feat: refactor to FastAPI architecture v2.0

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

app/models/__init__.py

@@ -0,0 +1,3 @@
+from .event import Block, ProgramType, EventInfo, ScenarioDocument
+
+__all__ = ["Block", "ProgramType", "EventInfo", "ScenarioDocument"]

app/models/event.py

@@ -0,0 +1,34 @@
+"""Pydantic v2 models for Scenar Creator."""
+
+from datetime import date, time
+from typing import List, Optional
+
+from pydantic import BaseModel, Field
+
+
+class Block(BaseModel):
+    datum: date
+    zacatek: time
+    konec: time
+    program: str
+    typ: str
+    garant: Optional[str] = None
+    poznamka: Optional[str] = None
+
+
+class ProgramType(BaseModel):
+    code: str
+    description: str
+    color: str  # hex #RRGGBB
+
+
+class EventInfo(BaseModel):
+    title: str = Field(..., max_length=200)
+    detail: str = Field(..., max_length=500)
+
+
+class ScenarioDocument(BaseModel):
+    version: str = "1.0"
+    event: EventInfo
+    program_types: List[ProgramType]
+    blocks: List[Block]

app/models/responses.py

@@ -0,0 +1,22 @@
+"""API response models."""
+
+from typing import Any, List, Optional
+
+from pydantic import BaseModel
+
+
+class HealthResponse(BaseModel):
+    status: str = "ok"
+    version: str
+
+
+class ValidationResponse(BaseModel):
+    valid: bool
+    errors: List[str] = []
+
+
+class ImportExcelResponse(BaseModel):
+    success: bool
+    document: Optional[Any] = None
+    errors: List[str] = []
+    warnings: List[str] = []