V42 Gate 3: Reading Shortest Path State Machine

[garrettmaring]

Summary

• implements the V42 Reading shortest path state machine with transaction-id recovery, readingStage route hydration, retry/restart posture, source-safe failure repair, accepted-Need blockers, and source-safe preview blockers
• adds the source-safe V42 Reading state-machine artifact, generator, checker, protocol export, protocol tests, and workflow wiring
• updates V42 spec/delta/notes/parity/roadmap docs and records V43+ UX route cleanup scope for /read, /deposit, and /packs

Validation

• pnpm run check:v42-gate3
• pnpm run check:v42-gate2
• pnpm run check:v42-gate1
• node scripts/check-bitcode-spec-family.mjs --version V42 --mode draft --current-target V41
• node scripts/check-bitcode-canonical-inputs.mjs --current-target V41
• node scripts/check-bitcode-canon-posture-drift.mjs --active-canon V41 --draft-target V42
• pnpm --dir uapi exec jest --runTestsByPath tests/terminalEnterpriseReadingUxState.test.ts tests/terminalDepositReadWorkbench.test.ts tests/conversationTerminalHandoff.test.tsx tests/terminalTransactionQuery.test.ts tests/terminalPipelineHarnessClient.test.ts tests/pipelineExecutionLogHeader.test.tsx --runInBand
• pnpm -C uapi exec tsc --noEmit --pretty false
• pnpm -C uapi lint
• pnpm -C uapi build
• pnpm --filter @bitcode/protocol test
• git diff --check

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Project	Deployment	Actions	Updated (UTC)
engi-uapi	Ready	Preview, Comment	May 28, 2026 8:44pm

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