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alla-allaos-fullstack/docs/adr/0009-approved-document-storage-lifecycle.md
2026-06-16 14:25:26 +07:00

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Status:
accepted
Context:
Task H introduced server-side PDF generation for quotation preview, download, and approved-document persistence.
Task H.1 validated the full path with a real quotation fixture and confirmed that approved artifacts currently persist to local disk under `public/generated/...`.
Decision:
- Keep approved quotation PDFs on local filesystem storage for development and MVP use.
- Persist the generated file path on the quotation row via `approved_pdf_url`.
- Persist `approved_snapshot` and `approved_template_version_id` alongside the stored file path so the approved artifact can be traced back to the data and template used at generation time.
- Treat this storage model as acceptable only for local/dev and early MVP deployment, not as the final production storage architecture.
Consequences:
- Preview/download/generate-approved flows can ship now without blocking on object storage integration.
- Approved PDF persistence works with the current dashboard and static file serving model.
- Local public storage is simple, but it does not provide immutability guarantees, signed access control, retention policy, or durable storage semantics expected for long-lived production artifacts.
Future:
- introduce an object-storage abstraction shared by generated documents and manual attachments
- support signed URLs or another private delivery strategy where required
- define immutable approved artifact rules and whether regeneration is allowed
- add retention/cleanup policy for superseded or regenerated artifacts
- move approved-PDF generation to an async job when post-approval auto-generation is introduced