verify rpc and website gates

tests/pi-runtime.test.ts

@@ -10,6 +10,7 @@ test("buildPiArgs includes configured runtime paths and prompt", () => {
 		workingDir: "/workspace",
 		sessionDir: "/sessions",
 		feynmanAgentDir: "/home/.feynman/agent",
+		mode: "rpc",
 		initialPrompt: "hello",
 		explicitModelSpec: "openai:gpt-5.4",
 		thinkingLevel: "medium",
@@ -22,6 +23,8 @@ test("buildPiArgs includes configured runtime paths and prompt", () => {
 		"/repo/feynman/extensions/research-tools.ts",
 		"--prompt-template",
 		"/repo/feynman/prompts",
+		"--mode",
+		"rpc",
 		"--model",
 		"openai:gpt-5.4",
 		"--thinking",