fix(gate_bot): exclude active trend plans from orphan position warning

Trend pullback plans manage positions before order_monitors handoff; treat them as covered and add a pre-deploy DB backup script.

Co-authored-by: Cursor <cursoragent@cursor.com>

crypto_monitor_gate_bot/scripts/backup_db_now.py

@@ -0,0 +1,69 @@
+#!/usr/bin/env python3
+"""One-shot SQLite backup before code deploy. Reads DB_PATH from .env (default crypto.db)."""
+from __future__ import annotations
+
+import os
+import shutil
+import sqlite3
+from datetime import datetime
+from pathlib import Path
+
+PROJECT_DIR = Path(__file__).resolve().parent.parent
+
+
+def _read_env_db_path() -> Path:
+    env_file = PROJECT_DIR / ".env"
+    default = PROJECT_DIR / "crypto.db"
+    if not env_file.is_file():
+        return default
+    for line in env_file.read_text(encoding="utf-8", errors="replace").splitlines():
+        line = line.strip()
+        if not line or line.startswith("#") or "=" not in line:
+            continue
+        key, val = line.split("=", 1)
+        if key.strip() != "DB_PATH":
+            continue
+        val = val.strip().strip('"').strip("'")
+        p = Path(val)
+        return p if p.is_absolute() else PROJECT_DIR / p
+    return default
+
+
+def main() -> int:
+    db_path = _read_env_db_path()
+    if not db_path.is_file():
+        print(f"error: database not found: {db_path}")
+        return 1
+    stamp = datetime.now().strftime("%Y%m%d_%H%M%S")
+    dest_dir = PROJECT_DIR / "backups" / stamp
+    dest_dir.mkdir(parents=True, exist_ok=True)
+    dest = dest_dir / db_path.name
+    try:
+        src = sqlite3.connect(str(db_path))
+        dst = sqlite3.connect(str(dest))
+        src.backup(dst)
+        dst.close()
+        src.close()
+        method = "sqlite3 backup"
+    except Exception:
+        shutil.copy2(db_path, dest)
+        method = "file copy"
+    manifest = dest_dir / "manifest.txt"
+    manifest.write_text(
+        "\n".join(
+            [
+                f"project_dir={PROJECT_DIR}",
+                f"source_db={db_path}",
+                f"backup_file={dest}",
+                f"method={method}",
+                f"created_at={stamp}",
+            ]
+        ),
+        encoding="utf-8",
+    )
+    print(f"ok: {dest} ({method})")
+    return 0
+
+
+if __name__ == "__main__":
+    raise SystemExit(main())