Independent client/engine versioning with compatibility check

Split release.sh into release-client.sh and release-engine.sh for
independent release cadences. Client checks engine version on first
API call and hard-fails if engine is below MinEngineVersion.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
This commit is contained in:
2026-03-28 15:59:16 +00:00
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## MODIFIED Requirements
### Requirement: Engine status and reindex
The engine SHALL provide status information and support re-embedding all chunks. The `version` field in the status response SHALL always be present and SHALL reflect the engine's release version as read from the `VERSION` file. This field is the contract used by clients for compatibility checking.
#### Scenario: Get engine status
- **WHEN** a client sends `GET /api/v1/status`
- **THEN** the engine SHALL return JSON with `version` (string, from VERSION file), model_name, embedding_dim, GPU device info, database stats (document count by type, total chunks, DB size), and queue stats (queued/processing job count)
#### Scenario: Trigger reindex
- **WHEN** a client sends `POST /api/v1/reindex`
- **THEN** the engine SHALL re-embed all existing chunks using the currently loaded model and return progress information. This operation SHALL NOT block search queries.