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Date: Sep 16, 2026
packages/core/test/session-execution.test.ts.packages/core/test/session-execution.test.ts.packages/core/test/session-execution.test.ts.packages/core/test/session-execution.test.ts.packages/core/test/session-prompt.test.ts.Deferred, TestClock.adjust("10 seconds"), TestClock.adjust("40 seconds"), execution.wake(sessionID), execution.interrupt(sessionID), execution.active, and SessionExecutionTable.packages/core/src/database/migration/20260914170650_session-recovery.ts adds session.wake_attempts as integer DEFAULT 0 NOT NULL with session_wake_attempts_check enforcing wake_attempts >= 0 AND wake_attempts <= 9007199254740991; it similarly defines session_recovery.wake_attempts and session_recovery_wake_attempts_check.20260914170650_session-recovery.ts creates index session_recovery_wake_pending_error_attempts_created_execution_idx over session_recovery columns in this exact order: wake_pending, recovery_error, wake_attempts, time_created, execution_id.packages/core/src/database/schema.gen.ts contains the matching session and session_recovery wake_attempts columns, checks bounded by 9007199254740991, and index session_recovery_wake_pending_error_attempts_created_execution_idx.packages/core/src/session/sql.ts defines both wake_attempts columns as integer().notNull().default(0) and uses sql.raw(String(MAX_WAKE_ATTEMPTS)) in session_wake_attempts_check and session_recovery_wake_attempts_check.packages/core/src/session/recovery.ts, recovery and ordinary wake selection distinguish fresh rows with wake_attempts = 0 from retries with wake_attempts > 0 AND wake_attempts <= MAX_WAKE_ATTEMPTS; retry ordering prioritizes wake_attempts = MAX_WAKE_ATTEMPTS via descending boolean order, then ascending wake_attempts.packages/core/src/session/recovery.ts, wake-attempt advancement is compare-and-swap guarded by the previously read counter and uses row.wakeAttempts === MAX_WAKE_ATTEMPTS ? 1 : row.wakeAttempts + 1, rotating a maximum counter back to 1.packages/core/test/session-prompt.test.ts contains 29 prompt/session tests in order: 1. exposes the execution registry; 2. delegates execution continuation through SessionExecution; 3. delegates process-local interruption through SessionExecution; 4. delegates interruption without requiring a recorded Session; 5. durably admits one user message before transcript promotion; 6. resolves attachment MIME before admission; 7. streams durable Session events after an aggregate sequence; 8. resumes through a recorded message without appending another prompt; 9. records distinct messages when the ID is omitted; 10. returns the original recorded message when the ID is retried; 11. wakes execution when an exact prompt retry recovers a committed message; 12. never wakes execution when retrying an already promoted prompt; 13. durably records execution intent before advisory wake; 14. replays historical prompt admission without execution intent as admit-only; 15. turns an admit-only exact retry into durable execution intent; 16. rejects reuse of one ID with a different prompt; 17. never arms durable wake for a conflicting execution retry; 18. rejects reuse of one ID with a different delivery mode; 19. returns one recorded message to concurrent exact retries; 20. promotes one message once under concurrent promotion attempts; 21. promotes steers only through the captured inbox cutoff; 22. reprojects pending inbox input without scheduling execution; 23. returns an exact retry of a legacy projected prompt; 24. returns an exact retry of a legacy projected queued prompt; 25. rejects reuse of one globally unique message ID across sessions; 26. rejects a prompt ID already used by visible Session history; 27. starts execution by default after recording the prompt; 28. starts execution when resume is explicitly true; 29. only records the prompt when resume is false.packages/core/test/session-projector.test.ts contains 39 listed recovery/projector tests in order: 1. atomically reconciles one abandoned execution into one continuation; 2. records a recovery continuation without forging an assistant identity; 3. recovers each abandoned execution once across repeated startup scans; 4. never recovers a live execution lease; 5. never recovers an execution superseded by a newer assistant; 6. redrives a durable recovery wake after admission; 7. quarantines a malformed recovery row without blocking a valid wake; 8. quarantines a full batch of poison recovery rows before redriving valid work; 9. fairly redrives recovery and ordinary work beyond a full bounded batch; 10. rejects invalid persisted wake attempt counters; 11. bounds ordinary redrive writes to one scheduler row per Session; 12. never wakes work settled between selection and redrive CAS; 13. quarantines a continuation that belongs to another Session; 14. redrives durable ordinary input execution intent after a lost advisory wake; 15. redrives ordinary input without recovering a claim that crashed before promotion; 16. redrives one existing recovery after its replacement claim crashes before promotion; 17. never recovers a pre-promotion claim when input commits at the recovery boundary; 18. rejects a recovered assistant from another Session; 19. quarantines a recovery wake behind a newer assistant; 20. never promotes a recovery superseded before scanner validation; 21. quarantines an assistant-less recovery superseded before scanner validation; 22. never promotes a quarantined recovery continuation as an ordinary steer; 23. quarantines a malformed claim without blocking a valid claim; 24. quarantines failed execution conversion before scanning later claims; 25. rotates maximum wake attempt counters before issuing wakes; 26. bounds each deterministic recovery scan; 27. rolls back promotion and Context Epoch mutation after ownership loss; 28. never advances the Context Epoch after ownership changes; 29. rolls back claim renewal when Context Epoch advance fails; 30. fences a paused owner after expiry, reconciliation, and takeover; 31. projects moved sessions without the transitional context epoch table; 32. projects staged, cleared, and committed reverts; 33. orders projected messages and context by durable aggregate sequence; 34. marks an inbox row promoted with the Prompted event sequence; 35. projects durable context messages supported by the updater; 36. rejects distinct creator events that reuse one projected message ID; 37. does not revive a stale incomplete in-memory assistant projection; 38. updates only the newest incomplete assistant projection; 39. does not revive a stale incomplete assistant projection.packages/core/test/session-run-coordinator.test.ts lists coordinator coverage for: joining concurrent resumes for one key; joining wake-started execution without forcing a successor; starting execution when woken while idle; snapshotting only active executions; cleanup after failure, defect, or scope closure; coalescing wakes during active execution; running again when woken during follow-up; interruption while idle or active; wakes/resumes registered during interruption cleanup; cleanup defects; wake/failure races; interrupted joined waiters; concurrent different keys; and trampolining synchronous self-waking execution.