Init

led_platform/core/__init__.py

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+"""Core platform utilities."""
+

led_platform/core/clock.py

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+from datetime import datetime, timezone
+from time import time
+
+
+def epoch_ms() -> int:
+    return int(time() * 1000)
+
+
+def utc_now() -> datetime:
+    return datetime.now(timezone.utc)
+

led_platform/core/config.py

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+from functools import lru_cache
+from pathlib import Path
+
+from pydantic_settings import BaseSettings, SettingsConfigDict
+
+
+class Settings(BaseSettings):
+    app_host: str = "127.0.0.1"
+    app_port: int = 8000
+    public_base_url: str = "http://127.0.0.1:8000"
+
+    wall_width: int = 14880
+    wall_height: int = 3510
+    target_fps: int = 60
+
+    switch_prepare_delay_ms: int = 1400
+    action_prepare_delay_ms: int = 650
+    initial_state_delay_ms: int = 160
+    command_ttl_seconds: int = 45
+
+    scene_config: Path = Path("config/scenes.json")
+    tile_config: Path = Path("config/tiles.json")
+
+    model_config = SettingsConfigDict(env_prefix="LED_", env_file=".env", extra="ignore")
+
+
+@lru_cache
+def get_settings() -> Settings:
+    return Settings()
+