🧩 Modular Internal Design
Each DB class handles only its responsibility:
| Module | Responsibility |
|---|---|
BaseDB |
Safe FS + JSON ops |
UserDB |
User resolution & traversal |
ProductDB |
Product ownership |
ChannelDB |
Channel capacity & limits |
ContentDB |
Content chunking |
Handle_ID |
ID normalization |
DeleteAll |
Controlled cleanup |