opus version correction

link.sh

@@ -9,21 +9,33 @@ CLAUDE="$HOME/.claude"
 
 mkdir -p "$CLAUDE"
 
-# Core config files
+# Core config files (plain files — ln -sf handles these correctly)
 ln -sf "$REPO/CLAUDE.md"      "$CLAUDE/CLAUDE.md"
 ln -sf "$REPO/settings.json"  "$CLAUDE/settings.json"
 
-# Agents and skills
-ln -sf "$REPO/agents"  "$CLAUDE/agents"
-ln -sf "$REPO/skills"  "$CLAUDE/skills"
+# Agents and skills — must handle the case where target exists
+# as a real directory (ln -sf would create a link INSIDE the dir
+# instead of replacing it)
+for item in agents skills lib; do
+  target="$CLAUDE/$item"
+  if [ -L "$target" ]; then
+    # Stale symlink from a previous run — remove before recreating
+    rm -f "$target"
+  elif [ -d "$target" ]; then
+    echo "⚠️  ~/.claude/$item is a real directory (not a symlink)."
+    echo "   Rename or remove it, then re-run link.sh."
+    echo "   Skipping $item to avoid data loss."
+    continue
+  fi
+  ln -sf "$REPO/$item" "$target"
+done
 
 # Hooks
 mkdir -p "$CLAUDE/hooks"
 ln -sf "$REPO/hooks/session-start.sh" "$CLAUDE/hooks/session-start.sh"
 
-# GStack (submodule) — symlink from skills-external/ into ~/.claude/skills/
+# GStack (submodule) — symlink into ~/.claude/skills/ (which points to repo/skills/)
 # The submodule must be initialized first (done by install-plugins.sh)
-mkdir -p "$CLAUDE/skills"
 if [ -d "$REPO/skills-external/gstack" ]; then
   ln -sf "$REPO/skills-external/gstack" "$CLAUDE/skills/gstack"
   echo "✅ GStack symlinked from submodule"