Plugins
Postman Doc: https://documenter.getpostman.com/view/20499442/[merchant-collection-id]

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API: List Plugins
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    GET /merchant/api/v1/domains/:domain_id/plugins

API: Install / Configure / Uninstall Plugin
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    POST /merchant/api/v1/domains/:domain_id/plugins/:id/install
    PATCH /merchant/api/v1/domains/:domain_id/plugins/:id/configure
    DELETE /merchant/api/v1/domains/:domain_id/plugins/:id

Description: Plugin lifecycle includes install (provisioning), configure (set credentials and options), enable/disable, and uninstall. Installing may create background jobs and webhook registrations.

Install Request example:
    { "config": { "api_key": "..." }, "enable": true }

Flow Sequence (List):
    # Step 1: Validate Token and Domain
    # Step 2: Fetch available & installed plugins
    GET /api/plugins?domain_id=:domain_id [Plugin Service]

Flow Sequence (Install):
    # Step 1: Validate Token and Permissions
    # Step 2: Provision plugin resources (if required)
    POST /api/plugins/:id/provision [Plugin Service]
    # Step 3: Save configuration and enable plugin
    POST /api/plugins/:id/install [Plugin Service]
    # Step 4: Register webhooks with external service (background job)
    POST /api/plugins/:id/webhooks/register [Plugin Service]

Flow Sequence (Configure/Uninstall):
    # Step 1: Validate Token and Permissions
    # Step 2 (Configure): PATCH /api/plugins/:id/configure [Plugin Service]
    # Step 2 (Uninstall): POST /api/plugins/:id/uninstall [Plugin Service]
    # Step 3: Clean up provisioned resources and unregister webhooks
    POST /api/plugins/:id/webhooks/unregister [Plugin Service]