优先使用Audiences特有的解析逻辑（从"总数/未读数"格式提取真正的未读数），
仅在匹配不到时才fallback到NexusPHP基类的通用正则，避免基类将总消息数
误判为未读数导致发送大量错误通知。
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
- Add studio, country, runtime tags to NFO generation
- Fix Fanart naming: showbackground→fanart (recognized by Jellyfin/Emby)
- Add image alias system: backdrop↔fanart, thumb↔landscape
- Merge image sources from all modules instead of first-wins
- Add CLEARART and LANDSCAPE scraping metadata types
- Extend season scraping with backdrop and landscape support
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
- Replace Playwright-based browser emulation with CloakBrowser as default
- Update config to support CloakBrowser options and humanization presets
- Refactor browser helper to use CloakBrowser context and remove cf_clearance dependency
- Update Dockerfile, entrypoint, and update scripts to install CloakBrowser runtime
- Ensure CloakBrowser kernel is pre-installed during local setup and dependency updates
- Add tests for CloakBrowser integration and legacy compatibility
- Add methods to save and retrieve last search parameters in SearchChain
- Persist search params alongside results for replayable search context
- Add /last/context endpoint to fetch last search results and parameters
- Update tests to cover search param caching logic
- Allow images.tmdb.org in SECURITY_IMAGE_DOMAINS
- Add ChannelCapability.PROCESSING_STATUS and capability detection for supported channels
- Implement mark_message_processing_started/finished in Telegram, Slack, Discord, Feishu modules
- Telegram: manage typing lifecycle with max duration and explicit stop
- Slack: add/remove reaction as processing indicator
- Discord: start/stop typing indicator with async task management
- Feishu: add/remove reaction for processing status
- Refactor message chain to invoke processing status hooks for supported channels
- Ensure processing status is properly finished on sync and async message handling paths
- Add tests for processing status lifecycle and capability detection across channels
