---
id: "validate-install-pack"
type: "guide"
title: "Validate and explicitly install a metadata pack"
summary: "Validate first, then confirm installation."
why: "Validation alone must not change runtime."
audiences: ["builders", "developers"]
related: ["explicit-metadata-installation"]
invariants: ["Intelligence proposals never auto-install"]
confirmationRequired: true
---
# Validate and explicitly install a metadata pack

Validate first, then confirm installation.

## Why this path

Validation alone must not change runtime.

## Invariants

- Intelligence proposals never auto-install

## Steps

1. **Validate pack** — Validation report
2. **Confirm install** — User confirms
3. **Install pack** — Effective metadata updates

## Verification

- Effective metadata reflects the pack