chore(deadcode): move gateway live probe helper out of prod path

config/knip.config.ts

@@ -128,7 +128,6 @@ const config = {
     "**/*.test-utils.ts",
     "test/helpers/live-image-probe.ts",
     "src/secrets/credential-matrix.ts",
-    "src/gateway/live-tool-probe-utils.ts",
     "src/shared/text/assistant-visible-text.ts",
     bundledPluginFile("telegram", "src/bot/reply-threading.ts"),
     bundledPluginFile("telegram", "src/draft-chunking.ts"),

src/gateway/gateway-models.profiles.live.test.ts

@@ -67,7 +67,7 @@ import {
   isLikelyToolNonceRefusal,
   shouldRetryExecReadProbe,
   shouldRetryToolReadProbe,
-} from "./live-tool-probe-utils.js";
+} from "./live-tool-probe.test-helpers.js";
 import { startGatewayServer } from "./server.impl.js";
 import { readSessionMessagesAsync } from "./session-transcript-readers.js";
 import { loadSessionEntry } from "./session-utils.js";

src/gateway/live-tool-probe-utils.test.ts

@@ -8,7 +8,7 @@ import {
   isLikelyToolNonceRefusal,
   shouldRetryExecReadProbe,
   shouldRetryToolReadProbe,
-} from "./live-tool-probe-utils.js";
+} from "./live-tool-probe.test-helpers.js";
 
 describe("live tool probe utils", () => {
   describe("nonce matching", () => {