initial structure implemented

docs -> _docs

models/recovery/user_input_request.py

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+from datetime import datetime
+import numpy as np
+from pydantic import BaseModel, ConfigDict
+from ..satellite.tile_candidate import TileCandidate
+
+
+class UserInputRequest(BaseModel):
+    model_config = ConfigDict(arbitrary_types_allowed=True)
+
+    request_id: str
+    flight_id: str
+    frame_id: int
+    uav_image: np.ndarray
+    candidate_tiles: list[TileCandidate]
+    message: str
+    created_at: datetime
+