Add scrape_to_snapshot.py entry point with OAuth device flow login

Restores the missing entry point script for API-mode scraping.
Calls get_access_token() before starting to trigger device flow
login if no token is saved.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

market/scrape_to_snapshot.py

@@ -0,0 +1,56 @@
+#!/usr/bin/env python3
+from __future__ import annotations
+
+import argparse
+import asyncio
+import os
+
+from config import init_config
+
+from scrape.auth import get_access_token
+from scrape.build_snapshot import build_snapshot
+
+from scrape.persist_api import (
+    save_nav,
+    upsert_product,
+    log_product_result,
+    capture_listing,
+    save_subcategory_redirects,
+)
+
+
+
+# ------------------------ CLI ------------------------
+def main() -> None:
+    ap = argparse.ArgumentParser()
+    ap.add_argument("--out", default="./snapshot", help="(unused for JSON now; kept for compatibility)")
+    ap.add_argument("--max-pages", type=int, default=999)
+    ap.add_argument("--max-products", type=int, default=200000)
+    ap.add_argument("--concurrency", type=int, default=16)
+    ap.add_argument("--user", default=os.getenv("SUMA_USER"))
+    ap.add_argument("--pass", dest="password", default=os.getenv("SUMA_PASS"))
+    ap.add_argument("--db", dest="database_url", default=os.getenv("DATABASE_URL", "postgresql+asyncpg://user:pass@localhost:5432/suma"))
+
+    args = ap.parse_args()
+
+    # Ensure we have an OAuth token before starting (triggers device flow if needed)
+    get_access_token(require=True)
+
+    asyncio.run(init_config())
+    asyncio.run(
+        build_snapshot(
+            args.concurrency,
+            args.user,
+            args.password,
+            save_nav,
+            capture_listing,
+            upsert_product,
+            log_product_result,
+            save_subcategory_redirects,
+            #save_link_reports
+        )
+    )
+
+
+if __name__ == "__main__":
+    main()