Fix production health build identification

Mount the versioned health route instead of the legacy shadowing handler so deployments can verify the exact running image.

src/main/kotlin/com/osglab/account/Application.kt

@@ -108,6 +108,7 @@ import com.osglab.account.features.gateway.services.GatewayBearerIdentity
 import com.osglab.account.features.gateway.services.GatewayGrantService
 import com.osglab.account.features.gateway.services.GatewayReconciliationService
 import com.osglab.account.features.gateway.services.GatewayService
+import com.osglab.account.features.health.healthRoutes
 import com.osglab.account.features.integrity.AppAttestCrypto
 import com.osglab.account.features.integrity.AppAttestRepository
 import com.osglab.account.features.integrity.AppAttestService
@@ -152,8 +153,6 @@ import io.ktor.client.engine.cio.CIO
 import io.ktor.client.plugins.contentnegotiation.ContentNegotiation as ClientContentNegotiation
 import io.ktor.client.plugins.HttpTimeout
 import io.ktor.client.plugins.websocket.WebSockets as ClientWebSockets
-import io.ktor.http.ContentType
-import io.ktor.http.HttpStatusCode
 import io.ktor.serialization.kotlinx.json.json
 import io.ktor.server.application.Application
 import io.ktor.server.application.ApplicationStopped
@@ -169,9 +168,6 @@ import io.ktor.server.plugins.ratelimit.RateLimitName
 import io.ktor.server.plugins.ratelimit.rateLimit
 import io.ktor.server.request.httpMethod
 import io.ktor.server.response.respond
-import io.ktor.server.response.respondText
-import io.ktor.server.routing.get
-import io.ktor.server.routing.Route
 import io.ktor.server.routing.routing
 import io.ktor.server.websocket.WebSockets
 import kotlinx.serialization.json.Json
@@ -379,22 +375,6 @@ fun Application.module() {
     }
 }
 
-fun Route.healthRoutes(databaseFactory: DatabaseFactory? = null) {
-    get("/health") { call.respondText("""{"status":"UP"}""", ContentType.Application.Json) }
-    get("/health/live") { call.respondText("""{"status":"UP"}""", ContentType.Application.Json) }
-    get("/health/ready") {
-        if (databaseFactory?.isReady() == true) {
-            call.respondText("""{"status":"UP"}""", ContentType.Application.Json)
-        } else {
-            call.respondText(
-                """{"status":"DOWN"}""",
-                ContentType.Application.Json,
-                HttpStatusCode.ServiceUnavailable,
-            )
-        }
-    }
-}
-
 fun accountServerModule(config: AppConfig): Module = module {
     single { config }
     single { DatabaseFactory(config.database) }