deepgrain-foundry/docs/agent-log.md

Agent log

What agents have done, newest first. Add an entry for every piece of work: the date, which note or request it was for, what changed, the files touched, the tests run, and anything left open or not verified. Keep each entry short; the git history has the details.

2026-10-23: export from claude.ai to a local repository (Claude, in claude.ai)

Request: split the source into small files, deduplicate and tidy a little, test fully, and write the notes, docs and agent instructions for local development.

• Source split.
  • core.js (3,688 lines), main.js (2,012) and render.js (938) became 52 files in src/sim/, src/render/ and src/ui/, each with a header line. The build order lives in src/manifest.json.
  • Checked that the joined code was identical to before, apart from comments and blank lines.
  • Every headless suite gave the same output, line for line, before and after.
  • Screenshots of two scenes, in both looks, were pixel-identical before and after (tools/shot.py --freeze).
• Tidying, behaviour unchanged.
  • One scan loop in simMove instead of two mirrored copies.
  • A drawHazardRims helper replaced 3 copies.
  • The belt and filter shader code shares beltLineSD, bandRidge and bandColor.
  • Removed unused refundCost, wakeArea, brushFor, and the PARTS / PART_BY_ID aliases.
  • The suites share suite() (check / done) from the harness, and failures now set the exit code.
• Tests.
  • Six broken old scripts were deleted; they used functions removed long ago.
  • Experiments and reports moved to tools/experiments/.
  • t_v2 / t_v4 / t_v9 were renamed t_basics / t_world / t_conveyors.
  • Added test/run_all.py.
• Tools.
  • tools/shot.py: repeatable screenshots of a scene set up in JavaScript.
  • tools/where.py: maps built-page line numbers back to source files.
  • tools/map.py: the project map's index.
  • tools/scenes/: example scenes.
  • The game skips cursor previews when GAME.hidePreviews is set, for clean screenshots.
• World files outside claude.ai.
  • Pause → Export world file only worked inside claude.ai, through its downloads hook.
  • It now falls back to an ordinary browser download (exportWorld in src/ui/saves.js).
  • test/play.py checks that an exported file downloads and imports back on the title screen as the same world.
• Build. build.py writes dist/index.html (a full page), dist/deepgrain-foundry.html (the same without the document wrapper, as the claude.ai artifact used) and dist/bundle-lines.json.
• Docs. AGENTS.md, CLAUDE.md, README.md, NOTES.md, docs/PROJECT_MAP.md, docs/DESIGN.md, docs/TESTING.md, docs/systems/*, docs/history/requests.md.
• Tests run. All 11 headless suites pass, as do test/play.py (101 checks) and test/t_smooth.py (8 checks).
• Open.
  • The owner reports that big piles on belts still only move at the top (NOTES.md); not yet reproduced.
  • The game's last claude.ai artifact was version 24.