Components: Switch agentic/components to 0.81+, update ref instructions and usage

[Jason Morse (JasonVMo)]

Platforms Impacted

• iOS
• macOS
• win32 (Office)
• windows
• android

Description of changes

The way refs are handled changed between react 18 and 19. To support dual use we used componentRef as a pattern internally but with our 0.74 usage rapidly dwindling it makes sense to use modern patterns in the new component package. As a result this change:

• moves packages/agentic/components to support react-native 0.81 which raises the react requirement.
• put in guidance around how to treat refs in modern components
• adjusts the components themselves to follow this guidance

Verification

Automation, pipelines, will do more manual inspection before merging

[github-actions]

Bundle size report

Tree-shaken production Metro bundles. Component costs are relative to their platform shell; shell costs are absolute.

Platform	Scenario	Baseline cost	Current cost	Cost delta	Change	Gzip delta	Module delta
macos	shell	801.3 KiB	801.3 KiB	0.0 KiB	0.00%	0.0 KiB	+0
macos	components-button	50.1 KiB	50.2 KiB	+0.2 KiB	+0.34%	+0.0 KiB	+2
macos	components-catalog	267.3 KiB	273.7 KiB	+6.4 KiB	+2.38%	+2.3 KiB	+9
macos	design-theme-state	33.3 KiB	33.4 KiB	+0.1 KiB	+0.40%	+0.1 KiB	+2
macos	design-color-lib	7.1 KiB	7.1 KiB	0.0 KiB	0.00%	0.0 KiB	+0
macos	design-theme-state-legacy-source	35.3 KiB	35.5 KiB	+0.1 KiB	+0.38%	+0.0 KiB	+2
macos	design-legacy-theme-from-flex	100.2 KiB	100.4 KiB	+0.1 KiB	+0.13%	+0.1 KiB	+2
windows	shell	810.2 KiB	810.2 KiB	0.0 KiB	0.00%	0.0 KiB	+0
windows	components-button	50.0 KiB	50.2 KiB	+0.2 KiB	+0.34%	+0.0 KiB	+2
windows	components-catalog	267.0 KiB	273.4 KiB	+6.4 KiB	+2.38%	+2.3 KiB	+9
windows	design-theme-state	33.2 KiB	33.3 KiB	+0.1 KiB	+0.41%	+0.1 KiB	+2
windows	design-color-lib	7.1 KiB	7.1 KiB	0.0 KiB	0.00%	0.0 KiB	+0
windows	design-theme-state-legacy-source	35.3 KiB	35.4 KiB	+0.1 KiB	+0.38%	+0.0 KiB	+2
windows	design-legacy-theme-from-flex	100.0 KiB	100.1 KiB	+0.1 KiB	+0.13%	+0.1 KiB	+2

The job is advisory: size changes are reported but do not fail the pull request. Bundle or analysis errors still fail.

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