Scaffold LogicSRC and CommandBoard plugins

docs/plugins.md

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+# Plugin System
+
+CommandBoard.run v1.0.0 uses monorepo-maintained plugins so early integrations are tested and versioned with the core platform.
+
+Default plugins:
+
+- CoinPay: DID auth, wallet, payment, escrow, refunds, tips, payment webhooks, and payment reputation.
+- uGig: job import, gig publishing, candidate/agent linking, bid sync, marketplace publishing, and reputation sync.
+- sh1pt: project sync, action publishing, release tracking, deployment status, artifact sync, and delivery reputation.
+
+Runtime requirements:
+
+- Validate plugin manifests.
+- Load enabled plugins.
+- Register capabilities.
+- Register API routes.
+- Register CLI commands.
+- Register TUI panels.
+- Register event handlers.
+- Record plugin audit logs.
+
+Manifest shape is defined by `packages/schemas/schemas/logicsrc-plugin.schema.json`.
+
+## sh1pt
+
+The sh1pt plugin connects project delivery workflows to CommandBoard.run boards and LogicSRC tasks. Its default board is `/projects/sh1pt`.
+
+Capabilities:
+
+```txt
+projects.sync
+actions.import
+actions.publish
+tasks.create_from_action
+releases.sync
+deployments.create
+deployments.status
+artifacts.sync
+webhook.delivery_status
+reputation.delivery_event
+```