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wizardchen
fd3e2992b1
Introduce per-model `custom_headers` config (similar to OpenAI Python SDK's `extra_headers`) so users can inject gateway auth tokens, trace IDs, etc. into every outbound API request for chat / embedding / rerank / VLLM / ASR models. Reserved headers like Authorization / Content-Type are always preserved to avoid breaking auth or signing flows. Along the way, unify production and "test connection" paths onto a single `ConfigFromModel(*types.Model, appID, appSecret)` constructor in each model package. Both `service.modelService.GetXxxModel` and the four `handler.initialization.Check*Model` / `TestEmbeddingModel` endpoints now go through the same field mapping, so new parameters only need to be added in one place. Backend: - Add `CustomHeaders map[string]string` to `types.ModelParameters` with JSON/YAML `omitempty` tags for forward compatibility. - New `internal/utils/extraheaders.go` providing `ApplyCustomHeaders` (for hand-rolled HTTP paths) and `WrapHTTPClientWithHeaders` / `CustomHeadersRoundTripper` (for SDK paths like go-openai). Reserved headers (Authorization, api-key, Content-Type, Accept, Host, Content-Length, User-Agent) are filtered out. - Inject headers in every remote model path: chat (SDK + raw HTTP), embedding (openai/aliyun/jina/volcengine/nvidia/azure_openai), rerank (remote_api/aliyun/jina/nvidia/zhipu — via shared `customHeaderSetter` interface), VLM and ASR (via http.Client wrapping). - Add `ConfigFromModel` to each of chat/embedding/rerank/vlm/asr, consolidating field mapping (ExtraConfig, CustomHeaders, InterfaceType defaulting, WeKnoraCloud credentials, etc.) and cover it with dedicated unit tests per package. - Refactor `service/model.go`: replace ~100 lines of hand-written Config literals with one-line `ConfigFromModel` calls; drop the now-unused `stringMapToAnyMap` helper. - Refactor `handler/initialization.go` test-connection endpoints: merge four ad-hoc request structs into one `ModelTestRequest`, extract `buildTestModel` and `resolveTenantWeKnoraCloudCreds` helpers, and route all four endpoints through `ConfigFromModel` + `NewXxx` so the test path is now behaviorally identical to production. Frontend: - Add `custom_headers` to the `ModelConfig` API type. - `ModelEditorDialog.vue`: new Key-Value header editor (add/remove rows), auto-converts map <-> array when loading/saving, and passes the current header set to the `Test Connection` button so the preview reflects exactly what production will send. - `ModelSettings.vue`: serialize the header array back into a map for the backend (drops empty rows). - i18n: add custom-header labels / descriptions / placeholders to zh-CN, en-US, ru-RU, ko-KR. Tests: - `internal/utils/extraheaders_test.go` covers reserved-header filtering and round-tripper wrapping (including nil-client fallback). - New `config_from_model_test.go` in chat / embedding / rerank / vlm / asr verifies all fields (CustomHeaders, ExtraConfig, InterfaceType defaulting, AppID/AppSecret) are propagated end-to-end.