feat: split assistant persona from worker persona

test/config.test.ts

@@ -27,6 +27,12 @@ test("parses Config v3 defaults for one Bot, agent, and platform", () => {
   assert.equal(config.runtime.acp.promptTimeoutMs, 14_400_000);
   assert.equal(config.runtime.acp.maxAssistantSessions, 4);
   assert.equal(config.bot.permissions.mode, "deny");
+  assert.equal(config.bot.assistantPersona, "");
+});
+
+test("parses optional bot.assistantPersona", () => {
+  const config = parseConfig(raw({ bot: { ...(raw().bot as object), assistantPersona: "像运维老同事一样讲话" } }));
+  assert.equal(config.bot.assistantPersona, "像运维老同事一样讲话");
 });
 
 test("explicitly rejects non-v3 configuration and unknown fields", () => {

test/role-registry.test.ts

@@ -0,0 +1,48 @@
+import assert from "node:assert/strict";
+import test from "node:test";
+import { parseConfig } from "../src/config.js";
+import { BotProfileResolver } from "../src/roles/role-registry.js";
+
+function resolvedBot(botOverrides: Record<string, unknown> = {}) {
+  const config = parseConfig({
+    configVersion: 3,
+    bot: {
+      id: "test-bot", workspace: "/tmp", persona: "Worker 人格：严格的安全/运维边界。",
+      agent: { id: "kimi", command: "kimi", args: ["acp"], env: {} },
+      skills: [], permissions: { mode: "deny" },
+      ...botOverrides
+    },
+    gateway: { platform: { type: "webhook", secret: "secret" } },
+    runtime: {}
+  });
+  return new BotProfileResolver(config).bot;
+}
+
+test("assistant uses assistantPersona while worker keeps persona", () => {
+  const bot = resolvedBot({ assistantPersona: "Assistant 人格：像运维老同事一样说人话。" });
+  assert.match(bot.assistantBootstrap, /Assistant 人格：像运维老同事一样说人话。/);
+  assert.doesNotMatch(bot.assistantBootstrap, /Worker 人格：严格的安全\/运维边界。/);
+  assert.match(bot.workerBootstrap, /Worker 人格：严格的安全\/运维边界。/);
+  assert.doesNotMatch(bot.workerBootstrap, /Assistant 人格/);
+});
+
+test("assistant falls back to persona when assistantPersona is empty", () => {
+  const bot = resolvedBot();
+  assert.match(bot.assistantBootstrap, /Worker 人格：严格的安全\/运维边界。/);
+  assert.match(bot.workerBootstrap, /Worker 人格：严格的安全\/运维边界。/);
+});
+
+test("assistant bootstrap carries human speaking-style rules, worker bootstrap does not", () => {
+  const bot = resolvedBot({ assistantPersona: "Assistant 人格" });
+  assert.match(bot.assistantBootstrap, /reliable colleague/);
+  assert.match(bot.assistantBootstrap, /conclusion, then the reason, then the next step/);
+  assert.match(bot.assistantBootstrap, /2-4 sentences/);
+  assert.match(bot.assistantBootstrap, /actionable next step/);
+  assert.doesNotMatch(bot.workerBootstrap, /reliable colleague/);
+});
+
+test("assistantPersona participates in the bot fingerprint", () => {
+  const base = resolvedBot();
+  const withPersona = resolvedBot({ assistantPersona: "Assistant 人格" });
+  assert.notEqual(base.fingerprint, withPersona.fingerprint);
+});