BREAKING CHANGE(vercel-ai-sdk): migrate to Vercel AI SDK v6 and introduce provider registry (getModel) returning LanguageModelV3

ts/smartai.interfaces.ts

@@ -0,0 +1,53 @@
+import type { LanguageModelV3 } from '@ai-sdk/provider';
+
+export type TProvider =
+  | 'anthropic'
+  | 'openai'
+  | 'google'
+  | 'groq'
+  | 'mistral'
+  | 'xai'
+  | 'perplexity'
+  | 'ollama';
+
+export interface ISmartAiOptions {
+  provider: TProvider;
+  model: string;
+  apiKey?: string;
+  /** For Ollama: base URL of the local server. Default: http://localhost:11434 */
+  baseUrl?: string;
+  /**
+   * Ollama-specific model runtime options.
+   * Only used when provider === 'ollama'.
+   */
+  ollamaOptions?: IOllamaModelOptions;
+  /**
+   * Enable Anthropic prompt caching on system + recent messages.
+   * Only used when provider === 'anthropic'. Default: true.
+   */
+  promptCaching?: boolean;
+}
+
+/**
+ * Ollama model runtime options passed in the request body `options` field.
+ * @see https://github.com/ollama/ollama/blob/main/docs/modelfile.md
+ */
+export interface IOllamaModelOptions {
+  /** Context window size. Default: 2048. */
+  num_ctx?: number;
+  /** 0 = deterministic. Default: 0.8. For Qwen models use 0.55. */
+  temperature?: number;
+  top_k?: number;
+  top_p?: number;
+  repeat_penalty?: number;
+  num_predict?: number;
+  stop?: string[];
+  seed?: number;
+  /**
+   * Enable thinking/reasoning mode (Qwen3, QwQ, DeepSeek-R1 etc.).
+   * The custom Ollama provider handles this directly.
+   */
+  think?: boolean;
+}
+
+export type { LanguageModelV3 };