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research: Squeak & Pharo deep dive (image-based Smalltalk); SHARD-WP-0004 T6+T8

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Combined memo (justified merge). The image = purest 'live' end; hardens
the image-is-not-a-store boundary (export->files only), generalizing
'attach files not the kernel/image'. Pharo Tonel/Iceberg confirms even
image traditions externalize to git text. Names the live<->snapshot
projection axis (T16). Boundary/enrichment-only, no new UC. Marks T6+T8 done.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
This commit is contained in:
Bernd Worsch
2026-06-14 23:54:48 +02:00
parent 4acadacfee
commit 56b6cdd110
6 changed files with 207 additions and 4 deletions
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@@ -40,4 +40,5 @@ when multiple files or sources are involved. Findings here inform `spec/` and
| 2026-06-14 | `260614-literate-programming-deep-dive/` | Literate programming (Knuth's WEB / weave / tangle) — one source → N co-equal derived projections (docs + code); named-chunk transclusion; splits replication- vs derivation-projection; SHARD-WP-0004 T1; UC-83 |
| 2026-06-14 | `260614-jupyter-deep-dive/` | Jupyter Notebooks — `.ipynb` JSON cells + embedded computed outputs with fragile execution provenance; derived output stored *inside* the source; non-Markdown/lossy; kernel = capability; SHARD-WP-0004 T3; UC-84 |
| 2026-06-14 | `260614-glamorous-toolkit-deep-dive/` | Glamorous Toolkit (moldable development on Pharo) — `gtView` open set of co-equal type-keyed computed views (none canonical) = moldable view registry; Lepiter live notebook over git files; SHARD-WP-0004 T7; enrichment-only (UC-47/48/54) |
| 2026-06-14 | `260614-mathematica-deep-dive/` | Mathematica Notebooks — the original computational notebook (`.nb` = a Wolfram expression); nestable cell groups, structured re-evaluable outputs, `Manipulate` live widgets, CDF; confirms UC-84 notebook shape is a genus; SHARD-WP-0004 T2; enrichment-only (reinforces UC-84; UC-54/55) |
| 2026-06-14 | `260614-mathematica-deep-dive/` | Mathematica Notebooks — the original computational notebook (`.nb` = a Wolfram expression); nestable cell groups, structured re-evaluable outputs, `Manipulate` live widgets, CDF; confirms UC-84 notebook shape is a genus; SHARD-WP-0004 T2; enrichment-only (reinforces UC-84; UC-54/55) |
| 2026-06-14 | `260614-squeak-pharo-deep-dive/` | Squeak & Pharo (image-based Smalltalk) — the live-object image (purest "live" end); image-is-not-a-store boundary (export→files only); Pharo Tonel/Iceberg externalizes code to git text; names the live↔snapshot projection axis; SHARD-WP-0004 **T6 + T8** (merged); boundary/enrichment-only, no new UC |