Refine AI Formatting: Strict ban on pipe-separated blocks and HTML tags, enforced professional Markdown structure

Final UI Fixes: Verified table syntax, fixed typing indicator streaming, and added table horizontal scroll

Improve UI: Add table support (GFM), professional CSS styling, and refine AI output formatting

Switch to standard gpt-oss-120b model and normal OpenRouter integration

Fix OpenRouter free model data policy error and add required headers

Updated

Updated

Updated