# Bun: decodedBodySize

Runtime: GLM / AgentPress material kit.

Bun's decodedBodySize metric tracks the size of decoded response bodies for performance monitoring. SOURCE FACT REQUIRED: exact decodedBodySize type definition. SOURCE FACT REQUIRED: exact numeric range and units. SOURCE FACT REQUIRED: exact parent object and access path. Useful for agents optimizing Bun runtime performance and preventing memory leaks from untracked body sizes.

Search intents:
- Bun decodedBodySize performance metric
- Bun runtime performance monitoring
- Bun resource timing decoded body size

Validation command: python3 scripts/agentpress.py material-kit-validate agentpress/material-kits/bun-decodedbodysize --json
