优化全能创作

core/backend/airshelf/settings/base.py

@@ -1,5 +1,7 @@
 from pathlib import Path
 import os
+import sys
+from urllib.parse import urlsplit
 
 from dotenv import load_dotenv
 
@@ -12,6 +14,20 @@ def env(name: str, default: str | None = None) -> str | None:
     return os.getenv(name, default)
 
 
+def redis_url(name: str, database: int) -> str:
+    """本机运行时把 Docker 内部 Redis 主机名映射到已启动的本机 Redis。
+
+    容器/Linux 与其他显式配置保持原样；不读取或输出 URL 中的凭证。
+    """
+    fallback = f"redis://127.0.0.1:6379/{database}"
+    configured = env(name, fallback) or fallback
+    if sys.platform == "darwin" and urlsplit(configured).hostname == "yingqing-redis":
+        # Celery 自身也优先读取 CELERY_BROKER_URL 环境变量，只改 Django settings 不够。
+        os.environ[name] = fallback
+        return fallback
+    return configured
+
+
 def env_bool(name: str, default: bool = False) -> bool:
     value = os.getenv(name)
     if value is None:
@@ -191,12 +207,12 @@ CORS_ALLOW_CREDENTIALS = True
 CACHES = {
     "default": {
         "BACKEND": "django.core.cache.backends.redis.RedisCache",
-        "LOCATION": env("REDIS_CACHE_URL", "redis://127.0.0.1:6379/0"),
+        "LOCATION": redis_url("REDIS_CACHE_URL", 0),
     }
 }
 
-CELERY_BROKER_URL = env("CELERY_BROKER_URL", "redis://127.0.0.1:6379/1")
-CELERY_RESULT_BACKEND = env("CELERY_RESULT_BACKEND", "redis://127.0.0.1:6379/2")
+CELERY_BROKER_URL = redis_url("CELERY_BROKER_URL", 1)
+CELERY_RESULT_BACKEND = redis_url("CELERY_RESULT_BACKEND", 2)
 # 本地端到端联调开关:true = 任务同进程内联执行,不碰共享 Redis 队列(线上 worker 拓扑不受影响)。
 # 生产/集群绝不开;test.py 恒为 True。自重排类任务(poll_free_video_task)在 eager 下会跳过重排防递归。
 CELERY_TASK_ALWAYS_EAGER = str(env("CELERY_TASK_ALWAYS_EAGER", "false")).lower() == "true"
@@ -236,7 +252,7 @@ CREATION_AGENT_MAX_OUTPUT_TOKENS = env_int("CREATION_AGENT_MAX_OUTPUT_TOKENS", 1
 # 置空则不下发、跟随模型默认(= 开思考),仅在需要对比质量时才这么配。
 CREATION_AGENT_THINKING_MODE = (env("CREATION_AGENT_THINKING_MODE", "disabled") or "").strip()
 
-REDIS_LOCK_URL = env("REDIS_LOCK_URL", "redis://127.0.0.1:6379/3")
+REDIS_LOCK_URL = redis_url("REDIS_LOCK_URL", 3)
 
 def _tos_region() -> str:
     """阿里云 OSS 的 S3 签名区域是 oss-cn-beijing 这种主机名前缀。火山 TOS 仍用 cn-shanghai。"""

core/backend/apps/ai/creation.py

@@ -83,7 +83,7 @@ def _meta_from_task(task, message: CreationMessage) -> dict:
         model = task.model_config.display_name or task.model_config.name
     return {
         "model": model or payload.get("model") or req.get("model") or "",
-        "ratio": req.get("ratio") or payload.get("ratio") or "",
+        "ratio": req.get("aspect_ratio") or req.get("ratio") or payload.get("ratio") or "",
         "prompt": payload.get("prompt") or req.get("prompt") or "",
     }
 
@@ -103,11 +103,15 @@ def _message_task(message: CreationMessage):
 @transaction.atomic
 def fail_generating_message(message: CreationMessage, error: str) -> CreationMessage:
     """生成失败:GENERATING 原地改成 ERROR,不另开一条,避免中间态刷屏。"""
+    # worker 与会话轮询可能同时回填同一条消息；先锁会话再锁消息，和 append_message 的锁顺序一致。
+    conversation = CreationConversation.objects.select_for_update().get(pk=message.conversation_id)
+    message = CreationMessage.objects.select_for_update().get(pk=message.pk)
+    if message.kind != CreationMessage.Kind.GENERATING:
+        return message
     is_person_reference = (message.payload or {}).get("kind") == "person_reference"
     message.kind = CreationMessage.Kind.ERROR
     message.text = (error or "生成失败")[:500]
     message.save(update_fields=["kind", "text", "updated_at"])
-    conversation = message.conversation
     if is_person_reference:
         memory = dict(conversation.memory or {})
         memory["person_source_pending"] = False
@@ -443,6 +447,7 @@ def start_segmented_video_merge(*, conversation: CreationConversation, message:
             "source_message_id": str(message.id),
             "source_task_ids": task_ids,
             "prompt": payload.get("prompt") or "",
+            "aspect_ratio": payload.get("ratio") or (source_tasks[0].request_payload or {}).get("aspect_ratio") or "",
         },
     )
     payload["merge_state"] = "queued"
@@ -453,7 +458,11 @@ def start_segmented_video_merge(*, conversation: CreationConversation, message:
         conversation,
         role="assistant",
         kind=CreationMessage.Kind.GENERATING,
-        payload={"task_id": str(merge_task.id), "kind": "video_merge", "prompt": payload.get("prompt") or ""},
+        payload={
+            "task_id": str(merge_task.id), "kind": "video_merge",
+            "prompt": payload.get("prompt") or "",
+            "ratio": payload.get("ratio") or (source_tasks[0].request_payload or {}).get("aspect_ratio") or "",
+        },
         task=merge_task,
     )
     return merge_task, generating
@@ -573,12 +582,13 @@ def finish_generating_message(message: CreationMessage, *, assets: list[dict], m
     重生成是**新开一条** GENERATING → RESULT,所以对话流仍然是往下叠加;
     这里改的只是同一次生成自己的中间态。
     """
+    # select_for_update 后重读状态：第二个回填者不能凭旧 GENERATING 对象再发一次确认。
+    conversation = CreationConversation.objects.select_for_update().get(pk=message.conversation_id)
+    message = CreationMessage.objects.select_for_update().get(pk=message.pk)
+    if message.kind != CreationMessage.Kind.GENERATING:
+        return message
     original_payload = dict(message.payload or {})
     is_person_reference = original_payload.get("kind") == "person_reference"
-    message.kind = CreationMessage.Kind.RESULT
-    message.payload = {**original_payload, **meta, "assets": assets}
-    message.save(update_fields=["kind", "payload", "updated_at"])
-    conversation = message.conversation
     if is_person_reference:
         from apps.assets.models import Asset, Model
 
@@ -591,6 +601,10 @@ def finish_generating_message(message: CreationMessage, *, assets: list[dict], m
         ).first()
         if asset is None:
             return fail_generating_message(message, "人物参考已生成，但未找到可锁定的图片资产")
+    message.kind = CreationMessage.Kind.RESULT
+    message.payload = {**original_payload, **meta, "assets": assets}
+    message.save(update_fields=["kind", "payload", "updated_at"])
+    if is_person_reference:
         cast_index = int(original_payload.get("cast_index") or 1)
         cast_total = int(original_payload.get("cast_total") or 1)
         cast_model_name = str(original_payload.get("cast_model_name") or "").strip()

core/backend/apps/ai/creation_agent.py

@@ -29,14 +29,17 @@ from django.db import transaction
 
 from .creation import append_message, pin_refs
 from .creation_presets import (
+    LEGACY_PLOT_TWIST_PRESET,
     PLOT_TWIST_PRESET,
     apply_image_preset_prompt,
     apply_plot_twist_story_contract,
     apply_plot_twist_direction_contract,
     format_plot_twist_direction_contract,
     apply_video_preset_prompt,
+    canonical_preset_name,
     is_click_swap_preset,
     is_fish_eye_outfit_preset,
+    is_plot_twist_preset,
     fish_eye_outfit_prompt_template,
     plot_twist_story_depth,
     plot_twist_story_contract,
@@ -255,6 +258,7 @@ _STEP_CONFIRM_LABELS = {
 _PERSON_SOURCE_PRESETS = {
     "痛点解决演示",
     PLOT_TWIST_PRESET,
+    LEGACY_PLOT_TWIST_PRESET,
     "短剧反转带货",
     "达人口播种草",
     "鱼眼换装",
@@ -278,6 +282,7 @@ _CAST_RELATION_AUTO_RE = re.compile(r"(你来定|你安排|你决定|随便|都
 _PRODUCT_REQUIRED_PRESETS = {
     "痛点解决演示",
     PLOT_TWIST_PRESET,
+    LEGACY_PLOT_TWIST_PRESET,
     "达人口播种草",
     "点击换款",
     "多色商品换款",
@@ -290,7 +295,7 @@ _PRODUCT_REQUIRED_PRESETS = {
 
 
 def is_plot_twist_conversation(conversation: CreationConversation) -> bool:
-    return conversation.mode == CreationConversation.Mode.VIDEO and conversation.preset == PLOT_TWIST_PRESET
+    return conversation.mode == CreationConversation.Mode.VIDEO and is_plot_twist_preset(conversation.preset)
 
 
 
@@ -594,6 +599,45 @@ _SELLING_POINT_FOCUS_RE = re.compile(
 _SELLING_POINT_BRIEF_CREATIVE_RE = re.compile(
     r"(?:创作|做[一条]?|视频|帮我|生成|脚本|出片|参考|预设|方向)",
 )
+_BRIEF_CLAUSE_END = r"[^。！？!?；;，,\n]{2,160}"
+_BRIEF_AUDIENCE_RE = re.compile(
+    rf"(?:适用人群|目标人群|目标用户|适合人群|面向人群|受众)\s*(?:是|为|包括|：|:)\s*({_BRIEF_CLAUSE_END})"
+)
+_BRIEF_SCENARIO_RE = re.compile(
+    rf"(?:使用环境|使用场景|适用场景|拍摄场景|发生场景|场景)\s*(?:是|为|包括|设在|设定为|：|:)\s*({_BRIEF_CLAUSE_END})"
+)
+_BRIEF_ACTION_BENEFIT_RE = re.compile(
+    r"(?:^|[。！？!?；;，,]\s*)(?P<action>(?:把|将)[^。！？!?；;，,\n]{2,100}?"
+    r"(?:就|即可|便能|可以)[^。！？!?；;，,\n]{2,100})"
+)
+
+
+def extract_brief_context(text: str) -> dict[str, str]:
+    """只采集用户明确说出的受众、场景和使用动作，不推断价格、功效等商品事实。"""
+    raw = (text or "").strip()
+    found: dict[str, str] = {}
+    for key, pattern in (("target_audience", _BRIEF_AUDIENCE_RE), ("usage_scenario", _BRIEF_SCENARIO_RE)):
+        matches = list(pattern.finditer(raw))
+        if matches:
+            value = matches[-1].group(1).strip(" ：:。；;，, ")
+            if value and not re.match(r"^(?:和|与|及|或)?(?:核心卖点|使用场景|目标用户|价格)$", value):
+                found[key] = value[:160]
+    action = _BRIEF_ACTION_BENEFIT_RE.search(raw)
+    if action and not re.search(r"(?:不要|不能|禁止|别)\s*$", raw[max(0, action.start() - 8):action.start()]):
+        found["usage_benefit"] = action.group("action").strip()[:160]
+    return found
+
+
+def collect_product_brief_context(conversation: CreationConversation, user_text: str = "") -> dict[str, str]:
+    """按消息顺序合并商品 brief，后续补充覆盖先前描述。"""
+    found: dict[str, str] = {}
+    for message_text in conversation.messages.filter(role=CreationMessage.Role.USER).order_by("seq").values_list("text", flat=True):
+        found.update(extract_brief_context(str(message_text or "")))
+    memory = conversation.memory if isinstance(conversation.memory, dict) else {}
+    found.update(extract_brief_context(str(memory.get("product_brief_note") or "")))
+    if user_text:
+        found.update(extract_brief_context(user_text))
+    return found
 
 
 def extract_declared_selling_point(text: str) -> str:
@@ -614,6 +658,11 @@ def extract_declared_selling_point(text: str) -> str:
         value = value.strip("。；;！!？?，,、 ")
         if len(value) >= 2:
             return value[:200]
+    # 用户可能没有说「卖点」二字，却明确描述了商品使用动作及结果。
+    # 这里只复述该动作，不衍生「更快/更健康」等未经证实的功效。
+    action = extract_brief_context(raw).get("usage_benefit", "")
+    if action:
+        return action
     # 整段就是短卖点列表（如「补水保湿，便于携带，买三送一」），且不像创作指令
     if len(raw) <= 80 and not _SELLING_POINT_BRIEF_CREATIVE_RE.search(raw):
         parts = [part.strip() for part in re.split(r"[，,、；;]", raw) if part.strip()]
@@ -655,7 +704,7 @@ def lock_selling_point(
     memory = dict(conversation.memory or {})
     memory["selling_point_ready"] = True
     memory["selling_point_mode"] = mode
-    memory["selling_point"] = selling_point if mode == "manual" else ""
+    memory["selling_point"] = selling_point if mode in {"manual", "inferred"} else ""
     conversation.memory = memory
     conversation.save(update_fields=["memory", "updated_at"])
 
@@ -674,17 +723,19 @@ def ensure_selling_point_ready_from_context(
     if memory.get("selling_point_ready"):
         return True
 
-    candidates: list[str] = []
-    declared = extract_declared_selling_point(user_text)
-    if declared:
-        candidates.append(declared)
+    candidates: list[tuple[str, str]] = []
     for text in conversation.messages.filter(role=CreationMessage.Role.USER).order_by("seq").values_list("text", flat=True):
         found = extract_declared_selling_point(text)
         if found:
-            candidates.append(found)
+            candidates.append((found, "inferred" if found == extract_brief_context(text).get("usage_benefit") else "manual"))
+    for source in (str(memory.get("product_brief_note") or ""), user_text):
+        found = extract_declared_selling_point(source)
+        if found:
+            candidates.append((found, "inferred" if found == extract_brief_context(source).get("usage_benefit") else "manual"))
     if candidates:
         # 以最近一次声明为准（主页首条或后续补充）
-        lock_selling_point(conversation, candidates[-1], mode="manual")
+        selling_point, mode = candidates[-1]
+        lock_selling_point(conversation, selling_point, mode=mode)
         return True
 
     summary = product_selling_points_summary(conversation)
@@ -694,6 +745,17 @@ def ensure_selling_point_ready_from_context(
     return False
 
 
+def record_product_brief_review(conversation: CreationConversation, note: str = "") -> None:
+    """提交商品补充时同步卖点状态，避免选完剧情方向后再次追问已填写的内容。"""
+    memory = dict(conversation.memory or {})
+    memory["product_brief_reviewed"] = True
+    if note:
+        memory["product_brief_note"] = note
+    conversation.memory = memory
+    conversation.save(update_fields=["memory", "updated_at"])
+    ensure_selling_point_ready_from_context(conversation, note)
+
+
 def append_selling_point_gate(conversation: CreationConversation) -> CreationMessage:
     """在视频方案生成前确认卖点来源。
 
@@ -1117,6 +1179,20 @@ def product_brief_items(conversation: CreationConversation) -> list[dict]:
         or ""
     ).strip()
     selling = str(memory.get("selling_point") or "").strip()
+    context = collect_product_brief_context(conversation)
+    audience = context.get("target_audience", "")
+    for ref in products:
+        if audience or ref.get("type") != "product":
+            continue
+        from apps.products.models import Product
+        audience = str(
+            Product.objects.filter(id=ref.get("id"), team_id=conversation.team_id)
+            .values_list("target_audience", flat=True).first() or ""
+        ).strip()
+    scenario = context.get("usage_scenario", "")
+    audience_and_scenario = "；".join(
+        part for part in (f"目标用户：{audience}" if audience else "", f"使用场景：{scenario}" if scenario else "") if part
+    )
 
     def item(label: str, status: str, value: str = "") -> dict:
         return {"label": label, "status": status, "value": value}
@@ -1131,7 +1207,7 @@ def product_brief_items(conversation: CreationConversation) -> list[dict]:
         item("名称与品牌", "ready" if name else "missing", name),
         item("品类与外观", "ready" if products else "missing", "将以已锁定商品图为准" if products else ""),
         item("核心卖点", "ready" if selling else "missing", selling),
-        item("使用场景与目标用户", "missing", ""),
+        item("使用场景与目标用户", "ready" if audience and scenario else "missing", audience_and_scenario),
         item("价格与优惠", "missing" if factual_price_requested else "not_needed", ""),
         item("特别强调或禁止内容", "ready" if special else "not_needed", special),
     ]
@@ -1144,6 +1220,20 @@ def product_brief_needs_review(conversation: CreationConversation) -> bool:
     return has_locked_product_reference(conversation) and not bool(memory.get("product_brief_reviewed"))
 
 
+def accept_complete_product_brief(conversation: CreationConversation) -> bool:
+    """用户和商品库已给足必要信息时，跳过重复的核对问答。"""
+    if not product_brief_needs_review(conversation):
+        return False
+    items = product_brief_items(conversation)
+    if any(item["status"] == "missing" for item in items):
+        return False
+    memory = dict(conversation.memory or {})
+    memory["product_brief_reviewed"] = True
+    conversation.memory = memory
+    conversation.save(update_fields=["memory", "updated_at"])
+    return True
+
+
 def append_product_brief_review(conversation: CreationConversation) -> CreationMessage:
     """商品信息只核对一次；已获取、待补充、暂不需要在一张卡里说清。"""
     return append_message(
@@ -2024,7 +2114,7 @@ def emit_final_confirm_gate(
             },
             "submitted": False,
             "params": snapshot_session_params(conversation),
-            "param_options": confirm_param_options(True),
+            "param_options": confirm_param_options(True, fixed_duration=is_plot_twist_conversation(conversation)),
         },
     )
     set_video_gate_stage(conversation, "confirm", pending_video_prompt=prompt)
@@ -2090,7 +2180,7 @@ video_prompt 是交给出片模型的完整制作文件，不是方案摘要、
 色彩与材质系统：写出主色、材质、皮肤/产品/环境的可见质感。
 打光规则：光源方向、软硬、色温、人物和产品分别如何受光。
 剪辑节奏：列出时间段与 Hook → 证据/体验 → 转化收束的推进逻辑。
-剧情反转带货例外：上述广告节奏让位于完整故事的起因→行动→受阻→升级→反转→结果；商品证据嵌入剧情因果，结局之后才自然收束，不要把 60 秒写成某一场戏的片段。
+短剧带货例外：上述广告节奏让位于完整故事的起因→行动→受阻→升级→反转→结果；商品证据嵌入剧情因果，结局之后才自然收束，不要把 60 秒写成某一场戏的片段。
 声音方向：人声身份、语气、语速、环境声/拟音、背景音乐的进入和收束；人声原文必须分配到对应分镜。
 场景：逐一写清可见地点、前中后景、环境道具与景深。
 主体与参考素材：逐一说明角色、商品、场景的可见身份和一致性要求。多人物时先分行写「角色1：身份、性别、成年年龄段、发型与服装」「角色2：…」，每位角色单独一行，便于逐位生成定妆图；角色外观不得与剧情身份矛盾。已 @ 的素材按 @图片1、@图片2 … 标注其用途；仅引用实际提供的素材。
@@ -3028,6 +3118,8 @@ def apply_explicit_video_duration_from_text(
     """
     if conversation.mode != CreationConversation.Mode.VIDEO:
         return False
+    if is_plot_twist_conversation(conversation):
+        return False
     match = _EXPLICIT_VIDEO_DURATION_RE.search(str(user_text or ""))
     if match is None:
         return False
@@ -3057,6 +3149,8 @@ def apply_session_params(conversation, fields, answers: dict) -> bool:
         stored = _PARAM_TO_STORED.get(str(key), str(key))
         if stored not in {"model", "ratio", "resolution", "duration", "count"}:
             continue
+        if stored == "duration" and is_plot_twist_conversation(conversation):
+            continue
         value = "、".join(raw) if isinstance(raw, list) else str(raw or "").strip()
         if not value or current.get(stored) == value:
             continue
@@ -3094,12 +3188,12 @@ def snapshot_session_params(conversation) -> dict:
     }
 
 
-def confirm_param_options(is_video: bool) -> dict:
+def confirm_param_options(is_video: bool, *, fixed_duration: bool = False) -> dict:
     return {
         "model": VIDEO_MODELS if is_video else IMAGE_MODELS,
         "resolution": RESOLUTIONS if is_video else [],
         "ratio": RATIOS,
-        "duration": VIDEO_DURATIONS if is_video else [],
+        "duration": VIDEO_DURATIONS if is_video and not fixed_duration else [],
         "count": IMAGE_COUNTS if not is_video else [],
     }
 
@@ -3119,7 +3213,11 @@ def apply_confirm_params(conversation, incoming: dict | None) -> tuple[dict, boo
     old_duration = str(current.get("duration") or "")
     old_model = str(current.get("model") or "")
     changed = False
-    for key, raw in (incoming or {}).items():
+    confirmed = dict(incoming or {})
+    if conversation.mode == CreationConversation.Mode.VIDEO and is_plot_twist_conversation(conversation):
+        # 确认卡不开放时长；旧客户端和旧会话也必须回到固定的 60 秒。
+        confirmed["duration"] = "60 秒"
+    for key, raw in confirmed.items():
         if key not in {"model", "ratio", "resolution", "duration", "count"}:
             continue
         value = str(raw or "").strip()
@@ -3248,7 +3346,7 @@ def tool_schemas(context: AgentContext, *, allow_plan: bool = True) -> list[dict
                 "function": {
                     "name": "present_story_directions",
                     "description": (
-                        "剧情反转带货预设默认按 60 秒完整短剧展开，先调用此工具展示 3 个可点击的剧情方向。"
+                        "短剧带货预设默认按 60 秒完整短剧展开，先调用此工具展示 3 个可点击的剧情方向。"
                         "每条都必须有不同的冲突、商品承担的实际作用、反转和情绪；不能只说‘我准备了三个方向’。"
                         "用户点击其一后才可 write_strategy；本工具调用后必须停下来等待选择。"
                     ),
@@ -3319,7 +3417,7 @@ def tool_schemas(context: AgentContext, *, allow_plan: bool = True) -> list[dict
                         "声音/灯光/场景/参考素材锁定、可执行镜头和一致性收束,不要只写大纲。"
                     )
                     + (
-                        f"剧情反转带货须先写【完整故事线】的{plot_beats}，"
+                        f"短剧带货须先写【完整故事线】的{plot_beats}，"
                         f"再按至少{plot_stage_count}段连续时间轴写完整的一集；结尾解决开头的问题，不能只交中间一场戏。"
                         if is_plot_twist_conversation(context.conversation) else ""
                     )
@@ -4055,7 +4153,10 @@ def submit_confirmed_video(*, conversation: CreationConversation, user, confirm_
         # 先落生成中消息，剩余片段会在槽位释放后由分批调度器继续提交。
 
     if len(segments) == 1:
-        message_payload = {"task_id": str(tasks[0].id), "kind": "video", "prompt": prompt}
+        message_payload = {
+            "task_id": str(tasks[0].id), "kind": "video", "prompt": prompt,
+            "ratio": submit["aspect_ratio"],
+        }
     else:
         submitted_by_index = {
             int(segment["index"]): str(task.id)
@@ -4066,6 +4167,7 @@ def submit_confirmed_video(*, conversation: CreationConversation, user, confirm_
             "task_ids": [str(task.id) for task in tasks],
             "kind": "video_segments",
             "prompt": prompt,
+            "ratio": submit["aspect_ratio"],
             "total_duration": total_duration,
             "segments": [
                 {**segment, **({"task_id": submitted_by_index[int(segment["index"])]} if int(segment["index"]) in submitted_by_index else {})}
@@ -4352,6 +4454,11 @@ def build_system_prompt(context: AgentContext, *, allow_plan: bool = True, has_c
                 f"- 商家已确认核心卖点：【{selling_point}】。策略、方案、脚本和出片指令必须围绕它展开；"
                 "只补充可从素材或正常使用中证明的支撑，不得替换或夸大。"
             )
+        elif selling_mode == "inferred" and selling_point:
+            lines.append(
+                f"- 从用户原话归纳出的商品使用动作：【{selling_point}】。可作为创意切入点，"
+                "但不是已核实的功效、规格或价格；不得放大成未经证实的商品承诺。"
+            )
         elif selling_mode == "auto":
             lines.append(
                 "- 商家已授权系统推荐卖点。你必须从商品资料、可见素材和正常使用动作中选择一个最易证明的核心卖点；"
@@ -4360,6 +4467,11 @@ def build_system_prompt(context: AgentContext, *, allow_plan: bool = True, has_c
         product_note = str(memory.get("product_brief_note") or "").strip()
         if product_note:
             lines.append(f"- 用户在商品信息核对卡补充的真实事实：【{product_note}】。后续架构与 Prompt 必须沿用。")
+        brief_context = collect_product_brief_context(conversation)
+        if brief_context.get("target_audience"):
+            lines.append(f"- 用户指定的目标人群：【{brief_context['target_audience']}】。视频架构和 Prompt 必须体现。")
+        if brief_context.get("usage_scenario"):
+            lines.append(f"- 用户指定的使用/拍摄场景：【{brief_context['usage_scenario']}】。视频架构和 Prompt 必须体现。")
         lines.append(
             "- 品牌、商品名、价格、优惠、规格、功效属于事实：缺失时只能询问或标待补充，"
             "禁止用三个创意选项让用户从虚构事实里选择。创意方向可以给 3 个基于已知商品的建议并允许自定义。"
@@ -4411,7 +4523,7 @@ def build_system_prompt(context: AgentContext, *, allow_plan: bool = True, has_c
     if conversation.preset:
         # 只给名字模型只能靠猜;把这个预设的拍法约束一起给它
         guidance = preset_guidance(conversation.preset)
-        lines.append(f"\n【创作预设】{conversation.preset}")
+        lines.append(f"\n【创作预设】{canonical_preset_name(conversation.preset)}")
         if context.is_video:
             lines.append(
                 "预设必须贯穿本次对话：据此判断该补问哪些必要事实和素材、给什么创意选择、"
@@ -4423,7 +4535,7 @@ def build_system_prompt(context: AgentContext, *, allow_plan: bool = True, has_c
         if is_plot_twist_conversation(conversation):
             depth = active_plot_twist_story_depth(conversation)
             if not depth:
-                lines.append("剧情反转带货默认 60 秒完整短剧；不要追问开场时长，先按 60 秒核对商品，再展示剧情方向。")
+                lines.append("短剧带货默认 60 秒完整短剧；不要追问开场时长，先按 60 秒核对商品，再展示剧情方向。")
             else:
                 lines.append(plot_twist_story_contract(depth))
                 memory = conversation.memory if isinstance(conversation.memory, dict) else {}
@@ -5112,6 +5224,7 @@ def iter_creation_agent_events(
             yield {"type": "done"}
             return
 
+        accept_complete_product_brief(conversation)
         if product_brief_needs_review(conversation):
             question = append_product_brief_review(conversation)
             set_video_gate_stage(conversation, "clarify")
@@ -5917,7 +6030,7 @@ def _dispatch_tool(
 
     if name == "present_story_directions":
         if not is_plot_twist_conversation(context.conversation):
-            return {"payload": {"error": "当前会话不是剧情反转带货预设"}}, False
+            return {"payload": {"error": "当前会话不是短剧带货预设"}}, False
         directions = _coerce_plot_twist_directions(args.get("directions"))
         if not directions:
             return {
@@ -5955,7 +6068,7 @@ def _dispatch_tool(
             return {
                 "payload": {
                     "error": (
-                        "剧情反转带货必须先选定剧情方向：调用 present_story_directions 展示 3 张方向卡，"
+                        "短剧带货必须先选定剧情方向：调用 present_story_directions 展示 3 张方向卡，"
                         "等用户选择后再写策略。不得自行编造未选中的故事桥段。"
                     )
                 }
@@ -6061,7 +6174,7 @@ def _dispatch_tool(
             else:
                 return {
                     "payload": {
-                        "error": "剧情反转带货必须先选定剧情方向，再写方案。请先 present_story_directions 让用户选择。"
+                        "error": "短剧带货必须先选定剧情方向，再写方案。请先 present_story_directions 让用户选择。"
                     }
                 }, False
         if not card["usp"] or not card["points"]:

core/backend/apps/ai/creation_presets.py

@@ -11,6 +11,20 @@ from __future__ import annotations
 import re
 
 CLICK_SWAP_PRESETS = frozenset({"点击换款", "点触换款", "多色商品换款"})
+PLOT_TWIST_PRESET = "短剧带货"
+LEGACY_PLOT_TWIST_PRESET = "剧情反转带货"
+
+
+def is_plot_twist_preset(name: str | None) -> bool:
+    """新旧预设名称执行同一套短剧流程，兼容已保存的历史会话。"""
+    return str(name or "").strip() in {PLOT_TWIST_PRESET, LEGACY_PLOT_TWIST_PRESET}
+
+
+def canonical_preset_name(name: str | None) -> str:
+    raw = str(name or "").strip()
+    return PLOT_TWIST_PRESET if raw == LEGACY_PLOT_TWIST_PRESET else raw
+
+
 _CLICK_SWAP_FINGER_GUIDANCE = (
     "形态：只出手指出镜。固定机位的商品点击换款短片。必须先确认要展示的颜色/款式/SKU 及顺序，"
     "画面只围绕同一件商品的逐款切换：机位、背景与灯光稳定，商品构图稳定。"
@@ -39,8 +53,8 @@ VIDEO_PRESETS: dict[str, str] = {
         "没有明确的防漏/承重/容量事实时，不用装水、尖锐物或超载来证明性能。"
         "用户没给关键功能或使用边界时，只问一次缺失事实；其余镜头用可观察的正常动作补齐。"
     ),
-    "剧情反转带货": (
-        "剧情反转带货不是给商品套一个故事壳。商品必须作为解决困境、解除误会、证明事实、完成翻盘或回收伏笔的关键物，"
+    PLOT_TWIST_PRESET: (
+        "短剧带货不是给商品套一个故事壳。商品必须作为解决困境、解除误会、证明事实、完成翻盘或回收伏笔的关键物，"
         "并在最终 Prompt、镜头、动作、对白和反转结果中反复可见地承担这个作用。"
         "不得在故事结束后突然停下来介绍商品，也不能只在最后两秒放商品图。"
         "开场默认按 60 秒完整短剧结构写人物关系、持续冲突、商品介入时机、反转和情绪落点，不追问 15/30 秒故事深度；"
@@ -100,9 +114,6 @@ VIDEO_PRESETS: dict[str, str] = {
     ),
 }
 
-
-PLOT_TWIST_PRESET = "剧情反转带货"
-
 # 保留旧会话 15/30 秒的稳定标识以便回放；新会话不再展示故事深度选择卡。
 PLOT_TWIST_STORY_DEPTH_OPTIONS = (
     {
@@ -164,7 +175,7 @@ def plot_twist_story_contract(value: str) -> str:
         depth = _PLOT_TWIST_DEPTH_BY_VALUE["60s"]
     if depth["value"] == "15s":
         return (
-            "【剧情反转带货·15秒快节奏反转·强制执行】虽短也要有开端、冲突、反转和明确结局，不能只截取一场戏；"
+            "【短剧带货·15秒快节奏反转·强制执行】虽短也要有开端、冲突、反转和明确结局，不能只截取一场戏；"
             "只保留一条主冲突，主角 1 人、最多 1 名辅助人物。"
             "0-3 秒强冲突或意外，3-6 秒问题升级，6-11 秒商品以正常使用动作介入并证明一个核心卖点，"
             "11-15 秒完成结果反转与自然行动引导。商品必须在中段前出现；对白短、直接、有记忆点；"
@@ -172,7 +183,7 @@ def plot_twist_story_contract(value: str) -> str:
         )
     if depth["value"] == "30s":
         return (
-            "【剧情反转带货·30秒轻剧情带货·强制执行】写完人物目标从开端、冲突、反转到结局的因果线，"
+            "【短剧带货·30秒轻剧情带货·强制执行】写完人物目标从开端、冲突、反转到结局的因果线，"
             "不可只写故事中段；必须交代人物处境，可设置两人互动。"
             "0-4 秒抛出结果预告或冲突钩子，4-10 秒建立处境，10-17 秒让矛盾升级或一次错误尝试，"
             "17-24 秒商品在转折点以完整正常使用过程介入，24-28 秒回收反转与人物反应，28-30 秒自然收束。"
@@ -180,7 +191,7 @@ def plot_twist_story_contract(value: str) -> str:
         )
     if depth["value"] == "60s":
         return (
-            "【剧情反转带货·60秒完整短剧带货·强制执行】这是一集有开端和结局的独立短剧，不是一部长剧中截取的一段。"
+            "【短剧带货·60秒完整短剧带货·强制执行】这是一集有开端和结局的独立短剧，不是一部长剧中截取的一段。"
             "先写【完整故事线】，依次写清开端、冲突、升级、反转、结局；每一段都有前因后果，人物目标和关系最终有结果。"
             "0-5 秒可以用结果闪前作钩子，但随后必须回到故事起因；5-15 秒交代关系、目标与处境；"
             "15-28 秒发生具体阻碍并升级；28-38 秒主角尝试、失败或作出选择；"
@@ -191,7 +202,7 @@ def plot_twist_story_contract(value: str) -> str:
         )
     if depth["value"] == "180s":
         return (
-            "【剧情反转带货·180秒三幕完整故事·强制执行】全片按三个连续 60 秒章节推进，不能把三条短片简单拼接。"
+            "【短剧带货·180秒三幕完整故事·强制执行】全片按三个连续 60 秒章节推进，不能把三条短片简单拼接。"
             "第一章 0-60 秒：0-8 秒以结果预告或关系冲突抓人，8-28 秒建立人物目标与现实阻力，"
             "28-48 秒埋入商品/SKU 与一个可见卖点证据，48-60 秒用第一次选择或失败把行动推入下一章。"
             "第二章 60-120 秒：承接上一章未完成动作，扩大矛盾并安排一次错误尝试；商品通过正常使用过程提供新的证据，"
@@ -207,7 +218,7 @@ def plot_twist_story_contract(value: str) -> str:
 def apply_plot_twist_story_contract(name: str, story_depth: str, prompt: str) -> str:
     """在最终出片指令里确定性追加所选故事深度，避免模型漏写关键结构。"""
     base = str(prompt or "").strip()
-    if (name or "").strip() != PLOT_TWIST_PRESET or not base:
+    if not is_plot_twist_preset(name) or not base:
         return base
     contract = plot_twist_story_contract(story_depth)
     if not contract or contract in base:
@@ -277,7 +288,7 @@ def apply_plot_twist_direction_contract(prompt: str, *, title: str = "", conflic
 VIDEO_PRESET_WORKFLOWS: dict[str, str] = {
     "痛点解决演示": "先确认商品真实解决的具体问题与正常用法；生成前核对痛点、过程和结果都有可见证据。",
     "真实使用演示": "优先核对商品真实用途、关键步骤和可证实卖点；不为氛围而增加不合理测试。",
-    "剧情反转带货": "默认按 60 秒完整短剧带货创作，不在开头追问或展示 15/30 秒故事深度选择；核对商品信息后给三个完整剧情方向。商品必须成为解决问题、解除误会、证明事实、回收伏笔或完成翻盘的关键。",
+    PLOT_TWIST_PRESET: "默认按 60 秒完整短剧带货创作，不在开头追问或展示 15/30 秒故事深度选择；核对商品信息后给三个完整剧情方向。商品必须成为解决问题、解除误会、证明事实、回收伏笔或完成翻盘的关键。",
     "商品拟人广告": "先确认商品外观和性格表达方式；默认无脸拟人，商品保持真实完整，台词用画外声。",
     "达人口播种草": "优先确认人物、多人出镜关系、真实体验和主卖点；生成前核对口播字数能在时长内说完，每个卖点都有画面证明。",
     "商品图一键成片": "优先从商品参考图锁定外观；自动补场景和动作，但不替换或改变用户商品图里的结构、颜色和包装。",
@@ -304,8 +315,8 @@ VIDEO_PRESET_DELIVERY_CONTRACTS: dict[str, str] = {
         "【预设执行层·真实使用演示】像一镜到底可复核的日常实拍：先交代真实场景，再按正确用途完成步骤，"
         "用近景展示材质、动作或结果。商品全程保持正常完整；不以破损、漏液、渗水、超载或超出用途的测试制造戏剧性。"
     ),
-    "剧情反转带货": (
-        "【预设执行层·剧情反转带货】按同一条完整故事线连续推进开端、冲突、升级、反转和结局；"
+    PLOT_TWIST_PRESET: (
+        "【预设执行层·短剧带货】按同一条完整故事线连续推进开端、冲突、升级、反转和结局；"
         "人物关系、目标与情绪在每个关键镜头都有因果变化，结尾回收开头问题而非停在故事中段。"
         "商品不是摆拍道具：必须充当解决问题的工具、解除误会的证据、关系变化的礼物或回收伏笔的关键物；"
         "商品出现、使用和结果必须直接改变剧情走向，禁止剧情结束后再硬插卖点。"
@@ -411,12 +422,12 @@ ALL_PRESETS: dict[str, str] = {**VIDEO_PRESETS, **IMAGE_PRESETS}
 def preset_guidance(name: str) -> str:
     """预设名 → 拍法约束。认不出的名字返回 "" —— 前端加了新卡但这里还没写时,
     退回「只有名字」的行为,不要报错。"""
-    return ALL_PRESETS.get((name or "").strip(), "")
+    return ALL_PRESETS.get(canonical_preset_name(name), "")
 
 
 def preset_workflow_guidance(name: str) -> str:
     """预设名 → Agent 的素材、追问和检查重点。"""
-    return VIDEO_PRESET_WORKFLOWS.get((name or "").strip(), "")
+    return VIDEO_PRESET_WORKFLOWS.get(canonical_preset_name(name), "")
 
 
 _CLICK_SWAP_FINGER_CONTRACT = (
@@ -439,7 +450,7 @@ _CLICK_SWAP_CHARACTER_CONTRACT = (
 
 def video_preset_delivery_contract(name: str, *, click_swap_mode: str = "") -> str:
     """预设名 → 最终视频生成阶段必须执行的结构与镜头约束。"""
-    preset = (name or "").strip()
+    preset = canonical_preset_name(name)
     if preset in CLICK_SWAP_PRESETS:
         if (click_swap_mode or "").strip() == "character":
             return _CLICK_SWAP_CHARACTER_CONTRACT
@@ -546,13 +557,13 @@ def scrub_click_swap_same_position_wording(text: str) -> str:
 def apply_video_preset_prompt(name: str, prompt: str, *, click_swap_mode: str = "") -> str:
     """把视频预设确定性并入最终出片指令，避免只依赖对话模型主动复述。"""
     base = str(prompt or "").strip()
-    preset = (name or "").strip()
+    preset = canonical_preset_name(name)
     mode = (click_swap_mode or "").strip()
     contract = video_preset_delivery_contract(preset, click_swap_mode=mode)
     if not base or not contract:
         return base
     marker = f"【视频预设】{preset}"
-    if marker in base:
+    if marker in base or (is_plot_twist_preset(name) and f"【视频预设】{LEGACY_PLOT_TWIST_PRESET}" in base):
         return base
     if is_click_swap_preset(preset):
         if mode == "character":

core/backend/apps/ai/serializers.py

@@ -1,6 +1,6 @@
 from rest_framework import serializers
 
-from .creation_presets import PLOT_TWIST_PRESET
+from .creation_presets import is_plot_twist_preset
 from .models import (
     AITask,
     CreationConversation,
@@ -248,18 +248,20 @@ class CreationConversationSerializer(serializers.ModelSerializer):
         return progress
 
     def create(self, validated_data):
-        # 剧情反转带货的新会话直接以完整短剧的 60 秒开场，不再弹故事深度选择。
-        # 旧客户端仍传「智能时长」时也要在服务端落成确定参数。
-        if validated_data.get("mode") == CreationConversation.Mode.VIDEO and validated_data.get("preset") == PLOT_TWIST_PRESET:
+        # 短剧带货现阶段固定为完整的 60 秒短剧，旧客户端传任何时长也不能覆盖。
+        if validated_data.get("mode") == CreationConversation.Mode.VIDEO and is_plot_twist_preset(validated_data.get("preset")):
             params = dict(validated_data.get("params") or {})
-            if not str(params.get("duration") or "").strip() or str(params.get("duration")).strip() == "智能时长":
-                params["duration"] = "60 秒"
+            params["duration"] = "60 秒"
             validated_data["params"] = params
         return super().create(validated_data)
 
     def update(self, instance, validated_data):
         # mode 定死:允许传但忽略,避免前端误改后顶栏参数与已生成内容对不上
         validated_data.pop("mode", None)
+        if instance.mode == CreationConversation.Mode.VIDEO and is_plot_twist_preset(validated_data.get("preset", instance.preset)):
+            params = dict(validated_data.get("params", instance.params) or {})
+            params["duration"] = "60 秒"
+            validated_data["params"] = params
         return super().update(instance, validated_data)
 
 

core/backend/apps/ai/test_creation_agent.py

@@ -4,6 +4,7 @@
 工具调用拼装、追问中断、计费闸门、参考图带入、错误不打崩流。
 """
 import json
+from types import SimpleNamespace
 from unittest.mock import patch
 
 import requests
@@ -30,6 +31,9 @@ from .creation_agent import (
     apply_pain_point_direction,
     ensure_selling_point_ready_from_context,
     extract_declared_selling_point,
+    extract_brief_context,
+    product_brief_items,
+    accept_complete_product_brief,
     apply_restart_intent,
     apply_person_identity_guard,
     apply_product_reference_guard,
@@ -60,6 +64,7 @@ from .creation_agent import (
     resolve_smart_video_duration,
     is_continue_intent,
     is_greeting,
+    is_plot_twist_conversation,
     is_pure_chitchat,
     is_restart_intent,
     session_has_creative_context,
@@ -623,6 +628,17 @@ class PersonReferenceCompletionTests(CreationAgentBaseTests):
             is_primary=True,
         )
 
+        finish_generating_message(
+            generating,
+            assets=[{
+                "id": str(asset.id),
+                "url": "https://cdn.example/person-generated.jpg",
+                "cover": "https://cdn.example/person-generated.jpg",
+                "type": "image",
+            }],
+            meta={"prompt": "person"},
+        )
+        # worker 与页面轮询都拿着旧的 GENERATING 对象回填时，只能出现一次确认。
         finish_generating_message(
             generating,
             assets=[{
@@ -646,6 +662,9 @@ class PersonReferenceCompletionTests(CreationAgentBaseTests):
         self.assertTrue(
             self.conversation.messages.filter(text__contains="是否使用这个角色").exists()
         )
+        self.assertEqual(
+            self.conversation.messages.filter(text__contains="是否使用这个角色").count(), 1
+        )
 
     def test_platform_person_submission_uses_model_mode(self):
         task = AITask.objects.create(
@@ -1831,6 +1850,67 @@ class VideoPlanAndConfirmTests(CreationAgentBaseTests):
         self.assertEqual(conversation.params["duration"], "60 秒")
         self.assertEqual(conversation.params["ratio"], "9:16")
 
+    def test_short_drama_new_name_and_legacy_name_share_the_same_workflow(self):
+        from apps.ai.creation_presets import (
+            PLOT_TWIST_PRESET,
+            apply_plot_twist_story_contract,
+            apply_video_preset_prompt,
+            preset_guidance,
+            preset_workflow_guidance,
+            video_preset_delivery_contract,
+        )
+        from apps.ai.serializers import CreationConversationSerializer
+
+        self.assertEqual(PLOT_TWIST_PRESET, "短剧带货")
+        for name in ("短剧带货", "剧情反转带货"):
+            self.conversation.preset = name
+            self.assertTrue(is_plot_twist_conversation(self.conversation))
+            self.assertEqual(preset_guidance(name), preset_guidance("短剧带货"))
+            self.assertEqual(preset_workflow_guidance(name), preset_workflow_guidance("短剧带货"))
+            self.assertEqual(video_preset_delivery_contract(name), video_preset_delivery_contract("短剧带货"))
+            self.assertIn("【短剧带货·60秒", apply_plot_twist_story_contract(name, "60s", "完整短剧提示词"))
+            self.assertIn("【视频预设】短剧带货", apply_video_preset_prompt(name, "完整短剧提示词"))
+
+        serializer = CreationConversationSerializer(data={
+            "title": "短剧带货",
+            "mode": "video",
+            "preset": "短剧带货",
+            "params": {"ratio": "9:16"},
+        })
+        self.assertTrue(serializer.is_valid(), serializer.errors)
+        created = serializer.save(team=self.team, created_by=self.user)
+        self.assertEqual(created.params["duration"], "60 秒")
+
+        # 即使旧客户端在创建/修改会话时仍传其他时长，短剧也保持 60 秒。
+        serializer = CreationConversationSerializer(data={
+            "title": "短剧带货", "mode": "video", "preset": "短剧带货",
+            "params": {"duration": "15 秒", "ratio": "9:16"},
+        })
+        self.assertTrue(serializer.is_valid(), serializer.errors)
+        fixed = serializer.save(team=self.team, created_by=self.user)
+        self.assertEqual(fixed.params["duration"], "60 秒")
+        serializer = CreationConversationSerializer(fixed, data={"params": {"duration": "30 秒"}}, partial=True)
+        self.assertTrue(serializer.is_valid(), serializer.errors)
+        self.assertEqual(serializer.save().params["duration"], "60 秒")
+
+    def test_short_drama_confirm_duration_is_fixed_and_legacy_session_rebuilds(self):
+        from .creation_agent import apply_confirm_params, confirm_param_options
+
+        self.conversation.preset = "短剧带货"
+        self.conversation.params = {**self.conversation.params, "duration": "60 秒"}
+        self.conversation.save(update_fields=["preset", "params", "updated_at"])
+        params, rebuild = apply_confirm_params(self.conversation, {"duration": "15 秒", "model": "Seedance 2.5"})
+        self.assertEqual(params["duration"], "60 秒")
+        self.assertFalse(rebuild)
+        self.assertEqual(confirm_param_options(True, fixed_duration=True)["duration"], [])
+        self.assertEqual([segment["duration"] for segment in plan_video_segments(60)], [30, 30])
+
+        self.conversation.params = {**self.conversation.params, "duration": "30 秒"}
+        self.conversation.save(update_fields=["params", "updated_at"])
+        params, rebuild = apply_confirm_params(self.conversation, {"duration": "30 秒"})
+        self.assertEqual(params["duration"], "60 秒")
+        self.assertTrue(rebuild)
+
     def test_plot_twist_legacy_smart_choice_uses_60_second_story_contract(self):
         from apps.ai.creation_presets import plot_twist_story_contract
 
@@ -1933,6 +2013,117 @@ class VideoPlanAndConfirmTests(CreationAgentBaseTests):
         )
         self.assertEqual(fake.calls, [])
 
+    def test_natural_product_brief_uses_stated_audience_scene_and_action(self):
+        self._pin_product("空气炸锅")
+        self.conversation.preset = "短剧带货"
+        self.conversation.memory = {}
+        self.conversation.save(update_fields=["preset", "memory", "updated_at"])
+        brief = (
+            "使用此商品制作一条短剧带货视频，商品的适用人群是懒得下厨做饭的人以及来不及做饭的人，"
+            "将食材放进空气炸锅一炸就可以吃了。使用环境是家庭环境或公司午休环境。"
+        )
+        append_message(self.conversation, role="user", text=brief)
+        self.assertTrue(ensure_selling_point_ready_from_context(self.conversation, brief))
+        items = {item["label"]: item for item in product_brief_items(self.conversation)}
+        self.assertEqual(items["核心卖点"]["status"], "ready")
+        self.assertIn("将食材放进空气炸锅", items["核心卖点"]["value"])
+        self.assertEqual(items["使用场景与目标用户"]["status"], "ready")
+        self.assertIn("懒得下厨做饭的人", items["使用场景与目标用户"]["value"])
+        self.assertIn("公司午休环境", items["使用场景与目标用户"]["value"])
+        self.assertEqual(items["价格与优惠"]["status"], "not_needed")
+        self.assertTrue(accept_complete_product_brief(self.conversation))
+        self.conversation.refresh_from_db()
+        self.assertTrue(self.conversation.memory["product_brief_reviewed"])
+        system = build_system_prompt(AgentContext(conversation=self.conversation, user=self.user, model_config=self.model))
+        self.assertIn("懒得下厨做饭的人", system)
+        self.assertIn("公司午休环境", system)
+
+    def test_product_brief_does_not_invent_missing_claims(self):
+        self._pin_product("空气炸锅")
+        self.conversation.preset = "短剧带货"
+        self.conversation.memory = {}
+        self.conversation.save(update_fields=["preset", "memory", "updated_at"])
+        append_message(self.conversation, role="user", text="面向人群是上班族。价格是多少？做个短剧。")
+        self.assertFalse(ensure_selling_point_ready_from_context(self.conversation))
+        items = {item["label"]: item for item in product_brief_items(self.conversation)}
+        self.assertEqual(items["核心卖点"]["status"], "missing")
+        self.assertEqual(items["使用场景与目标用户"]["status"], "missing")
+        self.assertIn("上班族", items["使用场景与目标用户"]["value"])
+        self.assertEqual(items["价格与优惠"]["status"], "missing")
+        self.assertFalse(accept_complete_product_brief(self.conversation))
+        self.assertEqual(extract_brief_context("重点讲清使用场景和目标用户"), {})
+
+    def test_complete_natural_brief_skips_redundant_review_in_stream(self):
+        self._pin_product("空气炸锅")
+        self.conversation.preset = "短剧带货"
+        self.conversation.memory = {}
+        self.conversation.save(update_fields=["preset", "memory", "updated_at"])
+        fake = FakeProvider([_text_chunks("继续创作")])
+        with patch("apps.ai.creation_agent.build_provider", return_value=fake):
+            events = _events(stream_creation_agent(
+                conversation=self.conversation,
+                user=self.user,
+                text=("适用人群是懒得做饭的上班族，将食材放进空气炸锅一炸就可以吃了。"
+                      "使用环境是家庭厨房或公司午休环境。"),
+                model_config=self.model,
+            ))
+        interactions = [
+            event["message"]["payload"].get("interaction")
+            for event in events
+            if event.get("type") == "message" and event["message"]["kind"] == "elicit"
+        ]
+        self.assertNotIn("product_brief_review", interactions)
+        self.conversation.refresh_from_db()
+        self.assertTrue(self.conversation.memory.get("product_brief_reviewed"))
+
+    @override_settings(CREATION_AGENT_INLINE=False, CREATION_AGENT_TASK_QUEUE="airshelf.local")
+    def test_review_card_note_is_locked_as_selling_point_before_story_choice(self):
+        TeamMember.objects.create(team=self.team, user=self.user, role="owner")
+        self._pin_product("空气炸锅")
+        self.conversation.preset = "短剧带货"
+        self.conversation.memory = {}
+        self.conversation.save(update_fields=["preset", "memory", "updated_at"])
+        review = append_message(
+            self.conversation, role="assistant", kind=CreationMessage.Kind.ELICIT,
+            payload={"interaction": "product_brief_review", "submitted": False, "answers": {}},
+        )
+        note = (
+            "商品的适用人群是懒得下厨做饭的人以及来不及做饭的人，"
+            "将食材放进空气炸锅一炸就可以吃了。使用环境是家庭环境或公司午休环境。"
+        )
+        client = APIClient()
+        client.force_authenticate(self.user)
+        with patch("apps.ai.views.begin_agent_planning", return_value=True), \
+             patch("apps.ai.views.team_agent_busy", return_value=False), \
+             patch("apps.ai.views.run_creation_agent_turn_task") as task:
+            response = client.post(
+                f"/api/ai/creations/{self.conversation.id}/send/",
+                {"kind": "elicit_answer", "reply_to": str(review.id), "answers": {
+                    "review_action": "supplement", "product_brief_note": note,
+                }},
+                format="json",
+            )
+        self.assertEqual(response.status_code, 202)
+        self.assertTrue(task.apply_async.called)
+        self.conversation.refresh_from_db()
+        self.assertTrue(self.conversation.memory.get("selling_point_ready"))
+        self.assertIn("将食材放进空气炸锅", self.conversation.memory.get("selling_point", ""))
+        from .views import _plot_twist_direction_continuation
+        _plot_twist_direction_continuation(
+            self.conversation,
+            {"directions": [{"id": "office", "title": "午休误会", "conflict": "同事误会", "product_role": "空气炸锅做饭", "reversal": "误会解除"}]},
+            "office",
+        )
+        result, _ = _dispatch_tool(
+            AgentContext(conversation=self.conversation, user=self.user, model_config=self.model),
+            "write_strategy",
+            {"target": "上班族", "trust": "用户描述的使用动作", "belief": "操作方便", "direction": "办公室轻喜剧"},
+        )
+        self.assertNotEqual(result.get("payload", {}).get("field"), "selling_point")
+        self.assertFalse(self.conversation.messages.filter(
+            kind=CreationMessage.Kind.ELICIT, payload__interaction="selling_point_gate"
+        ).exists())
+
     def test_plot_twist_depth_syncs_duration_and_is_written_into_final_prompt(self):
         self.conversation.preset = "剧情反转带货"
         self.conversation.save(update_fields=["preset", "updated_at"])
@@ -2889,7 +3080,7 @@ class VideoPlanAndConfirmTests(CreationAgentBaseTests):
             portrait_asset=portrait,
         )
         self.conversation.preset = "达人口播种草"
-        self.conversation.params = {**self.conversation.params, "duration": "60 秒"}
+        self.conversation.params = {**self.conversation.params, "duration": "60 秒", "ratio": "16:9"}
         self.conversation.pinned_refs = [{"type": "model", "id": str(model.id), "name": model.name}]
         self.conversation.save(update_fields=["preset", "params", "pinned_refs", "updated_at"])
         card = append_message(
@@ -2922,6 +3113,7 @@ class VideoPlanAndConfirmTests(CreationAgentBaseTests):
 
         self.assertEqual(error, "")
         self.assertEqual(message.payload["kind"], "video_segments")
+        self.assertEqual(message.payload["ratio"], "16:9")
         self.assertEqual(submit.call_count, 2)
         first = submit.call_args_list[0].kwargs["params"]
         second = submit.call_args_list[1].kwargs["params"]
@@ -2929,6 +3121,7 @@ class VideoPlanAndConfirmTests(CreationAgentBaseTests):
         self.assertEqual(first["seed"], second["seed"])
         self.assertEqual(first["references"][0]["asset_id"], str(portrait.id))
         for params in (first, second):
+            self.assertEqual(params["aspect_ratio"], "16:9")
             self.assertTrue(params["prompt"].startswith("【画面洁净 · 最高优先级】"))
             self.assertIn("【开场】这是全片的第一段", params["prompt"])
             self.assertNotIn("限时8折", params["prompt"])
@@ -3141,6 +3334,16 @@ class VideoPlanAndConfirmTests(CreationAgentBaseTests):
 
 
 class VideoParamParsingTests(TestCase):
+    def test_video_result_ratio_reads_aspect_ratio_from_task(self):
+        from .creation import _meta_from_task
+
+        task = SimpleNamespace(
+            model_config_id=None,
+            request_payload={"aspect_ratio": "16:9", "prompt": "横屏视频"},
+        )
+        message = SimpleNamespace(payload={"ratio": "9:16"})
+        self.assertEqual(_meta_from_task(task, message)["ratio"], "16:9")
+
     def test_duration_label_and_smart_fallback(self):
         self.assertEqual(video_duration({"duration": "15 秒"}), 15)
         self.assertEqual(video_duration({"duration": "智能时长"}), SMART_DURATION)

core/backend/apps/ai/views.py

@@ -57,6 +57,7 @@ from .creation_agent import (
     is_restart_intent,
     multi_character_relation_needs_clarification,
     restore_gated_step_after_cancel,
+    record_product_brief_review,
     get_video_gate_stage,
     set_video_gate_stage,
     sync_prompt_after_cast,
@@ -2087,12 +2088,7 @@ class CreationConversationViewSet(TeamScopedViewSetMixin, ModelViewSet):
                         force_creative_turn = True
                         continuation_instruction = _plot_twist_depth_continuation(depth)
                 elif payload.get("interaction") == "product_brief_review":
-                    memory = dict(conversation.memory or {})
-                    memory["product_brief_reviewed"] = True
-                    if text:
-                        memory["product_brief_note"] = text
-                    conversation.memory = memory
-                    conversation.save(update_fields=["memory", "updated_at"])
+                    record_product_brief_review(conversation, text)
                     payload["answers"] = {
                         "review_action": "supplement" if text else "continue",
                         "product_brief_note": text,
@@ -2715,12 +2711,7 @@ class CreationConversationViewSet(TeamScopedViewSetMixin, ModelViewSet):
                 note = str(answers.get("product_brief_note") or "").strip()
                 if action == "supplement" and not note:
                     return JsonResponse({"detail": "请填写要补充的真实商品信息"}, status=400)
-                memory = dict(conversation.memory or {})
-                memory["product_brief_reviewed"] = True
-                if note:
-                    memory["product_brief_note"] = note
-                conversation.memory = memory
-                conversation.save(update_fields=["memory", "updated_at"])
+                record_product_brief_review(conversation, note)
                 text = ""
                 record_user_message = False
                 force_creative_turn = True

core/backend/apps/common/test_celery_health.py

@@ -1,3 +1,4 @@
+import os
 from unittest.mock import Mock, patch
 
 from django.test import SimpleTestCase, override_settings
@@ -7,6 +8,24 @@ from apps.common import celery_health
 from apps.common.celery_health import require_worker_task, worker_consumes_queue
 
 
+class RedisLocalUrlTests(SimpleTestCase):
+    def test_macos_maps_docker_only_host_to_local_redis_for_celery_and_django(self):
+        from airshelf.settings import base
+
+        with patch.dict(os.environ, {"CELERY_BROKER_URL": "redis://:example@yingqing-redis:6379/1"}):
+            with patch.object(base.sys, "platform", "darwin"):
+                self.assertEqual(base.redis_url("CELERY_BROKER_URL", 1), "redis://127.0.0.1:6379/1")
+                self.assertEqual(os.environ["CELERY_BROKER_URL"], "redis://127.0.0.1:6379/1")
+
+    def test_container_keeps_configured_redis_host(self):
+        from airshelf.settings import base
+
+        configured = "redis://:example@yingqing-redis:6379/1"
+        with patch.dict(os.environ, {"CELERY_BROKER_URL": configured}):
+            with patch.object(base.sys, "platform", "linux"):
+                self.assertEqual(base.redis_url("CELERY_BROKER_URL", 1), configured)
+
+
 class RequireWorkerTaskTests(SimpleTestCase):
     def setUp(self):
         celery_health._registered_task_cache.clear()

core/frontend/src/components/omni-param-bar.tsx

@@ -89,7 +89,7 @@ function canCreateSegmentedVideo(config: ModelConfig | undefined, model: string)
   // 31–60 秒总时长会拆成 ≤30 秒片段（长视频 >60 秒入口已临时关闭）。
   // 只有 Seedance 2.5（或目录里声明了 30 秒能力的模型）可选这些总时长。
   return modelDurations(config).some((seconds) => seconds >= 30)
-    || /seedance\s*2\.5/i.test(model || "");
+    || normalizeModelKey(model).includes("seedance25");
 }
 
 function durationLabelsForModel(config: ModelConfig | undefined, model: string, isVideo: boolean): string[] {
@@ -111,6 +111,7 @@ export function OmniParamBar({
   resolution,
   ratio,
   duration,
+  fixedDuration = false,
   catalogModels,
   onModel,
   onResolution,
@@ -123,6 +124,7 @@ export function OmniParamBar({
   resolution: string;
   ratio: string;
   duration: string;
+  fixedDuration?: boolean;
   catalogModels?: ModelConfig[];
   onModel: (value: string) => void;
   onResolution: (value: string) => void;
@@ -141,10 +143,11 @@ export function OmniParamBar({
     [catalogModels, model, capability],
   );
 
-  const models = withCurrent(
-    catalogModelLabels(catalogModels, capability, isVideo ? OMNI_VIDEO_MODELS : OMNI_IMAGE_MODELS),
-    model,
-  );
+  const availableModels = catalogModelLabels(catalogModels, capability, isVideo ? OMNI_VIDEO_MODELS : OMNI_IMAGE_MODELS);
+  const compatibleModels = fixedDuration && isVideo
+    ? availableModels.filter((label) => canCreateSegmentedVideo(findCatalogModel(catalogModels, label, "video"), label))
+    : [];
+  const models = withCurrent(fixedDuration && isVideo ? compatibleModels : availableModels, model);
   const allowedRes = isVideo ? modelResolutions(selected) : [];
   const resolutions = withCurrent(allowedRes.length ? allowedRes : OMNI_RESOLUTIONS, resolution);
   const durations = withCurrent(durationLabelsForModel(selected, model, isVideo), duration);
@@ -200,6 +203,7 @@ export function OmniParamBar({
     if (nextRes.length && resolution && !nextRes.includes(resolution)) {
       onResolution(nextRes.includes("720p") ? "720p" : nextRes[0]);
     }
+    if (fixedDuration) return;
     const nextDur = durationLabelsForModel(selected, model, true);
     const seconds = Number(String(duration || "").replace(/\D/g, ""));
     // 已选 >60 秒的旧会话：收回长视频入口后压回 60 秒。
@@ -215,6 +219,12 @@ export function OmniParamBar({
     // eslint-disable-next-line react-hooks/exhaustive-deps
   }, [selected?.id, isVideo, model]);
 
+  useEffect(() => {
+    if (!fixedDuration || !isVideo || !compatibleModels.length) return;
+    if (!canCreateSegmentedVideo(selected, model)) onModel(compatibleModels[0]);
+    // eslint-disable-next-line react-hooks/exhaustive-deps
+  }, [fixedDuration, isVideo, model, selected?.id, compatibleModels.join("|")]);
+
   return (
     <>
       <label className="omni-parameter omni-parameter-model">
@@ -250,7 +260,7 @@ export function OmniParamBar({
           options={toOptions(withCurrent(OMNI_RATIOS, ratio))}
         />
       </label>
-      <div className={`omni-duration-control${isVideo ? "" : " is-image-count"}`} ref={wrapRef}>
+      {fixedDuration ? null : <div className={`omni-duration-control${isVideo ? "" : " is-image-count"}`} ref={wrapRef}>
         <button
           type="button"
           className="omni-duration-trigger"
@@ -321,7 +331,7 @@ export function OmniParamBar({
               document.body,
             )
           : null}
-      </div>
+      </div>}
     </>
   );
 }

core/frontend/src/design-restraint.css

@@ -1249,6 +1249,11 @@ body.sidebar-collapsed .user::after { display: none; }
   overflow: hidden;
   animation: none;
 }
+.content:has(.omni-session-page) {
+  /* 对话页内部已按顶栏以下的视口高度排版；通用内容 padding 会让自动滚底遮住首条消息。 */
+  padding: 0;
+  animation: none;
+}
 @keyframes yz-page-enter {
   from { opacity: 0; }
   to { opacity: 1; }

core/frontend/src/omni-preset-label.ts

@@ -0,0 +1,5 @@
+/** 已保存的旧短剧会话保留原始预设值，界面统一显示新名称。 */
+export function displayOmniPresetLabel(preset?: string | null): string {
+  if (preset === "剧情反转带货") return "短剧带货";
+  return preset || "自由创作";
+}

core/frontend/src/omni-session-page.css

@@ -431,11 +431,40 @@
 }
 
 /* 横向角色设定图需要留出三视图和两处脸部细节，预览时不得裁掉边缘。 */
-.omni-person-reference-flow > .omni-result-card.is-person-reference,
+.omni-person-reference-flow > .omni-result-card.is-person-reference {
+  flex: 0 0 min(372px, 100%);
+  width: min(372px, 100%);
+  max-width: 372px;
+}
+
+/* 角色定妆图生成时占满整条流程区域；完成后恢复为可并排的大图卡。 */
+.omni-result-card.omni-process-card.is-person-reference {
+  width: min(760px, calc(100% - 44px));
+  max-width: 760px;
+  height: 400px;
+  display: flex;
+  flex-direction: column;
+}
+
 .omni-person-reference-flow > .omni-process-card.is-person-reference {
-  flex-basis: 360px;
-  width: min(360px, 100%);
-  max-width: 360px;
+  flex: 1 0 100%;
+  width: 100%;
+  max-width: 100%;
+}
+
+.omni-process-card.is-person-reference .omni-result-media {
+  flex: 1;
+  min-height: 0;
+}
+
+.omni-process-card.is-person-reference .omni-result-tile {
+  height: 100%;
+  aspect-ratio: auto;
+}
+
+.omni-process-card.is-person-reference .omni-process-frame {
+  min-height: 0;
+  aspect-ratio: auto;
 }
 
 .omni-result-card.is-person-reference .omni-result-tile img {
@@ -1535,6 +1564,11 @@
     margin-left: 0;
   }
 
+  .omni-result-card.omni-process-card.is-person-reference {
+    width: 100%;
+    height: clamp(280px, 58vw, 400px);
+  }
+
   .omni-strategy-grid,
   .omni-plan-points,
   .omni-plan-timeline,
@@ -2572,27 +2606,47 @@
   height: 14px;
 }
 
-/* 发送中:不要文案;左侧柔和呼吸高亮,气泡本身不变形 */
-.omni-chat-row.is-user .omni-chat-stack.is-pending {
-  padding-left: 6px;
-}
-
-.omni-chat-row.is-user .omni-chat-stack.is-pending::before {
-  content: "";
-  position: absolute;
-  left: 0;
-  top: 4px;
-  bottom: 4px;
-  width: 3px;
-  border-radius: 2px;
-  background: #5b6572;
-  animation: omniSendPulse 1.35s ease-in-out infinite;
-  pointer-events: none;
-}
-
+/* 发送状态只留在原消息气泡内，不额外占一行。 */
 .omni-chat-row.is-user .omni-chat-stack.is-pending .omni-chat-bubble {
-  background: color-mix(in srgb, var(--surface) 84%, transparent);
-  border-color: var(--black-alpha-16);
+  flex-direction: row;
+  align-items: center;
+  background: var(--black-alpha-4);
+  border-color: var(--black-alpha-12);
+  animation: omniPendingBubble 1.5s ease-in-out infinite;
+}
+
+.omni-send-dots {
+  display: inline-flex;
+  align-items: center;
+  flex: 0 0 auto;
+  gap: 3px;
+}
+
+.omni-send-dots i {
+  width: 4px;
+  height: 4px;
+  border-radius: 50%;
+  background: currentColor;
+  opacity: .35;
+  animation: omniSendDotPulse 1.1s ease-in-out infinite;
+}
+
+.omni-send-dots i:nth-child(2) { animation-delay: .18s; }
+.omni-send-dots i:nth-child(3) { animation-delay: .36s; }
+
+@keyframes omniSendDotPulse {
+  0%, 70%, 100% { opacity: .35; transform: translateY(0); }
+  35% { opacity: 1; transform: translateY(-3px); }
+}
+
+@keyframes omniPendingBubble {
+  0%, 100% { border-color: var(--black-alpha-12); }
+  50% { border-color: var(--black-alpha-24); }
+}
+
+@media (prefers-reduced-motion: reduce) {
+  .omni-chat-row.is-user .omni-chat-stack.is-pending .omni-chat-bubble,
+  .omni-send-dots i { animation: none; }
 }
 
 .omni-send-spinner {
@@ -2601,45 +2655,75 @@
   border-radius: 50%;
 }
 
-.omni-chat-bubble.is-thinking {
-  display: flex;
-  flex-direction: row;
-  flex-wrap: wrap;
-  align-items: center;
-  gap: 8px 10px;
-  color: var(--black-alpha-64);
-}
-
-.omni-chat-bubble.is-reasoning {
-  display: flex;
-  flex-direction: column;
-  align-items: stretch;
-  gap: 8px;
-  color: var(--black-alpha-64);
-}
-
-/* 规划过程不是一行 loading：给过程本身足够横向空间，历史在内部滚动。 */
-.omni-chat-row.agent.is-live .omni-chat-bubble.is-reasoning {
+.omni-chat-row.agent.is-live .omni-chat-bubble.omni-wait-card {
+  position: relative;
   width: min(620px, calc(100% - 44px));
   max-width: min(620px, calc(100% - 44px));
+  align-items: stretch;
+  gap: 0;
+  overflow: hidden;
+  padding: 18px 20px 16px;
+  border-radius: var(--r-md);
+  color: var(--black-alpha-64);
+}
+
+.omni-wait-card::before,
+.omni-wait-card::after {
+  position: absolute;
+  top: 0;
+  left: 0;
+  height: 3px;
+  content: "";
+}
+
+.omni-wait-card::before {
+  width: 100%;
+  background: linear-gradient(
+    90deg,
+    var(--border-muted) 0%,
+    var(--border-muted) 35%,
+    var(--heat-40) 50%,
+    var(--border-muted) 65%,
+    var(--border-muted) 100%
+  );
+  background-size: 200% 100%;
+  animation: omniWaitPending 2.6s linear infinite;
+}
+
+html[data-theme="dark"] .omni-wait-card::before {
+  background-image: linear-gradient(
+    90deg,
+    var(--background-base) 0%,
+    var(--background-base) 35%,
+    var(--heat-40) 50%,
+    var(--background-base) 65%,
+    var(--background-base) 100%
+  );
+}
+
+.omni-wait-card::after {
+  width: 100%;
+  background: var(--klein);
+  transform: scaleX(.06);
+  transform-origin: left center;
+  animation: omniWaitProgress 36s linear forwards;
 }
 
 .omni-think-head {
-  display: inline-flex;
+  display: flex;
   align-items: center;
-  gap: 8px;
+  min-height: 24px;
+  color: var(--accent-black);
   font-size: 13px;
-  color: var(--black-alpha-64);
+  font-weight: 600;
 }
 
 .omni-think-log {
   display: grid;
   gap: 8px;
-  max-height: 248px;
-  overflow-y: auto;
-  padding: 10px 8px 2px 0;
+  margin-top: 12px;
+  padding-top: 12px;
   border-top: 1px solid var(--border-faint);
-  scrollbar-gutter: stable;
 }
 
 .omni-think-log-row {
@@ -2673,27 +2757,17 @@
   word-break: break-word;
 }
 
-.omni-typing {
-  display: inline-flex;
-  align-items: center;
-  gap: 4px;
+@keyframes omniWaitProgress {
+  0% { transform: scaleX(.06); }
+  10% { transform: scaleX(.38); }
+  45% { transform: scaleX(.66); }
+  75% { transform: scaleX(.8); }
+  100% { transform: scaleX(.94); }
 }
 
-.omni-typing i {
-  width: 6px;
-  height: 6px;
-  border-radius: 50%;
-  background: var(--klein);
-  opacity: .35;
-  animation: omniTyping 1.1s ease-in-out infinite;
-}
-
-.omni-typing i:nth-child(2) { animation-delay: .15s; }
-.omni-typing i:nth-child(3) { animation-delay: .3s; }
-
-@keyframes omniTyping {
-  0%, 80%, 100% { opacity: .28; transform: translateY(0); }
-  40% { opacity: 1; transform: translateY(-2px); }
+@keyframes omniWaitPending {
+  from { background-position: 100% 0; }
+  to { background-position: -100% 0; }
 }
 
 @keyframes omniCurrentStepPulse {
@@ -2701,15 +2775,13 @@
   50% { opacity: 1; }
 }
 
-@keyframes omniSendPulse {
-  0%, 100% {
-    background: #5b6572;
-    opacity: .45;
-  }
-  50% {
-    background: #8b95a3;
-    opacity: 1;
-  }
+@media (prefers-reduced-motion: reduce) {
+  .omni-wait-card::before,
+  .omni-wait-card::after,
+  .omni-think-log-row.is-current::before { animation: none; }
+  .omni-wait-card::before { background: var(--border-muted); }
+  html[data-theme="dark"] .omni-wait-card::before { background: var(--background-base); }
+  .omni-wait-card::after { transform: scaleX(.6); }
 }
 
 .omni-process-skeleton {

core/frontend/src/routes/omni-create.tsx

@@ -19,6 +19,7 @@ import {
   X,
 } from "lucide-react";
 import { api, ApiError } from "../api";
+import { displayOmniPresetLabel } from "../omni-preset-label";
 import { findCatalogModel } from "../components/omni-param-bar";
 import { modelResolutions } from "../components/free-create/constants";
 import { ConfirmModal, MediaLightbox } from "../components/overlays";
@@ -46,7 +47,7 @@ type PresetItem = {
 
 const VIDEO_PRESETS: PresetItem[] = [
   { name: "痛点解决演示", category: "commerce", mode: "video", title: "痛点解决演示", desc: "从真实痛点到正常使用，再用看得见的过程证明商品价值。", starter: "基于商品的真实用途创作一条痛点解决演示：先让人看见困扰，再拍清使用步骤和真实结果，不夸张、不出现不合理的测试。", cover: "/assets/video-presets/pain-point-demo.jpg", previewVideo: "/assets/video-presets/pain-point-demo.mp4" },
-  { name: "剧情反转带货", category: "story", mode: "video", title: "剧情反转带货", desc: "用人物冲突与意外反转建立记忆点，商品承担剧情中的关键作用。", starter: "创作一条有前后反转的剧情带货视频，让商品自然成为解决问题的关键。", cover: "/assets/video-presets/plot-twist-commerce.jpg", previewVideo: "/assets/video-presets/plot-twist-commerce.mp4" },
+  { name: "短剧带货", category: "story", mode: "video", title: "短剧带货", desc: "用完整故事线和人物冲突建立记忆点，商品承担剧情中的关键作用。", starter: "创作一条从起因到结局完整收束的短剧带货视频，让商品自然成为解决问题的关键。", cover: "/assets/video-presets/plot-twist-commerce.jpg", previewVideo: "/assets/video-presets/plot-twist-commerce.mp4" },
   { name: "达人口播种草", category: "speaker", mode: "video", title: "达人口播种草", desc: "用真实体验与生活化表达建立信任，适合电商和本地生活内容。", starter: "创作一条真实自然的达人口播种草视频，重点讲清使用场景和核心卖点。", cover: "/assets/video-presets/creator-recommendation.jpg", previewVideo: "/assets/video-presets/creator-recommendation.mp4" },
   { name: "鱼眼换装", category: "visual", mode: "video", title: "鱼眼换装", desc: "强调近距离透视与连续变装节奏，适合服饰和人物视觉内容。", starter: "创作一条鱼眼镜头风格的连续换装视频，人物和服装需要保持稳定。", cover: "/assets/video-presets/rhythm-outfit-change.jpg", previewVideo: "/assets/video-presets/rhythm-outfit-change.mp4" },
   { name: "点击换款", category: "visual", mode: "video", title: "点击换款", desc: "固定商品与机位，手指每次点击都在原位切换下一款。", starter: "创作一条点击换款视频：使用单一固定机位和同一背景，商品始终保持同一位置和比例；每次手指点击商品时，立即在原位切换到下一个颜色或款式，按确认顺序逐款展示，最后以全款式总览收束。不做口播、剧情、换场景或普通商品使用演示。", cover: "/assets/video-presets/multi-sku-switch.jpg", previewVideo: "/assets/video-presets/multi-sku-switch.mp4" },
@@ -667,7 +668,7 @@ export function OmniCreatePage({
                       model,
                       ratio,
                       ...(outputMode === "video"
-                        ? { resolution, duration: selectedCase?.name === "剧情反转带货" ? "60 秒" : duration }
+                        ? { resolution, duration: selectedCase?.name === "短剧带货" ? "60 秒" : duration }
                         : { count: duration }),
                     },
                   })
@@ -931,7 +932,7 @@ export function OmniHistoryPage({
                 <h2>{item.title}</h2>
                 <p>
                   {[
-                    item.preset || "自由创作",
+                    displayOmniPresetLabel(item.preset),
                     item.mode === "video" ? "视频" : "图片",
                     item.params?.model,
                     item.params?.ratio,

core/frontend/src/routes/omni-session.tsx

@@ -23,6 +23,7 @@ import {
   X,
 } from "lucide-react";
 import { api } from "../api";
+import { displayOmniPresetLabel } from "../omni-preset-label";
 import { findCatalogModel, normalizeDurationValue, OmniParamBar } from "../components/omni-param-bar";
 import { estimateCost, pointsPerImageFromCatalog } from "../components/free-create/constants";
 import { MediaLightbox } from "../components/overlays";
@@ -1620,7 +1621,7 @@ function ElicitCard({
                 {selected ? (
                   <button
                     type="button"
-                    className="btn btn-sm btn-ghost"
+                    className="btn btn-ghost"
                     disabled={disabled}
                     onClick={() => setAnswers((prev) => ({ ...prev, story_direction: "" }))}
                   >
@@ -1629,7 +1630,7 @@ function ElicitCard({
                 ) : null}
                 <button
                   type="button"
-                  className="btn btn-sm btn-primary"
+                  className="btn btn-primary"
                   disabled={disabled || !selected}
                   onClick={() => onSubmit({ story_direction: selected }, [])}
                 >
@@ -2048,6 +2049,7 @@ function ConfirmCard({
   message,
   sessionParams,
   isVideo,
+  isShortDrama,
   catalogModels,
   disabled,
   onConfirm,
@@ -2056,6 +2058,7 @@ function ConfirmCard({
   message: CreationMessage;
   sessionParams: Record<string, string>;
   isVideo: boolean;
+  isShortDrama: boolean;
   catalogModels?: ModelConfig[];
   disabled: boolean;
   onConfirm: (params: Record<string, string>) => void;
@@ -2066,7 +2069,7 @@ function ConfirmCard({
   const payloadCredits = Number(message.payload.estimated_credits || 0);
   const payloadParams = asStringMap(message.payload.params);
   const snapshot = { ...sessionParams, ...payloadParams };
-  const [draft, setDraft] = useState(snapshot);
+  const [draft, setDraft] = useState(() => isShortDrama && isVideo && !submitted ? { ...snapshot, duration: "60 秒" } : snapshot);
   const [initialDuration] = useState(snapshot.duration || "");
   const cardIsVideo = message.payload.kind !== "image" && isVideo;
   const durationChanged =
@@ -2112,6 +2115,7 @@ function ConfirmCard({
     : generationPhase === "failed" ? "可重新确认方案后再生成"
     : generationPhase === "running" ? "正在出片，请稍候"
     : generationPhase === "submitted" ? "正在提交生成"
+    : isShortDrama ? "短剧带货固定 60 秒；确认前可以调整模型、分辨率和画面比例。"
     : "确认前可以改参数。只有改时长时会同步更新视频架构与 Prompt。";
   const foot =
     generationPhase === "done" ? "已完成出片"
@@ -2137,6 +2141,7 @@ function ConfirmCard({
         <div className="omni-confirm-params">
           <OmniParamBar
             isVideo={cardIsVideo}
+            fixedDuration={cardIsVideo && isShortDrama}
             disabled={disabled}
             catalogModels={catalogModels}
             model={draft.model || ""}
@@ -2173,8 +2178,10 @@ function ConfirmCard({
 
 function ResultCard({
   payload,
+  fallbackRatio,
 }: {
   payload: Record<string, unknown>;
+  fallbackRatio?: string;
 }) {
   const assets = (payload.assets as Array<Record<string, string>> | undefined) || [];
   const first = assets[0] || {};
@@ -2187,7 +2194,7 @@ function ResultCard({
   const showSegmentGrid = partialFailure && assets.length > 0;
   const showSingleMedia = !showSegmentGrid && assets.length > 0;
   const [preview, setPreview] = useState<{ src: string; kind: "image" | "video"; name: string } | null>(null);
-  const ratio = String(payload.ratio || "").trim();
+  const ratio = String(payload.ratio || fallbackRatio || "").trim();
   const ratioClass = ratio === "16:9" ? "is-ratio-16-9" : ratio === "1:1" ? "is-ratio-1-1" : "is-ratio-9-16";
   const personReferenceClass = payload.kind === "person_reference" ? " is-person-reference" : "";
   const tileCount = showSegmentGrid ? assets.length : showSingleMedia ? 1 : 0;
@@ -2622,15 +2629,18 @@ function groupVisibleCreationMessages(list: CreationMessage[]): CreationMessage[
 
 function ProcessCard({
   payload,
+  fallbackRatio,
 }: {
   payload: Record<string, unknown>;
+  fallbackRatio?: string;
 }) {
   const isSegmentedVideo = payload.kind === "video_segments";
   const isMerge = payload.kind === "video_merge";
   const isVideo = payload.kind === "video" || isSegmentedVideo || isMerge;
   const segmentCount = Array.isArray(payload.segments) ? payload.segments.length : 0;
   const completedSegments = Number(payload.completed_segment_count || 0);
-  const ratio = String(payload.ratio || "").trim();
+  const generationSpec = payload.generation_spec as Record<string, unknown> | undefined;
+  const ratio = String(payload.ratio || generationSpec?.aspect_ratio || fallbackRatio || "").trim();
   const ratioClass = ratio === "16:9" ? "is-ratio-16-9" : ratio === "1:1" ? "is-ratio-1-1" : "is-ratio-9-16";
   const personReferenceClass = payload.kind === "person_reference" ? " is-person-reference" : "";
 
@@ -2900,14 +2910,23 @@ export function OmniSessionPage({
   const scrollFrameRef = useRef(0);
   const initialScrolledForRef = useRef<string | null>(null);
 
+  const bottomScrollTarget = useCallback(() => {
+    const maxScroll = Math.max(0, document.documentElement.scrollHeight - window.innerHeight);
+    const latest = feedRef.current?.lastElementChild as HTMLElement | null;
+    if (!latest || latest.getBoundingClientRect().height > window.innerHeight * 0.6) return maxScroll;
+    const topbarHeight = Number.parseFloat(getComputedStyle(document.documentElement).getPropertyValue("--topbar-height")) || 0;
+    const latestTop = latest.getBoundingClientRect().top + window.scrollY;
+    // 短对话或低视口时，滚到底部不能把最后一条消息推进 sticky 顶栏背后。
+    return Math.min(maxScroll, Math.max(0, latestTop - topbarHeight - 16));
+  }, []);
+
   useEffect(() => {
     const onScroll = () => {
-      const gap = document.documentElement.scrollHeight - window.scrollY - window.innerHeight;
-      stickToBottomRef.current = gap < 120;
+      stickToBottomRef.current = bottomScrollTarget() - window.scrollY < 120;
     };
     window.addEventListener("scroll", onScroll, { passive: true });
     return () => window.removeEventListener("scroll", onScroll);
-  }, []);
+  }, [bottomScrollTarget]);
 
   const scrollToBottom = useCallback((smooth: boolean) => {
     if (!stickToBottomRef.current) return;
@@ -2915,11 +2934,11 @@ export function OmniSessionPage({
     scrollFrameRef.current = requestAnimationFrame(() => {
       scrollFrameRef.current = 0;
       window.scrollTo({
-        top: document.documentElement.scrollHeight,
+        top: bottomScrollTarget(),
         behavior: smooth ? "smooth" : "instant",
       });
     });
-  }, []);
+  }, [bottomScrollTarget]);
 
   // 重进已有会话时，等详情与消息一起落到 DOM 后直接显示最新内容。
   // 首次定位不能用 smooth：长历史的滚动动画会在中途触发 onScroll，误判成用户上滑。
@@ -2928,12 +2947,12 @@ export function OmniSessionPage({
     initialScrolledForRef.current = conversationId;
     stickToBottomRef.current = true;
     if (scrollFrameRef.current) cancelAnimationFrame(scrollFrameRef.current);
-    window.scrollTo({ top: document.documentElement.scrollHeight, behavior: "instant" });
+    window.scrollTo({ top: bottomScrollTarget(), behavior: "instant" });
     const frame = requestAnimationFrame(() => {
-      window.scrollTo({ top: document.documentElement.scrollHeight, behavior: "instant" });
+      window.scrollTo({ top: bottomScrollTarget(), behavior: "instant" });
     });
     return () => cancelAnimationFrame(frame);
-  }, [conversation, conversationId]);
+  }, [bottomScrollTarget, conversation, conversationId]);
 
   // 新消息落地:平滑滚一次
   useEffect(() => {
@@ -3729,6 +3748,7 @@ export function OmniSessionPage({
             message={message}
             sessionParams={params}
             isVideo={isVideo}
+            isShortDrama={Boolean(conversation?.preset && ["短剧带货", "剧情反转带货"].includes(conversation.preset))}
             catalogModels={modelConfigs}
             generationPhase={generationPhase}
             disabled={
@@ -3745,6 +3765,7 @@ export function OmniSessionPage({
           <ProcessCard
             key={message.clientKey || message.id}
             payload={message.payload}
+            fallbackRatio={params.ratio}
           />
         );
       case "result":
@@ -3752,6 +3773,7 @@ export function OmniSessionPage({
           <ResultCard
             key={message.clientKey || message.id}
             payload={message.payload}
+            fallbackRatio={params.ratio}
           />
         );
       default: {
@@ -3786,6 +3808,11 @@ export function OmniSessionPage({
               {(body || message.role !== "user") ? (
                 <div className="omni-chat-bubble" aria-busy={pending || undefined}>
                   {body ? (message.role === "assistant" ? <ChatMarkdown text={body} /> : <p className="omni-chat-text">{body}</p>) : null}
+                  {pending ? (
+                    <span className="omni-send-dots" role="status" aria-label="发送中">
+                      <i aria-hidden="true" /><i aria-hidden="true" /><i aria-hidden="true" />
+                    </span>
+                  ) : null}
                 </div>
               ) : null}
               {showReplyGuide ? (
@@ -3848,7 +3875,7 @@ export function OmniSessionPage({
             <h1>{conversation?.title || "未命名创作"}</h1>
             <div className="omni-session-meta">
               {[
-                conversation?.preset || "自由创作",
+                displayOmniPresetLabel(conversation?.preset),
                 params.model,
                 params.resolution && params.ratio
                   ? `${params.resolution} · ${params.ratio}`
@@ -3903,7 +3930,7 @@ export function OmniSessionPage({
           && Boolean(conversation?.agent_progress)
           && !currentPlanningHasError ? (
             /生成图片|生成视频/.test(activeTool) && !liveText ? (
-              <ProcessCard payload={{ kind: /生成视频/.test(activeTool) ? "video" : "image" }} />
+              <ProcessCard payload={{ kind: /生成视频/.test(activeTool) ? "video" : "image" }} fallbackRatio={params.ratio} />
             ) : liveText ? (
               <div className="omni-chat-row agent is-live">
                 <span className="omni-chat-avatar">
@@ -3914,22 +3941,20 @@ export function OmniSessionPage({
                 </div>
               </div>
             ) : (
-              <div className="omni-chat-row agent is-live" aria-label="正在回复">
+              <div className="omni-chat-row agent is-live" aria-label="正在生成创作内容">
                 <span className="omni-chat-avatar">
                   <Sparkles />
                 </span>
-                <div className={`omni-chat-bubble${liveReasoning ? " is-reasoning" : " is-thinking"}`}>
+                <div className="omni-chat-bubble omni-wait-card" role="status" aria-live="polite">
                   <div className="omni-think-head">
-                    <span className="omni-typing" aria-hidden="true"><i /><i /><i /></span>
                     <span>{activeTool || (liveReasoning ? "正在思考" : isVideo ? "正在整理方案" : "正在整理画面")}</span>
                   </div>
-                  {liveReasoning ? (
-                    <div className="omni-think-log" ref={thinkingLogRef} aria-label="创作过程">
-                      {(visibleProgressHistory.length
-                        ? visibleProgressHistory
+                  <div className="omni-think-log" ref={thinkingLogRef} aria-label="创作过程">
+                    {(visibleProgressHistory.length
+                        ? visibleProgressHistory.slice(-2)
                         : [{
                           label: activeTool || "正在思考",
-                          detail: liveReasoning,
+                          detail: liveReasoning || "正在准备创作内容，请稍候…",
                         }]
                       ).map((progress, index, history) => (
                         <div
@@ -3939,8 +3964,7 @@ export function OmniSessionPage({
                           <p>{progress.detail}</p>
                         </div>
                       ))}
-                    </div>
-                  ) : null}
+                  </div>
                 </div>
               </div>
             )