Feat/rerank model (#2137)

* feat(provider): add rerank model management as a core model type

* feat(provider): add rerank support to existing requesters and new rerank providers

* feat(web): add rerank model management UI and pipeline config

* fix(provider): correct rerank support_type after verification

- Add rerank to OpenRouter (confirmed /api/v1/rerank endpoint)
- Remove rerank from Ollama (no native support, PR #7219 unmerged)
- Remove rerank from JiekouAI (no rerank docs found, URL path mismatch)

* fix(provider): remove alru_cache from model getters and add rerank param hints

* fix: resolve lint errors

- Remove unused alru_cache import from modelmgr.py
- Remove unused error_message variable in invoke_rerank
- Fix prettier formatting in frontend files

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

* fix: remove unused exception variable

- Change `except Exception as e:` to `except Exception:` since e is not used
- Fix prettier formatting in ProviderCard.tsx

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

* fix: apply ruff format

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

* feat(template): add rerank config fields to default pipeline config

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

* chore: remove PR.md

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

* fix(ui): remove duplicate rerank model form in AddModelPopover

The form was being rendered twice: once in TabsContent manual mode
and again in a separate conditional block for rerank tab.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

---------

Co-authored-by: Claude Opus 4.7 <noreply@anthropic.com>

web/src/app/infra/http/BackendClient.ts

@@ -31,6 +31,9 @@ import {
   ApiRespProviderEmbeddingModels,
   ApiRespProviderEmbeddingModel,
   EmbeddingModel,
+  ApiRespProviderRerankModels,
+  ApiRespProviderRerankModel,
+  RerankModel,
   ApiRespPluginSystemStatus,
   ApiRespMCPServers,
   ApiRespMCPServer,
@@ -182,6 +185,39 @@ export class BackendClient extends BaseHttpClient {
     return this.post(`/api/v1/provider/models/embedding/${uuid}/test`, model);
   }
 
+  // ============ Provider Model Rerank ============
+  public getProviderRerankModels(
+    providerUuid?: string,
+  ): Promise<ApiRespProviderRerankModels> {
+    const params = providerUuid ? { provider_uuid: providerUuid } : {};
+    return this.get('/api/v1/provider/models/rerank', params);
+  }
+
+  public getProviderRerankModel(
+    uuid: string,
+  ): Promise<ApiRespProviderRerankModel> {
+    return this.get(`/api/v1/provider/models/rerank/${uuid}`);
+  }
+
+  public createProviderRerankModel(model: RerankModel): Promise<object> {
+    return this.post('/api/v1/provider/models/rerank', model);
+  }
+
+  public deleteProviderRerankModel(uuid: string): Promise<object> {
+    return this.delete(`/api/v1/provider/models/rerank/${uuid}`);
+  }
+
+  public updateProviderRerankModel(
+    uuid: string,
+    model: RerankModel,
+  ): Promise<object> {
+    return this.put(`/api/v1/provider/models/rerank/${uuid}`, model);
+  }
+
+  public testRerankModel(uuid: string, model: RerankModel): Promise<object> {
+    return this.post(`/api/v1/provider/models/rerank/${uuid}/test`, model);
+  }
+
   // ============ Pipeline API ============
   public getGeneralPipelineMetadata(): Promise<GetPipelineMetadataResponseData> {
     // as designed, this method will be deprecated, and only for developer to check the prefered config schema