migrate to table based tinydb

NOTE to migrate database install tinydb & run migrate.py

- added new functions to filter data with db queries
- in the storage module

webapp/routes/cookbook.py

@@ -10,17 +10,17 @@ from webapp.services.ccookbook import (
 )
 # Storage
 from webapp.storage.orders import (
-    load_orders, update_order,
-    cache_costs, cache_materials,
+    update_order, get_order_by_id,
+    cache_costs, cache_materials, load_pending
 )
 
 bp = Blueprint("cookbook", __name__, url_prefix="/api")
 
+# ----------------------------- Helpers ----------------------------------------
+
 def _now() -> str:
     return time.strftime("%Y-%m-%dT%H:%M:%S%z", time.gmtime())
 
-# ----------------------------- Helpers ----------------------------------------
-
 def _arg(name: str, default: str = "") -> str:
     v = request.args.get(name)
     return v if v is not None else default
@@ -31,12 +31,6 @@ def _to_int(s: str, default: int = 0) -> int:
     except Exception:
         return default
 
-def _order_by_id(order_id: str) -> Dict[str, Any] | None:
-    for o in load_orders():
-        if o.get("id") == order_id:
-            return o
-    return None
-
 # ----------------------------- Endpoints – Raw --------------------------------
 
 @bp.get("/cookbook/build_cost")
@@ -113,7 +107,7 @@ def api_cache(order_id: str):
 
 @bp.post("/order/<order_id>/refresh")
 def api_refresh_one(order_id: str):
-    o = _order_by_id(order_id)
+    o = get_order_by_id(order_id)
     if not o:
         return jsonify({"error": "order not found"}), 404
     bp_id = o.get("blueprint_type_id")
@@ -172,7 +166,7 @@ def api_refresh_one(order_id: str):
 
 @bp.post("/orders/refresh_all")
 def api_refresh_all():
-    orders = [o for o in load_orders() if o.get("status") == "open" and o.get("blueprint_type_id")]
+    orders = [o for o in load_pending() if o.get("blueprint_type_id")]
     done = 0
     for o in orders:
         try:
@@ -195,8 +189,8 @@ def api_open_costs():
     """
     items: List[Dict[str, Any]] = []
     total = 0.0
-    for o in load_orders():
-        if o.get("status") != "open" or not o.get("blueprint_type_id"):
+    for o in load_pending():
+        if not o.get("blueprint_type_id"):
             continue
 
         entry: Dict[str, Any] = {
@@ -258,8 +252,8 @@ def api_open_materials():
         if cost is not None:
             row["cost"] += float(cost or 0)
 
-    for o in load_orders():
-        if o.get("status") != "open" or not o.get("blueprint_type_id"):
+    for o in load_pending():
+        if not o.get("blueprint_type_id"):
             continue
 
         mats = o.get("materials")