[Bigtura]

Overview

This PR persists webhook execution attempt identity, a processing lease, and a stable operation key so that timed-out callbacks can be traced, claimed, and safely retried without repeating financial side effects. It adds the required fields through the existing versioned migration path, exposes them on the typed callback context, and wires them through the default webhook processor.

Related Issue

Changes

🔁 Webhook Attempt Identity & Operation Keys

• [MODIFY] src/runtime/interfaces.ts

  • Extends the typed callback context with attempt identity, processing lease, and stable operation key fields.
  • Adds the corresponding typed shapes used by the processor and adapter.

• [MODIFY] src/runtime/database/sql-database-adapter.ts

  • Adds the versioned migration for the new attempt/lease/operation-key columns.
  • Persists and reads back the new fields so attempts can be claimed and traced.

• [MODIFY] src/runtime/webhooks/default-webhook-processor.ts

  • Generates and reuses a stable operation key across retries.
  • Claims an attempt with a processing lease before executing side effects, so an old callback cannot be confused with a new execution owner.
  • Records attempt identity on the callback context for tracing.

• [MODIFY] tests/runtime/webhooks/default-webhook-processor.test.ts

  • Focused assertions covering attempt tracing, lease claiming, and operation-key reuse across retries.

Verification Results

npm test -- tests/runtime/webhooks/default-webhook-processor.test.ts
✅ focused webhook processor assertions passed

Acceptance Criteria	Status
Each attempt can be traced and claimed	✅ Attempt identity + processing lease persisted and asserted in focused test
Retries reuse the operation key and cannot confuse an old callback with a new execution owner	✅ Stable operation key reused across retries; lease claim guards ownership
PR includes a reproducible focused check with command and expected result	✅ Command and expected result documented above

Closes #698

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[0xNgoo]

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