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/b5c6a75f91804bd1b4992b07c7e77b78/metadata.json

@@ -0,0 +1,79 @@
+{
+  "source": "oshwhub",
+  "source_url": "https://oshwhub.com/sheep_finder/guo-chan-fei-kong",
+  "project_id": "b5c6a75f91804bd1b4992b07c7e77b78",
+  "title": "AT32国产飞控（30.5*30.5）",
+  "description_short": "基于AT32F435VMT7（AT32F437VMT7）国产芯片飞控，兼容重山飞控。\n根据辉光管开源资料：https://oshwhub.com/pdwdw/at32f437以及安总的重山飞控资料",
+  "description_path": "description.md",
+  "author": {
+    "username": "sheep_finder",
+    "display_name": "sheep_finder",
+    "user_id": "dc43748f38a9490396e4969820abff90"
+  },
+  "license": "GPL 3.0",
+  "tags": [],
+  "created_at": "2023-12-10T08:59:56.000Z",
+  "updated_at": "2024-12-26T15:40:48.078Z",
+  "published_at": "2024-12-27T04:03:25.000Z",
+  "crawled_at": "2026-04-30T10:49:13.028336+00:00",
+  "metrics": {
+    "likes": 176,
+    "stars": 366,
+    "forks": 392,
+    "views": 28549,
+    "watch": 0,
+    "comments": 67
+  },
+  "cover": {
+    "url": "https://image.lceda.cn/oshwhub/3722aed72c364e92a0957c07784a834a.png",
+    "path": null
+  },
+  "files": [
+    {
+      "name": "AT32飞控资料.zip",
+      "url": "https://image.lceda.cn/oshwhub/project/attachments/9dde024fc6044d02b67a7b0ed23f33b8.zip",
+      "original_id": "f56244690ac74684bfeae2a9edd743b7",
+      "ext": "zip",
+      "mime": "application/x-zip-compressed",
+      "size": 28841819,
+      "md5": "08e448cd27cb2960258cf0171641b145"
+    }
+  ],
+  "raw_fields": {
+    "path": "sheep_finder/guo-chan-fei-kong",
+    "grade": 2,
+    "origin": "std",
+    "public": true,
+    "publish": true,
+    "skipped_files": []
+  },
+  "source_format": "easyeda-std",
+  "source_path": "source/",
+  "source_documents": [
+    {
+      "doc_uuid": "f511dce97be7424390d6af67babea71d",
+      "docType": 1,
+      "master": "d8387b91659a4f0f96c5743aebda91fc",
+      "path": "source/f511dce97be7424390d6af67babea71d.json",
+      "size": 279366,
+      "sha256": "f794f7d4e554400d42f69e2ffda0de4d820954e2c9a71cc683967016a95f12ca"
+    },
+    {
+      "doc_uuid": "5f141d3ef7c542978651686205c2217b",
+      "docType": 3,
+      "master": "d0594c85704f433795fe16852f3e5471",
+      "path": "source/5f141d3ef7c542978651686205c2217b.json",
+      "size": 1731793,
+      "sha256": "926ef473717b8a840d03599f7e4a8128eea3a63c92bf9550558380dea84d0cee"
+    },
+    {
+      "doc_uuid": "f527684298ab4b13a6c1e508fd2f89c7",
+      "docType": 3,
+      "master": "7050d6f0e9084a08ab8aa385e8e6680d",
+      "path": "source/f527684298ab4b13a6c1e508fd2f89c7.json",
+      "size": 1783218,
+      "sha256": "63107c65be8b7e5b0bb5588d1a9ff14b1c064ffa505c8aa35ffe84c2f08a7b87"
+    }
+  ],
+  "editor_version": "6.5.39"
+}