Simplify comments and tests in type components

- Remove implementation detail comments about mutation engine
- Remove redundant tests that were testing non-responsibility of the component
  (InputType doesn't add suffixes - that's not its job)

Author: FionaBronwen

packages/graphql/src/components/types/input-type.tsx

@@ -9,10 +9,7 @@ export interface InputTypeProps {
 }
 
 /**
- * Renders a GraphQL input type declaration
- *
- * The mutation engine handles naming: input models are already suffixed
- * with "Input" when they need to be distinguished from output types.
+ * Renders a GraphQL input type declaration.
  */
 export function InputType(props: InputTypeProps) {
   const { $ } = useTsp();

packages/graphql/src/components/types/object-type.tsx

@@ -25,10 +25,6 @@ export function ObjectType(props: ObjectTypeProps) {
   const implementations = getComposition(program, props.type);
   const operationFields = getOperationFields(program, props.type);
 
-  // Convert interface implementations to string references.
-  // Note: getComposition returns original (pre-mutation) models from decorator state.
-  // This works because the mutation engine doesn't rename models, so iface.name
-  // matches the name used by InterfaceType for the same model.
   const implementsRefs = implementations?.map((iface) => iface.name) || [];
 
   return (

packages/graphql/test/components/input-type.test.tsx

@@ -49,31 +49,6 @@ describe("InputType component", () => {
     expect(sdl).toContain("bio: String!");
   });
 
-  it("renders mutated input model with Input suffix from mutation engine", async () => {
-    // The mutation engine adds the Input suffix when a model is used as input.
-    // This test simulates that by using a model already named with Input suffix.
-    const { PetInput } = await tester.compile(
-      t.code`model ${t.model("PetInput")} { name: string; }`,
-    );
-
-    const sdl = renderComponentToSDL(tester.program, <InputType type={PetInput} />);
-
-    expect(sdl).toContain("input PetInput {");
-  });
-
-  it("renders input-only model without suffix", async () => {
-    // Models used only as inputs (never as outputs) don't need the Input suffix.
-    // The mutation engine handles this - it only adds suffix when needed.
-    const { CreatePet } = await tester.compile(
-      t.code`model ${t.model("CreatePet")} { name: string; }`,
-    );
-
-    const sdl = renderComponentToSDL(tester.program, <InputType type={CreatePet} />);
-
-    expect(sdl).toContain("input CreatePet {");
-    expect(sdl).not.toContain("CreatePetInput");
-  });
-
   it("renders array fields as list types", async () => {
     const { TagInput } = await tester.compile(
       t.code`model ${t.model("TagInput")} { values: string[]; }`,