• Add [FromBody] parameter to CompletePgtExternalAsync method signature
• Make CreatedAt and UpdatedAt properties nullable DateTime
• Remove ClaimedAt property from PgtExternalTask model
• Remove unnecessary JsonIgnore attributes from datetime properties

Add FromBody attribute to API method parameter

• Added [FromBody] attribute to emptyBody parameter in CompletePgtExternalAsync method
• Ensures proper HTTP request body binding for POST endpoint

src/Plugins/BotSharp.Plugin.Membase/Interfaces/IMembaseApi.cs

Refactor PgtExternalTask datetime properties and cleanup

• Changed CreatedAt and UpdatedAt from non-nullable to nullable DateTime properties
• Removed ClaimedAt property from PgtExternalTask class
• Removed unnecessary JsonIgnore attributes from datetime fields
• Simplified model by removing redundant property and attributes

src/Plugins/BotSharp.Plugin.Membase/Models/Responses/PgtExternalCompleteResponse.cs

Description

IMembaseApi.CompletePgtExternalAsync uses ASP.NET Core MVC [FromBody] on a Refit client
interface, so Refit may not serialize/send the request body for this POST call. If
/pgt-external/{correlationId}/complete requires a JSON body (even {}), the call can still fail
at runtime.

Code

src/Plugins/BotSharp.Plugin.Membase/Interfaces/IMembaseApi.cs[63]

Evidence

The method lives in a Refit interface and the plugin registers it as a Refit client; [FromBody] is
an MVC attribute brought in via global usings, while the rest of the interface uses Refit [Body]
for request bodies—indicating this parameter is not correctly marked for Refit body serialization.

src/Plugins/BotSharp.Plugin.Membase/Interfaces/IMembaseApi.cs[1-64]
src/Plugins/BotSharp.Plugin.Membase/MembasePlugin.cs[21-38]
src/Plugins/BotSharp.Plugin.Membase/Using.cs[8-12]

Agent prompt

The issue below was found during a code review. Follow the provided context and guidance below and implement a solution

## Issue description
`CompletePgtExternalAsync` is part of a Refit REST client interface but its new parameter is annotated with ASP.NET Core MVC `[FromBody]`. Refit expects its own `[Body]` attribute for request-body serialization; using `[FromBody]` may result in no body being sent.

## Issue Context
This interface is registered via `AddRefitClient<IMembaseApi>(...)`, and other methods in the same interface consistently use Refit `[Body]` for payloads.

## Fix Focus Areas
- src/Plugins/BotSharp.Plugin.Membase/Interfaces/IMembaseApi.cs[62-64]

### Suggested fix
- Change `[FromBody] object emptyBody` to `[Body] object emptyBody`.
- (Optional, clearer) Replace `object` with a dedicated empty request type (e.g., `PgtExternalCompleteRequest`) and pass `new PgtExternalCompleteRequest()` (or `new {}`) from call sites.

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