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Adds capability.wiki.{shard-orchestration, adapter-contract, page-model,
coordination-journal, overlay, federation-models, engine-typed-extensions}
with honest D/A/C/R maturity vectors, relations, and shard-wiki spec/test
evidence; updates registry/indexes/capabilities.yaml. reuse-surface validate: ok.
Source: shard-wiki SHARD-WP-0013 T1.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
115 lines
3.8 KiB
Markdown
115 lines
3.8 KiB
Markdown
---
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id: capability.wiki.shard-orchestration
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name: Wiki Shard Orchestration
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summary: Present a union of pages across heterogeneous wiki-shaped shards while preserving each shard's provenance, capabilities, and history.
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owner: shard-wiki
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status: draft
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domain: helix_forge
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tags: [wiki, federation, orchestration, union, shard-wiki]
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maturity:
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discovery:
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current: D5
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target: D6
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confidence: high
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rationale: >
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Grounded in 84 documented use cases and a twice-reviewed whole-system
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architecture (CoreArchitectureBlueprint) derived from ~23 prior-art systems.
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availability:
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current: A2
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target: A5
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confidence: medium
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rationale: >
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InformationSpace orchestrator (attach -> resolve -> read, chorus on
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ambiguity) works as a Python source module; network API and incremental
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union are planned.
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external_evidence:
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completeness:
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level: C2
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name: Partial
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confidence: medium
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basis: scope_vs_intent_and_consumer_expectations
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satisfied_expectations:
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- attach folder shards and read a union page with layered provenance
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- chorus presentation of equivalent-but-divergent pages (union without erasure)
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broken_expectations:
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- incremental union maintenance and equivalence index not yet built
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- write-through federation transports not yet built
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out_of_scope_expectations:
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- hosting or replacing the underlying wiki engines
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reliability:
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level: R1
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confidence: low
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basis: consumer_quality_signals
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known_reliability_risks:
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- early implementation; 64 tests but no production exposure
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discovery:
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intent: >
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Let independently stored, differently implemented wikis behave as one
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coherent, versionable, inspectable information space without homogenizing them.
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includes:
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- union resolution across shards (identity-keyed)
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- chorus / designated-canonical presentation of equivalent pages
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- lazy replication projection of remote content with freshness
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excludes:
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- implementing a backend wiki engine (see capability.wiki.engine-typed-extensions)
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- silent remote mutation
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assumptions:
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- canonical truth lives in shards + a git coordination journal; the union is derived
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use_cases:
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- "shard-wiki UseCaseCatalog UC-01..UC-07, UC-26..UC-33 (information space, federation, coordination)"
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availability:
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current_level: A2
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target_level: A5
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current_artifacts:
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- "shard-wiki/src/shard_wiki/union/"
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- "shard-wiki/src/shard_wiki/space.py"
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target_artifacts:
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- orchestrator network API
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consumption_modes:
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- source module
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relations:
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depends_on:
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- capability.wiki.adapter-contract
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- capability.wiki.page-model
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- capability.wiki.coordination-journal
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supports:
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- capability.wiki.federation-models
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evidence:
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documentation:
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- "shard-wiki/spec/CoreArchitectureBlueprint.md"
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- "shard-wiki/spec/FederationArchitecture.md"
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tests:
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- "shard-wiki/tests/test_union.py"
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- "shard-wiki/tests/test_integration.py"
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consumer_guidance:
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recommended_for:
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- composing multiple Markdown/wiki stores into one provenance-preserving view
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not_recommended_for:
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- replacing a single wiki engine
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known_limitations:
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- resolution is recompute-on-read until the incremental tier lands
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---
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# Wiki Shard Orchestration
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shard-wiki's core capability: orchestrate wiki-shaped content across heterogeneous *shards*
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as a union of pages, preserving provenance, capabilities, and history per shard. Canonical
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truth stays at the edges (shards + the git coordination journal); the union is a derived,
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recomputable view (orchestrator, not engine).
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## Assessment notes
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### Discovery
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Grounded by `UseCaseCatalog.md` (84 UCs) and the hardened `CoreArchitectureBlueprint.md`.
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### Availability
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`InformationSpace` provides attach/resolve/read today (source module); a network API is the
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target availability step.
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