seSOHTp5qSHTALtOtRip.jpeg",
+    "path": null
+  },
+  "files": [
+    {
+      "name": "视觉程序.zip",
+      "url": "https://image.lceda.cn/attachments/2022/1/4mq3yPk9dKu9BlbbviBtSmpo1RcbC96m5v8Sk76t.bin",
+      "original_id": "6b09367a41e04b1dae4c7c575f35630b",
+      "ext": "bin",
+      "mime": "application/zip",
+      "size": 1875,
+      "md5": "92ecd46ae442dcb6d25457b78312cec4"
+    },
+    {
+      "name": "飞控软件.zip",
+      "url": "https://image.lceda.cn/attachments/2022/1/LWmoGlqmXaSyAT2tPMyYY3JZLAneeVh8D4STA0eh.bin",
+      "original_id": "477cfb9c73b143f4931bc5f522dba818",
+      "ext": "bin",
+      "mime": "application/zip",
+      "size": 23123396,
+      "md5": "fd24dbbb7e9978761874c46bb413ac88"
+    },
+    {
+      "name": "报告.pdf",
+      "url": "https://image.lceda.cn/attachments/2022/1/Rq76jqcziw658i704sOX5Qnd7LqYC9d4PneekJyt.pdf",
+      "original_id": "d8eb6b7e1e0543cba27e11ce3b8101ab",
+      "ext": "pdf",
+      "mime": "application/pdf",
+      "size": 1543787,
+      "md5": "70a8d612051d8e1384543150812a13cc"
+    }
+  ],
+  "raw_fields": {
+    "path": "dahjdksakdlshjkads/g-zhi-bao-fei-xing-qi",
+    "grade": 3,
+    "origin": "std",
+    "public": true,
+    "publish": true,
+    "skipped_files": []
+  },
+  "source_format": "easyeda-std",
+  "source_path": "source/",
+  "source_documents": [
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+  "editor_version": "6.4.30"
+}