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/9bf5f7dd40c346d58b2d056b6ea32133/metadata.json

@@ -0,0 +1,80 @@
+{
+  "source": "oshwhub",
+  "source_url": "https://oshwhub.com/HatsuneMikuHD/mwc-kong-xin-bei-fei-kong",
+  "project_id": "9bf5f7dd40c346d58b2d056b6ea32133",
+  "title": "MWC空心杯飞控+萝莉控4通接收(已修复小问题)",
+  "description_short": "基于MWC飞控的设计",
+  "description_path": "description.md",
+  "author": {
+    "username": "HatsuneMikuHD",
+    "display_name": "HatsuneMikuHD",
+    "user_id": "751caecb46214c45b0685ef724d07a59"
+  },
+  "license": "GPL 3.0",
+  "tags": [],
+  "created_at": "2020-06-10T11:36:58.000Z",
+  "updated_at": "2025-07-28T08:26:26.000Z",
+  "published_at": "2022-01-16T06:49:10.000Z",
+  "crawled_at": "2026-04-30T10:49:14.990614+00:00",
+  "metrics": {
+    "likes": 43,
+    "stars": 122,
+    "forks": 24,
+    "views": 16419,
+    "watch": 0,
+    "comments": 14
+  },
+  "cover": {
+    "url": "https://image.lceda.cn/avatars/2020/9/V7bA7n35O6SwONoFVCa38fGoQ99TncFd6JzJeGQ0.jpeg",
+    "path": null
+  },
+  "files": [
+    {
+      "name": "MultiWii_2_3(郝峰调试好的有刷四轴固件）.rar",
+      "url": "https://image.lceda.cn/attachments/2020/9/09a9Lw4vVTRLM4Y1VaeWr6nwSFjlDQR1BCfN4KiN.rar",
+      "original_id": "933333eaf7414991bc82055ba16417fe",
+      "ext": "rar",
+      "mime": "application/octet-stream",
+      "size": 12721901,
+      "md5": "3d6d80f45255ce265470b446ce441f5d"
+    },
+    {
+      "name": "WMC有刷四轴接线.jpg",
+      "url": "https://image.lceda.cn/attachments/2020/9/dMMFwk20CSFfFnA8Z5oNBlO8kElo7a4o4EDS1Cik.jpeg",
+      "original_id": "789d4c5797ab44cfa3230ccc52da547f",
+      "ext": "jpeg",
+      "mime": "image/jpeg",
+      "size": 223963,
+      "md5": "a93eab083ef507fde5ae7db0cb668b86"
+    }
+  ],
+  "raw_fields": {
+    "path": "HatsuneMikuHD/mwc-kong-xin-bei-fei-kong",
+    "grade": 2,
+    "origin": "std",
+    "public": true,
+    "publish": true,
+    "skipped_files": []
+  },
+  "source_format": "easyeda-std",
+  "source_path": "source/",
+  "source_documents": [
+    {
+      "doc_uuid": "4541211f014c46f4803c6463b49a35b9",
+      "docType": 1,
+      "master": "c55f405dcfdb46fbb63beca713dc3b48",
+      "path": "source/4541211f014c46f4803c6463b49a35b9.json",
+      "size": 124571,
+      "sha256": "9d1739b6a18ed78037eb0e31d8c8be406baf13af3e012c3eeaf003680638fc8c"
+    },
+    {
+      "doc_uuid": "9a13005605f7486fa894c974bc482174",
+      "docType": 3,
+      "master": "ad24eaf933024e0f8bd5e13b1e02f1f8",
+      "path": "source/9a13005605f7486fa894c974bc482174.json",
+      "size": 390945,
+      "sha256": "58d7786546a21f37a7ac639467f848832d3537517e35671eb1f18ef479c04ac7"
+    }
+  ],
+  "editor_version": "6.4.7"
+}