createPresence accepts a lazy seedColors map (the doc's comment authors):
claims prefer your own comment slot, lowestFreeColor counts authors' slots
as used, colorOf answers offline authors from the seed before the hash.
Comments' own fallback chain gains the seed for presence-less binds.
WasmTool wires the bound doc into both presence paths (pcbnew + eeschema
per-sheet rebinds). Bumps pcbjam-shared (commentAuthorColors). +4 tests.
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01A42xfPFNdfsUt9eowkC9eM
250dc3dbae