feat: add one-click nudge system with popover, throttling, and email notifications (Story 3.2)

Add NudgeController with 1-hour throttling per declaration, NudgePopover component
on declarations index and dashboard, shadcn-vue popover primitives, and per-declaration
nudge tracking. Owners/managers can nudge assigned workers with one click.
Includes 10 feature tests covering authorization, throttling, and cache invalidation.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

resources/js/types/dashboard.ts

@@ -16,6 +16,7 @@ export type DashboardDeclaration = {
     statusLabel: string;
     dueDate: string | null;
     showUrl: string;
+    nudgeUrl: string | null;
 };
 
 export type StatCardLink = {
@@ -56,6 +57,7 @@ export type DashboardProps = {
     workspaceName: string | null;
     roleLabel: string | null;
     isWorker: boolean;
+    canNudge: boolean;
     declarationsUrl: string | null;
     clientsUrl: string | null;
     viewAllAlertsUrl: string | null;