chore(deadcode): inline inbound prompt prefix

src/agents/embedded-agent-runner/run/runtime-context-prompt.test.ts

@@ -3,7 +3,6 @@
 import { describe, expect, it } from "vitest";
 import {
   buildCurrentInboundPrompt,
-  buildCurrentInboundPromptContextPrefix,
   buildRuntimeContextCustomMessage,
   resolveRuntimeContextPromptParts,
 } from "./runtime-context-prompt.js";
@@ -282,31 +281,6 @@ describe("runtime context prompt submission", () => {
     });
   });
 
-  it("uses current-turn context as prompt-local text", () => {
-    expect(
-      buildCurrentInboundPromptContextPrefix({
-        text: "Conversation info (untrusted metadata):\n```json\n{}\n```",
-      }),
-    ).toBe("Conversation info (untrusted metadata):\n```json\n{}\n```");
-  });
-
-  it("can use compact current-turn context for resumable backends", () => {
-    expect(
-      buildCurrentInboundPromptContextPrefix(
-        {
-          text: "Room context:\nAlice: lunch?\n\nCurrent event:\nBob: yes",
-          resumableText: "Current event:\nBob: yes",
-        },
-        { preferResumableText: true },
-      ),
-    ).toBe("Current event:\nBob: yes");
-  });
-
-  it("omits empty current-turn context", () => {
-    expect(buildCurrentInboundPromptContextPrefix(undefined)).toBe("");
-    expect(buildCurrentInboundPromptContextPrefix({ text: "   " })).toBe("");
-  });
-
   it("joins current-turn context and prompt with the requested separator", () => {
     expect(
       buildCurrentInboundPrompt({
@@ -332,6 +306,13 @@ describe("runtime context prompt submission", () => {
         preferResumableText: true,
       }),
     ).toBe("Current event:\nBob: yes\n\n[OpenClaw room event]");
+
+    expect(
+      buildCurrentInboundPrompt({
+        context: { text: "   " },
+        prompt: "visible ask",
+      }),
+    ).toBe("visible ask");
   });
 
   it("builds runtime context as prompt-local custom context before the current user prompt", () => {

src/agents/embedded-agent-runner/run/runtime-context-prompt.ts

@@ -34,27 +34,17 @@ export type RuntimeContextCustomMessage = {
 
 type EmptyTranscriptMode = "model-prompt" | "runtime-event";
 
-/** Returns the visible or resumable inbound prompt prefix used before the user prompt. */
-export function buildCurrentInboundPromptContextPrefix(
-  context: CurrentInboundPromptContext | undefined,
-  options?: { preferResumableText?: boolean },
-): string {
-  const text =
-    options?.preferResumableText === true
-      ? (context?.resumableText ?? context?.text)
-      : context?.text;
-  return text?.trim() ?? "";
-}
-
 /** Combines inbound context and the current prompt using the channel-provided joiner. */
 export function buildCurrentInboundPrompt(params: {
   context: CurrentInboundPromptContext | undefined;
   prompt: string;
   preferResumableText?: boolean;
 }): string {
-  const prefix = buildCurrentInboundPromptContextPrefix(params.context, {
-    preferResumableText: params.preferResumableText,
-  });
+  const contextText =
+    params.preferResumableText === true
+      ? (params.context?.resumableText ?? params.context?.text)
+      : params.context?.text;
+  const prefix = contextText?.trim() ?? "";
   if (!prefix) {
     return params.prompt;
   }