Function logger

logger(
    options?: {
        collapsed?: boolean;
        filter?: (cmd: Command) => boolean;
        level?: "error" | "warn" | "info" | "debug";
        badges?: boolean;
    },
): Plugin
Logger plugin - logs all commands and results

Successful dispatches log at 'info', failed dispatches at 'error'. The default level: 'info' shows both (unchanged output); raise it to 'warn' or 'error' to hide successful dispatches and only see failures.
Parameters
- options: {
      collapsed?: boolean;
      filter?: (cmd: Command) => boolean;
      level?: "error" | "warn" | "info" | "debug";
      badges?: boolean;
  } = {}
  - Optionalcollapsed?: boolean
  - Optionalfilter?: (cmd: Command) => boolean
  - Optionallevel?: "error" | "warn" | "info" | "debug"
    
    Minimum level to log. Ok results log at 'info', failures at 'error'. Default: 'info'.
  - Optionalbadges?: boolean
    
    Prefix the group label with a fixed-width [ OK ] / [ FAIL ] badge. Default: false.
Returns Plugin
Example
```
bus.use(logger()); // ⚡ cartAdd — everything, as before
```
Example
```
// Failures only, with fixed-width [  OK  ] / [ FAIL ] badges
// (colored via %c in browsers, plain brackets in Node)
bus.use(logger({ level: 'error', badges: true }));
```
- Defined in plugins-core.ts:26