fix(mobile): correct the Sinhala spend-alert wording

packages/notifications/src/locale-catalog.test.ts

@@ -0,0 +1,57 @@
+import { describe, expect, it } from 'vitest';
+
+import en from './locales/en.json';
+import si from './locales/si.json';
+
+/**
+ * A push catalog must parse and carry exactly the keys English defines, with the
+ * same `{{placeholder}}` set per key. A catalog that drifts from `en.json`
+ * resolves to English (or interpolates a broken string) on the lock screen,
+ * which is easy to miss because the JSON still parses. This pins the Sinhala
+ * catalog's shape and placeholders against the English source.
+ */
+function flatten(
+  value: unknown,
+  prefix = '',
+  out = new Map<string, string>()
+): Map<string, string> {
+  if (value !== null && typeof value === 'object' && !Array.isArray(value)) {
+    for (const [key, child] of Object.entries(value)) {
+      flatten(child, prefix ? `${prefix}.${key}` : key, out);
+    }
+  } else if (typeof value === 'string') {
+    out.set(prefix, value);
+  }
+  return out;
+}
+
+function placeholders(value: string): string[] {
+  return [...value.matchAll(/{{([^{}]+)}}/g)].map(match => match[1]).sort();
+}
+
+const EN = flatten(en);
+const SI = flatten(si);
+
+describe('Sinhala push catalog', () => {
+  it('defines exactly the English keys', () => {
+    expect([...SI.keys()].sort()).toEqual([...EN.keys()].sort());
+  });
+
+  it('keeps the English placeholders for every key', () => {
+    const mismatched = [...EN.entries()]
+      .filter(
+        ([key, value]) =>
+          placeholders(SI.get(key) ?? '').join(',') !== placeholders(value).join(',')
+      )
+      .map(([key]) => key);
+    expect(mismatched).toEqual([]);
+  });
+
+  it('uses the compound spend-alert body the closed branch carried', () => {
+    expect(SI.get('generic.body.spendAlert')).toBe('ඔබගේ වියදමට අවධානය අවශ්‍යයි');
+    expect(SI.get('internal.spendAlert.title')).toBe('වියදම් අනතුරු ඇඟවීම');
+    // `{{scopeName}} වියදම` mirrors the sibling `internal.lowBalance.body`
+    // (`{{organizationName}} ශේෂය`) and the English `[scopeName][spend]` order.
+    expect(SI.get('internal.spendAlert.body')).toBe('{{scopeName}} වියදම ${{amountUsd}} ඉක්මවා ගියේය');
+  });
+});