添加 ModelCaller 和 Options 类，重构 Logger，增强 Amily2Bus 架构，更新 README 和 TODO 文件

SL/bus/api/Options.js

@@ -0,0 +1,98 @@
+/**
+ * ModelCaller 请求配置类
+ * 支持构造函数直接传入对象，或使用 Builder 链式调用
+ */
+export class Options {
+    constructor(config = {}) {
+        /** @type {'direct'|'preset'} */
+        this.mode = config.mode || 'direct';
+        /** @type {boolean} */
+        this.fakeStream = config.fakeStream ?? false;
+        /** @type {string} */
+        this.apiUrl = config.apiUrl || '';
+        /** @type {string} */
+        this.apiKey = config.apiKey || '';
+        /** @type {string} */
+        this.model = config.model || '';
+        /** @type {string} */
+        this.presetId = config.presetId || '';
+        /** @type {number} */
+        this.maxTokens = config.maxTokens || 4000;
+        /** @type {number} */
+        this.temperature = config.temperature || 0.7;
+        /** @type {Object} 额外透传参数 */
+        this.params = config.params || {};
+    }
+
+    /**
+     * 获取 Builder 实例
+     * @returns {OptionsBuilder}
+     */
+    static builder() {
+        return new OptionsBuilder();
+    }
+}
+
+/**
+ * Options 构建器类
+ */
+class OptionsBuilder {
+    constructor() {
+        this.config = {};
+    }
+
+    setMode(mode) {
+        this.config.mode = mode;
+        return this;
+    }
+
+    setFakeStream(enabled) {
+        this.config.fakeStream = enabled;
+        return this;
+    }
+
+    setApiUrl(url) {
+        this.config.apiUrl = url;
+        return this;
+    }
+
+    setApiKey(key) {
+        this.config.apiKey = key;
+        return this;
+    }
+
+    setModel(model) {
+        this.config.model = model;
+        return this;
+    }
+
+    setPresetId(id) {
+        this.config.presetId = id;
+        return this;
+    }
+
+    setMaxTokens(tokens) {
+        this.config.maxTokens = tokens;
+        return this;
+    }
+
+    setTemperature(temp) {
+        this.config.temperature = temp;
+        return this;
+    }
+
+    setParams(params) {
+        this.config.params = { ...(this.config.params || {}), ...params };
+        return this;
+    }
+
+    /**
+     * 构建最终的 Options 对象
+     * @returns {Options}
+     */
+    build() {
+        return new Options(this.config);
+    }
+}
+
+export default Options;