Function assignTraits

assignTraits(
    stats: StatBlock,
    pool: readonly TraitDef[],
    count: number,
): AssignedTrait[]
Draws count distinct traits at random from pool and applies their modifiers to stats permanently - no clock, no trigger, nothing removes them automatically. Each trait gets its own source symbol so a game that genuinely needs to strip one later still can, via StatBlock.removeModifiersFrom, even though nothing here ever calls that itself.
Parameters
- stats: StatBlock
- pool: readonly TraitDef[]
- count: number
  clamped to pool.length - asking for more traits than exist in the pool assigns every one of them rather than throwing
Returns AssignedTrait[]
Example
```
import { assignTraits, StatBlock, type TraitDef } from '@datamoc/mw_games/actors';

const stats = new StatBlock({ base: { strength: 10, speed: 10 } });
const pool: TraitDef[] = [
  { name: 'strong', modifiers: [{ stat: 'strength', op: 'add', value: 3 }] },
  { name: 'fast', modifiers: [{ stat: 'speed', op: 'add', value: 3 }] },
];

const assigned = assignTraits(stats, pool, 1); // one random trait, applied permanently
console.log(assigned[0].trait.name);
```
- Defined in src/actors/Traits.ts:47