Refined tool return error codes.

Now they all return with exit 0 and error messages instead.
This prevents early query abortion on fatal errors.

1 files changed, 22 insertions, 4 deletions

diff --git a/tools/fs_ls.sh b/tools/fs_ls.sh
index d26132f..e62ee89 100755
--- a/tools/fs_ls.sh
+++ b/tools/fs_ls.sh
@@ -1,14 +1,32 @@
 #!/usr/bin/env bash
-set -e
+set -uo pipefail
 
 # @describe List all files and directories at the specified path.
-
 # @option --path! The path of the directory to list
-
 # @env LLM_OUTPUT=/dev/stdout The output path
 
+OUT="${LLM_OUTPUT:-/dev/stdout}"
+
+err() {
+  echo "ERROR: $*" >> "$OUT"
+  exit 0
+}
+
 main() {
-    ls -1 "$argc_path" >> "$LLM_OUTPUT"
+  path="${argc_path:-}"
+  [[ -z "$path" ]] && err "missing --path"
+  [[ ! -e "$path" ]] && err "path not found: $path"
+  [[ ! -d "$path" ]] && err "not a directory: $path"
+
+  # -1A: ein Eintrag pro Zeile, inkl. dotfiles (ohne . und ..)
+  if ! ls -1A "$path" >> "$OUT" 2>/tmp/fs_ls.err; then
+    msg="$(cat /tmp/fs_ls.err 2>/dev/null || true)"
+    err "ls failed for $path: ${msg:-unknown error}"
+  fi
+
+  exit 0
 }
 
 eval "$(argc --argc-eval "$0" "$@")"
+main
+