Deploy f215920 archive navigation cache

Polish research reports and release archive 1.2.0

Avoid restart-bound MCP HTTP sessions

Show reports as soon as artifacts are ready

Deploy Hub Classic research agent UI

Add durable cross-sandbox artifact handoffs

Sync restored app with upstream security review

Isolate restored research runtime and version app renderer

Restore Research Dispatch and activity narrator

Include report artifacts in chat context

Version renderer and continue research in chat

Fix Birch HTML finalization and artifact links

Deploy research dispatch app 4de1ab9