cli-cleanup (#1)

Reviewed-on: #1
Co-authored-by: Vishesh 'ironeagle' Bangotra <aetoskia@gmail.com>
Co-committed-by: Vishesh 'ironeagle' Bangotra <aetoskia@gmail.com>

tests/cli/test_build_mcp.py

@@ -0,0 +1,29 @@
+from pathlib import Path
+from docforge.cli.main import cli
+
+def test_mcp_build(cli_runner):
+    with cli_runner.isolated_filesystem():
+        cwd = Path.cwd()
+        pkg = cwd / "testpkg"
+        pkg.mkdir()
+        (pkg / "__init__.py").write_text("")
+        (pkg / "mod.py").write_text("def f(): ...\n")
+
+        out_dir = cwd / "mcp_docs"
+
+        result = cli_runner.invoke(
+            cli,
+            [
+                "build",
+                "--mcp",
+                "--module",
+                "testpkg",
+                "--out-dir",
+                str(out_dir),
+            ],
+        )
+
+        assert result.exit_code == 0
+        assert (out_dir / "index.json").exists()
+        assert (out_dir / "nav.json").exists()
+        assert (out_dir / "modules" / "testpkg.mod.json").exists()