🐛 Enforce max_depth limit in flat and tree renderers

Add early return in recursive rendering functions to skip nodes beyond max_depth, ensuring the parameter is respected and preventing excessive output or recursion in deep directory structures.

Author: elifarley

src/cedarmapper/render/flat.py

@@ -61,6 +61,10 @@ def render_flat(
     rows: list[_DisplayRow] = []
 
     def _render_node(node: DirInfo | FileInfo, depth: int, parent_path: str) -> None:
+        # Only include this node if it's within max_depth
+        if depth > max_depth:
+            return
+
         display_path = (
             f"{parent_path}{node.path.name}"
             if isinstance(node, FileInfo)

src/cedarmapper/render/tree.py

@@ -62,6 +62,10 @@ def _render_node(
         is_last_stack: list[bool],  # stack indicating whether current ancestor is last
         parent_display_path: str,
     ) -> None:
+        # Only include this node if it's within max_depth
+        if depth > max_depth:
+            return
+
         # Build prefix either with numbered indent or with branch characters
         if numbered_indent:
             prefix = f"{depth:>3} "