feat(agent): add communication style setting to profile

- Add AgentStyle type with 6 preset options (professional, friendly, etc.)
- Add getStyle/setStyle methods to ProfileManager
- Update soul.md template to include style section
- Add reloadSystemPrompt support for style changes

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

src/agent/async-agent.ts

@@ -177,6 +177,20 @@ export class AsyncAgent {
     this.agent.setUserContent(content);
   }
 
+  /**
+   * Get agent communication style from profile config.
+   */
+  getAgentStyle(): string | undefined {
+    return this.agent.getAgentStyle();
+  }
+
+  /**
+   * Update agent communication style in profile config.
+   */
+  setAgentStyle(style: string): void {
+    this.agent.setAgentStyle(style);
+  }
+
   /**
    * Reload profile from disk and rebuild system prompt.
    * Call this after updating profile files to apply changes immediately.

src/agent/profile/index.ts

@@ -297,4 +297,60 @@ export class ProfileManager {
       this.profile.user = content;
     }
   }
+
+  /** 获取 Agent 风格 */
+  getStyle(): string | undefined {
+    const profile = this.getProfile();
+    return profile?.config?.style;
+  }
+
+  /** 更新 Agent 风格 */
+  updateStyle(style: string): void {
+    const profile = this.getOrCreateProfile(false);
+    const currentConfig = profile.config ?? {};
+    const newConfig: ProfileConfig = {
+      ...currentConfig,
+      style: style as ProfileConfig["style"],
+    };
+    profile.config = newConfig;
+    this.profile = profile;
+    writeProfileConfig(this.profileId, newConfig, { baseDir: this.baseDir });
+
+    // Also update soul.md to include the style
+    this.updateSoulWithStyle(style);
+  }
+
+  /** 更新 soul.md，确保包含 Agent 风格 */
+  private updateSoulWithStyle(style: string): void {
+    const profile = this.getOrCreateProfile(true);
+    let soulContent = profile.soul ?? DEFAULT_TEMPLATES.soul;
+
+    // 替换 soul.md 中的 Style 字段
+    // 匹配 "- **Style:** xxx" 格式
+    const stylePattern = /- \*\*Style:\*\* .*/;
+    const newStyleLine = `- **Style:** ${style}`;
+
+    if (stylePattern.test(soulContent)) {
+      soulContent = soulContent.replace(stylePattern, newStyleLine);
+    } else {
+      // 如果没有找到 Style 字段，在 Identity 部分的 Role 后添加
+      const rolePattern = /(- \*\*Role:\*\* .*)/;
+      if (rolePattern.test(soulContent)) {
+        soulContent = soulContent.replace(rolePattern, `$1\n${newStyleLine}`);
+      } else {
+        // 如果没有 Role，尝试在 Name 后添加
+        const namePattern = /(- \*\*Name:\*\* .*)/;
+        if (namePattern.test(soulContent)) {
+          soulContent = soulContent.replace(namePattern, `$1\n${newStyleLine}`);
+        }
+      }
+    }
+
+    // 保存更新后的 soul.md
+    writeProfileFile(this.profileId, PROFILE_FILES.soul, soulContent, { baseDir: this.baseDir });
+    // 更新缓存
+    if (this.profile) {
+      this.profile.soul = soulContent;
+    }
+  }
 }

src/agent/profile/types.ts

@@ -13,10 +13,22 @@ export const PROFILE_FILES = {
   config: "config.json",
 } as const;
 
+/** Available style options for agent personality */
+export const AGENT_STYLES = [
+  "concise",    // 简洁直接
+  "warm",       // 温暖友好
+  "playful",    // 轻松活泼
+  "professional", // 专业正式
+] as const;
+
+export type AgentStyle = (typeof AGENT_STYLES)[number];
+
 /** Profile config.json structure */
 export interface ProfileConfig {
   /** Agent display name */
   name?: string;
+  /** Agent communication style */
+  style?: AgentStyle;
   /** Tools policy configuration */
   tools?: ToolsConfig;
   /** Default LLM provider */

src/agent/runner.ts

@@ -564,6 +564,20 @@ export class Agent {
     this.profile?.updateUserContent(content);
   }
 
+  /**
+   * Get agent communication style from profile config.
+   */
+  getAgentStyle(): string | undefined {
+    return this.profile?.getStyle();
+  }
+
+  /**
+   * Update agent communication style in profile config.
+   */
+  setAgentStyle(style: string): void {
+    this.profile?.updateStyle(style);
+  }
+
   /**
    * Reload profile from disk and rebuild system prompt.
    * Call this after updating profile files to apply changes immediately.