Add scheduled scripts database migration

scripts/migrate-scheduled-scripts-db.sh

@@ -0,0 +1,51 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+DB_FILE="/opt/appfactory/data/appfactory/appfactory.db"
+
+python3 - "$DB_FILE" <<'PY'
+import sqlite3
+import sys
+
+con = sqlite3.connect(sys.argv[1])
+
+con.execute("""
+CREATE TABLE IF NOT EXISTS scheduled_scripts (
+    id INTEGER PRIMARY KEY AUTOINCREMENT,
+    name TEXT NOT NULL,
+    description TEXT,
+    script_name TEXT NOT NULL,
+    schedule_type TEXT NOT NULL,
+    schedule_time TEXT,
+    timeout_seconds INTEGER NOT NULL DEFAULT 300,
+
+    is_enabled INTEGER NOT NULL DEFAULT 1,
+    is_running INTEGER NOT NULL DEFAULT 0,
+
+    last_run_at TEXT,
+    last_status TEXT,
+    last_job_id INTEGER,
+    last_error_text TEXT,
+
+    next_run_at TEXT,
+
+    created_at TEXT NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    updated_at TEXT NOT NULL DEFAULT CURRENT_TIMESTAMP
+)
+""")
+
+con.execute("""
+CREATE INDEX IF NOT EXISTS idx_scheduled_scripts_next_run
+ON scheduled_scripts(is_enabled, next_run_at)
+""")
+
+con.execute("""
+CREATE UNIQUE INDEX IF NOT EXISTS idx_scheduled_scripts_script_name
+ON scheduled_scripts(script_name)
+""")
+
+con.commit()
+con.close()
+
+print("Scheduled scripts migration completed.")
+PY