feat: 视频脚本添加分镜最后一个按钮不隐藏-自带脚本移除上传文件

core/frontend/src/pipeline-page.css

@@ -220,6 +220,8 @@
   .shot-insert-gap .add-shot-btn svg { width: 12px; height: 12px; }
   .shot-insert-gap:hover .add-shot-btn { opacity: 1; transform: translateY(0) scale(1); pointer-events: auto; }
   .shot-insert-gap .add-shot-btn:hover { background: var(--heat-12); border-style: solid; border-color: var(--heat); }
+  .shot-insert-gap--bottom { height: 72px; padding: 14px 0; }
+  .shot-insert-gap--bottom .add-shot-btn { opacity: 1; transform: translateY(0) scale(1); pointer-events: auto; }
 
   /* ── Stage 4 · 视频详情弹窗(对齐设计稿 video-detail-modal) ── */
   .asset-modal-bg { position: fixed; inset: 0; background: rgba(0,0,0,.4); z-index: 1010; display: flex; align-items: center; justify-content: center; padding: 40px; }

core/frontend/src/routes/pipeline.tsx

@@ -1451,6 +1451,10 @@ export function PipelinePage(props: {
     }
     if (setupSource === "manual") {
       const base = chatText.trim();
+      if (!base) {
+        chatTextareaRef.current?.focus();
+        return;
+      }
       setChatText("");
       await runScriptGeneration(`${base ? `${base}\n` : ""}据此整理成镜头脚本。风格:${styleLabel},目标人群:${personaLabel}`, `自带脚本 · ${styleLabel} · ${personaLabel}`, "manual");
       return;
@@ -1513,7 +1517,13 @@ export function PipelinePage(props: {
     setSetupOpen(true);
     // 一句话主题:开卡时不再 push 提示(否则 chatMsgs 非空,点返回就回不到三选项);
     // 主题改成在「确定」(确认风格/人物)之后由模型来问,更像对话流。
-    if (source === "manual") { pickScriptMode(); }
+    if (source === "manual") {
+      setChatText("");
+      setChatAttachments([]);
+      window.setTimeout(() => chatTextareaRef.current?.focus(), 0);
+    }
+    // 文件上传入口先保留,当前「自带脚本」改为粘贴文本。
+    // if (source === "manual") { pickScriptMode(); }
   }
   function pickScriptMode() {
     setChatMode("manual");
@@ -2668,7 +2678,7 @@ export function PipelinePage(props: {
                               onCommit={(d) => { setDraftShots((list) => list.filter((x) => x.id !== d.id)); if ((d.narration || d.visual).trim()) void onAddShot(d.afterId || shot.id, { narration: d.narration, visual_prompt: d.visual }); }}
                               onCancel={(id) => setDraftShots((list) => list.filter((x) => x.id !== id))} />
                           ))}
-                          <div className="shot-insert-gap">
+                          <div className={`shot-insert-gap${index === shots.length - 1 ? " shot-insert-gap--bottom" : ""}`}>
                             <button className="add-shot-btn" type="button" disabled={loading} onClick={() => setDraftShots((list) => [...list, { id: `draft-${Date.now()}`, afterId: shot.id, narration: "", visual: "" }])}>
                               <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="1.5" strokeLinecap="round" strokeLinejoin="round"><path d="M12 5v14M5 12h14" /></svg>添加分镜
                             </button>
@@ -2738,7 +2748,7 @@ export function PipelinePage(props: {
                                 setSetupStyle(SETUP_STYLE_KEYS[Math.floor(Math.random() * SETUP_STYLE_KEYS.length)] || setupStyle);
                                 setSetupPersona(SETUP_PERSONA_KEYS[Math.floor(Math.random() * SETUP_PERSONA_KEYS.length)] || setupPersona);
                               }}>重新推荐</button>
-                              <button type="button" className="btn btn-primary btn-sm" disabled={loading} onClick={() => void runScriptWithSetup()}>确定</button>
+                              <button type="button" className="btn btn-primary btn-sm" disabled={loading || (setupSource === "manual" && !chatText.trim())} onClick={() => void runScriptWithSetup()}>确定</button>
                             </div>
                           </div>
                           <div className="time">{nowHm()}</div>
@@ -2777,7 +2787,7 @@ export function PipelinePage(props: {
                         </span>
                       ))}
                     </div>
-                    <textarea ref={chatTextareaRef} className="chat-input-area" id="chat-textarea" placeholder={chatMode === "theme" ? "用一句话描述主题,如:熬夜党的早八续命面膜 ·（Enter 发送 / Shift+Enter 换行)" : chatMode === "manual" ? "粘贴或上传你的脚本,AI 将据此生成镜头脚本 ·（Enter 发送）" : "直接说怎么改,如:更像小红书种草 / 换成熬夜党 ·（Enter 发送）"} rows={2} value={chatText} onChange={(event) => setChatText(event.target.value)}
+                    <textarea ref={chatTextareaRef} className="chat-input-area" id="chat-textarea" placeholder={chatMode === "theme" ? "用一句话描述主题,如:熬夜党的早八续命面膜 ·（Enter 发送 / Shift+Enter 换行)" : chatMode === "manual" ? "粘贴你的脚本,AI 将据此生成镜头脚本 ·（Enter 发送）" : "直接说怎么改,如:更像小红书种草 / 换成熬夜党 ·（Enter 发送）"} rows={2} value={chatText} onChange={(event) => setChatText(event.target.value)}
                       onKeyDown={(event) => {
                         // 行31 · Enter 发送,Shift+Enter 换行(输入法组合期不触发)
                         if (event.key === "Enter" && !event.shiftKey && !event.nativeEvent.isComposing) {
@@ -2785,11 +2795,15 @@ export function PipelinePage(props: {
                           submitChat();
                         }
                       }}></textarea>
+                    {/* 文件上传入口先保留,当前自带脚本改为粘贴文本。
                     <input ref={chatFileRef} type="file" accept=".txt,.md,.text,text/plain" style={{ display: "none" }} onChange={onPickScriptFile} />
+                    */}
                     <div className="chat-input-foot">
+                      {/* 文件上传按钮先保留,当前自带脚本改为粘贴文本。
                       <button className="chat-icon-btn" id="chat-upload-btn" type="button" title="上传脚本附件" aria-label="上传脚本附件" onClick={() => chatFileRef.current?.click()}>
                         <svg width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="1.5" strokeLinecap="round" strokeLinejoin="round"><path d="M12 5v14M5 12h14" /></svg>
                       </button>
+                      */}
                       {/* 模型选择小按钮(输入框下方,对齐 ChatGPT/Lovart)· 复用 restraint chip 下拉,向上展开 */}
                       {textModels && textModels.length > 0 ? (
                         <div className={`chip-wrap chat-model-pick${modelMenuOpen ? " open" : ""}`}>