* feat(agentstack): add @logicsrc/agentstack coordination module
AgentStack is the LogicSRC module for portable agent, task, payment, and
reputation coordination across Profullstack apps. Reference implementation of
the `agentstack` capability in the Profullstack Shared AppKit OpenSpec.
- packages/agentstack: DID helpers (did:coinpay:user/agent), DidTask model +
lifecycle, AgentStack in-memory coordinator (agents, tasks, delegation,
events), and a validated LogicSRC plugin definition. 9 vitest cases.
- Wire @logicsrc/agentstack into the root build chain (after plugin-core).
- docs/agentstack.md + mention in openspec-comparison.md.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
* docs(agentstack): note dual-runtime support (Bun + Node.js + Workers + browser)
Matches the revised Shared AppKit PRD's Runtime Compatibility Strategy.
AgentStack is runtime-neutral (no Bun/Node-only APIs; time is injected).
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
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Co-authored-by: Claude Opus 4.8 <noreply@anthropic.com>
