AI Analysis: configurable model and increased timeout

app/Services/AIAnalysisService.php

@@ -92,11 +92,12 @@ class AIAnalysisService
         // For now, I'll use a mocked response or try to use a generic endpoint if configured.
         // I'll check if the user has an Ollama endpoint.
         
-        $ollamaUrl = config('services.ollama.url', 'http://localhost:11434/api/generate');
+        $ollamaUrl = env('OLLAMA_URL', 'http://localhost:11434/api/generate');
+        $ollamaModel = env('OLLAMA_MODEL', 'mistral');
         
         try {
             $response = Http::timeout(120)->post($ollamaUrl, [
-                'model' => 'mistral',
+                'model' => $ollamaModel,
                 'prompt' => $prompt,
                 'stream' => false,
                 'format' => 'json'