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shard-wiki/SCOPE.md
tegwick 5697669063 research: Trilium (TriliumNext) deep dive (note cloning/DAG hierarchy, attribute inheritance, HTML-native); UC-66/67
SQLite-local PKB whose standout is note cloning — a single note can sit in
multiple tree locations at once via the note (identity) vs branch
(placement) split, so the hierarchy is a DAG, not a tree, with no single
canonical path. The identity-not-equal-placement model is the clean way to
represent a page in multiple locations/shards and the namespace-level form
of the clone/reference primitive. Also: attributes (labels + typed
relations) are inherited + templated, so metadata is computed (own +
inherited + template), not a flat bag; content opacity is per-item
(per-note encryption / protected notes), refining the proposed 12th
spectrum; HTML-native (CKEditor, lossy to Markdown); dual extension
surface (scripting code notes + ETAPI token REST). TriliumNext is the
active community fork of zadam's Trilium (TWiki->Foswiki pattern). Added
UC-66 (DAG hierarchy / note cloning), UC-67 (inherited/templated
attributes, effective vs own); enriched UC-15/22/34/38/42/61. Catalog now
67 UCs. Architecture for SHARD-WP-0002 T11/T12/T14/T15/T16: DAG namespace
+ identity/placement split, computed/inherited metadata, per-item content
opacity, HTML source model, scripting + ETAPI host surfaces.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
2026-06-14 16:44:49 +02:00

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# 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 | Python package scaffold (`src/shard_wiki/`, smoke tests only) |
| 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 deep dives & shard-spectrum synthesis (`research/260614-*/`) |
| Demand | NetKingdom integration asks captured, not yet negotiated |
| Spec | Architecture blueprint drafted; UseCaseCatalog 67 UCs from research; PRD/TSD scaffolds |
| Work | `SHARD-WP-0001` active (6 tasks); `SHARD-WP-0002` active (16 tasks: T1T10 federation + T11T16 adapter contract) |
## 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.
- State Hub workplan registration and consistency sync.
## Out Of Scope (today)
- A standalone wiki engine UI or rendering pipeline.
- 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). Specification outputs land in `spec/`. Inbound
integration asks remain in `demand/` until reviewed and promoted into spec or
workplans.