feat(auth): enterprise authentication and user management

backend/hermes/alembic/versions/3f4c7b8d1e2a_extend_users_enterprise_fields.py

@@ -0,0 +1,65 @@
+"""extend users enterprise fields
+
+Revision ID: 3f4c7b8d1e2a
+Revises: 0a247aadcfda
+Create Date: 2026-07-02 12:00:00.000000
+
+"""
+from typing import Sequence, Union
+
+from alembic import op
+import sqlalchemy as sa
+
+
+revision: str = "3f4c7b8d1e2a"
+down_revision: Union[str, Sequence[str], None] = "0a247aadcfda"
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    op.add_column(
+        "users",
+        sa.Column("first_name", sa.String(length=100), server_default="", nullable=False),
+    )
+    op.add_column(
+        "users",
+        sa.Column("last_name", sa.String(length=100), server_default="", nullable=False),
+    )
+    op.add_column(
+        "users",
+        sa.Column("role", sa.String(length=50), server_default="user", nullable=False),
+    )
+    op.add_column(
+        "users",
+        sa.Column("is_active", sa.Boolean(), server_default=sa.true(), nullable=False),
+    )
+    op.add_column(
+        "users",
+        sa.Column(
+            "created_at",
+            sa.DateTime(timezone=True),
+            server_default=sa.func.now(),
+            nullable=False,
+        ),
+    )
+    op.add_column(
+        "users",
+        sa.Column(
+            "updated_at",
+            sa.DateTime(timezone=True),
+            server_default=sa.func.now(),
+            nullable=False,
+        ),
+    )
+    op.create_index(op.f("ix_users_email"), "users", ["email"], unique=True)
+
+
+def downgrade() -> None:
+    op.drop_index(op.f("ix_users_email"), table_name="users")
+    op.drop_column("users", "updated_at")
+    op.drop_column("users", "created_at")
+    op.drop_column("users", "is_active")
+    op.drop_column("users", "role")
+    op.drop_column("users", "last_name")
+    op.drop_column("users", "first_name")