Add user soft deletion and audit trails

[Copilot]

User deletions were removing records outright, leaving no recovery path and no record of who changed what. This adds soft deletion for portal users and records a lightweight audit trail for user lifecycle changes.

• Data model

  • Added deletedAt / deletedByClerkUserId to User
  • Added UserAuditTrail for per-user event history (action, actor, before/after, metadata, timestamp)

• Behavior changes

  • Converted portal user deletion to soft delete
  • Blocked edits/moves on soft-deleted users
  • Kept Clerk webhook sync aligned with soft-delete semantics

• Audit logging

  • Logged user create/update/move/delete events
  • Captured actor identity and field diffs for updates
  • Stored webhook-driven create/delete events as system actions

• Admin UX

  • Added audit trail rendering in the user/alumni edit modals
  • Surfaced recent activity inline with the record being edited

await tx.user.update({
  where: { id: input.id },
  data: {
    deletedAt: new Date(),
    deletedByClerkUserId: ctx.user?.id ?? null,
  },
});

[vercel]

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Project	Deployment	Actions	Updated (UTC)
solar-car-website-next	Ready	Preview, Comment	May 23, 2026 7:34pm