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shard-wiki/research/260614-tiddlywiki-deep-dive/README.md
tegwick fee47514a2 research: TiddlyWiki deep dive (single-file wiki, write-granularity extreme); UC-78
SHARD-WP-0003 T3. Whole-file write-granularity anchor: an entire wiki (content
+ app engine) in one self-contained HTML file -> save rewrites the whole file,
no per-page atomicity. Node .tid file-per-tiddler substrate is git-diffable/
fine-grained, so the same engine spans the granularity spectrum by substrate
(cf. Logseq file/DB UC-62, backend-swap UC-43). Tiddler = flexible-field
record (UC-34); filter expressions = native-query tier (UC-52). UC-78
(single-file container-format attach). Enriched UC-35/40/34/52/43. Marks T3
done. Feeds SHARD-WP-0002 T11/T14.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
2026-06-14 19:46:37 +02:00

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# 260614 — TiddlyWiki deep dive
Deep dive on **TiddlyWiki** (TW5): an entire wiki — tiddlers **plus** the app engine — in
**one self-contained HTML file**, the **whole-file write-granularity** anchor of the
synthesis matrix, with a Node.js **file-per-tiddler** (`.tid`) substrate as the git-diffable
alternative, a tiddler/field record model, and **filter expressions** as the native query
language.
- `findings.md` — the single-file model, tiddler data model, dual substrate, filters,
capability profile, INTENT mapping, UC seed (UC-78), architecture notes for SHARD-WP-0002,
open questions, sources, traceability.
Catalog yield: UC-78 (attach a single-file self-contained wiki as one shard — parse tiddlers
out, project; write = rewrite the whole file, the coarsest write-granularity anchor).
Enriched UC-35/40/34/52/43. Feeds SHARD-WP-0002 T11 (write-granularity extreme) and T14
(single-file vs file-per-tiddler binding).