Function getAppConfig

getAppConfig<T = unknown>(name: string): T | undefined
Retrieve the validated data for a registered config section.

Returns undefined if:
- The section was not present in the config file
- Config has not been loaded yet
Type Parameters
- T = unknown
Parameters
- name: string
  Section name (case-insensitive)
Returns T | undefined
The validated section data, or undefined
Example
```
interface MyAppConfig {
  url: string;
  timeout_ms?: number;
}
const config = getAppConfig<MyAppConfig>('myapp');
if (config) {
  console.log(config.url);
}
```
- Defined in src/config/extensions.ts:131