Initial commit: Rentman Clone - Phase 0-6 (T001-T023)

Completed:
- Phase 0: Project Setup (T001-T003) - Docker Compose, FastAPI skeleton, React SPA
- Phase 1: Auth System (T004-T008) - DB models, JWT auth, RBAC middleware, user management
- Phase 2: Contacts & Tags (T009-T011) - CRUD API + UI
- Phase 3: Equipment Catalog (T012-T014) - Models, API, UI with barcode/QR
- Phase 4: Crew Management (T015-T017) - Models, availability, UI
- Phase 5: Vehicle Fleet (T018-T020) - Models, assignments, UI
- Phase 6: Projects (T021-T023) - Project hierarchy models, CRUD API, list/detail UI

backend/app/models/account.py

@@ -0,0 +1,34 @@
+"""Account (Tenant) model."""
+
+import uuid
+from datetime import datetime
+
+from sqlalchemy import String, DateTime, func
+from sqlalchemy.orm import Mapped, mapped_column, relationship
+
+from app.db.base import Base
+
+
+class Account(Base):
+    """Represents a tenant/company account."""
+
+    __tablename__ = "accounts"
+
+    id: Mapped[str] = mapped_column(
+        String(36), primary_key=True, default=lambda: str(uuid.uuid4())
+    )
+    name: Mapped[str] = mapped_column(String(255), nullable=False)
+    created_at: Mapped[datetime] = mapped_column(
+        DateTime(timezone=True), server_default=func.now(), nullable=False
+    )
+
+    # Relationships
+    users: Mapped[list["User"]] = relationship("User", back_populates="account")
+    roles: Mapped[list["Role"]] = relationship("Role", back_populates="account")
+    contacts: Mapped[list["Contact"]] = relationship("Contact", back_populates="account")
+    tags: Mapped[list["Tag"]] = relationship("Tag", back_populates="account")
+    equipment: Mapped[list["Equipment"]] = relationship("Equipment", back_populates="account")
+    stock_locations: Mapped[list["StockLocation"]] = relationship("StockLocation", back_populates="account")
+    equipment_groups: Mapped[list["EquipmentGroup"]] = relationship("EquipmentGroup", back_populates="account")
+    crew_members: Mapped[list["Crew"]] = relationship("Crew", back_populates="account")
+    projects: Mapped[list["Project"]] = relationship("Project", back_populates="account")