Create first Playwright smoke suite for portal shell

[alexeygrigorev]

Create first Playwright smoke suite for portal shell

Raw intake created to expand the DataOps merge roadmap beyond the initial ten issues.

Context

Add initial Playwright scenarios for navigation, docs search, task-to-doc links, assistant job review, and dashboard smoke tests.

References

• _docs/MERGE_PLAN.md
• _docs/PROCESS.md
• PORTAL_ANALYSIS.md
• PROJECT_PLAN.md

Next Step

Product Manager should groom this into a scoped implementation issue with dependencies, acceptance criteria, and test scenarios.