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feat(ai): provider factories, per-provider catalogs, createProvider (phase 3)

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Auth helpers in src/auth/helpers.ts: envApiKeyAuth() (stored key wins,
then env vars in order, with secret-prompt login) and lazyOAuth()
(flow loads on first use through bundler-opaque dynamic imports in
utils/oauth/load.ts; the OAuthAuth flow exports land in phase 4).
There is no OAuth factory toggle: providers that support OAuth always
attach it, advertising costs nothing until login/refresh runs.

createProvider() in models.ts builds providers from parts: single API
implementation or a map dispatched on model.api (mixed-API providers
like opencode and github-copilot); unknown api yields a stream error.

generate-models.ts now emits one providers/<id>.models.ts catalog per
provider (35 files, biome-excluded like models.generated.ts) and
models.generated.ts becomes a generated aggregator, so importing one
provider factory pulls one catalog. Typed getModel globals unchanged.

One factory per built-in provider under src/providers/: envApiKeyAuth
for standard providers, OAuth for anthropic/openai-codex/github-copilot,
ambient ApiKeyAuth for amazon-bedrock (AWS env/profile/IAM) and
google-vertex (explicit key or ADC+project+location).

providers/all.ts: builtinProviders(), builtinModels(), getBuiltin*
re-exports. fauxProvider() factory returns a real Provider for tests;
legacy registerFauxProvider() unchanged.
This commit is contained in:
Mario Zechner
2026-06-10 20:33:20 +02:00
parent afc2bd370e
commit fec0c3d12f
83 changed files with 18409 additions and 17094 deletions
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packages/ai/test/lazy-module-load.test.ts
+10
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@@ -5,6 +5,7 @@ import { describe, expect, it } from "vitest";
const packageRoot = resolve(dirname(fileURLToPath(import.meta.url)), "..");
const aiEntryUrl = new URL("../src/index.ts", import.meta.url).href;
const providersAllUrl = new URL("../src/providers/all.ts", import.meta.url).href;
const SDK_SPECIFIERS = [
"@anthropic-ai/sdk",
@@ -66,6 +67,15 @@ describe("lazy provider module loading", () => {
expect(result.loadedSpecifiers).toEqual([]);
});
it("does not load provider SDKs when building all builtin providers", () => {
const result = runProbe(`
const all = await import(${JSON.stringify(providersAllUrl)});
const models = all.builtinModels();
await models.getModels();
`);
expect(result.loadedSpecifiers).toEqual([]);
});
it("loads only the Anthropic SDK when streaming through the lazy API wrapper", () => {
const result = runProbe(`
const model = {