VIBN Frontend for Coolify deployment

lib/ai/llm-client.ts

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+import type { ZodType, ZodTypeDef } from 'zod';
+
+export type LlmModel = 'gemini' | 'gpt' | 'sonnet';
+
+export interface LlmMessage {
+  role: 'system' | 'user' | 'assistant';
+  content: string;
+}
+
+export interface ThinkingConfig {
+  /**
+   * Thinking level for Gemini 3 models
+   * - 'low': Minimizes latency and cost (for simple tasks)
+   * - 'high': Maximizes reasoning depth (for complex tasks, default)
+   */
+  thinking_level?: 'low' | 'high';
+  
+  /**
+   * Whether to include thoughts in the response
+   * Useful for debugging/understanding model reasoning
+   */
+  include_thoughts?: boolean;
+}
+
+export interface StructuredCallArgs<TOutput> {
+  model: LlmModel;
+  systemPrompt: string;
+  messages: LlmMessage[];
+  schema: ZodType<TOutput, ZodTypeDef, any>;
+  temperature?: number;
+  
+  /**
+   * Gemini 3 thinking configuration
+   * Enables internal reasoning before responding
+   */
+  thinking_config?: ThinkingConfig;
+}
+
+export interface LlmClient {
+  structuredCall<TOutput>(args: StructuredCallArgs<TOutput>): Promise<TOutput>;
+}
+
+