feat(schema): Add ObjectSchema and ArraySchema records

Author: thced

src/main/java/com/retailsvc/http/spec/schema/ArraySchema.java

@@ -0,0 +1,7 @@
+package com.retailsvc.http.spec.schema;
+
+import java.util.Set;
+
+public record ArraySchema(
+    Set<TypeName> types, Schema items, Integer minItems, Integer maxItems, boolean uniqueItems)
+    implements Schema {}

src/main/java/com/retailsvc/http/spec/schema/ObjectSchema.java

@@ -0,0 +1,14 @@
+package com.retailsvc.http.spec.schema;
+
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+
+public record ObjectSchema(
+    Set<TypeName> types,
+    Map<String, Schema> properties,
+    List<String> required,
+    AdditionalProperties additionalProperties,
+    Integer minProperties,
+    Integer maxProperties)
+    implements Schema {}

src/main/java/com/retailsvc/http/spec/schema/Schema.java

@@ -3,6 +3,13 @@
 import java.util.Set;
 
 public sealed interface Schema
-    permits StringSchema, NumberSchema, IntegerSchema, BooleanSchema, NullSchema, RefSchema {
+    permits StringSchema,
+        NumberSchema,
+        IntegerSchema,
+        BooleanSchema,
+        ObjectSchema,
+        ArraySchema,
+        NullSchema,
+        RefSchema {
   Set<TypeName> types();
 }

src/test/java/com/retailsvc/http/spec/schema/ContainerSchemasTest.java

@@ -0,0 +1,37 @@
+package com.retailsvc.http.spec.schema;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+import org.junit.jupiter.api.Test;
+
+class ContainerSchemasTest {
+  @Test
+  void objectSchemaCarriesPropertiesAndRequired() {
+    Schema name = new StringSchema(Set.of(TypeName.STRING), null, null, null, null, null);
+    ObjectSchema o =
+        new ObjectSchema(
+            Set.of(TypeName.OBJECT),
+            Map.of("name", name),
+            List.of("name"),
+            new AdditionalProperties.Allowed(),
+            null,
+            null);
+    assertThat(o.properties()).containsKey("name");
+    assertThat(o.required()).containsExactly("name");
+    assertThat(o.additionalProperties()).isInstanceOf(AdditionalProperties.Allowed.class);
+  }
+
+  @Test
+  void arraySchemaCarriesItemsAndConstraints() {
+    Schema items =
+        new IntegerSchema(Set.of(TypeName.INTEGER), null, null, null, null, null, "int32");
+    ArraySchema a = new ArraySchema(Set.of(TypeName.ARRAY), items, 1, 10, true);
+    assertThat(a.items()).isSameAs(items);
+    assertThat(a.minItems()).isEqualTo(1);
+    assertThat(a.maxItems()).isEqualTo(10);
+    assertThat(a.uniqueItems()).isTrue();
+  }
+}