research: Obsidian deep dive (file-over-app vaults, plugin API, ecosystem-popularity signal); UC-53/54/55/56

The most INTENT-aligned tool yet and the file-backed counterpart to Roam:
file-over-app vaults (plain .md folders, files canonical, MetadataCache a
derived index), in-file git-diffable addressing/structure (^block-id,
wikilink embeds, YAML frontmatter), and a plugin API (Plugin onload/onunload
over App.vault/metadataCache/workspace) that doubles as an adapter host —
so a vault is dual-attachable (file-store direct or in-app plugin). Mined
the plugin download rankings as demand evidence per the research brief:
#1 is drawings (Excalidraw, non-Markdown content), query-as-DB
(Dataview/Tasks) is top-tier but an add-on, Git is top-7 (bolt-on history),
Remotely Save shows sync-to-anywhere demand. Added UC-53 (attach local
vault w/ live concurrent native editor), UC-54 (query-defined dynamic
page), UC-55 (non-Markdown content types), UC-56 (outbound publish of a
projection); enriched UC-15/28/34/36/40/51/52. Boundary: a vault is one
file-backed candidate shard, not the federation layer and not a file-sync
target.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
This commit is contained in:
2026-06-14 12:51:22 +02:00
parent dfff9ab42e
commit f0be5799aa
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@@ -19,9 +19,9 @@ Learnings update both SCOPE and INTENT where necessary.
|-------|-------|
| 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 deep dives (`research/260614-*/`) |
| Research | yawex prior art; c2 origins; federation concepts; wikiengines overview (`research/260608-*/`); XWiki/TWiki/Foswiki deep dives (`research/260613-*/`); Xanadu + ZigZag + Roam + Obsidian deep dives (`research/260614-*/`) |
| Demand | NetKingdom integration asks captured, not yet negotiated |
| Spec | Architecture blueprint drafted; UseCaseCatalog 52 UCs from research; PRD/TSD scaffolds |
| Spec | Architecture blueprint drafted; UseCaseCatalog 56 UCs from research; PRD/TSD scaffolds |
| Work | `SHARD-WP-0001` active (6 tasks); `SHARD-WP-0002` active (10 tasks) |
## In Scope (today)