fix(app): prevent stale Den org refreshes

[benjaminshafii]

Summary

• Allow cloud extension refreshes for a newly selected org to start even when the previous org's refresh is still in flight.
• Guard cloud skill, skill hub, and marketplace responses so stale previous-org results cannot overwrite the selected org's UI.

Evidence

Build verification

• pnpm install -- passed in the fresh worktree.
• pnpm --filter @openwork/app build -- passed.

API verification

• No API contract changes.

UI verification

• Not run via Chrome MCP in this turn. The fix targets the Settings cloud refresh race where org switching could continue showing the initial org's cloud data.

Test instructions

1. Sign in to OpenWork Cloud with at least two orgs.
2. Open Settings -> Cloud.
3. Switch rapidly between orgs while cloud sections are loading.
4. Verify Skills, Skill Hubs, and Marketplaces & Plugins show data for the selected org, not the initial org.

[vercel]

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Project	Deployment	Actions	Updated (UTC)
openwork-app	Building	Preview, Comment	May 9, 2026 3:23am
openwork-den	Building	Preview, Comment	May 9, 2026 3:23am
openwork-den-worker-proxy	Building	Preview, Comment	May 9, 2026 3:23am
openwork-landing	Building	Preview, Comment, Open in v0	May 9, 2026 3:23am
openwork-share	Building	Preview, Comment	May 9, 2026 3:23am