feat(adapters): port MoviePilot open site framework (7 spiders, 20 user parsers) + MovieClaw v0.27.0 site definitions + mp-sync tools (W1-3c)

- sites/spiders: Haidan/HDDolby/RousiPro/SunnyPT/TNode/TorrentLeech/Yema (+mTorrent wrapper), specialized SiteAdapter, indirect download resolved at download time
- sites/user-parsers: SiteParserBase + all 20 MP SiteSchema parsers (lxml XPath via xpath+xmldom), refreshSiteUserData with schema fallback
- sites/definitions: zod SiteDefinition schemas, 23 MovieClaw v0.27.0 (MIT) definitions via scripts/mp-sync/movieclaw-import.mjs, registry getSiteDefinition/listSiteDefinitions, NOTICE
- scripts/mp-sync: ledger.json (upstream sha256), check.mjs, build-ledger.mjs; docs/porting/mp-sync-ledger.md
- license-and-provenance: add copied-mit kind, re-anchor MovieClaw rows to v0.27.0

Co-Authored-By: Claude Opus 5.5 <[email protected]>

scripts/mp-sync/movieclaw-overrides/chdbits.json

@@ -0,0 +1,16 @@
+{
+  "$comment": "CHDBits 分类名取自 MovieClaw chdbits.yaml 注释(TV Series / TV Shows / Sports / Music Videos / HQ Audio)。",
+  "umt": {
+    "categoryNames": {
+      "401": "电影",
+      "402": "剧集",
+      "403": "综艺",
+      "404": "纪录片",
+      "405": "动漫",
+      "406": "MV",
+      "407": "体育",
+      "408": "HQ Audio",
+      "409": "其他"
+    }
+  }
+}