style: clang-format 18 (CI lint) on Wave-A sources

Reflow usage.c, config.c, file.c, test_client_cli.c, test_file.c so the
clang-format check passes.  Whitespace-only; no behavior change.

tests/test_client_cli.c

@@ -2237,6 +2237,8 @@ static void test_parse_args_rejects_malformed_identity() {
   int positional_args[2];
   int positional_count = 0;
   EXPECT_EQ_INT(parse_args(cfg, 2, argv, positional_args, &positional_count), -1);
+  config_delete(cfg);
+}
 
 /* --preallocate parses as a boolean flag and validates cleanly. */
 static void test_parse_args_preallocate() {

tests/test_file.c

@@ -391,8 +391,8 @@ static void test_file_write_to_disk_with_fsync() {
 static void test_file_write_to_disk_preallocate_atomic() {
   const char* path = "test_file_write_prealloc_atomic.txt";
   const char* content = "prealloc atomic content";
-  EXPECT_TRUE(file_to_disk_secure(path, content, strlen(content), false, false, true, NULL, false,
-                                  NULL));
+  EXPECT_TRUE(
+      file_to_disk_secure(path, content, strlen(content), false, false, true, NULL, false, NULL));
   struct stat st;
   EXPECT_EQ_INT(stat(path, &st), 0);
   EXPECT_EQ_INT((int)st.st_size, (int)strlen(content));
@@ -409,8 +409,8 @@ static void test_file_write_to_disk_preallocate_atomic() {
 static void test_file_write_to_disk_preallocate_inplace() {
   const char* path = "test_file_write_prealloc_inplace.txt";
   const char* content = "prealloc inplace content";
-  EXPECT_TRUE(file_to_disk_secure(path, content, strlen(content), true, false, true, NULL, false,
-                                  NULL));
+  EXPECT_TRUE(
+      file_to_disk_secure(path, content, strlen(content), true, false, true, NULL, false, NULL));
   struct stat st;
   EXPECT_EQ_INT(stat(path, &st), 0);
   EXPECT_EQ_INT((int)st.st_size, (int)strlen(content));