Overhaul of the frontend on waiters, orders, and payment events

Manager Dashboard: product reorder/bulk actions, preference sub-choices
UI, expanded reports with DateInput component, waiter management updates,
order detail improvements, Docker config and backend dockerignore added.

Backend: table groups, auto-numbering, has_active_order flag, expanded
reporting endpoints, waiter zone management, user schema updates, system
router additions, table router fixes.

Waiter PWA: TableDetailPage order/payment event improvements.

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

local_backend/routers/tables.py

@@ -5,7 +5,7 @@ from typing import List
 from database import get_db
 from models.table import Table, TableGroup
 from models.order import Order
-from models.user import User
+from models.user import User, WaiterZone
 from schemas.table import (
     TableCreate, TableUpdate, TableFloorplanUpdate, TableOut,
     TableGroupCreate, TableGroupUpdate, TableGroupOut,
@@ -69,6 +69,19 @@ def list_tables(include_inactive: bool = False, db: Session = Depends(get_db), u
     q = db.query(Table)
     if not include_inactive:
         q = q.filter(Table.is_active == True)
+
+    # Zone-based filtering for waiters
+    if user.role not in ("manager", "sysadmin"):
+        zones = db.query(WaiterZone).filter(WaiterZone.waiter_id == user.id).all()
+        # No zone rows → sees nothing
+        if not zones:
+            return []
+        # Any row with group_id=None → sees all tables (all-zones sentinel)
+        has_all_zones = any(z.group_id is None for z in zones)
+        if not has_all_zones:
+            allowed_group_ids = [z.group_id for z in zones]
+            q = q.filter(Table.group_id.in_(allowed_group_ids))
+
     tables = q.order_by(Table.group_id, Table.number).all()
 
     active_table_ids = {