fix(douyin): version_2 发布页适配——标题超时/封面输入/话题上限

- 标题/描述等待 10s→120s：version_2(post/video) 要等视频上传完才渲染表单（实测约40s）
- 封面上传修正：封面弹窗有4个隐藏input，前2个是左侧AI参考图，真封面是 nth(1)；旧 .first 传错位置导致封面不生效
- set_thumbnail 先清 shepherd 引导浮层，避免拦截选择封面点击
- 完成按钮用 exact 文本，避免误中完成编辑

uploader/douyin_uploader/main.py

@@ -264,12 +264,13 @@ class DouYinBaseUploader(BaseVideoUploader):
 
     async def fill_title_and_description(self, page: Page, title: str, description: str, tags: list[str] | None = None):
         # 2026-06 抖音发布页 DOM：标题=input[placeholder*=填写作品标题]，描述=div.zone-container[contenteditable]
+        # version_2(post/video) 发布页要等视频上传完才渲染表单（实测约 40s），故等待超时给到 120s
         title_input = page.locator('input[placeholder*="填写作品标题"]').first
-        await title_input.wait_for(state="visible", timeout=10000)
+        await title_input.wait_for(state="visible", timeout=120000)
         await title_input.fill(title[:30])
 
         description_editor = page.locator('div.zone-container[contenteditable="true"]').first
-        await description_editor.wait_for(state="visible", timeout=10000)
+        await description_editor.wait_for(state="visible", timeout=120000)
         await description_editor.click()
         await page.keyboard.press("Control+KeyA")
         await page.keyboard.press("Delete")
@@ -467,29 +468,46 @@ class DouYinVideo(DouYinBaseUploader):
             return
 
         douyin_logger.info(_msg("🏃", "小人正在设置视频封面"))
-        await page.click('text="选择封面"', force=True)
+        # 先清掉 shepherd 新手引导浮层，否则它会拦截“选择封面”点击导致弹窗打不开
+        await page.evaluate(
+            "() => document.querySelectorAll('.shepherd-element,.shepherd-modal-overlay-container').forEach(e=>e.remove())"
+        )
+        await page.get_by_text("选择封面", exact=True).first.click(force=True)
         cover_locator_str = 'div.dy-creator-content-modal'
         cover_locator = page.locator(cover_locator_str).first
-        await page.wait_for_selector(cover_locator_str, timeout=15000)
+        await page.wait_for_selector(cover_locator_str, timeout=20000)
 
-        upload_input = cover_locator.locator("input.semi-upload-hidden-input").first
+        await page.wait_for_timeout(1500)
-
+        # version_2 封面弹窗有 4 个隐藏 file input：
-        if self.thumbnail_landscape_path:
+        #   [0]/[1] 左侧“AI生成参考图”上传/替换，[2]/[3] 才是“上传封面”/替换。
-            await page.wait_for_timeout(1000)
+        # 旧代码用 .first 传到了 AI 参考图（不会成为封面）→ 这就是“传了却没封面”的根因。
-            await upload_input.set_input_files(self.thumbnail_landscape_path)
+        # 取 input.semi-upload-hidden-input 的第 2 个（nth(1)），即真正的封面上传输入。
-            await page.wait_for_timeout(2000)
+        cover_upload = cover_locator.locator("input.semi-upload-hidden-input").nth(1)
-            douyin_logger.info(_msg("🖼️", "横版封面上传完成"))
 
         if self.thumbnail_portrait_path:
-            await cover_locator.locator('button:has-text("设置竖封面")').first.click()
+            # 弹窗默认就在“设置竖封面”页；防御性点一下 tab（已激活则忽略）
-            await page.wait_for_timeout(1000)
+            try:
-            await upload_input.set_input_files(self.thumbnail_portrait_path)
+                await cover_locator.get_by_text("设置竖封面", exact=True).first.click(timeout=3000)
-            await page.wait_for_timeout(2000)
+                await page.wait_for_timeout(800)
-            douyin_logger.info(_msg("🖼️", "竖版封面上传完成"))
+            except Exception:
+                pass
+            await cover_upload.set_input_files(self.thumbnail_portrait_path)
+            await page.wait_for_timeout(3000)
+            douyin_logger.info(_msg("🖼️", "竖版封面已上传到预览"))
+        elif self.thumbnail_landscape_path:
+            try:
+                await cover_locator.get_by_text("设置横封面", exact=True).first.click(timeout=3000)
+                await page.wait_for_timeout(800)
+            except Exception:
+                pass
+            await cover_upload.set_input_files(self.thumbnail_landscape_path)
+            await page.wait_for_timeout(3000)
+            douyin_logger.info(_msg("🖼️", "横版封面已上传到预览"))
 
-        await cover_locator.locator('button:has-text("完成")').first.click()
+        # 点红色主按钮“完成”应用封面（exact 避免误中“完成编辑”）
+        await cover_locator.get_by_role("button", name="完成", exact=True).first.click()
         douyin_logger.info(_msg("🥳", "视频封面设置完成"))
-        await cover_locator.wait_for(state="detached", timeout=15000)
+        await cover_locator.wait_for(state="detached", timeout=20000)
 
     async def upload(self, playwright: Playwright) -> None:
         douyin_logger.info(_msg("🧍", "小人先检查 cookie、视频文件、封面和发布时间"))
@@ -508,6 +526,8 @@ class DouYinVideo(DouYinBaseUploader):
         douyin_logger.info(_msg("🏃", f"小人开始搬运视频: {self.title}.mp4"))
         douyin_logger.info(_msg("🧭", "小人正在赶往上传主页"))
         await page.wait_for_url("https://creator.douyin.com/creator-micro/content/upload")
+        # wait_for_url 完成时上传页可能尚未渲染出文件 input（实测偶发），先等它挂载再 set_input_files
+        await page.wait_for_selector("div[class^='container'] input", state="attached", timeout=60000)
         await page.locator("div[class^='container'] input").set_input_files(self.file_path)
 
         while True: