完善二期清单

core/backend/apps/projects/models.py

@@ -100,6 +100,43 @@ class ScriptSegment(TimeStampedModel):
         ordering = ["sort_order", "created_at"]
 
 
+class ScriptTemplate(TeamOwnedModel):
+    """「套路模板」:把一版脚本里可复用的部分抽出来存团队库,换个商品重开项目时套用。
+
+    只存**套路**不存**文案**:outline 里每镜只留作用/时长/商品露出/说话方式,
+    旧商品的口播词一律不进模板,避免换商品重跑时把上一个品牌漏出去。
+    """
+
+    name = models.CharField(max_length=128)
+    presentation_format = models.CharField(max_length=32, blank=True)  # oral|drama|vlog
+    video_structure = models.CharField(max_length=32, blank=True)  # pain|contrast|review|scene
+    persona = models.CharField(max_length=32, blank=True)  # 人物设定 key(对齐向导 WIZ_PERSONAS)
+    total_duration = models.PositiveIntegerField(default=0)
+    # [{index, role, duration, product_exposure, delivery}] · 镜头节奏 + 脚本结构
+    outline = models.JSONField(default=list, blank=True)
+    # 结尾转化方式的**写法参考**(可能带旧品牌词,套用时提示模型换成新商品)
+    cta = models.TextField(blank=True)
+    # 场景风格名(人物场景风格的场景侧;人物侧由 persona 承载)
+    scenes = models.JSONField(default=list, blank=True)
+    source_project = models.ForeignKey(
+        Project, on_delete=models.SET_NULL, null=True, blank=True, related_name="script_templates"
+    )
+    source_script = models.ForeignKey(
+        "ScriptVersion", on_delete=models.SET_NULL, null=True, blank=True, related_name="templates"
+    )
+    usage_count = models.PositiveIntegerField(default=0)
+
+    class Meta:
+        ordering = ["-created_at"]
+        constraints = [
+            models.UniqueConstraint(fields=["team", "name"], name="uniq_script_template_name_per_team"),
+        ]
+        indexes = [models.Index(fields=["team", "-created_at"])]
+
+    def __str__(self) -> str:
+        return self.name
+
+
 class BaseAssetGroup(TimeStampedModel):
     class Kind(models.TextChoices):
         PRODUCT = "product", "Product"