[ML] Inference endpoints UI: adds tech preview badge for preconfigured ELSER endpoint (#223299)

## Summary

Fixes https://github.com/elastic/kibana/issues/223263
Adds tech preview badge to preconfigured ELSER endpoint


![image](https://github.com/user-attachments/assets/ea5db905-62c2-4310-99d5-68cef7d384a8)


### Checklist

Check the PR satisfies following conditions. 

Reviewers should verify this PR satisfies this list as well.

- [ ] Any text added follows [EUI's writing
guidelines](https://elastic.github.io/eui/#/guidelines/writing), uses
sentence case text and includes [i18n
support](https://github.com/elastic/kibana/blob/main/src/platform/packages/shared/kbn-i18n/README.md)
- [ ]
[Documentation](https://www.elastic.co/guide/en/kibana/master/development-documentation.html)
was added for features that require explanation or tutorials
- [ ] [Unit or functional
tests](https://www.elastic.co/guide/en/kibana/master/development-tests.html)
were updated or added to match the most common scenarios
- [ ] If a plugin configuration key changed, check if it needs to be
allowlisted in the cloud and added to the [docker
list](https://github.com/elastic/kibana/blob/main/src/dev/build/tasks/os_packages/docker_generator/resources/base/bin/kibana-docker)
- [ ] This was checked for breaking HTTP API changes, and any breaking
changes have been approved by the breaking-change committee. The
`release_note:breaking` label should be applied in these situations.
- [ ] [Flaky Test
Runner](https://ci-stats.kibana.dev/trigger_flaky_test_runner/1) was
used on any tests changed
- [ ] The PR description includes the appropriate Release Notes section,
and the correct `release_note:*` label is applied per the
[guidelines](https://www.elastic.co/guide/en/kibana/master/contributing.html#kibana-release-notes-process)

### Identify risks

Does this PR introduce any risks? For example, consider risks like hard
to test bugs, performance regression, potential of data loss.

Describe the risk, its severity, and mitigation for each identified
risk. Invite stakeholders and evaluate how to proceed before merging.

- [ ] [See some risk
examples](https://github.com/elastic/kibana/blob/main/RISK_MATRIX.mdx)
- [ ] ...

---------

Co-authored-by: Elastic Machine <elasticmachine@users.noreply.github.com>

x-pack/solutions/search/plugins/search_inference_endpoints/public/components/all_inference_endpoints/tabular_page.test.tsx

@@ -88,6 +88,22 @@ const inferenceEndpoints = [
       model_id: 'rainbow-sprinkles',
     },
   },
+  {
+    inference_id: '.elser-v2-elastic',
+    task_type: 'sparse_embedding',
+    service: 'elastic',
+    service_settings: {
+      model_id: 'elser-v2',
+    },
+  },
+  {
+    inference_id: 'custom-inference-id',
+    task_type: 'sparse_embedding',
+    service: 'elastic',
+    service_settings: {
+      model_id: 'elser-v2',
+    },
+  },
 ] as InferenceAPIConfigResponse[];
 
 jest.mock('../../hooks/use_delete_endpoint', () => ({
@@ -102,12 +118,14 @@ describe('When the tabular page is loaded', () => {
 
     const rows = screen.getAllByRole('row');
     expect(rows[1]).toHaveTextContent('.elser-2-elasticsearch');
-    expect(rows[2]).toHaveTextContent('.multilingual-e5-small-elasticsearch');
-    expect(rows[3]).toHaveTextContent('.sparkles');
-    expect(rows[4]).toHaveTextContent('elastic-rerank');
-    expect(rows[5]).toHaveTextContent('local-model');
-    expect(rows[6]).toHaveTextContent('my-elser-model-05');
-    expect(rows[7]).toHaveTextContent('third-party-model');
+    expect(rows[2]).toHaveTextContent('.elser-v2-elastic');
+    expect(rows[3]).toHaveTextContent('.multilingual-e5-small-elasticsearch');
+    expect(rows[4]).toHaveTextContent('.sparkles');
+    expect(rows[5]).toHaveTextContent('custom-inference-id');
+    expect(rows[6]).toHaveTextContent('elastic-rerank');
+    expect(rows[7]).toHaveTextContent('local-model');
+    expect(rows[8]).toHaveTextContent('my-elser-model-05');
+    expect(rows[9]).toHaveTextContent('third-party-model');
   });
 
   it('should display all service and model ids in the table', () => {
@@ -117,23 +135,29 @@ describe('When the tabular page is loaded', () => {
     expect(rows[1]).toHaveTextContent('Elasticsearch');
     expect(rows[1]).toHaveTextContent('.elser_model_2');
 
-    expect(rows[2]).toHaveTextContent('Elasticsearch');
-    expect(rows[2]).toHaveTextContent('.multilingual-e5-small');
+    expect(rows[2]).toHaveTextContent('Elastic');
+    expect(rows[2]).toHaveTextContent('.elser-v2-elastic');
 
-    expect(rows[3]).toHaveTextContent('Elastic');
-    expect(rows[3]).toHaveTextContent('rainbow-sprinkles');
+    expect(rows[3]).toHaveTextContent('Elasticsearch');
+    expect(rows[3]).toHaveTextContent('.multilingual-e5-small');
 
-    expect(rows[4]).toHaveTextContent('Elasticsearch');
-    expect(rows[4]).toHaveTextContent('.rerank-v1');
+    expect(rows[4]).toHaveTextContent('Elastic');
+    expect(rows[4]).toHaveTextContent('rainbow-sprinkles');
 
-    expect(rows[5]).toHaveTextContent('Elasticsearch');
-    expect(rows[5]).toHaveTextContent('.own_model');
+    expect(rows[5]).toHaveTextContent('Elastic');
+    expect(rows[5]).toHaveTextContent('elser-v2');
 
     expect(rows[6]).toHaveTextContent('Elasticsearch');
-    expect(rows[6]).toHaveTextContent('.elser_model_2');
+    expect(rows[6]).toHaveTextContent('.rerank-v1');
 
-    expect(rows[7]).toHaveTextContent('OpenAI');
+    expect(rows[7]).toHaveTextContent('Elasticsearch');
     expect(rows[7]).toHaveTextContent('.own_model');
+
+    expect(rows[8]).toHaveTextContent('Elasticsearch');
+    expect(rows[8]).toHaveTextContent('.elser_model_2');
+
+    expect(rows[9]).toHaveTextContent('OpenAI');
+    expect(rows[9]).toHaveTextContent('.own_model');
   });
 
   it('should only disable delete action for preconfigured endpoints', () => {
@@ -169,23 +193,28 @@ describe('When the tabular page is loaded', () => {
     expect(rows[1]).toHaveTextContent(preconfigured);
     expect(rows[2]).toHaveTextContent(preconfigured);
     expect(rows[3]).toHaveTextContent(preconfigured);
-    expect(rows[4]).not.toHaveTextContent(preconfigured);
+    expect(rows[4]).toHaveTextContent(preconfigured);
     expect(rows[5]).not.toHaveTextContent(preconfigured);
     expect(rows[6]).not.toHaveTextContent(preconfigured);
+    expect(rows[7]).not.toHaveTextContent(preconfigured);
+    expect(rows[8]).not.toHaveTextContent(preconfigured);
+    expect(rows[9]).not.toHaveTextContent(preconfigured);
   });
 
-  it('should show tech preview badge only for reranker-v1 model', () => {
+  it('should show tech preview badge only for reranker-v1 model, rainbow-sprinkles, and preconfigured elser-v2', () => {
     render(<TabularPage inferenceEndpoints={inferenceEndpoints} />);
 
     const techPreview = 'TECH PREVIEW';
 
     const rows = screen.getAllByRole('row');
     expect(rows[1]).not.toHaveTextContent(techPreview);
-    expect(rows[2]).not.toHaveTextContent(techPreview);
-    expect(rows[3]).toHaveTextContent(techPreview);
+    expect(rows[2]).toHaveTextContent(techPreview);
+    expect(rows[3]).not.toHaveTextContent(techPreview);
     expect(rows[4]).toHaveTextContent(techPreview);
     expect(rows[5]).not.toHaveTextContent(techPreview);
-    expect(rows[6]).not.toHaveTextContent(techPreview);
+    expect(rows[6]).toHaveTextContent(techPreview);
     expect(rows[7]).not.toHaveTextContent(techPreview);
+    expect(rows[8]).not.toHaveTextContent(techPreview);
+    expect(rows[9]).not.toHaveTextContent(techPreview);
   });
 });

x-pack/solutions/search/plugins/search_inference_endpoints/public/utils/reranker_helper.ts

@@ -6,8 +6,14 @@
  */
 
 import { InferenceInferenceEndpointInfo } from '@elastic/elasticsearch/lib/api/types';
+import { ServiceProviderKeys } from '@kbn/inference-endpoint-ui-common';
 export const isProviderTechPreview = (provider: InferenceInferenceEndpointInfo) => {
-  const { service_settings: serviceSettings, task_type: taskType } = provider;
+  const {
+    inference_id: inferenceId,
+    service,
+    service_settings: serviceSettings,
+    task_type: taskType,
+  } = provider;
   const modelId = serviceSettings?.model_id;
 
   // If there's no model ID in service settings, it's not a tech preview
@@ -19,7 +25,13 @@ export const isProviderTechPreview = (provider: InferenceInferenceEndpointInfo)
     For rerank task type, model ID starting with '.' indicates tech preview
     Special case for 'rainbow-sprinkles' model
   */
-  if ((taskType === 'rerank' && modelId.startsWith('.')) || modelId === 'rainbow-sprinkles') {
+  if (
+    (taskType === 'rerank' && modelId.startsWith('.')) ||
+    modelId === 'rainbow-sprinkles' ||
+    (modelId === 'elser-v2' &&
+      inferenceId.startsWith('.') &&
+      service === ServiceProviderKeys.elastic)
+  ) {
     return true;
   }