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feat(provider): add dedicated AWS Bedrock Converse API provider

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Replace the non-functional OpenAI-compatible stub with a purpose-built
Bedrock provider that implements AWS SigV4 signing from first principles
using hmac/sha2/hex crates — no AWS SDK dependency.

Key capabilities:
- SigV4 authentication (AKSK + optional session token)
- Converse API with native tool calling support
- Prompt caching via cachePoint heuristics
- Proper URI encoding for model IDs containing colons
- Resilient response parsing with unknown block type fallback

Also updates:
- Factory wiring and credential resolution bypass for AKSK auth
- Onboard wizard with Bedrock-specific model selection and guidance
- Provider reference docs with auth, region, and model ID details

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
KevinZhao 2026-02-19 09:38:02 +08:00 • committed by Chummy
parent 9f94ad6db4
commit 0e4e0d590d
4 changed files with 1322 additions and 27 deletions
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13
docs/providers-reference.md
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@ -41,7 +41,7 @@ credential is not reused for fallback providers.
| `zai` | `z.ai` | No | `ZAI_API_KEY` |
| `glm` | `zhipu` | No | `GLM_API_KEY` |
| `minimax` | `minimax-intl`, `minimax-io`, `minimax-global`, `minimax-cn`, `minimaxi`, `minimax-oauth`, `minimax-oauth-cn`, `minimax-portal`, `minimax-portal-cn` | No | `MINIMAX_OAUTH_TOKEN`, `MINIMAX_API_KEY` |
| `bedrock` | `aws-bedrock` | No | (use config/`API_KEY` fallback) |
| `bedrock` | `aws-bedrock` | No | `AWS_ACCESS_KEY_ID` + `AWS_SECRET_ACCESS_KEY` + `AWS_REGION` |
| `qianfan` | `baidu` | No | `QIANFAN_API_KEY` |
| `qwen` | `dashscope`, `qwen-intl`, `dashscope-intl`, `qwen-us`, `dashscope-us` | No | `DASHSCOPE_API_KEY` |
| `groq` | — | No | `GROQ_API_KEY` |
@ -56,6 +56,17 @@ credential is not reused for fallback providers.
| `lmstudio` | `lm-studio` | Yes | (optional; local by default) |
| `nvidia` | `nvidia-nim`, `build.nvidia.com` | No | `NVIDIA_API_KEY` |
### Bedrock Notes
- Provider ID: `bedrock` (alias: `aws-bedrock`)
- API: [Converse API](https://docs.aws.amazon.com/bedrock/latest/APIReference/API_runtime_Converse.html)
- Authentication: AWS AKSK (not a single API key). Set `AWS_ACCESS_KEY_ID` + `AWS_SECRET_ACCESS_KEY` environment variables.
- Optional: `AWS_SESSION_TOKEN` for temporary/STS credentials, `AWS_REGION` or `AWS_DEFAULT_REGION` (default: `us-east-1`).
- Default onboarding model: `anthropic.claude-sonnet-4-5-20250929-v1:0`
- Supports native tool calling and prompt caching (`cachePoint`).
- Cross-region inference profiles supported (e.g., `us.anthropic.claude-*`).
- Model IDs use Bedrock format: `anthropic.claude-sonnet-4-6`, `anthropic.claude-opus-4-6-v1`, etc.
### Kimi Code Notes
- Provider ID: `kimi-code`