feat(mistral): add Mistral provider with native PDF OCR and chat integration

ts/classes.smartai.ts

@@ -2,6 +2,7 @@ import { Conversation } from './classes.conversation.js';
 import * as plugins from './plugins.js';
 import { AnthropicProvider } from './provider.anthropic.js';
 import { ElevenLabsProvider } from './provider.elevenlabs.js';
+import { MistralProvider } from './provider.mistral.js';
 import { OllamaProvider } from './provider.ollama.js';
 import { OpenAiProvider } from './provider.openai.js';
 import { PerplexityProvider } from './provider.perplexity.js';
@@ -15,12 +16,18 @@ export interface ISmartAiOptions {
   anthropicToken?: string;
   perplexityToken?: string;
   groqToken?: string;
+  mistralToken?: string;
   xaiToken?: string;
   elevenlabsToken?: string;
   exo?: {
     baseUrl?: string;
     apiKey?: string;
   };
+  mistral?: {
+    chatModel?: string;
+    ocrModel?: string;
+    tableFormat?: 'markdown' | 'html';
+  };
   ollama?: {
     baseUrl?: string;
     model?: string;
@@ -32,7 +39,7 @@ export interface ISmartAiOptions {
   };
 }
 
-export type TProvider = 'openai' | 'anthropic' | 'perplexity' | 'ollama' | 'exo' | 'groq' | 'xai' | 'elevenlabs';
+export type TProvider = 'openai' | 'anthropic' | 'perplexity' | 'ollama' | 'exo' | 'groq' | 'mistral' | 'xai' | 'elevenlabs';
 
 export class SmartAi {
   public options: ISmartAiOptions;
@@ -43,6 +50,7 @@ export class SmartAi {
   public ollamaProvider: OllamaProvider;
   public exoProvider: ExoProvider;
   public groqProvider: GroqProvider;
+  public mistralProvider: MistralProvider;
   public xaiProvider: XAIProvider;
   public elevenlabsProvider: ElevenLabsProvider;
 
@@ -75,6 +83,15 @@ export class SmartAi {
       });
       await this.groqProvider.start();
     }
+    if (this.options.mistralToken) {
+      this.mistralProvider = new MistralProvider({
+        mistralToken: this.options.mistralToken,
+        chatModel: this.options.mistral?.chatModel,
+        ocrModel: this.options.mistral?.ocrModel,
+        tableFormat: this.options.mistral?.tableFormat,
+      });
+      await this.mistralProvider.start();
+    }
     if (this.options.xaiToken) {
       this.xaiProvider = new XAIProvider({
         xaiToken: this.options.xaiToken,
@@ -119,6 +136,9 @@ export class SmartAi {
     if (this.groqProvider) {
       await this.groqProvider.stop();
     }
+    if (this.mistralProvider) {
+      await this.mistralProvider.stop();
+    }
     if (this.xaiProvider) {
       await this.xaiProvider.stop();
     }
@@ -150,6 +170,8 @@ export class SmartAi {
         return Conversation.createWithOllama(this);
       case 'groq':
         return Conversation.createWithGroq(this);
+      case 'mistral':
+        return Conversation.createWithMistral(this);
       case 'xai':
         return Conversation.createWithXai(this);
       case 'elevenlabs':