Merge branch 'main' into dev

Resolve 38 conflicts preserving both sides' work:
- Server: DB-based registries (dev) + WorkspaceGitService/DaemonConfigStore (main)
- App: script proxy/voice MCP (dev) + pin/hide tabs/bootstrap boundary (main)
- Shared: WorkspaceScriptPayload (dev) + git/GitHub runtime schemas (main)
- Deleted workspace-registry-bootstrap.ts (dev's DB approach supersedes)

packages/app/src/contexts/session-context.service-status.test.ts

@@ -17,7 +17,6 @@ function workspace(input: {
     workspaceKind: "checkout",
     name: "main",
     status: "running",
-    activityAt: null,
     diffStat: null,
     scripts: input.scripts ?? [],
   };