refactor(desktop): organize lib modules by domain

apps/desktop/src/lib/redis/redisKeyPattern.ts

@@ -0,0 +1,19 @@
+const REDIS_GLOB_SPECIAL_CHARS = /[\\*?[\]]/g;
+const REDIS_GLOB_SPECIAL_CHARS_FUZZY = /[\\*?[\]]/g;
+
+export function escapeRedisGlobText(value: string, fuzzy = false): string {
+  return value.replace(fuzzy ? REDIS_GLOB_SPECIAL_CHARS_FUZZY : REDIS_GLOB_SPECIAL_CHARS, "\\$&");
+}
+
+export function redisKeySearchPattern(value: string, fuzzy: boolean): string {
+  const pattern = value.trim();
+  if (!pattern) return "*";
+  return fuzzy ? `*${escapeRedisGlobText(pattern, fuzzy)}*` : pattern;
+}
+
+// Redis scan page size (COUNT parameter per SCAN round-trip) — shared defaults
+// and validation bounds used by the connection form and key browser.
+export const REDIS_SCAN_PAGE_SIZE_DEFAULT = 1000;
+export const REDIS_SCAN_PAGE_SIZE_MIN = 200;
+export const REDIS_SCAN_PAGE_SIZE_MAX = 10_000;
+export const REDIS_SCAN_PAGE_SIZE_OPTIONS = [200, 1000, 5000, 10_000] as const;