🚀 Load General Image Function
Adds load_general_image to Pyxel for multi-format image loading
Adds load_general_image to Pyxel for multi-format image loading
Adds clarity for YAML debugging in Observation mode
Adds time-dependent photon flux modulation model for dynamic illumination simulations
Introduces typing.Annotated metadata to Pyxel models to prepare for future schema-based validation
Adds the new check_validity() function with Annotated and annotated-types constraint support, forming the foundation of Pyxel's future validation system.