Merge all 5 PRs: security, CLI features, protocol, performance, tests/docs

src/client/scanner.c

@@ -215,6 +215,7 @@ typedef struct {
   int include_count;
   unsigned long long max_size;
   unsigned long long min_size;
+  int max_depth;
 } ParallelWorkerArg;
 
 static int parallel_worker_thread(void* arg) {
@@ -222,7 +223,7 @@ static int parallel_worker_thread(void* arg) {
   for (int i = 0; i < wa->dir_count; i++) {
     DirectoryScanner* ds = directory_scanner_create(
         wa->dirs[i], wa->use_metadata, wa->chunk_size, wa->exclude_patterns, wa->exclude_count,
-        wa->include_patterns, wa->include_count, wa->max_size, wa->min_size);
+        wa->include_patterns, wa->include_count, wa->max_size, wa->min_size, wa->max_depth);
     Chunk* chunk;
     while ((chunk = directory_scanner_next(ds)) != NULL) {
       queue_enqueue_multithreaded(wa->ps->result_queue, chunk, &wa->ps->result_mutex,
@@ -248,7 +249,8 @@ ParallelScanner* parallel_scanner_create(char* root_directory, bool use_metadata
                                          unsigned long long chunk_size, char** exclude_patterns,
                                          int exclude_count, char** include_patterns,
                                          int include_count, unsigned long long max_size,
-                                         unsigned long long min_size, int num_threads) {
+                                         unsigned long long min_size, int max_depth,
+                                         int num_threads) {
   ParallelScanner* ps = calloc(1, sizeof(ParallelScanner));
   if (!ps)
     return NULL;
@@ -406,6 +408,7 @@ ParallelScanner* parallel_scanner_create(char* root_directory, bool use_metadata
       wa->include_count = include_count;
       wa->max_size = max_size;
       wa->min_size = min_size;
+      wa->max_depth = max_depth;
       start += count;
       if (thrd_create(&ps->threads[t], parallel_worker_thread, wa) != thrd_success) {
         for (int j = 0; j < count; j++)