修复图标规范参考图超限预检

后端在调用 LLM 前按模型上限拒绝超限参考图。
前端在请求发送前限制图标规范参考图数量。
补充超限零请求回归测试与预检顺序断言。

server-rs/crates/api-server/src/editor_project.rs

@@ -1808,18 +1808,19 @@ pub(crate) async fn validate_editor_image_generation_parameters_for_owner(
         payload.image_size.as_deref(),
     );
     let reference_limit = if matches!(normalized_kind, Some("quick-edit")) {
-        9
+        EDITOR_QUICK_EDIT_REFERENCE_LIMIT
+            .min(editor_provider_reference_limit(generation_options.model))
     } else {
-        5
+        EDITOR_IMAGE_GENERATION_REFERENCE_LIMIT
     };
-    for source in payload
-        .reference_image_srcs
-        .as_deref()
-        .unwrap_or_default()
-        .iter()
-        .map(|source| source.trim())
-        .filter(|source| !source.is_empty())
-        .take(reference_limit)
+    ensure_editor_reference_image_source_limit(
+        payload.reference_image_srcs.as_deref(),
+        reference_limit,
+        "editor-image-generation",
+        "referenceImageSrcs",
+        "生成参考图",
+    )?;
+    for source in normalize_editor_reference_image_sources(payload.reference_image_srcs.as_deref())
     {
         parse_editor_reference_image(state, caller.owner_user_id.as_str(), source).await?;
     }
@@ -14784,18 +14785,25 @@ mod tests {
     fn image_generation_preflight_checks_references_provider_and_pricing() {
         let source = include_str!("editor_project.rs");
 
-        assert_function_contains(
+        assert_function_contains_in_order(
             source,
             "pub(crate) async fn validate_editor_image_generation_parameters_for_owner",
             "pub(crate) async fn generate_editor_image_for_owner",
             &[
                 "ensure_editor_reference_image_sources_are_stable(",
+                "ensure_editor_reference_image_source_limit(",
                 "parse_editor_reference_image(",
                 "require_openai_image_settings(",
                 "build_openai_image_http_client(",
                 ".editor_generation_pricing()",
             ],
         );
+        assert_function_not_contains(
+            source,
+            "pub(crate) async fn validate_editor_image_generation_parameters_for_owner",
+            "pub(crate) async fn generate_editor_image_for_owner",
+            &[".take(reference_limit)"],
+        );
     }
 
     #[test]

src/services/image-editor/editorProjectClient.test.ts

@@ -1452,6 +1452,20 @@ describe('editorProjectClient', () => {
     expect(requestJsonMock).not.toHaveBeenCalled();
   });
 
+  it('rejects excess icon spec references before dispatch', async () => {
+    await expect(
+      generateEditorIconSpec({
+        playSetting: '回合制占点',
+        artStyle: '低多边形',
+        referenceImageSrcs: Array.from(
+          { length: 6 },
+          (_, index) => `resource-reference-${index + 1}`,
+        ),
+      }),
+    ).rejects.toThrow('图标规范参考图最多允许 5 张，当前选择 6 张');
+    expect(requestJsonMock).not.toHaveBeenCalled();
+  });
+
   it('submits icon spec business fields without a client prompt or image kind', async () => {
     requestJsonMock.mockResolvedValueOnce({
       imageSrc: 'data:image/png;base64,spec',

src/services/image-editor/editorProjectClient.ts

@@ -1106,6 +1106,11 @@ export async function generateEditorIconSpec(
     '美术风格',
   );
   assertStableEditorMediaReferences(input.referenceImageSrcs, '图标规范参考图');
+  assertEditorReferenceLimit(
+    input.referenceImageSrcs,
+    EDITOR_IMAGE_REFERENCE_LIMIT,
+    '图标规范参考图',
+  );
   return requestJson<EditorImageGenerationResponse>(
     EDITOR_ICON_SPEC_GENERATION_API,
     jsonRequest('POST', {