feat(web): added global exception handler

src/main/kotlin/com/project/movienight/adapters/web/ApiExceptionHandler.kt

@@ -0,0 +1,31 @@
+package com.project.movienight.adapters.web
+
+import com.project.movienight.domain.exception.BlockedValueException
+import com.project.movienight.domain.exception.DomainException
+import com.project.movienight.domain.exception.EntityNotFoundException
+import org.springframework.http.HttpStatus
+import org.springframework.web.bind.annotation.ExceptionHandler
+import org.springframework.web.bind.annotation.ResponseStatus
+import org.springframework.web.bind.annotation.RestControllerAdvice
+
+@RestControllerAdvice
+class ApiExceptionHandler {
+    @ExceptionHandler(EntityNotFoundException::class)
+    @ResponseStatus(HttpStatus.NOT_FOUND)
+    fun handleNotFound(exception: EntityNotFoundException): ErrorResponse =
+        ErrorResponse(message = exception.message ?: "Entity not found")
+
+    @ExceptionHandler(BlockedValueException::class)
+    @ResponseStatus(HttpStatus.BAD_REQUEST)
+    fun handleBlockedValue(exception: BlockedValueException): ErrorResponse =
+        ErrorResponse(message = exception.message ?: "Blocked value")
+
+    @ExceptionHandler(DomainException::class)
+    @ResponseStatus(HttpStatus.BAD_REQUEST)
+    fun handleDomainException(exception: DomainException): ErrorResponse =
+        ErrorResponse(message = exception.message ?: "Domain error")
+}
+
+data class ErrorResponse(
+    val message: String,
+)