feat: initial commit — local services (backend + manager dashboard + waiter PWA)

Includes all work to date:
- local_backend: FastAPI backend with products, orders, tables, shifts, cloud sync
- manager_dashboard: React manager UI with product/category management, reports, settings
- waiter_pwa: React PWA for waiter devices
- Category reparent endpoint and UI
- Waiter domain: local_ip sent on heartbeat, waiter_domain persisted from cloud response
- QR code modal in AppInfoTab for waiter domain
- Product form: number input spinners removed, category pre-selected on new product
- Category row: count badge moved to far right

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

manager_dashboard/src/store/tableColourStore.js

@@ -0,0 +1,94 @@
+import { create } from 'zustand'
+import { persist } from 'zustand/middleware'
+
+// Mirrors waiter_pwa/src/store/tableColourStore.js — same localStorage key so both apps share state.
+
+export const DEFAULT_COLOURS = {
+  light: {
+    free: {
+      cardBg:    '#d6d6d6',
+      badgeBg:   '#e3e3e3',
+      nameText:  '#3b485e',
+      badgeText: '#adadad',
+    },
+    mine: {
+      cardBg:    '#e83030',
+      badgeBg:   'rgba(255,255,255,0.40)',
+      nameText:  '#ffffff',
+      badgeText: '#ffffff',
+    },
+    open: {
+      cardBg:    '#ffbb29',
+      badgeBg:   'rgba(255,255,255,0.25)',
+      nameText:  '#ffffff',
+      badgeText: '#ffffff',
+    },
+    partially_paid: {
+      cardBg:    '#e89230',
+      badgeBg:   'rgba(255,255,255,0.25)',
+      nameText:  '#ffffff',
+      badgeText: '#ffffff',
+    },
+    paid: {
+      cardBg:    '#79ad38',
+      badgeBg:   'rgba(255,255,255,0.25)',
+      nameText:  '#ffffff',
+      badgeText: '#ffffff',
+    },
+  },
+  dark: {
+    free: {
+      cardBg:    '#243044',
+      badgeBg:   'rgba(26,35,50,0.50)',
+      nameText:  '#ffffff',
+      badgeText: '#adadad',
+    },
+    mine: {
+      cardBg:    '#e83030',
+      badgeBg:   'rgba(255,255,255,0.40)',
+      nameText:  '#ffffff',
+      badgeText: '#ffffff',
+    },
+    open: {
+      cardBg:    '#ffbb29',
+      badgeBg:   'rgba(255,255,255,0.25)',
+      nameText:  '#ffffff',
+      badgeText: '#ffffff',
+    },
+    partially_paid: {
+      cardBg:    '#e89230',
+      badgeBg:   'rgba(255,255,255,0.25)',
+      nameText:  '#ffffff',
+      badgeText: '#ffffff',
+    },
+    paid: {
+      cardBg:    '#79ad38',
+      badgeBg:   'rgba(255,255,255,0.25)',
+      nameText:  '#ffffff',
+      badgeText: '#ffffff',
+    },
+  },
+}
+
+const useTableColourStore = create(persist(
+  (set) => ({
+    colours: DEFAULT_COLOURS,
+    setColour: (mode, status, slot, value) =>
+      set(s => ({
+        colours: {
+          ...s.colours,
+          [mode]: {
+            ...s.colours[mode],
+            [status]: {
+              ...s.colours[mode][status],
+              [slot]: value,
+            },
+          },
+        },
+      })),
+    resetAll: () => set({ colours: DEFAULT_COLOURS }),
+  }),
+  { name: 'pos-table-colours' }
+))
+
+export default useTableColourStore