fix(core): update

ts/provider.anthropic.ts

@@ -0,0 +1,75 @@
+import * as plugins from './plugins.js';
+import * as paths from './paths.js';
+import { MultiModalModel } from './abstract.classes.multimodal.js';
+
+export class AnthropicProvider extends MultiModalModel {
+  private anthropicToken: string;
+  public anthropicApiClient: plugins.anthropic.default;
+
+  constructor(anthropicToken: string) {
+    super();
+    this.anthropicToken = anthropicToken; // Ensure the token is stored
+  }
+
+  async start() {
+    this.anthropicApiClient = new plugins.anthropic.default({
+      apiKey: this.anthropicToken,
+    });
+  }
+
+  async stop() {}
+
+  chatStream(input: ReadableStream<string>): ReadableStream<string> {
+    const decoder = new TextDecoder();
+    let messageHistory: { role: 'assistant' | 'user'; content: string }[] = [];
+
+    return new ReadableStream({
+      async start(controller) {
+        const reader = input.getReader();
+        try {
+          let done, value;
+          while ((({ done, value } = await reader.read()), !done)) {
+            const userMessage = decoder.decode(value, { stream: true });
+            messageHistory.push({ role: 'user', content: userMessage });
+            const aiResponse = await this.chat('', userMessage, messageHistory);
+            messageHistory.push({ role: 'assistant', content: aiResponse.message });
+            // Directly enqueue the string response instead of encoding it first
+            controller.enqueue(aiResponse.message);
+          }
+          controller.close();
+        } catch (err) {
+          controller.error(err);
+        }
+      },
+    });
+  }
+
+  // Implementing the synchronous chat interaction
+  public async chat(
+    systemMessage: string,
+    userMessage: string,
+    messageHistory: {
+      role: 'assistant' | 'user';
+      content: string;
+    }[]
+  ) {
+    const result = await this.anthropicApiClient.messages.create({
+      model: 'claude-3-opus-20240229',
+      system: systemMessage,
+      messages: [
+        ...messageHistory,
+        { role: 'user', content: userMessage },
+      ],
+      max_tokens: 4000,
+    });
+
+    return {
+      message: result.content,
+    };
+  }
+
+  public async audio(messageArg: string) {
+    // Anthropic does not provide an audio API, so this method is not implemented.
+    throw new Error('Audio generation is not supported by Anthropic.');
+  }
+}