Add initial project files

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

backend/app/schemas/entry.py

@@ -0,0 +1,40 @@
+from datetime import datetime, date
+from typing import Optional
+from pydantic import BaseModel
+
+from app.models.entry import EntryType
+
+
+class EntryCreate(BaseModel):
+    entry_type: EntryType
+    date: date
+    bourbon_name: Optional[str] = None
+    proof: Optional[float] = None
+    amount_shots: float = 1.0
+    notes: Optional[str] = None
+
+
+class EntryResponse(BaseModel):
+    id: int
+    entry_type: EntryType
+    date: date
+    bourbon_name: Optional[str]
+    proof: Optional[float]
+    amount_shots: float
+    notes: Optional[str]
+    created_at: datetime
+
+    model_config = {"from_attributes": True}
+
+
+class BottleStats(BaseModel):
+    total_add_entries: int
+    current_total_shots: float
+    estimated_proof: Optional[float]
+
+
+class PublicUserStats(BaseModel):
+    display_name: str
+    total_add_entries: int
+    current_total_shots: float
+    estimated_proof: Optional[float]