feat: Sprint 2 — test coverage, Dependabot, coverage gates, E2E expansion

API Router Integration Tests (43 new tests):
- dashboard-router.test.ts: 11 tests (all 5 queries + RBAC)
- project-router.test.ts: 17 tests (full CRUD + batch ops + RBAC)
- resource-router-crud.test.ts: 15 tests (CRUD + hover card + skill import)
- Fix: mock budget-alerts + cache in existing allocation/timeline tests

E2E Test Suite Expansion (29 new tests, 7 spec files):
- dashboard.spec.ts: widget grid, stat cards, add widget modal
- allocations.spec.ts: list, create modal, filters, column toggle
- estimates.spec.ts: list, wizard steps, navigation
- vacations.spec.ts: self-service, management, team calendar
- staffing.spec.ts: search, suggestions, skill tags
- admin.spec.ts: settings, users, roles, blueprints
- navigation.spec.ts: nav links, sidebar collapse, theme, mobile menu

Coverage Gates:
- api package: 80% lines, 75% branches
- application package: 80% lines, 75% branches (new vitest.config.ts)
- shared package: 70% lines, 65% branches
- CI updated to run per-package vitest --coverage

Dependabot:
- Weekly npm dependency checks with grouped minor+patch
- GitHub Actions version checks
- 10 PR limit for npm, 5 for Actions

Co-Authored-By: claude-flow <ruv@ruv.net>

.github/dependabot.yml

@@ -0,0 +1,33 @@
+version: 2
+
+updates:
+  # npm dependencies (pnpm monorepo — root handles workspaces)
+  - package-ecosystem: npm
+    directory: /
+    schedule:
+      interval: weekly
+      day: monday
+    open-pull-requests-limit: 10
+    groups:
+      minor-and-patch:
+        update-types:
+          - minor
+          - patch
+    labels:
+      - dependencies
+
+  # GitHub Actions
+  - package-ecosystem: github-actions
+    directory: /
+    schedule:
+      interval: weekly
+      day: monday
+    open-pull-requests-limit: 5
+    groups:
+      actions-minor-patch:
+        update-types:
+          - minor
+          - patch
+    labels:
+      - dependencies
+      - ci