Initial import into Gitea

Creative/Controllers/InternalController.cs

@@ -0,0 +1,48 @@
+using Creative.Models;
+using Creative.Security;
+using Creative.Services;
+using Microsoft.AspNetCore.Mvc;
+
+namespace Creative.Controllers;
+
+/// <summary>
+/// Internal endpoint called by Gateway.
+/// Single dispatch point: POST /internal/execute
+/// </summary>
+[ApiController]
+[Route("internal")]
+public class InternalController : ControllerBase
+{
+    private readonly CreativeService _service;
+    private readonly ILogger<InternalController> _logger;
+
+    public InternalController(CreativeService service, ILogger<InternalController> logger)
+    {
+        _service = service;
+        _logger = logger;
+    }
+
+    /// <summary>
+    /// Execute a creative operation.
+    /// Called by Gateway with X-Internal-Key header.
+    /// </summary>
+    [HttpPost("execute")]
+    [ServiceFilter(typeof(InternalAuthFilter))]
+    public async Task<IActionResult> Execute(
+        [FromBody] CreativeRequest request,
+        CancellationToken ct)
+    {
+        var requestId = Request.Headers["X-Request-Id"].FirstOrDefault()
+            ?? request.RequestId
+            ?? Guid.NewGuid().ToString("N");
+
+        request.RequestId = requestId;
+
+        _logger.LogInformation("[Internal] {Operation} | RequestId={RequestId}",
+            request.Operation, requestId);
+
+        var result = await _service.ExecuteAsync(request, ct);
+
+        return result.Ok ? Ok(result) : BadRequest(result);
+    }
+}