Feat/add savings goal milestone notification

[MerlinTheWhiz]

Closes #466

Changes I made:

• Backend (core changes)

  • savings-goal.entity.ts — Added milestonesSent (JSONB) to track sent milestone percentages.
  • 1774445030-AddGoalMilestonesAndPreferences.ts — Migration adding milestonesSent, milestoneNotifications, goal_milestone_events table, and safe enum updates.
  • notification.entity.ts — Added GOAL_MILESTONE, GOAL_COMPLETED types.
  • notification-preference.entity.ts — Added milestoneNotifications (default true).
  • update-notification-preference.dto.ts — Added milestoneNotifications to PATCH DTO.
  • notifications.service.ts — Added goal.milestone handler for in-app + email notifications (respects prefs).
  • mail.service.ts — Added sendGoalMilestoneEmail(...) with template.
  • milestone-scheduler.service.ts — Daily cron to compute progress, mark milestones, emit events, and log analytics.
  • notifications.module.ts — Registered scheduler and imported SavingsModule.
  • goal-milestone.hbs — Email template for milestone notifications.

• Frontend

  • page.tsx — Replaced placeholder with settings UI to fetch/update notification preferences (including milestoneNotifications).

[vercel]

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Project	Deployment	Actions	Updated (UTC)
nestera	Ready	Preview, Comment	Mar 29, 2026 11:28am

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