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/alembic/versions/714cc11a59c4_create_roles_table.py

@@ -0,0 +1,44 @@
+"""create_roles_table
+
+Revision ID: 714cc11a59c4
+Revises: f90ee7806a25
+Create Date: 2026-05-31 10:35:56.717393
+
+"""
+from typing import Sequence, Union
+
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision: str = '714cc11a59c4'
+down_revision: Union[str, None] = 'f90ee7806a25'
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.create_table('roles',
+    sa.Column('id', sa.String(length=36), nullable=False),
+    sa.Column('account_id', sa.String(length=36), nullable=False),
+    sa.Column('name', sa.String(length=100), nullable=False),
+    sa.Column('description', sa.String(length=500), nullable=True),
+    sa.Column('permissions', sa.JSON(), nullable=False),
+    sa.ForeignKeyConstraint(['account_id'], ['accounts.id'], ondelete='CASCADE'),
+    sa.PrimaryKeyConstraint('id')
+    )
+    with op.batch_alter_table('users', schema=None) as batch_op:
+        batch_op.create_foreign_key('fk_users_role_id_roles', 'roles', ['role_id'], ['id'], ondelete='SET NULL')
+
+    # ### end Alembic commands ###
+
+
+def downgrade() -> None:
+    # ### commands auto generated by Alembic - please adjust! ###
+    with op.batch_alter_table('users', schema=None) as batch_op:
+        batch_op.drop_constraint(None, type_='foreignkey')
+
+    op.drop_table('roles')
+    # ### end Alembic commands ###