feat: Add password reset functionality with request and reset forms

feat: Implement price list import feature with preview and apply options

feat: Create price rules management page with CRUD operations

feat: Develop quotes management page with itemized quotes and status tracking

feat: Introduce organization registration page for new users

feat: Build suppliers management page with detailed supplier information

feat: Create users management page for inviting and managing roles

chore: Add TypeScript configuration for improved type checking

chore: Set up Vite configuration for development server and API proxy

chore: Add Vite environment type definitions for better TypeScript support

backend/migrations/20260521172000_public_onboarding.sql

@@ -0,0 +1,61 @@
+create table if not exists organization_registration_requests (
+    id uuid primary key,
+    organization_name_ciphertext bytea not null,
+    organization_name_nonce bytea not null,
+    organization_name_key_id text not null,
+    email text not null,
+    status text not null default 'pending_approval',
+    organization_id uuid references organizations(id),
+    requested_at timestamptz not null default now(),
+    decided_by_user_id uuid references users(id),
+    decided_at timestamptz,
+    decision_note text,
+    constraint organization_registration_requests_email_lowercase check (email = lower(email)),
+    constraint organization_registration_requests_status_valid check (
+        status in ('pending_approval', 'approved', 'active', 'rejected', 'suspended')
+    )
+);
+
+create table if not exists user_invitations (
+    id uuid primary key,
+    organization_id uuid not null references organizations(id) on delete cascade,
+    email text not null,
+    invited_by_user_id uuid not null references users(id),
+    status text not null default 'pending',
+    expires_at timestamptz not null,
+    accepted_at timestamptz,
+    created_user_id uuid references users(id),
+    created_at timestamptz not null default now(),
+    constraint user_invitations_email_lowercase check (email = lower(email)),
+    constraint user_invitations_status_valid check (
+        status in ('pending', 'accepted', 'expired', 'revoked')
+    )
+);
+
+create table if not exists email_outbox (
+    id uuid primary key,
+    recipient_email text not null,
+    template text not null,
+    payload_ciphertext bytea not null,
+    payload_nonce bytea not null,
+    payload_key_id text not null,
+    status text not null default 'pending',
+    attempt_count integer not null default 0,
+    last_error text,
+    send_after timestamptz not null default now(),
+    sent_at timestamptz,
+    created_at timestamptz not null default now(),
+    constraint email_outbox_recipient_email_lowercase check (recipient_email = lower(recipient_email)),
+    constraint email_outbox_status_valid check (
+        status in ('pending', 'sending', 'sent', 'failed')
+    )
+);
+
+create index if not exists idx_organization_registration_requests_status
+    on organization_registration_requests (status, requested_at);
+
+create index if not exists idx_user_invitations_organization_status
+    on user_invitations (organization_id, status);
+
+create index if not exists idx_email_outbox_status_send_after
+    on email_outbox (status, send_after);