release: ship T4 Code 0.1.30

[wolfiesch]

Summary

• release T4 Code 0.1.30 across desktop, web, mobile, protocol, documentation, and fixtures
• pin the published t4code-17.0.5-appserver-8 backend from commit 09835b92
• record the verified Apple Silicon backend size and SHA-256 digest
• document recovery from a crashed backend whose stale process ID still appears alive

Verification

• pnpm check
• pnpm test (1,674 passed)
• pnpm test:tooling (299 passed, 2 skipped)
• pnpm build:web
• pnpm build:desktop
• pnpm test:packaging (49 passed)
• published backend: omp/17.0.5, 120,777,424 bytes, SHA-256 3ecb5f40be627f7f0f15035822017f8e2c8afaa4a46978f0874a6be8acb3f2fa

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