Add Browsie consumer browser agent project

[shubh24]

Summary

• add Browsie under projects/browsie as a complete consumer browser-agent reference project
• document the Stagehand, Browserbase, Eve, Context, vault, Live View, CAPTCHA, cancellation, Linq, and workbench architecture
• add standalone setup, environment, testing, deployment, security, contribution, coding-agent, and skill guidance
• add a projects cookbook collection and generated catalog/topic entries
• exclude local secrets, runtime state, build output, internal planning files, and the source commercial font asset

Validation

• pnpm test: 84 passed, 7 credential-dependent live tests skipped
• pnpm typecheck: passed
• pnpm lint: passed with 6 warnings and no errors
• pnpm build: passed
• pnpm test:linq-local: passed
• python3 scripts/verify.py: passed; 1,304 files scanned
• git diff --check: passed

Production boundary

This is a production-oriented, self-hosted reference application. The README states the work that is still required for a multi-user or multi-instance service, including durable metadata storage, KMS, tenant isolation, access control, single-use handoff links, rate limits, and audit retention. No live service test or billable external call was made for this PR.

[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/​next@​16.3.8
	npm/​eslint-config-next@​16.3.8
	npm/​@​ai-sdk/​openai@​4.0.46
	npm/​microsandbox@​0.5.10
	npm/​eve@​0.47.6
	npm/​lucide-react@​1.49.0
	npm/​@​types/​node@​24.19.0
	npm/​react@​19.3.0
	npm/​@​1password/​sdk@​0.5.0
	npm/​react-dom@​19.3.0
	npm/​@​browserbasehq/​sdk@​2.18.0
	npm/​ai@​7.0.82

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[socket-security]

All alerts resolved. Learn more about Socket for GitHub.

This PR previously contained dependency changes with security issues that have been resolved, removed, or ignored.

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