feat(): new feature

backend/models/quote_request.py

@@ -0,0 +1,37 @@
+from pydantic import BaseModel, Field, validator
+from typing import Optional, Literal, Dict, Any
+
+class QuoteRequest(BaseModel):
+    # File STL (base64 or path)
+    file_path: Optional[str] = None
+    file_base64: Optional[str] = None
+    
+    # Parametri slicing
+    machine: str = Field(default="bambu_a1", description="Machine type")
+    filament: str = Field(default="pla_basic", description="Filament type")
+    quality: Literal["draft", "standard", "fine"] = Field(default="standard")
+    
+    # Parametri opzionali
+    layer_height: Optional[float] = Field(None, ge=0.08, le=0.32)
+    infill_density: Optional[int] = Field(None, ge=0, le=100)
+    support_enabled: Optional[bool] = None
+    print_speed: Optional[int] = Field(None, ge=20, le=300)
+    
+    # Pricing overrides
+    filament_cost_override: Optional[float] = None
+    
+    @validator('machine')
+    def validate_machine(cls, v):
+        # This list should ideally be dynamic, but for validation purposes we start with known ones.
+        # Logic in ProfileManager can be looser or strict.
+        # For now, we allow the string through and let ProfileManager validate availability.
+        return v
+    
+    @validator('filament')
+    def validate_filament(cls, v):
+        return v
+
+class QuoteResponse(BaseModel):
+    success: bool
+    data: Optional[Dict[str, Any]] = None
+    error: Optional[str] = None