fix(ai): revert selective pi-ai base entrypoints

packages/ai/src/index.ts

@@ -1,6 +1,47 @@
-import { registerBuiltInImagesApiProviders } from "./providers/register-builtins.ts";
+export type { Static, TSchema } from "typebox";
+export { Type } from "typebox";
 
-export * from "./base.ts";
+export * from "./api-registry.ts";
+export * from "./env-api-keys.ts";
+export * from "./image-models.ts";
+export * from "./images.ts";
+export * from "./images-api-registry.ts";
+export * from "./models.ts";
+export type { BedrockOptions, BedrockThinkingDisplay } from "./providers/amazon-bedrock.ts";
+export type { AnthropicEffort, AnthropicOptions, AnthropicThinkingDisplay } from "./providers/anthropic.ts";
+export type { AzureOpenAIResponsesOptions } from "./providers/azure-openai-responses.ts";
+export * from "./providers/faux.ts";
+export type { GoogleOptions } from "./providers/google.ts";
+export type { GoogleThinkingLevel } from "./providers/google-shared.ts";
+export type { GoogleVertexOptions } from "./providers/google-vertex.ts";
+export * from "./providers/images/register-builtins.ts";
+export type { MistralOptions } from "./providers/mistral.ts";
+export type {
+	OpenAICodexResponsesOptions,
+	OpenAICodexWebSocketDebugStats,
+} from "./providers/openai-codex-responses.ts";
+export type { OpenAICompletionsOptions } from "./providers/openai-completions.ts";
+export type { OpenAIResponsesOptions } from "./providers/openai-responses.ts";
 export * from "./providers/register-builtins.ts";
-
-registerBuiltInImagesApiProviders();
+export * from "./session-resources.ts";
+export * from "./stream.ts";
+export * from "./types.ts";
+export * from "./utils/diagnostics.ts";
+export * from "./utils/event-stream.ts";
+export * from "./utils/json-parse.ts";
+export type {
+	OAuthAuthInfo,
+	OAuthCredentials,
+	OAuthDeviceCodeInfo,
+	OAuthLoginCallbacks,
+	OAuthPrompt,
+	OAuthProvider,
+	OAuthProviderId,
+	OAuthProviderInfo,
+	OAuthProviderInterface,
+	OAuthSelectOption,
+	OAuthSelectPrompt,
+} from "./utils/oauth/types.ts";
+export * from "./utils/overflow.ts";
+export * from "./utils/typebox-helpers.ts";
+export * from "./utils/validation.ts";