Fix symlink resolution for SCRIPT_DIR in both scripts

Scripts now resolve symlinks before computing SCRIPT_DIR, so
they work correctly when invoked via ~/.local/bin/ symlinks.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

bin/plan-status

@@ -4,7 +4,14 @@
 
 set -euo pipefail
 
-SCRIPT_DIR="$(cd "$(dirname "$0")/.." && pwd)"
+# Resolve symlinks to find real script location
+SOURCE="${BASH_SOURCE[0]}"
+while [[ -L "$SOURCE" ]]; do
+    DIR="$(cd -P "$(dirname "$SOURCE")" && pwd)"
+    SOURCE="$(readlink "$SOURCE")"
+    [[ $SOURCE != /* ]] && SOURCE="$DIR/$SOURCE"
+done
+SCRIPT_DIR="$(cd -P "$(dirname "$SOURCE")/.." && pwd)"
 source "$SCRIPT_DIR/lib/frontmatter.sh"
 
 SEARCH_ROOT="${HOME}/projects"