When redeploying a customer without undeploying first, the management
server would crash with FATAL because a new DataStoreEncryptionKey was
generated but the old database (encrypted with the old key) still
existed. Now:
- Reads existing key from management.json if present
- Reuses existing UDP port from deployment record
- Stops old containers before starting new ones
- Updates existing deployment record instead of creating duplicate
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
twothatit
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