Remove duplicate coreSetup from reports-dashboard project setupFiles.
With extends: true, coreSetup is already inherited from the root config.
Only dashboardSetup needs to be explicitly added at the project level.
Resolves CI failures where Node.js 24 caused ReferenceError: window is not defined
in non-dashboard tests that shared setupFiles with dashboard tests.
Follows the same pattern already used by fusion-plugin-roadmap: split into two
vitest projects with proper environment isolation:
- reports-dashboard: jsdom, includes src/dashboard/** tests + dashboard test-setup.ts
- reports-node: node, includes all other tests, excludes dashboard tests
No test changes — same 104 tests, same pass/fail state.
Adds a Reports dashboard view (`ReportsView`) to the reports plugin with a full supporting stack of components (`ReportComparisonDrawer`, `ReportDetailPanel`, `ReportFiltersBar`, `ReportListItem`, `ReportEmptyState`), hooks (`useReports`, `useReportPreview`, `useReportSectionDiff`, `useViewportMode`
Fusion-Task-Id: FN-3786
The merge introduces a new `fusion-plugin-reports` plugin scaffold with settings schema, manifest, entry point, and tests, alongside a mobile session switcher in the chat header. It also adds a mailbox notifications system with ntfy/webhook providers, cleans up roadmap types from core, and includes
Fusion-Task-Id: FN-3778
