26 lines
1.1 KiB
Markdown
26 lines
1.1 KiB
Markdown
# Decision Index
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## Active Decisions
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| ID | Decision | Status | Date | Applies To | Detail |
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| RDS-001 | Production persistence uses explicit direct PostgreSQL through one server-only adapter; local JSON is explicit development/test mode. | Accepted | 2026-08-12 | Server stores and scripts | `ZHINIAN_DATA_BACKEND=postgres` fails closed and never silently falls back. |
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| RDS-002 | Database changes use versioned, checksummed, advisory-locked migrations executed by a one-shot deployment Job. | Accepted | 2026-08-12 | Database schema and ACK rollout | Migrations do not run in each Web pod init container. |
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| ACK-001 | Worker remains an HTTP poller and does not receive RDS credentials; Web owns database access. | Accepted | 2026-08-12 | ACK workloads | Worker calls the internal Web Service with a shared internal token. |
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## Superseded Decisions
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| ID | Decision | Superseded By | Date |
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## Decision Criteria
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Create or update an ADR when a choice affects:
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- project positioning
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- architecture boundaries
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- public behavior
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- data model
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- long-term maintenance
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- user-facing workflow
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