0.2 Minimal Program.cs

Wire up MVC controllers and add GET /health returning
{ status: "Healthy", mqttConnected: false } (mqttConnected hardcoded
until the MQTT publisher lands). Switch launchSettings.json to port
8080 so the DoD curl works out of the box.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

IMPLEMENTATION.md

@@ -15,7 +15,7 @@ When working through this file, mark increments complete by changing `[ ]` to `[
 - Add `.gitignore` (dotnet template), `global.json` pinning .NET 10 SDK.
 - **DoD:** `dotnet build` and `dotnet test` both succeed (no tests yet, but harness runs).
 
-### [ ] 0.2 Minimal Program.cs
+### [x] 0.2 Minimal Program.cs
 - Minimal hosting + controllers wired up.
 - `GET /health` returning `{ status: "Healthy", mqttConnected: false }` (mqttConnected hardcoded for now).
 - **DoD:** `dotnet run --project src/FrameProcessor` then `curl localhost:8080/health` returns 200 with the JSON.

src/FrameProcessor/Controllers/HealthController.cs

@@ -0,0 +1,11 @@
+using Microsoft.AspNetCore.Mvc;
+
+namespace FrameProcessor.Controllers;
+
+[ApiController]
+[Route("health")]
+public class HealthController : ControllerBase
+{
+    [HttpGet]
+    public IActionResult Get() => Ok(new { status = "Healthy", mqttConnected = false });
+}

src/FrameProcessor/Program.cs

@@ -1,6 +1,9 @@
 var builder = WebApplication.CreateBuilder(args);
+
+builder.Services.AddControllers();
+
 var app = builder.Build();
 
-app.MapGet("/", () => "Hello World!");
+app.MapControllers();
 
 app.Run();

src/FrameProcessor/Properties/launchSettings.json

@@ -5,7 +5,7 @@
       "commandName": "Project",
       "dotnetRunMessages": true,
       "launchBrowser": true,
-      "applicationUrl": "http://localhost:5165",
+      "applicationUrl": "http://localhost:8080",
       "environmentVariables": {
         "ASPNETCORE_ENVIRONMENT": "Development"
       }
@@ -14,7 +14,7 @@
       "commandName": "Project",
       "dotnetRunMessages": true,
       "launchBrowser": true,
-      "applicationUrl": "https://localhost:7016;http://localhost:5165",
+      "applicationUrl": "https://localhost:7016;http://localhost:8080",
       "environmentVariables": {
         "ASPNETCORE_ENVIRONMENT": "Development"
       }