Improve response rendering

Gemini answers using markdown - like syntax:

```
The ATmega328P is a high-performance, low-power 8-bit RISC-based microcontroller originally developed by Atmel (now owned by Microchip Technology). It is most famous for being the primary microcontroller used in the **Arduino Uno** and **Arduino Nano** boards.

Below is a breakdown of its technical specifications, features, and common uses.

### 1. Key Technical Specifications
* **Architecture:** 8-bit AVR RISC.
* **CPU Speed:** Up to 20 MHz.
```

I want this to be rendered nicely with markdown:

The ATmega328P is a high-performance, low-power 8-bit RISC-based microcontroller originally developed by Atmel (now owned by Microchip Technology). It is most famous for being the primary microcontroller used in the **Arduino Uno** and **Arduino Nano** boards.

Below is a breakdown of its technical specifications, features, and common uses.

### 1. Key Technical Specifications
* **Architecture:** 8-bit AVR RISC.
* **CPU Speed:** Up to 20 MHz.

Start by locating the response-rendering entry point in the DIYHelper project and trace how Gemini text is displayed. Verify the existing sample response, then confirm that headings, bold text, and bullet lists render as formatted markdown rather than plain text.

Written by the indexing model from the issue text.