docs: add input-and-placement OpenSpec change and update AGENTS.md

Plan input handling and pattern placement before Game of Life mechanics:
keyboard bindings config, mouse placement with preview/rotation,
HiDPI scaling, and cell grid. Update AGENTS.md project notes.
This commit is contained in:
2026-11-08 14:30:09 +01:00
parent 403bcbbfdf
commit 5e7abfb56b
12 changed files with 436 additions and 40 deletions
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schema: spec-driven
created: 2026-11-08