优化全能创作

core/backend/apps/ai/models.py

@@ -300,6 +300,11 @@ class CreationConversation(TeamOwnedModel):
         COMPLETED = "completed", "已完成"
         FAILED = "failed", "失败"
 
+    class AgentStatus(models.TextChoices):
+        IDLE = "idle", "空闲"
+        PLANNING = "planning", "整理方案中"
+        AWAITING_USER = "awaiting_user", "等待用户"
+
     title = models.CharField(max_length=120, default="未命名创作")
     mode = models.CharField(max_length=16, choices=Mode.choices, default=Mode.VIDEO)
     preset = models.CharField(max_length=64, blank=True, default="")  # "" = 自由创作
@@ -310,6 +315,11 @@ class CreationConversation(TeamOwnedModel):
     # 记忆:{summary, artifacts:[{msg_id,asset_id,prompt,kind}], turn_count}
     memory = models.JSONField(default=dict, blank=True)
     status = models.CharField(max_length=16, choices=Status.choices, default=Status.RUNNING)
+    # Agent 编排态(与 status=会话生命周期正交)。planning 时整团队只能有一个在途 turn。
+    agent_status = models.CharField(
+        max_length=16, choices=AgentStatus.choices, default=AgentStatus.IDLE,
+    )
+    agent_started_at = models.DateTimeField(null=True, blank=True)
     last_active_at = models.DateTimeField(auto_now_add=True)
     is_deleted = models.BooleanField(default=False)
     purged_at = models.DateTimeField(null=True, blank=True)
@@ -320,6 +330,7 @@ class CreationConversation(TeamOwnedModel):
             models.Index(fields=["team", "-last_active_at"]),
             models.Index(fields=["team", "status", "-last_active_at"]),
             models.Index(fields=["team", "is_deleted", "purged_at"]),
+            models.Index(fields=["team", "agent_status"]),
         ]
 
     def __str__(self) -> str: