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shard-wiki/research/README.md
tegwick f0be5799aa 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>
2026-06-14 12:51:22 +02:00

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# research/
Exploration results for the problem and solution space.
Each exploration uses a `yymmdd-` prefix on the markdown file or subdirectory
when multiple files or sources are involved. Findings here inform `spec/` and
`SCOPE.md`; they do not directly authorize implementation until promoted.
## Active Explorations
| Date | Path | Summary |
|------|------|---------|
| 2026-06-08 | `260608-yawex-prior-art/` | yawex 0.7.4 Perl wiki prior art; federation design seeds |
| 2026-06-08 | `260608-c2-wiki-origins/` | Ward Cunningham & WikiWikiWeb origins; terms and use cases |
| 2026-06-08 | `260608-federation-concepts/` | Federated Wiki, git/ActivityPub/Xanadu federation models |
| 2026-06-08 | `260608-wikiengines-overview/` | Wiki engine landscape survey (Perplexity-assisted) |
| 2026-06-13 | `260613-xwiki-deep-dive/` | XWiki impl, extension interfaces, ecosystem; UC-38/39 |
| 2026-06-13 | `260613-twiki-deep-dive/` | TWiki impl, plugin API, ecosystem; UC-40/41 |
| 2026-06-13 | `260613-foswiki-deep-dive/` | Foswiki store abstraction, extension API; UC-42/43 |
| 2026-06-14 | `260614-xanadu-deep-dive/` | Project Xanadu — EDL/reference-not-copy, transclusion, addressing; UC-44/45/46 |
| 2026-06-14 | `260614-zigzag-deep-dive/` | ZigZag/zzstructure — information space as orthogonal dimensions; UC-47/48/49 |
| 2026-06-14 | `260614-roam-deep-dive/` | Roam Research — block-graph DataScript DB, transclusion, datalog, Roam Depot extension API; UC-50/51/52 |
| 2026-06-14 | `260614-obsidian-deep-dive/` | Obsidian — file-over-app vaults, plugin API, ecosystem-popularity → UC signal; UC-53/54/55/56 |