feat: /test createdb — создание БД через API

site/app.py

@@ -9,7 +9,6 @@ load_dotenv()
 class ContractsApp:
     def __init__(self):
         self.app = Flask(__name__)
-        db.ensure_db()
         self.add_routes()
 
     def add_routes(self):

site/test_routes.py

@@ -1,3 +1,4 @@
+import os
 from flask import Blueprint, jsonify, request
 import db
 
@@ -15,8 +16,9 @@ def test():
             "db": "ok" if conn else f"fail: {err}",
             "actions": [
                 "GET  /test            — статус БД",
-                "POST /test SQL:...  — выполнить запрос",
+                "POST /test createdb   — создать БД",
                 "POST /test tables     — список таблиц",
+                "POST /test SQL:...    — выполнить запрос",
             ],
         })
 
@@ -36,6 +38,24 @@ def test():
             return jsonify({"error": err}), 500
         return jsonify({"tables": [r[0] for r in result["rows"]]})
 
+    if action == "createdb":
+        try:
+            conn = db._pg_connect("postgres")
+            conn.autocommit = True
+            cur = conn.cursor()
+            db_name = data.get("name") or os.environ.get("DB_NAME", "contracts")
+            cur.execute("SELECT 1 FROM pg_database WHERE datname = %s", (db_name,))
+            if cur.fetchone():
+                msg = f"DB '{db_name}' already exists"
+            else:
+                cur.execute(db.sql.SQL("CREATE DATABASE {}").format(db.sql.Identifier(db_name)))
+                msg = f"DB '{db_name}' created"
+            cur.close()
+            conn.close()
+            return jsonify({"result": msg})
+        except Exception as e:
+            return jsonify({"error": str(e)}), 500
+
     if action == "sql":
         sql_text = data.get("sql", "")
         if not sql_text: