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Program-as-page rendered live at view time (no cached output). Adds materialization-timing (ahead-of-time vs view-time) + continuity (one-shot vs continuous) facets to the projection model; execute-in-viewer = capability+trust. Enrichment-only (UC-54/55). Marks T4 done. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
31 lines
1.3 KiB
Markdown
31 lines
1.3 KiB
Markdown
# 260614 — Processing & Processing.js deep dive
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Date: 2026-06-14 · Source: **SHARD-WP-0004 T4**
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## What this is
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A deep dive into **Processing** (creative coding) and **Processing.js / p5.js** (browser-run
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sketches): **the sketch *is* the document** — a program whose presentation is **live visual
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output rendered at view time** in the browser, with **no cached output** by default.
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## Why it matters
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- The cleanest **program-as-page** case: canonical content = **source text**, presentation =
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**executable render** (no input/output cells, no prose envelope) — sharpens the page model
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(T12/T15) and UC-54/55.
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- Adds a **view-time** variant to derivation-projection (the render runs **in the viewer,
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continuously**) and a **continuity** facet (one-shot vs continuous/interactive); continuous
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→ static is a **snapshot frame/recording** on the live↔snapshot axis (T6).
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- "Execute/render in the viewer" = an explicit **capability + trust/sandbox** surface.
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## Yield
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- **No new UC** (enrichment / design prior art). Enriches **UC-54, UC-55**; links UC-83,
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UC-84, UC-35.
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## Contents
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| Path | Role |
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|------|------|
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| `findings.md` | Program-as-page, view-time/live render, no-cached-output, capability+trust, INTENT mapping, UC disposition (enrichment-only), architecture notes |
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