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hub/docs/decisions/ADR-004-keypal-integration-strategy.md
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# ADR-004: Keypal integration strategy
- **Status**: Accepted
- **Date**: 2026-04-19
- **Deciders**: alkdev
## Context
keypal (v0.1.11, MIT) provides API key management with hashing, scopes, caching, and a Drizzle storage adapter. Need API key management for hub authentication.
## Decision
Use keypal as a dependency (not fork). Import core utilities (createKeys, hashKey, validateKey, scope checking) directly. Define our own api_keys table following the commonCols pattern with proper columns for high-query fields (owner_id, key_hash, enabled, expires_at, revoked_at). Implement keypal's Storage interface as a thin adapter (HubKeyStorage) over our Drizzle tables.
## Consequences
Custom Storage adapter is more work than using keypal's DrizzleStore directly, but our commonCols pattern and column structure are important for consistency. The adapter is ~100 lines and straightforward. Positive: clean integration that respects our schema conventions. Negative: maintenance burden on adapter if keypal's Storage interface changes.