fix: install.sh clone llm-functions automatiquement

install.sh

@@ -25,14 +25,14 @@ python3 -m venv "$CLAUDE_DIR/venv"
 echo "OK"
 
 echo ""
-echo "=== Construction des outils llm-functions ==="
-if [[ -f "$CLAUDE_DIR/llm-functions/Argcfile.sh" ]]; then
-    (cd "$CLAUDE_DIR/llm-functions" && argc build)
-    echo "OK"
+echo "=== Installation de llm-functions ==="
+if [[ ! -f "$CLAUDE_DIR/llm-functions/Argcfile.sh" ]]; then
+    git clone https://github.com/sigoden/llm-functions.git "$CLAUDE_DIR/llm-functions"
 else
-    echo "WARN : llm-functions non trouvé — lance d'abord :"
-    echo "  git subtree add --prefix .claude/llm-functions https://github.com/sigoden/llm-functions.git main --squash"
+    echo "déjà présent"
 fi
+(cd "$CLAUDE_DIR/llm-functions" && argc build)
+echo "OK"
 
 echo ""
 echo "=== Mise à jour du .gitignore projet ==="