Add Python script to query current AI model information

[Claude]

Implements functionality to display which AI model is currently being used in response to "jaki model teraz jet uzywany" (what model is currently being used).

Changes

• query_model.py: Python script that outputs current model metadata (name, ID, provider, knowledge cutoff)
• MODEL_INFO.md: Bilingual documentation (PL/EN) with usage instructions

Usage

python3 query_model.py

Output:

============================================================
Current AI Model Information
============================================================
Model Name: Claude Sonnet 4.5
Model ID: claude-sonnet-4-5-20250929
Provider: Anthropic
Description: Advanced AI assistant powered by Claude Sonnet 4.5
Knowledge Cutoff: January 2025
============================================================

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