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LST-58 (2.4), part 2 — Prospect (new entity). Completes the Directory backend.
- ProspectStatus enum (new/contacted/qualified/won/lost) + Prospect entity
(name, company, email, phone, address, status, source, notes,
convertedClient -> ClientInterface) with Timestampable/Blamable + #[Auditable].
- API: GetCollection/Get (ROLE_USER), Post/Patch/Delete (ROLE_ADMIN),
custom POST /prospects/{id}/convert (ConvertProspectProcessor: creates a
Client from the prospect, links convertedClient, sets status=Won; idempotent).
SearchFilter on status.
- Repository interface + Doctrine impl (bound); 6 MCP tools (list/get/create/
update/delete/convert-prospect); Serializer::prospect(). Module perms
directory.prospects.view/manage. Demo fixtures (3 prospects, one converted).
- Additive migration: CREATE TABLE prospect + FKs ON DELETE SET NULL + COMMENT.
163 tests green (incl. conversion test), mapping valid, cs-fixer clean.