[Bug]: Indirect Selectors (execute @p, tellraw ["selector":"@s"]) not populated

### 🐞 Description

https://discord.com/channels/750990873311051786/1498203217991962774

### 🔄 Steps to reproduce

Use command blocks to run "execute as @ p run say" or "tellraw @ a["",{"selector":"@ p"},{"text":" Used the contraption"}]

### ✅ Expected behavior

Populate the user names (might be tricky to get Adventure to do?)

### ❌ Actual behavior

Discord will receive @ p or @ a instead of the username that shows up in the Minecraft chat.

### 🎮 Minecraft Version

1.20.1

### 🛠️ Mod Version

3.4.1

### 📦 Mod Loader

Forge

### 🔧 Mod Loader Version

47.4.20

### 📚 CraterLib Version

3.1.1

### 📜 Logs & Screenshots

_No response_

Start by reproducing the command-block cases on Minecraft 1.20.1 with SDLink 3.4.1, Forge 47.4.20, and CraterLib 3.1.1. Trace how indirect selectors such as @p and @s are handled before the message reaches Discord. Done means the Discord message contains the resolved Minecraft username rather than the selector text.

Written by the indexing model from the issue text.