feat: add method to list models

src/backend/src/modules/puterai/AIInterfaceService.js

@@ -28,6 +28,11 @@ class AIInterfaceService extends BaseService {
         col_interfaces.set('puter-chat-completion', {
             description: 'Chatbot.',
             methods: {
+                list: {
+                    description: 'List supported models',
+                    result: { type: 'json' },
+                    parameters: {},
+                },
                 complete: {
                     description: 'Get completions for a chat log.',
                     parameters: {

src/backend/src/modules/puterai/ClaudeService.js

@@ -26,6 +26,12 @@ class ClaudeService extends BaseService {
     
     static IMPLEMENTS = {
         ['puter-chat-completion']: {
+            async list () {
+                return [
+                    'claude-3-5-sonnet-20240620',
+                    'claude-3-haiku-20240307',
+                ];
+            },
             async complete ({ messages, stream, model }) {
                 const adapted_messages = [];
                 

src/backend/src/modules/puterai/OpenAICompletionService.js

@@ -23,6 +23,12 @@ class OpenAICompletionService extends BaseService {
 
     static IMPLEMENTS = {
         ['puter-chat-completion']: {
+            async list () {
+                return [
+                    'gpt-4o',
+                    'gpt-4o-mini',
+                ];
+            },
             async complete ({ messages, test_mode, stream, model }) {
                 if ( test_mode ) {
                     const { LoremIpsum } = require('lorem-ipsum');

src/backend/src/modules/puterai/TogetherAIService.js

@@ -22,6 +22,14 @@ class TogetherAIService extends BaseService {
     
     static IMPLEMENTS = {
         ['puter-chat-completion']: {
+            async list () {
+                let models = this.modules.kv.get(`${this.kvkey}:models`);
+                if ( models ) return models;
+                models = await this.together.models.list();
+                this.modules.kv.set(
+                    `${this.kvkey}:models`, models, { EX: 5*60 });
+                return models;
+            },
             async complete ({ messages, stream, model }) {
                 console.log('model?', model);
                 const completion = await this.together.chat.completions.create({