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feat(ai): Add Amazon Bedrock provider (#494)

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Adds support for Amazon Bedrock with Claude models including:
- Full streaming support via Converse API
- Reasoning/thinking support for Claude models
- Cross-region inference model ID handling
- Multiple AWS credential sources (profile, IAM keys, API keys)
- Image support in messages and tool results
- Unicode surrogate sanitization

Also adds 'Adding a New Provider' documentation to AGENTS.md and README.

Co-authored-by: nickchan2 <nickchan2@users.noreply.github.com>
This commit is contained in:
Mario Zechner 2026-01-13 00:32:59 +01:00
parent 4f216d318f
commit fd268479a4
31 changed files with 3550 additions and 2593 deletions
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17
packages/ai/test/context-overflow.test.ts
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@ -18,6 +18,7 @@ import { getModel } from "../src/models.js";
import { complete } from "../src/stream.js";
import type { AssistantMessage, Context, Model, Usage } from "../src/types.js";
import { isContextOverflow } from "../src/utils/overflow.js";
import { hasBedrockCredentials } from "./bedrock-utils.js";
import { resolveApiKey } from "./oauth.js";
// Resolve OAuth tokens at module level (async, runs before tests)
@ -284,6 +285,22 @@ describe("Context overflow error handling", () => {
);
});
// =============================================================================
// Amazon Bedrock
// Expected pattern: "Input is too long for requested model"
// =============================================================================
describe.skipIf(!hasBedrockCredentials())("Amazon Bedrock", () => {
it("claude-sonnet-4-5 - should detect overflow via isContextOverflow", async () => {
const model = getModel("amazon-bedrock", "global.anthropic.claude-sonnet-4-5-20250929-v1:0");
const result = await testContextOverflow(model, "");
logResult(result);
expect(result.stopReason).toBe("error");
expect(isContextOverflow(result.response, model.contextWindow)).toBe(true);
}, 120000);
});
// =============================================================================
// xAI
// Expected pattern: "maximum prompt length is X but the request contains Y"