<!-- Extension API v0 — pre-1.0. Interfaces may change without notice until P2 seals the custom-code format. First-party extensions track HEAD. -->

# Limits

The table the runtime enforces IS the table below (`LIMITS` in packages/core/src/extensions/limits.ts) — design within them.

| limit | value |
|---|---|
| `hookSnapshotMaxBytes` | 131072 |
| `hookOpsMaxBytes` | 20480 |
| `hookBreakerThreshold` | 5 |
| `metafieldDefinitionsMax` | 200 |
| `metafieldValueMaxBytes` | 65536 |
| `manifestSecretsMax` | 8 |
| `manifestScopesMax` | 10 |
| `manifestWebhooksMax` | 4 |
| `manifestJobsMax` | 3 |
| `manifestMailTemplatesMax` | 5 |
| `manifestPanelsMax` | 4 |
| `manifestActionsMax` | 3 |
| `manifestPagesMax` | 3 |
| `extensionConfigMaxBytes` | 32768 |
| `webhookBodyMaxBytes` | 65536 |
| `jobTimeoutMaxMs` | 30000 |
| `islandBudgetGzBytes` | 30720 |
| `proposalMaxItems` | 500 |
| `proposalOpenIdleDays` | 7 |
| `proposalSubmittedDays` | 14 |
| `workspacesPerStore` | 5 |
| `workspaceIdleArchiveDays` | 7 |
| `tokenDefaultExpiryDays` | 90 |
| `tokenRateLimitPerMinDefault` | 120 |