Thirty Bees connector: research legacy PrestaShop fork boundary

[sridharkalaibala]

Parent: #34

Problem

Thirty Bees is a PrestaShop fork used by some smaller shops. We need to know whether the PrestaShop connector assumptions apply.

Acceptance criteria

• Research official Thirty Bees docs/community docs for product, order, customer, and stock export/API options.
• Compare differences from the PrestaShop connector assumptions.
• Identify one compatibility fixture or decide to keep it research-only.
• Avoid using real merchant data.

Out of scope

• Building a separate connector package.
• Public compatibility claims.