feat: add authenticated engine processing boundary

site/db/connection.py

@@ -12,7 +12,7 @@ import time
 import os
 from contextlib import contextmanager
 
-DB_PATH = "/tmp/contracts.db"
+DB_PATH = os.getenv("CONTRACTS_DB_PATH", "/tmp/contracts.db")
 _db_session_key = None
 _local = threading.local()
 
@@ -67,6 +67,19 @@ def _create_schema(conn):
             created_at TEXT DEFAULT (datetime('now'))
         );
 
+        CREATE TABLE IF NOT EXISTS extraction_jobs (
+            batch_id TEXT PRIMARY KEY,
+            owner TEXT NOT NULL,
+            state TEXT NOT NULL,
+            total INTEGER NOT NULL,
+            done INTEGER NOT NULL DEFAULT 0,
+            failed INTEGER NOT NULL DEFAULT 0,
+            classes_json TEXT NOT NULL DEFAULT '{}',
+            result_json TEXT,
+            error TEXT,
+            updated_at REAL NOT NULL
+        );
+
         CREATE TABLE IF NOT EXISTS contracts (
             id TEXT PRIMARY KEY,
             number TEXT NOT NULL,