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/screens/workspace/workspace-source-of-truth.test.ts

@@ -18,7 +18,6 @@ describe("workspace source of truth consumption", () => {
       workspaceKind: "checkout",
       name: "feat/workspace-sot",
       status: "running",
-      activityAt: new Date("2026-03-01T00:00:00.000Z"),
       diffStat: null,
       scripts: [],
     };