CJX-004-FINAL-FIX
Plugin Version: 0.0.4
Internal DB schema: 0.0.2
Scope: consolidated release-readiness update: WordPress.org listing/readme, admin settings navigation and status polish, upload/MIME and cleanup hardening, visitor validation and public request throttling, database-write failure handling including Telegram replies, frontend/admin file UX, and cross-platform mobile/Windows safeguards.
Post-test fixes: RTL welcome-message alignment and persistent admin composer visibility after message growth.
