feat(product-suite): add cmhub vision AI writing

tests/test_product_suite_gui.py

@@ -929,6 +929,61 @@ class ProductSuiteGuiTests(TempDirMixin, unittest.TestCase):
 
         self.assert_removed(temp_dir)
 
+    def test_ai_write_uses_first_eight_originals_in_source_order(self):
+        with self.make_temp_dir() as temp_dir:
+            config = self._config(temp_dir)
+            project, assets = self._create_project_with_assets(temp_dir, config, 9)
+            tab = ProductSuiteTab(config=config, db_path=config["db_path"])
+            self.addCleanup(tab.close)
+            state = tab._displayed_state
+            state.account_alias = "alias-a"
+            state.item_id = project.item_id
+            state.project_id = project.id
+            state.project_binding_state = project.binding_state
+            tab._load_state(state)
+            captured = {}
+
+            class _Signal:
+                def connect(self, callback):
+                    self.callback = callback
+
+            class _AiWriteWorker:
+                def __init__(self, instruction, context, **kwargs):
+                    captured["instruction"] = instruction
+                    captured["context"] = context
+                    captured["image_paths"] = list(kwargs.get("image_paths") or [])
+                    self.finished = _Signal()
+                    self.cancelled = _Signal()
+                    self.failed = _Signal()
+
+                def cancel(self):
+                    pass
+
+            with mock.patch(
+                "app.gui.tabs.product_suite.ProductSuiteAiWriteWorker",
+                _AiWriteWorker,
+            ), mock.patch.object(tab, "_start_thread", return_value=object()), mock.patch.object(
+                tab, "_status"
+            ) as status:
+                tab.start_ai_write()
+
+            self.assertEqual(
+                [asset.local_path for asset in assets[:8]],
+                captured["image_paths"],
+            )
+            self.assertTrue(
+                any(
+                    "已使用前8张商品原图进行理解" in str(call.args[0])
+                    for call in status.call_args_list
+                )
+            )
+            state.ai_worker = None
+            state.ai_thread = None
+            state.ai_started_at = None
+            tab._apply_running_state(state)
+
+        self.assert_removed(temp_dir)
+
     def test_prompt_edit_expands_shrinks_and_reflows_without_internal_scrollbars(self):
         edit = AutoHeightPlainTextEdit()
         self.addCleanup(edit.close)
@@ -2219,6 +2274,7 @@ class ProductSuiteGuiTests(TempDirMixin, unittest.TestCase):
                 def __init__(self, instruction, context, **kwargs):
                     captured["instruction"] = instruction
                     captured["context"] = context
+                    captured["image_paths"] = list(kwargs.get("image_paths") or [])
                     self.finished = _Signal()
                     self.cancelled = _Signal()
                     self.failed = _Signal()
@@ -2233,6 +2289,16 @@ class ProductSuiteGuiTests(TempDirMixin, unittest.TestCase):
                 tab.start_ai_write()
             self.assertIn("未绑定商品", captured["context"])
             self.assertNotIn("draft_", captured["context"])
+            self.assertEqual(
+                [
+                    image_studio.list_assets(
+                        draft.id,
+                        kind=image_studio.ASSET_KIND_ORIGINAL,
+                        path=config["db_path"],
+                    )[0].local_path
+                ],
+                captured["image_paths"],
+            )
             state.ai_worker = None
             state.ai_thread = None
             state.ai_started_at = None