feat: implement repo create command

tests/functional/functional_test.go

@@ -940,3 +940,42 @@ func TestCLIReleaseList(t *testing.T) {
 
 	t.Logf("Successfully listed releases via CLI")
 }
+
+// TestCLIRepoCreate verifies `fgj repo create` creates a repository
+func TestCLIRepoCreate(t *testing.T) {
+	env := NewTestEnv(t)
+
+	repoName := fmt.Sprintf("fgj-test-create-%d", time.Now().UnixNano())
+	defer env.CleanupRepo(env.Owner, repoName)
+
+	result := env.RunCLI(
+		"--hostname", env.Hostname,
+		"repo", "create", repoName,
+		"--public",
+		"-d", "Created by fgj functional test",
+	)
+
+	if result.ExitCode != 0 {
+		t.Fatalf("repo create failed with exit code %d: %s", result.ExitCode, result.Stderr)
+	}
+
+	if !bytes.Contains([]byte(result.Stdout), []byte(repoName)) {
+		t.Fatalf("expected output to contain repo name %q, got: %s", repoName, result.Stdout)
+	}
+
+	repo, _, err := env.Client.GetRepo(env.Owner, repoName)
+	if err != nil {
+		t.Fatalf("repo was not created or not accessible: %v", err)
+	}
+	if repo.Name != repoName {
+		t.Fatalf("expected repo name %q, got %q", repoName, repo.Name)
+	}
+	if repo.Private {
+		t.Fatalf("expected public repo, got private")
+	}
+	if repo.Description != "Created by fgj functional test" {
+		t.Fatalf("expected description %q, got %q", "Created by fgj functional test", repo.Description)
+	}
+
+	t.Logf("Successfully created repository %s via CLI", repo.FullName)
+}