fix: remove unused builtins import, add Makefile clean target by dev-engineer

Author: Coding-Dev-Tools

Makefile

@@ -1,5 +1,5 @@
 # Generated by Agent B — Lint & Type Scripts
-.PHONY: lint test format typecheck format-check
+.PHONY: lint test format typecheck format-check clean
 
 lint:
 	ruff check src/ tests/
@@ -15,3 +15,7 @@ typecheck:
 
 test:
 	pytest -q
+
+clean:
+	rm -rf build/ dist/ *.egg-info/ .pytest_cache/ __pycache__/
+	find . -type d -name __pycache__ -exec rm -rf {} + 2>/dev/null || true

src/devforge/cli.py

@@ -1,6 +1,5 @@
 """DevForge unified CLI entry point."""
 
-import builtins as _builtins
 import subprocess
 import sys
 import typer
@@ -86,7 +85,7 @@ def install(
 ):
     """Install a DevForge tool."""
     if tool == "all":
-        targets = _builtins.list(TOOLS.keys())
+        targets = list(TOOLS.keys())
         extras = ",".join(TOOLS.keys())
     elif tool in TOOLS:
         targets = [tool]
@@ -119,7 +118,7 @@ def show_versions(
         console.print(f"[red]Unknown tool: {tool}[/red]")
         console.print(f"Available: {', '.join(TOOLS.keys())}")
         raise typer.Exit(code=1)
-    targets = [tool] if tool else _builtins.list(TOOLS.keys())
+    targets = [tool] if tool else list(TOOLS.keys())
 
     for t in targets:
         info = TOOLS[t]