merge this (#4759)

* wait I forgot to comit locally

* cp the entire core directory and then rm the .git subdir

alembic/versions/05c3bc564286_add_metrics_to_agent_loop_runs.py

@@ -0,0 +1,33 @@
+"""add metrics to agent loop runs
+
+Revision ID: 05c3bc564286
+Revises: d007f4ca66bf
+Create Date: 2025-08-06 14:30:48.255538
+
+"""
+
+from typing import Sequence, Union
+
+import sqlalchemy as sa
+
+from alembic import op
+
+# revision identifiers, used by Alembic.
+revision: str = "05c3bc564286"
+down_revision: Union[str, None] = "d007f4ca66bf"
+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.add_column("jobs", sa.Column("ttft_ns", sa.BigInteger(), nullable=True))
+    op.add_column("jobs", sa.Column("total_duration_ns", sa.BigInteger(), nullable=True))
+    # ### end Alembic commands ###
+
+
+def downgrade() -> None:
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_column("jobs", "total_duration_ns")
+    op.drop_column("jobs", "ttft_ns")
+    # ### end Alembic commands ###