[ES|QL] RERANK command validation support

[vadimkibana]

Summary

Partially addresses #217285

Checklist

• Unit or functional tests were updated or added to match the most common scenarios

[vadimkibana]

/ci

[elasticmachine]

Pinging @elastic/kibana-esql (Team:ESQL)

[github-actions]

🤖 GitHub comments

Expand to view the GitHub comments

Just comment with:

• /oblt-deploy : Deploy a Kibana instance using the Observability test environments.
• run docs-build : Re-trigger the docs validation. (use unformatted text in the comment!)

[stratoula]

@drewdaemon can you take this PR review?

[elasticmachine]

💛 Build succeeded, but was flaky

• Buildkite Build
• Commit: 989cbf7
• Kibana Serverless Image: docker.elastic.co/kibana-ci/kibana-serverless:pr-221004-989cbf772d54

Failed CI Steps

• FTR Configs #54
• FTR Configs #69
• AppEx AI-Infra Inference APIs FTR tests #1

Test Failures

• [job] [logs] FTR Configs #54 / Cloud Security Posture Old Data Findings page with old data returns data grid with only data within retention CSPM
• [job] [logs] AppEx AI-Infra Inference APIs FTR tests / Inference plugin - API integration tests Connector bedrock-claude-3-5-sonnet chatComplete API streaming enabled executes a tool when explicitly requested
• [job] [logs] FTR Configs #69 / Synthetics API Tests SyncGlobalParams parsed params for previously added http monitors

Metrics [docs]

Module Count

Fewer modules leads to a faster build time

id	before	after	diff
esql	202	203	+1
lists	430	431	+1
securitySolution	7399	7400	+1
stackAlerts	256	257	+1
unifiedSearch	364	365	+1
total			+5

Public APIs missing comments

Total count of every public API that lacks a comment. Target amount is 0. Run node scripts/build_api_docs --plugin [yourplugin] --stats comments for more detailed information.

id	before	after	diff
@kbn/esql-ast	263	264	+1
@kbn/esql-validation-autocomplete	163	168	+5
total			+6

Page load bundle

Size of the bundles that are downloaded on every page load. Target size is below 100kb

id	before	after	diff
kbnUiSharedDeps-srcJs	3.7MB	3.7MB	+2.9KB

Unknown metric groups

API count

id	before	after	diff
@kbn/esql-ast	329	330	+1
@kbn/esql-validation-autocomplete	184	191	+7
total			+8

References to deprecated APIs

id	before	after	diff
@kbn/esql-validation-autocomplete	3	2	-1

History

• 💛 Build #301924 was flaky 9189327
• 💔 Build #301826 failed 2a6b719
• 💔 Build #301730 failed 91348ae
• 💔 Build #301710 failed cbfae2e
• 💔 Build #301697 failed 51bd98d