feat: Space Booking System - MVP complet

Sistem web pentru rezervarea de birouri și săli de ședință
cu flux de aprobare administrativă.

Stack: FastAPI + Vue.js 3 + SQLite + TypeScript

Features implementate:
- Autentificare JWT + Self-registration cu email verification
- CRUD Spații, Utilizatori, Settings (Admin)
- Calendar interactiv (FullCalendar) cu drag-and-drop
- Creare rezervări cu validare (durată, program, overlap, max/zi)
- Rezervări recurente (săptămânal)
- Admin: aprobare/respingere/anulare cereri
- Admin: creare directă rezervări (bypass approval)
- Admin: editare orice rezervare
- User: editare/anulare rezervări proprii
- Notificări in-app (bell icon + dropdown)
- Notificări email (async SMTP cu BackgroundTasks)
- Jurnal acțiuni administrative (audit log)
- Rapoarte avansate (utilizare, top users, approval rate)
- Șabloane rezervări (booking templates)
- Atașamente fișiere (upload/download)
- Conflict warnings (verificare disponibilitate real-time)
- Integrare Google Calendar (OAuth2)
- Suport timezone (UTC storage + user preference)
- 225+ teste backend

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

backend/seed_db.py

@@ -0,0 +1,69 @@
+"""Seed database with initial data."""
+from app.core.security import get_password_hash
+from app.db.session import Base, SessionLocal, engine
+from app.models.settings import Settings
+from app.models.user import User
+
+
+def seed_database() -> None:
+    """Create initial users for testing."""
+    # Create tables
+    Base.metadata.create_all(bind=engine)
+
+    db = SessionLocal()
+    try:
+        # Check if users already exist
+        existing_admin = db.query(User).filter(User.email == "admin@example.com").first()
+        if existing_admin:
+            print("Database already seeded. Skipping...")
+            return
+
+        # Create admin user
+        admin = User(
+            email="admin@example.com",
+            full_name="Admin User",
+            hashed_password=get_password_hash("adminpassword"),
+            role="admin",
+            organization="Management",
+            is_active=True,
+        )
+        db.add(admin)
+
+        # Create regular user
+        user = User(
+            email="user@example.com",
+            full_name="Regular User",
+            hashed_password=get_password_hash("userpassword"),
+            role="user",
+            organization="Engineering",
+            is_active=True,
+        )
+        db.add(user)
+
+        # Create default settings if not exist
+        existing_settings = db.query(Settings).filter(Settings.id == 1).first()
+        if not existing_settings:
+            default_settings = Settings(
+                id=1,
+                min_duration_minutes=30,
+                max_duration_minutes=480,  # 8 hours
+                working_hours_start=8,  # 8 AM
+                working_hours_end=20,  # 8 PM
+                max_bookings_per_day_per_user=3,
+                min_hours_before_cancel=2,
+            )
+            db.add(default_settings)
+
+        db.commit()
+        print("✓ Database seeded successfully!")
+        print("Admin: admin@example.com / adminpassword")
+        print("User: user@example.com / userpassword")
+    except Exception as e:
+        print(f"Error seeding database: {e}")
+        db.rollback()
+    finally:
+        db.close()
+
+
+if __name__ == "__main__":
+    seed_database()