Add DeepSeek and LMStudio providers

- Integrate DeepSeek and LMStudio AI providers
- Add message processing utilities for improved handling
- Implement reasoning panel for message actions
- Add logging functionality to UI
- Update configurations and dependencies

src/lib/providers/deepseek.ts

@@ -0,0 +1,69 @@
+import { DeepSeekChat } from '../deepseekChat';
+import logger from '../../utils/logger';
+import { getDeepseekApiKey } from '../../config';
+import axios from 'axios';
+
+interface DeepSeekModel {
+  id: string;
+  object: string;
+  owned_by: string;
+}
+
+interface ModelListResponse {
+  object: 'list';
+  data: DeepSeekModel[];
+}
+
+interface ChatModelConfig {
+  displayName: string;
+  model: DeepSeekChat;
+}
+
+const MODEL_DISPLAY_NAMES: Record<string, string> = {
+  'deepseek-reasoner': 'DeepSeek R1',
+  'deepseek-chat': 'DeepSeek V3'
+};
+
+export const loadDeepSeekChatModels = async (): Promise<Record<string, ChatModelConfig>> => {
+  const deepSeekEndpoint = 'https://api.deepseek.com'; 
+
+  const apiKey = getDeepseekApiKey();
+  if (!apiKey) return {}; 
+
+  if (!deepSeekEndpoint || !apiKey) {
+    logger.debug('DeepSeek endpoint or API key not configured, skipping');
+    return {};
+  }
+
+  try {
+    const response = await axios.get<{ data: DeepSeekModel[] }>(`${deepSeekEndpoint}/models`, {
+      headers: {
+        'Content-Type': 'application/json',
+        'Authorization': `Bearer ${apiKey}`,
+      },
+    });
+
+    const deepSeekModels = response.data.data;
+
+    const chatModels = deepSeekModels.reduce<Record<string, ChatModelConfig>>((acc, model) => {
+      // Only include models we have display names for
+      if (model.id in MODEL_DISPLAY_NAMES) {
+        acc[model.id] = {
+          displayName: MODEL_DISPLAY_NAMES[model.id],
+          model: new DeepSeekChat({
+            apiKey,
+            baseURL: deepSeekEndpoint,
+            modelName: model.id,
+            temperature: 0.7,
+          }),
+        };
+      }
+      return acc;
+    }, {});
+
+    return chatModels;
+  } catch (err) {
+    logger.error(`Error loading DeepSeek models: ${String(err)}`);
+    return {};
+  }
+};