refactor(desktop): organize lib modules by domain

apps/desktop/src/lib/database/mysqlConnectionOptions.ts

@@ -0,0 +1,31 @@
+const MYSQL_CLEAR_TEXT_PARAM_ALIASES = new Set(["allowcleartextpasswords", "enable_cleartext_plugin"]);
+const MYSQL_CLEAR_TEXT_PARAM = "enable_cleartext_plugin";
+
+function normalizeKey(key: string): string {
+  return key.trim().toLowerCase();
+}
+
+function isTruthyUrlParam(value: string): boolean {
+  return ["true", "1", "yes", "on"].includes(value.trim().toLowerCase());
+}
+
+function isMysqlCleartextPasswordParam(key: string): boolean {
+  return MYSQL_CLEAR_TEXT_PARAM_ALIASES.has(normalizeKey(key));
+}
+
+export function mysqlCleartextPasswordAuthEnabled(params: string | undefined): boolean {
+  const parsed = new URLSearchParams((params || "").trim().replace(/^\?/, ""));
+  for (const [key, value] of parsed.entries()) {
+    if (isMysqlCleartextPasswordParam(key) && isTruthyUrlParam(value)) return true;
+  }
+  return false;
+}
+
+export function setMysqlCleartextPasswordAuthEnabled(params: string | undefined, enabled: boolean): string {
+  const parsed = new URLSearchParams((params || "").trim().replace(/^\?/, ""));
+  for (const key of [...parsed.keys()]) {
+    if (isMysqlCleartextPasswordParam(key)) parsed.delete(key);
+  }
+  if (enabled) parsed.set(MYSQL_CLEAR_TEXT_PARAM, "true");
+  return parsed.toString();
+}