feat: add step metrics table

Co-authored-by: Jin Peng <jinjpeng@Jins-MacBook-Pro.local>

alembic/versions/5fb8bba2c373_add_step_metrics.py

@@ -0,0 +1,55 @@
+"""add_step_metrics
+
+Revision ID: 5fb8bba2c373
+Revises: f7f757414d20
+Create Date: 2025-08-07 17:40:11.923402
+
+"""
+
+from typing import Sequence, Union
+
+import sqlalchemy as sa
+
+from alembic import op
+
+# revision identifiers, used by Alembic.
+revision: str = "5fb8bba2c373"
+down_revision: Union[str, None] = "f7f757414d20"
+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(
+        "step_metrics",
+        sa.Column("id", sa.String(), nullable=False),
+        sa.Column("organization_id", sa.String(), nullable=True),
+        sa.Column("provider_id", sa.String(), nullable=True),
+        sa.Column("job_id", sa.String(), nullable=True),
+        sa.Column("llm_request_ns", sa.BigInteger(), nullable=True),
+        sa.Column("tool_execution_ns", sa.BigInteger(), nullable=True),
+        sa.Column("step_ns", sa.BigInteger(), nullable=True),
+        sa.Column("base_template_id", sa.String(), nullable=True),
+        sa.Column("template_id", sa.String(), nullable=True),
+        sa.Column("created_at", sa.DateTime(timezone=True), server_default=sa.text("now()"), nullable=True),
+        sa.Column("updated_at", sa.DateTime(timezone=True), server_default=sa.text("now()"), nullable=True),
+        sa.Column("is_deleted", sa.Boolean(), server_default=sa.text("FALSE"), nullable=False),
+        sa.Column("_created_by_id", sa.String(), nullable=True),
+        sa.Column("_last_updated_by_id", sa.String(), nullable=True),
+        sa.Column("project_id", sa.String(), nullable=True),
+        sa.Column("agent_id", sa.String(), nullable=False),
+        sa.ForeignKeyConstraint(["agent_id"], ["agents.id"], ondelete="CASCADE"),
+        sa.ForeignKeyConstraint(["id"], ["steps.id"], ondelete="CASCADE"),
+        sa.ForeignKeyConstraint(["job_id"], ["jobs.id"], ondelete="SET NULL"),
+        sa.ForeignKeyConstraint(["organization_id"], ["organizations.id"], ondelete="RESTRICT"),
+        sa.ForeignKeyConstraint(["provider_id"], ["providers.id"], ondelete="RESTRICT"),
+        sa.PrimaryKeyConstraint("id"),
+    )
+    # ### end Alembic commands ###
+
+
+def downgrade() -> None:
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_table("step_metrics")
+    # ### end Alembic commands ###