fix(runtime): keep readiness diagnostic

[luokerenx4]

What changed

• Stop Chat and Workspace Manager from synchronously probing runtime readiness before an ordinary launch.
• Preserve the hard structural gate only for runtimes that truly require a Workspace credential.
• Add route, API, hook, and UI regressions for native login, empty or unreadable OpenAlice vault state, failed readiness snapshots, and retryable Session resume errors.
• Document readiness as a diagnostic/background health signal rather than a launch gate.

Root cause

The credential requirement was corrected in PR #983, but the shared launch surfaces still called the active runtime probe before every first send. A stale, timed-out, or provider-failed readiness result could therefore block an otherwise valid native launch.

Validation

• npx tsc --noEmit
• cd ui && npx tsc -b
• targeted readiness, route, API, Chat, Manager, and resume tests: 89 passed
• pnpm test: 3,927 passed; 9 skipped
• real pnpm dev browser check with Pi cached as failed/429: Send remained available and no probe or test Session was created
• dev frontend and backend restarted and healthy

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Project	Deployment	Actions	Updated (UTC)
openalice-demo	Ready	Preview	Aug 4, 2026 5:34pm