feat(agent): complete closed-loop runtime and pricing fallback

2026-03-05 15:34:37 +08:00
parent b02a322bf3
commit b486e78ff3
67 changed files with 3832 additions and 7 deletions
@@ -0,0 +1,66 @@
+"""agent runtime closed loop contract
+
+Revision ID: 202603050001
+Revises: 435419f8121c
+Create Date: 2026-03-05 12:00:00
+"""
+
+from __future__ import annotations
+
+from typing import Sequence, Union
+
+from alembic import op
+
+
+revision: str = "202603050001"
+down_revision: Union[str, Sequence[str], None] = "202603040001"
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    op.execute("ALTER TABLE sessions ADD COLUMN IF NOT EXISTS state_snapshot JSONB")
+    with op.get_context().autocommit_block():
+        op.execute(
+            "CREATE INDEX CONCURRENTLY IF NOT EXISTS ix_messages_session_seq ON messages (session_id, seq)"
+        )
+
+    op.execute(
+        """
+        ALTER TABLE messages
+        ADD CONSTRAINT chk_messages_tool_result_metadata
+        CHECK (
+            role != 'tool'
+            OR (metadata IS NOT NULL AND metadata->>'type' = 'tool_result')
+        )
+        NOT VALID
+        """
+    )
+    op.execute(
+        "ALTER TABLE messages VALIDATE CONSTRAINT chk_messages_tool_result_metadata"
+    )
+    op.execute(
+        """
+        ALTER TABLE messages
+        ADD CONSTRAINT chk_messages_assistant_metadata
+        CHECK (
+            role != 'assistant'
+            OR (metadata IS NOT NULL AND metadata->>'type' IN ('tool_call', 'assistant_output'))
+        )
+        NOT VALID
+        """
+    )
+    op.execute(
+        "ALTER TABLE messages VALIDATE CONSTRAINT chk_messages_assistant_metadata"
+    )
+
+
+def downgrade() -> None:
+    op.execute(
+        "ALTER TABLE messages DROP CONSTRAINT IF EXISTS chk_messages_assistant_metadata"
+    )
+    op.execute(
+        "ALTER TABLE messages DROP CONSTRAINT IF EXISTS chk_messages_tool_result_metadata"
+    )
+    op.execute("DROP INDEX IF EXISTS ix_messages_session_seq")
+    op.execute("ALTER TABLE sessions DROP COLUMN IF EXISTS state_snapshot")