glm-5.1
2b63cda1c7
Copy architecture docs, ADRs, storage domain specs, research, reviews, and 56 storage architecture tasks from the alkhub_ts monorepo. Adapt for standalone @alkdev/hub repo structure (src/ not packages/hub/). Sanitize all sensitive information: - Replace private IPs (10.0.0.1) with localhost defaults - Remove internal server hostnames (dev1, ns528096) - Replace /workspace/ private paths with npm package references - Remove hardcoded credentials from examples - Rewrite infrastructure.md without private network details Add Deno project scaffolding: deno.json (pinned deps), .gitignore, AGENTS.md, entry point. Migrate existing code stubs (crypto, config types, logger) with updated import paths.
38 lines
1.4 KiB
Markdown
38 lines
1.4 KiB
Markdown
---
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id: document-mappings-valid-shapes
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name: Document Valid Column Combinations for Mappings Table
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status: completed
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depends_on: []
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scope: narrow
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risk: medium
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impact: component
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level: implementation
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---
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## Description
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W20: The `mappings` table stores three conceptually different relationships in one table: session→spoke, session→parent session, session→task. All nullable FKs allow any combination, including invalid ones. The table name `mappings` doesn't convey what's mapped.
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Document the valid column combinations (polymorphic association shapes): `sessionId` always NOT NULL; `taskId` only for task-scoped mappings; `parentSessionId` only for coordinator children. This makes it a polymorphic association table with documented shapes.
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## Acceptance Criteria
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- [ ] `coordination.md` documents valid column combinations (mapping shapes)
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- [ ] Shape 1: Session→Spoke (`sessionId` + `spokeId`, no `taskId`/`parentSessionId`)
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- [ ] Shape 2: Session→Parent (`sessionId` + `parentSessionId`, no `taskId`)
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- [ ] Shape 3: Session→Task (`sessionId` + `taskId`, no `parentSessionId`)
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- [ ] Invalid combinations documented (e.g., `taskId` + `parentSessionId` on same row)
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- [ ] `sessionId` noted as always NOT NULL for any mapping
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## References
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- docs/reviews/storage-architecture-review-2026-04-21.md#W20
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- docs/architecture/storage/coordination.md:10-27
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## Notes
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> To be filled by implementation agent
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## Summary
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> To be filled on completion |