Implement a new GuangYaPan cloud drive integration across the backend, admin UI, playback proxy, and Spider91 migration flow.
Backend changes:\n- Add a GuangYaPan drive driver with token refresh, QR/device login support, directory listing, stream link resolution, directory creation, rename/delete operations, OSS multipart upload, and upload task polling.\n- Register GuangYaPan as a supported storage kind in configuration, catalog normalization, admin APIs, public drive labels, and 302 playback redirects.\n- Allow Spider91 crawler uploads to target GuangYaPan through a dedicated migration adapter.\n- Add scan, thumbnail, preview, and fingerprint cooldown handling for GuangYaPan based on explicit HTTP status codes, Retry-After values, and structured provider codes instead of natural-language message matching.\n- Tighten existing provider cooldown detectors so OneDrive, Google Drive, 115, PikPak, 123pan, Wopan, and media workers avoid treating arbitrary response text as a rate-limit signal.\n- Keep large videos eligible for preview generation unless the user disables preview generation.
Admin and tooling changes:\n- Add GuangYaPan as a selectable drive type with QR login UI and token/root-path credential fields.\n- Add crawler upload target support for GuangYaPan in the admin UI.\n- Add drive branding, labels, metadata display, and docs/config examples for GuangYaPan.\n- Include a standalone GuangYaPan QR login helper script for manual credential acquisition.
Tests:\n- Add GuangYaPan driver, QR login, proxy, admin API, crawler upload target, fingerprint, cooldown, and form coverage.\n- Update rate-limit tests to assert that message-only throttling text no longer starts cooldowns.\n- Cover explicit HTTP status parsing through shared drive helper tests.
Add Unicom cloud drive support for source-file deletion and crawler uploads.
- Implement source-file removal for Unicom cloud drive so deleting videos can also remove the original cloud-drive file when requested.
- Resolve Unicom cloud drive source identifiers across file FID, object ID, directory ID, rename, and delete flows.
- Add upload support for Spider91 crawler imports targeting Unicom cloud drive storage.
- Add Unicom cloud drive QR login backend APIs, frontend form support, and tests.
- Extend drive capability metadata, scanner behavior, proxy handling, preview handling, and migration coverage for cloud-drive source operations.
- Rename Chinese display labels from 联通沃盘 to 联通网盘 and from 123 云盘 to 123网盘 while keeping the root README aligned with origin/main.
- Add referrer-policy coverage for 302 video playback and update related frontend playback tests.
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