- Add UserProfileModel and migration for user profile data
- Enhance User Management views, controller, and doctor/nurse search integration
- Refactor handleAuthError to separate 401 session expiry from 403 access restriction
- Apply granular permission checks to sidebar navigation links
- Open Bed Status view for all authenticated users
- Support GET and POST on charges item routes and exempt billing charges from CSRF desync
- Add Day Care (<24h) and Emergency (Casualty) admission pathways with prefixes DC- and ER-
- Add dedicated physical wards, ESI 5-level triage, MLC tracking, and PADSS day care discharge
- Implement audited 'Convert to IPD' workflow with SBAR handover and automated bed transfer
- Support unified IPD billing with dedicated group headers for Day Care and Emergency charges
- Redesign Hospital Admission Desk with executive card layout and modern triage controls
- Add comprehensive user documentation and SVG flowchart in public/help.html
- Completely remove legacy patient_master.p_lname column from database and application code
