docs: add info about new models and IDE specific guidelines (#3409)

Author: IvanDanchev

ai/agentic-ui-generator/getting-started.md

@@ -43,7 +43,7 @@ Follow these steps to set up the Agentic UI Generator:
 1. Log in to your [Telerik account](https://www.telerik.com/account/) and generate an API key from the [API Keys page](https://www.telerik.com/account/downloads/api-keys). Replace `YOUR API KEY` in the `mcp.json` file with the generated key.
 
     > Refer to the [Obtaining the API Key](#obtaining-the-api-key) section below for detailed instructions.
-1. Open the AI chat interface of your IDE and start your prompt with the `#telerik_ui_generator` handle to invoke the main generator tool:
+1. Open the AI chat interface of your IDE and start your prompt with `Telerik` to make it more likely for the Agentic UI Generator to get called. If you are using VS Code, then you can start your prompt with the `#telerik_ui_generator` handle to invoke the main generator tool:
     ````TEXT.skip-repl
     #telerik_ui_generator Create a dashboard page with a grid showing sales data and a chart visualizing monthly trends.
     ````

ai/ai-coding-assistant/overview.md

@@ -45,7 +45,8 @@ You can use the Telerik AI Coding Assistant for:
 Consider the following recommendations when working with the Telerik AI Coding Assistant:
 
 * When switching between tasks and files, start a new session in a new chat window to avoid polluting the context with irrelevant or outdated information.
-* At the time of publishing, Claude Sonnet 4 and GPT-5 produce better results.
+* As of December 2025, Claude Sonnet 4.5, Gemini pro 3, and
+GPT 5.2 produce better results.
 * Sometimes, the AI Coding Assistant might generate custom styles. To avoid any custom styling, include a similar statement in your prompts: `Don't add custom CSS styles`.
 
 ## Telerik Document Processing AI Coding Assistant