docs(canvas): A2A topology overlay and audit trail panel
Two Canvas features merged today:
- PR #751: A2A topology overlay — animated delegation edges (violet <5 min,
blue otherwise), toolbar toggle, localStorage-persisted, polls every 60s
- PR #759: Audit trail panel — Side Panel Audit tab, tamper-evident chain,
event-type filters, cursor pagination, chain_valid tamper indicator
Changes:
- concepts.mdx: expand The Canvas section with overlay + audit panel docs
- api-reference.mdx: add GET /workspaces/:id/audit with full entry schema;
update activity row to document ?type=delegation filter
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Molecule AI Documentation Specialist
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