Refactor GenerateRequest model; update emotional_tone field alias and improve field definitions for clarity

main.py

@@ -110,11 +110,11 @@ class StyleMapper:
 class GenerateRequest(BaseModel):
     prompt: str
     style: PoemStyle
-    emotional_tone: EmotionalTone
-    creative_style: float = Field(ge=0, le=100, alias="creativeStyle")
-    language_variety: float = Field(ge=0, le=1, alias="languageVariety")
+    emotional_tone: EmotionalTone = Field(alias="emotionalTone")
+    creative_style: float = Field(ge=0, le=100, alias="creativeStyle")  # 0-100 slider
+    language_variety: float = Field(ge=0, le=1, alias="languageVariety")  # 0-1 slider
     length: Length
-    word_repetition: float = Field(ge=1, le=2, alias="wordRepetition")
+    word_repetition: float = Field(ge=1, le=2, alias="wordRepetition")  # 1-2 slider
 
     @validator('creative_style')
     def validate_creative_style(cls, v):
@@ -136,7 +136,7 @@ class GenerateRequest(BaseModel):
 
     class Config:
         allow_population_by_field_name = True
-        alias_generator = None
+
 
 class ModelManager:
     def __init__(self):