feat: add deployment foundation and cross-device handoff

internal/cli/preflight_test.go

@@ -0,0 +1,21 @@
+package cli
+
+import (
+	"encoding/json"
+	"testing"
+)
+
+func TestPreflightDoesNotAuthorizeInstallation(t *testing.T) {
+	code, out, diagnostics := run([]string{"preflight"}, "")
+	var response struct {
+		ProtocolVersion int    `json:"protocolVersion"`
+		Mode            string `json:"mode"`
+		Proposal        struct {
+			Executable bool     `json:"executable"`
+			Blockers   []string `json:"blockers"`
+		} `json:"proposal"`
+	}
+	if code != 0 || json.Unmarshal([]byte(out), &response) != nil || response.ProtocolVersion != 1 || response.Mode != "local-environment-proposal" || response.Proposal.Executable || len(response.Proposal.Blockers) == 0 {
+		t.Fatalf("unsafe report: %s %s", out, diagnostics)
+	}
+}