diff --git a/src/zrb/builtin/project/add/fastapp/fastapp_template/my_app_name/module/auth/migration/versions/3093c7336477_add_auth_tables.py b/src/zrb/builtin/project/add/fastapp/fastapp_template/my_app_name/module/auth/migration/versions/3093c7336477_add_auth_tables.py
index e6dc5072..ea7c7644 100644
--- a/src/zrb/builtin/project/add/fastapp/fastapp_template/my_app_name/module/auth/migration/versions/3093c7336477_add_auth_tables.py
+++ b/src/zrb/builtin/project/add/fastapp/fastapp_template/my_app_name/module/auth/migration/versions/3093c7336477_add_auth_tables.py
@@ -32,7 +32,7 @@ def upgrade() -> None:
         sa.Column("description", sqlmodel.sql.sqltypes.AutoString(), nullable=False),
         sa.PrimaryKeyConstraint("id"),
     )
-    op.create_index(op.f("ix_permission_name"), "permission", ["name"], unique=False)
+    op.create_index(op.f("ix_permission_name"), "permission", ["name"], unique=True)
     op.create_index(
         op.f("ix_permission_created_at"), "permission", ["created_at"], unique=False
     )
@@ -57,7 +57,7 @@ def upgrade() -> None:
         sa.Column("description", sqlmodel.sql.sqltypes.AutoString(), nullable=False),
         sa.PrimaryKeyConstraint("id"),
     )
-    op.create_index(op.f("ix_role_name"), "role", ["name"], unique=False)
+    op.create_index(op.f("ix_role_name"), "role", ["name"], unique=True)
     op.create_index(op.f("ix_role_created_at"), "role", ["created_at"], unique=False)
     op.create_index(op.f("ix_role_created_by"), "role", ["created_by"], unique=False)
     op.create_index(op.f("ix_role_updated_at"), "role", ["updated_at"], unique=False)
@@ -93,7 +93,7 @@ def upgrade() -> None:
         sa.Column("updated_by", sqlmodel.sql.sqltypes.AutoString(), nullable=True),
         sa.PrimaryKeyConstraint("id"),
     )
-    op.create_index(op.f("ix_user_username"), "user", ["username"], unique=False)
+    op.create_index(op.f("ix_user_username"), "user", ["username"], unique=True)
     op.create_index(op.f("ix_user_created_at"), "user", ["created_at"], unique=False)
     op.create_index(op.f("ix_user_created_by"), "user", ["created_by"], unique=False)
     op.create_index(op.f("ix_user_updated_at"), "user", ["updated_at"], unique=False)
@@ -115,17 +115,17 @@ def upgrade() -> None:
         "session",
         sa.Column("id", sqlmodel.sql.sqltypes.AutoString(), nullable=False),
         sa.Column("user_id", sqlmodel.sql.sqltypes.AutoString(), nullable=False),
-        sa.Column("device", sqlmodel.sql.sqltypes.AutoString(), nullable=False),
-        sa.Column("os", sqlmodel.sql.sqltypes.AutoString(), nullable=False),
-        sa.Column("browser", sqlmodel.sql.sqltypes.AutoString(), nullable=False),
+        sa.Column("token", sqlmodel.sql.sqltypes.AutoString(), nullable=False),
         sa.PrimaryKeyConstraint("id"),
     )
     op.create_index(op.f("ix_session_user_id"), "session", ["user_id"], unique=False)
+    op.create_index(op.f("ix_session_token"), "session", ["token"], unique=True)
     # ### end Alembic commands ###
 
 
 def downgrade() -> None:
     # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_index(op.f("ix_session_token"), table_name="session")
     op.drop_index(op.f("ix_session_user_id"), table_name="session")
     op.drop_table("session")
 
diff --git a/src/zrb/builtin/project/add/fastapp/fastapp_template/my_app_name/schema/permission.py b/src/zrb/builtin/project/add/fastapp/fastapp_template/my_app_name/schema/permission.py
index d37aa9cb..f4fb986f 100644
--- a/src/zrb/builtin/project/add/fastapp/fastapp_template/my_app_name/schema/permission.py
+++ b/src/zrb/builtin/project/add/fastapp/fastapp_template/my_app_name/schema/permission.py
@@ -47,5 +47,5 @@ class Permission(SQLModel, table=True):
     created_by: str | None = Field(index=True)
     updated_at: datetime.datetime | None = Field(index=True)
     updated_by: str | None = Field(index=True)
-    name: str = Field(index=True)
+    name: str = Field(index=True, unique=True)
     description: str
diff --git a/src/zrb/builtin/project/add/fastapp/fastapp_template/my_app_name/schema/role.py b/src/zrb/builtin/project/add/fastapp/fastapp_template/my_app_name/schema/role.py
index 3f0d2024..7dbe2d27 100644
--- a/src/zrb/builtin/project/add/fastapp/fastapp_template/my_app_name/schema/role.py
+++ b/src/zrb/builtin/project/add/fastapp/fastapp_template/my_app_name/schema/role.py
@@ -101,7 +101,7 @@ class Role(SQLModel, table=True):
     created_by: str | None = Field(index=True)
     updated_at: datetime.datetime | None = Field(index=True)
     updated_by: str | None = Field(index=True)
-    name: str = Field(index=True)
+    name: str = Field(index=True, unique=True)
     description: str
 
 
diff --git a/src/zrb/builtin/project/add/fastapp/fastapp_template/my_app_name/schema/session.py b/src/zrb/builtin/project/add/fastapp/fastapp_template/my_app_name/schema/session.py
index 7ce7fa35..6aa6f37b 100644
--- a/src/zrb/builtin/project/add/fastapp/fastapp_template/my_app_name/schema/session.py
+++ b/src/zrb/builtin/project/add/fastapp/fastapp_template/my_app_name/schema/session.py
@@ -7,9 +7,7 @@
 
 class SessionBase(SQLModel):
     user_id: str
-    device: str
-    os: str
-    browser: str
+    token: str
     expired_at: datetime.datetime | None
 
 
@@ -47,6 +45,4 @@ class MultipleSessionResponse(BaseModel):
 class Session(SQLModel, table=True):
     id: str = Field(default_factory=lambda: ulid.new().str, primary_key=True)
     user_id: str = Field(index=True)
-    device: str
-    os: str
-    browser: str
+    token: str = Field(index=True, unique=True)
diff --git a/src/zrb/builtin/project/add/fastapp/fastapp_template/my_app_name/schema/user.py b/src/zrb/builtin/project/add/fastapp/fastapp_template/my_app_name/schema/user.py
index ed6b02b9..b5482945 100644
--- a/src/zrb/builtin/project/add/fastapp/fastapp_template/my_app_name/schema/user.py
+++ b/src/zrb/builtin/project/add/fastapp/fastapp_template/my_app_name/schema/user.py
@@ -91,7 +91,7 @@ class User(SQLModel, table=True):
     created_by: str = Field(index=True)
     updated_at: datetime.datetime | None = Field(index=True)
     updated_by: str | None = Field(index=True)
-    username: str = Field(index=True)
+    username: str = Field(index=True, unique=True)
     password: str