# SCOPE

## One-Liner

Git-based Markdown wiki orchestrator and federation layer — early-stage scaffold
with intent, research, and specification groundwork; domain model not yet
implemented.

## Mode Of Operation

Close the gap between this file and `INTENT.md` by exploring the problem space
(`research/`), reviewing inbound demand (`demand/`), refining specifications
(`spec/`), and implementing through registered workplans (`workplans/`).
Learnings update both SCOPE and INTENT where necessary.

## Current Status

| Layer | State |
|-------|-------|
| Code | Foundation slice implemented (SHARD-WP-0007): `provenance` + `policy` leaves, `model` (Identity/Placement/Span/Page/CapabilityProfile), `adapters` (contract + FolderAdapter + conformance suite), `coordination` (event-sourced DecisionLog), `union` (resolution + chorus, overlay-aware), `InformationSpace` orchestrator. Write path added (SHARD-WP-0008): writable adapter, overlay engine (draft→patch→apply-under-drift), edit() unifies write-through + overlay-before-mutation. Native engine implemented (SHARD-WP-0014): `engine` (kernel + typed-extension runtime + per-shard activation [ADR-0001] + capability-profile-from-extensions + EngineShardAdapter + the `ext.struct` built-in) — an engine shard attaches to an InformationSpace as a canonical-mode shard. Git-backed coordination log (SHARD-WP-0009): `DecisionLog` storage factored behind an `EventStore`; `GitEventStore` makes the log git-addressable (each space a ref, append = immutable CAS-guarded commit), a per-space `AppendAuthority` (lease) gives a single-writer total order with re-grantable HA hand-off, cross-process read-your-writes verified, and a verbatim one-time importer (`migrate_space`/JSONL) replays in-memory logs into git; `InformationSpace.git_backed(...)` wires it. Derived views (SHARD-WP-0010): `views` (wikilink + red-link model, BackLinks, RecentChanges, AllPages/SiteMap) — recomputable, provenance-carrying, presentation-free, exposed via `InformationSpace.backlinks/recent_changes/all_pages/site_map`. Incremental-first derived tier (SHARD-WP-0011): `incremental` (indexed equivalence via MinHash/LSH blocking + verify, change-driven delta maintenance with retraction/propagation, Merkle-style digest + self-healing I-2 consistency-checker, `UnionIndex` routed behind `InformationSpace.all_pages` with rebuild as explicit fallback). Second adapter (SHARD-WP-0012): `GitShardAdapter` — git-IS-store substrate (read=tracked *.md, write=commit, current_rev=per-path sha for drift, adopted git-native history), passes conformance, works across folder+git shards in union/overlay/edit with no core change (capability-as-data proven on a second substrate). 196 tests green, ~97% coverage |
| Intent | `INTENT.md` established; authorization-in-core amendments drafted |
| Research | yawex prior art; c2 origins; federation concepts; wikiengines overview (`research/260608-*/`); XWiki/TWiki/Foswiki deep dives (`research/260613-*/`); Xanadu + ZigZag + Roam + Obsidian + Notion + Joplin + Logseq + local-first workspaces (Anytype/AFFiNE/AppFlowy) + Trilium + Wiki.js + Federated Wiki + Wikibase + git-forge wikis + TiddlyWiki + ikiwiki + Quip + MojoMojo + Oddmuse + UseModWiki deep dives & shard-spectrum synthesis (`research/260614-*/`) |
| Demand | NetKingdom integration asks captured, not yet negotiated |
| Spec | CoreArchitectureBlueprint (whole-system, hardened via SHARD-WP-0005/0006) + FederationArchitecture + FederationRequirements + TSD §A adapter contract + ArchitectureBlueprint (auth/history) + WikiEngineCoreArchitecture (headless API-first engine, SHARD-WP-0013) drafted; UseCaseCatalog 84 UCs (+ engine capability-structure layer); PRD scaffold |
| Work | `SHARD-WP-0001` **done** (6 ADRs: yawex-derived federation requirements → `spec/FederationRequirements.md`); `SHARD-WP-0002` **done** (18 tasks → `FederationArchitecture.md` [T1–T10, T17] + `TechnicalSpecificationDocument.md` §A adapter contract [T11–T16, T18]); `SHARD-WP-0003` **done** (9 engine dives complete); `SHARD-WP-0004` **done** (all 8 computational-knowledge dives T1–T8 complete + "computational page model" synthesis); `SHARD-WP-0005` **done** (9 tasks: CoreArchitectureBlueprint hardened against the 260615 review); `SHARD-WP-0006` **done** (5 tasks: round-2 hardening — overview reconciled, event-sourced coordination + append authority, adapter conformance, incremental correctness + I-2 verification) |

## In Scope (today)

- Establishing repository documentation structure and specification groundwork.
- Federation design informed by yawex prior art (page resolution, namespaces,
  derived views, provenance, overlays).
- Authorization model design (delegated authentication, core authorization).
- Shard adapter contract and wiki page model (to be specified, then implemented).
- Git-backed coordination journal for information spaces.
- A **native, headless, API-first wiki-engine core** (small typed-extension core, as a
  canonical-mode shard backend) — design via SHARD-WP-0013; optimized for data-source
  integration and agent access.
- State Hub workplan registration and consistency sync.

## Out Of Scope (today)

- A wiki-engine **UI or rendering pipeline** (the engine is headless/API-first; presentation
  is a consumer concern). A bundled standalone UI is not provided.
- Authentication, credential storage, or user directory implementation.
- Hard-coded editorial, sync, or conflict-resolution policy.
- Generic file mirroring independent of wiki-page semantics.
- Production deployment, multi-tenant operations, or enterprise IAM rollout.

## Boundary Rule

`shard-wiki` orchestrates wiki-shaped content across heterogeneous shards. It
provides mechanisms (federation, projection, overlay, patching, reconciliation);
policy (canonical source, conflict preference, access rules) remains explicit and
configurable. Identity comes from pluggable providers; authorization decisions
live in core.

## Current Planning

Design work is tracked in `workplans/SHARD-WP-0001-yawex-requirements.md`
(yawex-derived resolution, namespaces, overlays) and
`workplans/SHARD-WP-0002-federation-architecture.md` (federation architecture,
decisions, tradeoffs). Research continues under
`workplans/SHARD-WP-0003-engine-dives-batch.md` (remaining new-insight wiki
engines + git-forge wikis + classic engines) and
`workplans/SHARD-WP-0004-computational-knowledge-systems.md` (literate
programming, computational notebooks, live-coding REPLs, image-based/moldable
environments — the executable/computational page-model thread). Specification
outputs land in `spec/`. Inbound integration asks remain in `demand/` until
reviewed and promoted into spec or workplans.