feat(ai): OpenAI-compatible provider (covers Ollama)

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

packages/feature-ai/src/index.ts

@@ -3,3 +3,4 @@ export { createSecretBox, type SecretBox } from "./crypto";
 /** Migration folders for this package. Empty: the AI package uses the ai_* tables from 0001_init.sql. */
 export const migrationsDirs: string[] = [];
 export * from "./settings";
+export * from "./providers";