fix: pre-commit hook — handle non-lisp org files (no :tangle header)

The set -euo pipefail combined with grep returning non-zero on files
without a :tangle header (like ROADMAP.org) caused the hook to abort
silently, preventing commits. Added || true to the grep pipeline.

scripts/pre-commit-repl-check

@@ -35,7 +35,7 @@ for orgfile in $CHANGED; do
     [ -f "$orgfile" ] || continue
 
     # Determine the tangle target from the org file's PROPERTY line
-    TANGLE=$(grep 'header-args.*:tangle' "$orgfile" | sed "s/.*:tangle //" | head -1)
+    TANGLE=$(grep 'header-args.*:tangle' "$orgfile" | sed "s/.*:tangle //" | head -1 || true)
     if [ -z "$TANGLE" ]; then
         echo "SKIP: $orgfile — no :tangle header" >&2
         continue
@@ -48,7 +48,7 @@ for orgfile in $CHANGED; do
     # Tangle the org file to lisp
     if ! emacs --batch -L "$PROJECT_DIR" --eval "(require 'ob-tangle)" \
          --eval "(org-babel-tangle-file \"$ORG_DIR/$(basename "$orgfile")\")" \
-         2>/dev/null; then
+         </dev/null 2>/dev/null; then
         echo "FAIL: $orgfile — tangling failed" >&2
         FAILED=1
         continue
@@ -62,7 +62,7 @@ for orgfile in $CHANGED; do
     # Compile the lisp file in the daemon.
     # We send a Lisp form that compiles the file and returns T or an error string.
     # Using format to avoid backquote/comma issues.
-    LISP_ABS=$(realpath "$LISP_FILE")
+    LISP_ABS=$(realpath "$LISP_FILE" 2>/dev/null || echo "$LISP_FILE")
     CODE=$(cat <<-LISPEOF
     (let ((*standard-output* (make-broadcast-stream))
           (*error-output* (make-broadcast-stream)))