AI Search, Cleanup Automation, and Subpath Improvements

This release introduces major improvements to AI-powered search, automated request cleanup, and frontend subpath handling, along with multiple fixes and backend stability enhancements.

🤖 AI Search Improvements

• Added like/dislike feedback system for AI search recommendations (#339)
• Added option to hide already recommended titles from AI search results (#339)
• Added support for tracking viewed recommendations with new internal tables
• Improved recommendation normalization, schema validation, and fallback handling in the LLM service
• Added Enter-to-search support for a smoother search experience

🧹 Cleanup Automation

• Added automatic cleanup for unfavorited SuggestArr requests after a grace period (#340)
• Improved cleanup messaging for multiple media servers
• Updated cleanup notifications to better reflect Seer file deletion requests
• Integrated cleanup settings directly into the advanced settings interface

🌐 Routing & Subpath Handling

• Improved frontend routing and static asset handling for deployments using a SUBPATH (#328)
• Added normalized SUBPATH helper utilities and middleware support
• Enhanced HTML injection and frontend response handling for reverse proxy environments

🔗 Providers & Integrations

• Improved Seer integration by refreshing login sessions before submitting requests (#351)
• Fixed LLM connection tests to properly use max_completion_tokens (#338)
• Updated multiple Python dependencies

⚡ Core & Performance

• Added concurrent IMDb lookups in the discover API to resolve N+1 bottlenecks (#329)
• Improved async client lifecycle handling and internal service stability
• Enhanced audit log display with collapsible sections and pagination
• Improved toggle option titles and UI clarity across settings pages

🛠 Fixes

• Fixed static files not respecting configured subpaths (#328)
• Fixed Seer permission issues caused by expired sessions (#351)
• Fixed cleanup messaging inconsistencies
• Fixed missing environment variable loading in app.py
• Standardized internal database comment formatting

🧹 Misc

• Removed outdated documentation
• General cleanup and minor improvements