[8.12] [Obs AI Assistant] Perform functions etc on the server (#172590)

[kibanamachine]

Backport

This will backport the following commits from main to 8.12:

• [Obs AI Assistant] Perform functions etc on the server (#172590)

Questions ?

Please refer to the Backport tool documentation

[elasticmachine]

Pinging @elastic/apm-ui (Team:APM)

[kibana-ci]

💛 Build succeeded, but was flaky

• Buildkite Build
• Commit: 7f57aeb
• Storybooks Preview

Failed CI Steps

• Detection Engine - Security Solution Cypress Tests #6

Metrics [docs]

Module Count

Fewer modules leads to a faster build time

id	before	after	diff
apm	1546	1539	-7
observabilityAIAssistant	226	212	-14
total			-21

Async chunks

Total size of all lazy-loaded chunks that will be downloaded as the user navigates the app

id	before	after	diff
apm	3.7MB	3.7MB	-16.2KB
observabilityAIAssistant	204.4KB	146.5KB	-57.9KB
total			-74.1KB

Public APIs missing exports

Total count of every type that is part of your API that should be exported but is not. This will cause broken links in the API documentation system. Target amount is 0. Run node scripts/build_api_docs --plugin [yourplugin] --stats exports for more detailed information.

id	before	after	diff
apm	127	125	-2
observabilityAIAssistant	9	12	+3
total			+1

Page load bundle

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

id	before	after	diff
apm	36.8KB	36.7KB	-69.0B
observabilityAIAssistant	15.8KB	15.6KB	-225.0B
total			-294.0B

Unknown metric groups

async chunk count

id	before	after	diff
observabilityAIAssistant	7	6	-1

ESLint disabled in files

id	before	after	diff
observabilityAIAssistant	3	4	+1

ESLint disabled line counts

id	before	after	diff
observabilityAIAssistant	4	3	-1

To update your PR or re-run it, just comment with:
@elasticmachine merge upstream

cc @dgieselaar