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/5cd6d5e7f3d44e79a072b90b12324b08/metadata.json

@@ -0,0 +1,80 @@
+{
+  "source": "oshwhub",
+  "source_url": "https://oshwhub.com/liguanxi/esp32-fei-kong_copy_copy",
+  "project_id": "5cd6d5e7f3d44e79a072b90b12324b08",
+  "title": "ESP32四轴飞行器(飞控)",
+  "description_short": "基于ESP32-S3设计的迷你飞控",
+  "description_path": "description.md",
+  "author": {
+    "username": "liguanxi",
+    "display_name": "liguanxi",
+    "user_id": "84e690a3e770469caed7ac03397e8a5a"
+  },
+  "license": "GPL 3.0",
+  "tags": [],
+  "created_at": "2023-01-26T09:10:38.000Z",
+  "updated_at": "2024-09-02T02:22:55.000Z",
+  "published_at": "2023-01-31T07:58:40.000Z",
+  "crawled_at": "2026-04-30T10:49:10.088692+00:00",
+  "metrics": {
+    "likes": 70,
+    "stars": 197,
+    "forks": 56,
+    "views": 25542,
+    "watch": 0,
+    "comments": 18
+  },
+  "cover": {
+    "url": "https://image.lceda.cn/pullimage/4reo3Fdn2ck1Xhsns4INael7PBwwCj41kdqbcWDo.jpeg",
+    "path": null
+  },
+  "files": [
+    {
+      "name": "ESP32飞行器演示视频.mp4",
+      "url": "https://image.lceda.cn/attachments/2023/1/MHbsVZjjLjGJpO4Vute0S93fXPDLEZ8YFo57mFYm.mp4",
+      "original_id": "404ad483545f4b9eadc1822238d90b87",
+      "ext": "mp4",
+      "mime": "video/mp4",
+      "size": 8947439,
+      "md5": "f017f3a437c67aac03c1b79e6980c432"
+    },
+    {
+      "name": "Gerber_PCB.zip",
+      "url": "https://image.lceda.cn/attachments/2023/1/9rY21bMBX3bQE6eibBg36js3zgrs7UVvBpvDSCRK.zip",
+      "original_id": "98f2498298574a3898bc4ac59c7bad5f",
+      "ext": "zip",
+      "mime": "application/x-zip-compressed",
+      "size": 89777,
+      "md5": "936638fe507d4efe3f4d988168059943"
+    }
+  ],
+  "raw_fields": {
+    "path": "liguanxi/esp32-fei-kong_copy_copy",
+    "grade": 3,
+    "origin": "std",
+    "public": true,
+    "publish": true,
+    "skipped_files": []
+  },
+  "source_format": "easyeda-std",
+  "source_path": "source/",
+  "source_documents": [
+    {
+      "doc_uuid": "5184be38ca3048c999624a40b1049ea5",
+      "docType": 1,
+      "master": "6972dcd959504186ae8415a7df7132d5",
+      "path": "source/5184be38ca3048c999624a40b1049ea5.json",
+      "size": 141609,
+      "sha256": "5db9dd9695f1a09884c5057dbf368debf4ef813fdbda4a19530165982f0a9202"
+    },
+    {
+      "doc_uuid": "078af24d2be24160bc0b3e4088e380f3",
+      "docType": 3,
+      "master": "73897ec803ed429da750d2abeb2869e6",
+      "path": "source/078af24d2be24160bc0b3e4088e380f3.json",
+      "size": 570408,
+      "sha256": "653dd1f0fdcd46234807a1e63e8f57faba7f5f295bfa607458bdead5fd8b0304"
+    }
+  ],
+  "editor_version": "6.5.29"
+}