feat: build collaboration workspaces

.trellis/tasks/07-03-collaboration-modules/implement.md

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+# Implementation Plan
+
+## Steps
+
+1. Load relevant frontend, backend, and shared Trellis specs.
+2. Add schema enums/tables and update core permission types/seed role definitions.
+3. Generate the Drizzle migration.
+4. Add module type contracts, validators, and server operations for devices, notices, alerts, and family.
+5. Add API route handlers and route tests for read/manage permission behavior and organization scoping.
+6. Add local seed records for the four modules using existing organization, elder, bed, incident, health, and account context where available.
+7. Replace reserved route pages with data-backed Server Components and client workspace components.
+8. Run `pnpm type-check`, `pnpm test`, and targeted lint/build checks as time allows.
+9. Run Trellis check/update-spec finish steps and commit task changes.
+
+## Validation Commands
+
+- `pnpm db:generate`
+- `pnpm type-check`
+- `pnpm test`
+- `pnpm lint`
+
+## Risk Points
+
+- Schema migration generation changes tracked Drizzle metadata; inspect before finalizing.
+- Avoid touching unrelated user-modified files except where required by shared types/navigation/seed integration.
+- Keep organization scoping explicit in every list and mutation query.