feat: add online evolution loop and 5% gray risk-policy rollout

scripts/evolution_cycle.py

@@ -0,0 +1,95 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+"""
+Self-evolution MVP cycle runner.
+"""
+from __future__ import annotations
+
+import argparse
+import json
+import os
+import sys
+from pathlib import Path
+
+from dotenv import load_dotenv
+
+PROJECT_ROOT = Path(__file__).resolve().parent.parent
+sys.path.insert(0, str(PROJECT_ROOT))
+load_dotenv(dotenv_path=PROJECT_ROOT / ".env")
+
+from evolution.mvp import ChatSourceConfig, DEFAULT_CANDIDATE_PATH, DEFAULT_POLICY_PATH, run_cycle
+
+
+def parse_args() -> argparse.Namespace:
+    parser = argparse.ArgumentParser(description="Run self-evolution MVP cycle")
+    parser.add_argument(
+        "--source",
+        type=str,
+        default="mysql",
+        choices=["auto", "sqlite", "mysql"],
+        help="Chat data source, default mysql (online)",
+    )
+    parser.add_argument("--hours", type=int, default=24, help="Lookback window for chat samples")
+    parser.add_argument("--max-customers", type=int, default=200, help="Max customers sampled")
+    parser.add_argument(
+        "--max-messages-per-customer",
+        type=int,
+        default=80,
+        help="Max messages loaded per customer",
+    )
+    parser.add_argument("--runtime-hours", type=int, default=24, help="Runtime metric window")
+    parser.add_argument(
+        "--publish",
+        action="store_true",
+        help="Write config/evolution_candidate.json when gate passes",
+    )
+    parser.add_argument(
+        "--policy-path",
+        type=str,
+        default=str(DEFAULT_POLICY_PATH),
+        help="Path to evolution gate policy file",
+    )
+    parser.add_argument(
+        "--candidate-path",
+        type=str,
+        default=str(DEFAULT_CANDIDATE_PATH),
+        help="Path to candidate output file",
+    )
+    parser.add_argument("--db-path", type=str, default="", help="SQLite path when --source sqlite")
+    parser.add_argument("--mysql-host", type=str, default=os.getenv("MYSQL_HOST", "127.0.0.1"))
+    parser.add_argument("--mysql-port", type=int, default=int(os.getenv("MYSQL_PORT", "3306")))
+    parser.add_argument("--mysql-user", type=str, default=os.getenv("MYSQL_USER", "root"))
+    parser.add_argument("--mysql-password", type=str, default=os.getenv("MYSQL_PASSWORD", ""))
+    parser.add_argument("--mysql-database", type=str, default=os.getenv("MYSQL_DATABASE", "ai_cs"))
+    return parser.parse_args()
+
+
+def main() -> int:
+    args = parse_args()
+    os.environ.setdefault("PYTHONUTF8", "1")
+    chat_source = ChatSourceConfig(
+        source=args.source,
+        sqlite_path=args.db_path or str(PROJECT_ROOT / "db" / "chat_log_db" / "chats.db"),
+        mysql_host=args.mysql_host,
+        mysql_port=args.mysql_port,
+        mysql_user=args.mysql_user,
+        mysql_password=args.mysql_password,
+        mysql_database=args.mysql_database,
+    )
+
+    result = run_cycle(
+        hours=args.hours,
+        max_customers=args.max_customers,
+        max_messages_per_customer=args.max_messages_per_customer,
+        runtime_hours=args.runtime_hours,
+        publish=args.publish,
+        chat_source=chat_source,
+        policy_path=Path(args.policy_path),
+        candidate_path=Path(args.candidate_path),
+    )
+    print(json.dumps(result, ensure_ascii=False, indent=2))
+    return 0
+
+
+if __name__ == "__main__":
+    raise SystemExit(main())