docs(wiki): document AI program execution on remote judges
docs(wiki): clarify bilingual guides and document AI pause and budgets
docs(wiki): update AI access, session expiry and deployment guidance Document private, loopback and link-local AI endpoint restrictions, administrator access, and the HYHOJ_AI_PRIVATE_HOSTS allowlist. Clarify DNS address checks and model listing/connection test concurrency limits: 2 per user and 8 site-wide. Add sessionIdleTimeoutDays and sessionMaxAgeDays settings, with default expiry after 30 idle days or 90 total days. Explain production schema synchronization defaults and explicit database initialization through deploy/initialize-schema.mjs. Update Nginx request limits: 32m for /api/ and 128m for /storage/. Document backup maintenance locking, handling of installed services, and restoration of the previous service state even after failure. Update both English and Simplified Chinese documentation.
docs: document community features, detail previews and safe storage upgrades
docs: document differential testing and adversarial test data validation
docs: add comprehensive deployment and configuration wiki