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refactor(agent): integrate system prompt builder into profile, runner, and subagent

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ProfileManager.buildSystemPrompt() now delegates to the structured builder.
Runner assembles prompt after tool resolution with safety, tooling summary,
and runtime info. Subagent prompts use minimal mode with safety constitution.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
This commit is contained in:
yushen 2026-02-04 15:41:22 +08:00
parent 5a06bed549
commit 8333615fb4
4 changed files with 111 additions and 87 deletions
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3
src/agent/subagent/announce.test.ts
View file

@ -10,11 +10,12 @@ describe("buildSubagentSystemPrompt", () => {
task: "Analyze the auth module for security issues",
});
expect(prompt).toContain("You are a subagent spawned to complete a specific task");
expect(prompt).toContain("## Subagent Rules");
expect(prompt).toContain("Analyze the auth module for security issues");
expect(prompt).toContain("parent-123");
expect(prompt).toContain("child-456");
expect(prompt).toContain("Do NOT spawn nested subagents");
expect(prompt).toContain("## Safety");
});
it("includes label when provided", () => {

36
src/agent/subagent/announce.ts
View file

@ -9,6 +9,7 @@
import { readEntries } from "../session/storage.js";
import { getHub } from "../../hub/hub-singleton.js";
import { buildSystemPrompt } from "../system-prompt/index.js";
import type {
SubagentAnnounceParams,
SubagentRunOutcome,
@ -17,33 +18,18 @@ import type {
/**
* Build the system prompt injected into a subagent session.
* Uses the structured prompt builder with "minimal" mode.
*/
export function buildSubagentSystemPrompt(params: SubagentSystemPromptParams): string {
const { requesterSessionId, childSessionId, label, task } = params;
const lines: string[] = [
"You are a subagent spawned to complete a specific task.",
"",
"## Rules",
"- Stay focused on the assigned task below.",
"- Complete the task thoroughly and report your findings.",
"- Do NOT initiate side actions unrelated to the task.",
"- Do NOT attempt to communicate with the user directly.",
"- Do NOT spawn nested subagents.",
"- Your session is ephemeral and will be cleaned up after completion.",
"",
"## Context",
`Requester session: ${requesterSessionId}`,
`Child session: ${childSessionId}`,
];
if (label) {
lines.push(`Label: "${label}"`);
}
lines.push("", "## Task", task);
return lines.join("\n");
return buildSystemPrompt({
mode: "minimal",
subagent: {
requesterSessionId: params.requesterSessionId,
childSessionId: params.childSessionId,
label: params.label,
task: params.task,
},
});
}
/**