diff --git a/replit.md b/replit.md
index a54cfd2..6827afb 100644
--- a/replit.md
+++ b/replit.md
@@ -30,6 +30,10 @@ VigilanzaTurni is a professional 24/7 shift management system designed for secur
 ### Database Schema
 The database includes core tables for `users`, `guards`, `certifications`, `sites`, `shifts`, `shift_assignments`, and `notifications`. Advanced scheduling and constraints are managed via `guard_constraints`, `site_preferences`, `contract_parameters`, `training_courses`, `holidays`, `holiday_assignments`, `absences`, and `absence_affected_shifts`. All tables include appropriate foreign keys and unique constraints to maintain data integrity.
 
+**Recent Schema Updates (October 2025)**:
+- Service types now include specialized parameters: `fixedPostHours` (ore presidio fisso), `patrolPassages` (numero passaggi pattuglia), `inspectionFrequency` (frequenza ispezioni), `responseTimeMinutes` (tempo risposta pronto intervento)
+- Sites include service schedule fields: `serviceStartTime` and `serviceEndTime` (formato HH:MM)
+
 ### API Endpoints
 Comprehensive RESTful API endpoints are provided for Authentication, Users, Guards, Sites, Shifts, and Notifications, supporting full CRUD operations with role-based access control.
 
@@ -45,7 +49,11 @@ Key frontend routes include `/`, `/guards`, `/sites`, `/shifts`, `/reports`, `/n
 ### Key Features
 - **Dashboard Operativa**: Live KPIs (active shifts, total guards, active sites, expiring certifications) and real-time shift status.
 - **Gestione Guardie**: Complete profiles with skill matrix (armed, fire safety, first aid, driver's license), certification management with automatic expiry, and unique badge numbers.
-- **Gestione Siti/Commesse**: Service types (fixed post, patrol, night inspection, quick response) and minimum requirements (guard count, armed, driver's license).
+- **Gestione Siti/Commesse**: Service types with specialized parameters (fixed post hours, patrol passages, inspection frequency, response time) and minimum requirements (guard count, armed, driver's license). Sites include service schedule (start/end time).
+- **Pianificazione Operativa Interattiva**: Three-step workflow for shift assignment:
+  1. Select date → view uncovered sites with coverage status
+  2. Select site → view filtered resources (guards and vehicles matching requirements)
+  3. Assign resources → create shift with atomic guard assignments and vehicle allocation
 - **Pianificazione Turni**: 24/7 calendar, manual guard assignment, basic constraints, and shift statuses (planned, active, completed, cancelled).
 - **Reportistica**: Total hours worked, monthly hours per guard, shift statistics, and data export capabilities.
 - **Advanced Planning**: Management of guard constraints (preferences, max hours, rest days), site preferences (preferred/blacklisted guards), contract parameters, training courses, holidays, and absences with substitution system.