glm-5.2
1baa619ce9
The monolithic open-questions.md (1310 lines, 47 OQs) was large enough to be unmanageable, with high size variance (OQ-42 at 220 lines next to OQ-06 at 8). Decomposed into one file per OQ under docs/architecture/questions/ (NNN-slug.md, mirroring the ADR convention), with open-questions.md retained as the index: theme-grouped tables plus a cross-theme Deferred/Blocked section that surfaces the 6 deferred OQs with their Blocked-on conditions inline (the safe-exit visibility surface). Per-OQ content moved verbatim; all 62 inbound links stay valid (none used anchors). README's curated OQ summary dropped (now redundant with the index tables). Also seeds tasks/architecture/ with this task plus two follow-ups found during the decompose: OQ-09/10 missing structured Blocked-on fields, and the tasks/architecture/ blocker-task half of the Safe Exit protocol being unenforced.
37 lines
2.0 KiB
Markdown
37 lines
2.0 KiB
Markdown
# OQ-34: Persistent Peer Registry (Cross-Node State Storage)
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- **Origin**: OQ-33 (the storage dimension it surfaced), the no-DB posture of ADR-008/018/025
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- **Status**: **resolved** (2026-06-27 by ADR-030 + ADR-031 + ADR-033)
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- **Door type**: One-way (storage boundary), two-way (backend choice)
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- **Priority**: ~~medium (not a v1 blocker)~~ → resolved
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- **Resolution**: The storage boundary is: **core defines repo traits +
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in-memory default adapters; persistence adapters are separate crates;
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the assembly layer wires the adapter.** This is the repo/adapter
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pattern (ADR-033), already established by `IdentityProvider` (ADR-004)
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and now extended to `CredentialStore` (ADR-031).
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- `IdentityProvider` (ADR-004) — the auth repo trait, in core.
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`ConfigIdentityProvider` is the in-memory default, backed by
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`AuthPolicy.peers` (ADR-030). A future `alknet-peer-store-sqlite`
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adapter that persists `PeerEntry` records in a `peers` table is
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additive — it implements the same trait.
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- `CredentialStore` (ADR-031) — the credential repo trait, in core.
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`InMemoryCredentialStore` is the in-memory default. A future
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persistence adapter is additive.
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The no-DB posture of the core crates is preserved in the sense that
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matters: core has **no backend dependency** (no SQLite, no honker). The
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in-memory default adapters carry no persistence. The persistence
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adapters are additive crates, built when a concrete use case forces
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them, wired by the assembly layer.
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The concrete adapter shapes (table schemas, backend choice, indexing,
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caching) were the two-way-door remainder, tracked as OQ-36 — **now
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resolved by [ADR-035](decisions/035-concrete-persistence-adapter-shapes.md)**
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(read/write split, honker+SQLite, `alknet-store-sqlite` crate). The
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trait shapes are the one-way door, committed by ADR-030, ADR-031, and
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ADR-033; ADR-035 builds on them.
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- **Cross-references**: ADR-008, ADR-018, ADR-021, ADR-025, ADR-029,
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ADR-030, ADR-031, ADR-033, ADR-035, OQ-33, OQ-36,
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[auth.md](crates/core/auth.md), [config.md](crates/core/config.md)
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