Phase 2.1: Card mirror system for deckbuilding features

- Created MtgCardMirror and DeckCardLink models in mirror_models.py
- Created card_mirror_service.py with sync_mirrors functionality
- Added sync_mirrors() method to mtgjson_manager.py
- Added mirror_get_db() dependency to database.py
- Added DecklistFile.status column (DRAUGHT/FINAL)
- Updated DeckCreate schema with status field
- Added DeckWithCardsResponse schema with card_count
- Updated deck router to query card mirrors and return card counts
- Added plain text deck content support

backend/app/schemas/schemas.py

@@ -4,7 +4,7 @@ Pydantic schemas for request/response validation.
 Provides typed data structures for API endpoints.
 """
 from pydantic import BaseModel, EmailStr, Field
-from typing import Optional, List
+from typing import Optional, List, Dict
 from datetime import datetime
 
 
@@ -95,6 +95,7 @@ class DeckCreate(BaseModel):
     content: str = Field(..., min_length=1)
     folder_id: Optional[int] = None
     format: str = Field("native", pattern="^(native|plain)$")
+    status: str = Field("DRAUGHT", pattern="^(DRAUGHT|FINAL)$")
 
 
 class DeckUpdate(BaseModel):
@@ -102,6 +103,7 @@ class DeckUpdate(BaseModel):
     name: Optional[str] = None
     content: Optional[str] = None
     folder_id: Optional[int] = None
+    status: Optional[str] = Field(None, pattern="^(DRAUGHT|FINAL)$")
 
 
 class DeckResponse(BaseModel):
@@ -110,6 +112,7 @@ class DeckResponse(BaseModel):
     name: str
     content: str
     format: str
+    status: str
     folder_id: Optional[int]
     owner_id: int
     creation_date: datetime
@@ -228,3 +231,64 @@ class PaginatedResponse(BaseModel):
     page: int
     page_size: int
     total_pages: int
+
+
+# ===== Card Mirror Schemas =====
+
+class CardMirrorResponse(BaseModel):
+    """Mirrored card data for user decks."""
+    id: int
+    source_id: Optional[int]
+    name: str
+    mana_cost: Optional[str]
+    type_line: Optional[str]
+    oracle_text: Optional[str]
+    power: Optional[str]
+    toughness: Optional[str]
+    rarity: Optional[str]
+    layout: Optional[str]
+    artist: Optional[str]
+    flavor_text: Optional[str]
+    numbers: Optional[str]
+    identifiers: Optional[str]  # JSON string
+    images: Optional[str]  # JSON string
+    image: Optional[str]
+    card_parts: Optional[str]
+    keywords: Optional[str]
+    legalities: Optional[str]  # JSON string
+    set_code: Optional[str]
+    set_name: Optional[str]
+    synced_at: Optional[datetime]
+    created_at: datetime
+    
+    class Config:
+        from_attributes = True
+
+
+class DeckCardLinkResponse(BaseModel):
+    """Deck-card link response."""
+    id: int
+    deck_id: int
+    card_id: int
+    quantity: int
+    zone: str
+    card: CardMirrorResponse
+    
+    class Config:
+        from_attributes = True
+
+
+class DeckWithCardsResponse(BaseModel):
+    """Deck response with card links."""
+    id: int
+    name: str
+    content: str
+    format: str
+    status: str
+    folder_id: Optional[int]
+    owner_id: int
+    creation_date: datetime
+    card_links: List[DeckCardLinkResponse] = []
+    
+    class Config:
+        from_attributes = True