.gitignore             |   5 +
 AGENTS.md              |  92 ++++++++++++++++
 arc/canvas.md          | 115 ++++++++++++++++++++
 arc/file-format.md     | 183 +++++++++++++++++++++++++++++++
 arc/platforms.md       |  98 +++++++++++++++++
 arc/sync.md            | 184 ++++++++++++++++++++++++++++++++
 arc/testing.md         | 147 +++++++++++++++++++++++++
 arc/ui.md              | 127 ++++++++++++++++++++++
 tools/canvas/README.md |   2 +-
 9 files changed, 952 insertions(+), 1 deletion(-)