test(web): add Vitest CI, ADRs, and PR Definition of Done

FE unit-тесты селекторов/api-client в CI; ADR по durable jobs, OpenAPI codegen и legacy Svelte; PR template WEB-19; процесс KPI cross-app sync.

Co-authored-by: Cursor <[email protected]>

docs/kpi-cross-app-sync.md

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+# Cross-app KPI / Quick Actions sync
+
+EvoBGP is the **source of truth** for hybrid KPI and Quick Actions markup:
+
+- `apps/web/src/components/reui-kit/kpi-stat-grid.tsx`
+- `apps/web/src/components/reui-kit/quick-action-grid.tsx`
+
+Preview: https://reui.io/preview/base/stats-12 · https://reui.io/preview/base/card-12
+
+## Process
+
+1. Change markup/tokens only in EvoBGP first.
+2. Diff against sibling apps (`@cfdm/ui` / `@evofw/ui` / `@authportal/ui` import prefixes only):
+   - `vps-tracker/apps/web/src/components/reui-kit/kpi-stat-grid.tsx`
+   - `cloudflare-domain-manager/.../kpi-stat-grid.tsx`
+   - `EvoFirewall/.../kpi-stat-grid.tsx`
+   - `auth-portal/.../kpi-stat-grid.tsx`
+3. Port structural/class changes; keep package alias (`@evobgp/ui` → `@scope/ui`).
+4. Mention sync in the PR checklist when EvoBGP kit DNA changes.