Add Workbox service worker example

[bcomnes]

Summary

Adds the Workbox-based static-MPA service-worker example on top of #262 and #282.

• Converts the finalized Domstack manifest into Workbox precache and route policy through manifestBuilt.
• Demonstrates Workbox routing, expiration, offline fallback, updates, reset, inspection, and background events.
• Includes example documentation and the Workbox integration design plan.

Validation

• npm run build --workspace=@domstack/static-mpa-workbox-offline-example
• npx tsc -p examples/static-mpa-workbox-offline/tsconfig.json
• npm test

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[socket-security]

Review the following changes in direct dependencies. Learn more about Socket for GitHub.

Diff	Package	Supply Chain Security	Vulnerability	Quality	Maintenance	License
	npm/​workbox-cacheable-response@​7.4.1
	npm/​workbox-recipes@​7.4.1
	npm/​workbox-expiration@​7.4.1
	npm/​workbox-window@​7.4.1
	npm/​workbox-routing@​7.4.1
	npm/​workbox-core@​7.4.1
	npm/​workbox-precaching@​7.4.1
	npm/​workbox-strategies@​7.4.1

View full report

[coveralls]

Coverage Report for CI Build 30649080578

Coverage increased (+0.2%) to 93.362%

Details

• Coverage increased (+0.2%) from the base build.
• Patch coverage: No coverable lines changed in this PR.
• No coverage regressions found.

Uncovered Changes

No uncovered changes found.

Coverage Regressions

No coverage regressions found.

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Coverage Stats

Relevant Lines:	6087
Covered Lines:	5800
Line Coverage:	95.29%
Relevant Branches:	1099
Covered Branches:	909
Branch Coverage:	82.71%
Branches in Coverage %:	Yes
Coverage Strength:	163.5 hits per line

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💛 - Coveralls