feat(workflow): implement target channel personalities, raw review cards, on-demand AI rewrites and multi-target dispatch

db/models.py

@@ -1,5 +1,5 @@
 from dataclasses import dataclass, field
-from typing import Optional, List
+from typing import Optional, List, Dict, Any
 
 @dataclass
 class SourceChannel:
@@ -17,6 +17,8 @@ class TargetChannel:
     title: Optional[str]
     username: Optional[str]
     post_interval_min: int = 30
+    personality: str = ""
+    custom_footer: str = ""
     last_post_time: Optional[str] = None
     is_active: bool = True
     created_at: Optional[str] = None
@@ -38,7 +40,8 @@ class Post:
     ai_text: Optional[str] = None
     suggested_target_id: Optional[int] = None
     target_channel_id: Optional[int] = None
-    status: str = "pending_ai"  # pending_ai, pending_review, approved, scheduled, published, rejected
+    status: str = "pending_review"  # pending_review, published, rejected
+    published_to: List[Dict[str, Any]] = field(default_factory=list)
     review_message_id: Optional[int] = None
     scheduled_at: Optional[str] = None
     published_at: Optional[str] = None