feat(orcarouter): add OrcaRouter chat model component - #953
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Add components/model/orcarouter, a new standalone module that wraps the shared eino-ext libs/acl/openai client with OrcaRouter's default endpoint (https://api.orcarouter.ai/v1) and namespaced model ids (anthropic/claude-sonnet-5, anthropic/claude-haiku-4.5). Implements model.ChatModel and model.ToolCallingChatModel: Generate, Stream, tool calling, and reasoning_content passthrough for Anthropic thinking models served by OrcaRouter. Includes unit tests, a chat example, and README.md / README_zh.md. Co-Authored-By: Claude <noreply@anthropic.com>
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What does this PR do?
Adds a new
components/model/orcarouterprovider component to eino-ext — an OrcaRouter implementation ofmodel.ChatModel(andmodel.ToolCallingChatModel), mirroring the existingcomponents/model/openrouterwiring.OrcaRouter is an AI gateway that serves OpenAI-compatible (
/v1/chat/completions), Anthropic-compatible (/v1/messages) and embedding endpoints from one base URL, with namespaced model ids (anthropic/claude-sonnet-5,anthropic/claude-haiku-4.5, …). It also runs gateway-level, zero-trust security for AI agents on the same endpoint — screening every prompt/response and governing every tool call on a default-deny basis, with no application code changes.Changes
components/model/orcarouter/chatmodel.go— thin wrapper over the sharedeino-ext/libs/acl/openaiclient, withdefaultBaseURL = https://api.orcarouter.ai/v1, namespaced model ids, and standard sampling parameters (temperature,top_p,max_tokens,stop,seed, …).components/model/orcarouter/chatmodel_test.go— 8 unit tests (config validation, default base URL, Generate, streaming, tool calling, forced tools,reasoning_contentpassthrough for Anthropic thinking models).components/model/orcarouter/examples/chat/main.go— runnable chat-completion example.components/model/orcarouter/README.md/README_zh.md,go.mod/go.sum— standalone module (samego 1.18+eino v0.7.13/acl/openai v0.1.17dependency set as theopenroutercomponent).Verification
go build ./...andgo vet ./...clean;go test ./...— all 8 tests pass (Go 1.25.6, the version used by this repo's CI).Generateagainsthttps://api.orcarouter.ai/v1(anthropic/claude-haiku-4.5) returnsORCA-OK;StreamreturnsSTREAM-OK.Type of change
Checklist
I'm an engineer on the OrcaRouter team.