Build a CRM With Lovable

Build a CRM.

Data model:
- Contacts: name, email, phone, company, source, owner, created date.
- Companies: name, website, industry, notes.
- Deals: title, contact, company, value, stage, expected close date, owner.
- Activities: type (call, email, meeting, note), related contact or deal, content, date, owner.

Interface:
- Contacts list with search, filters and pagination.
- Contact detail page showing related deals and a timeline of activities.
- A pipeline board grouped by deal stage.
- Quick-add for contacts, deals and activities.

Rules:
- Every record has an owner. Users see their own records; admins see all.
- Enable row level security with policies matching those rules.
- Add indexes on every column used for filtering or sorting.