[plan] Fix broken heading hierarchy in Quick Start guide

[github-actions]

Context

Identified in discussion #17680 — a quality analysis of documentation and CLI files.

Objective

Fix the inconsistent heading level for Step 3 in the Quick Start guide. Steps 1, 2, and 4 all use ### (h3), but Step 3 incorrectly uses ## (h2), causing it to visually dominate the page and break the numbered flow.

File to Modify

docs/src/content/docs/setup/quick-start.mdx

Change Required

Line 75 — Before:

## Step 3 - Wait for the workflow to complete

After:

### Step 3 - Wait for the workflow to complete

Acceptance Criteria

• All four numbered steps use ### (h3) consistently
• No other changes to the file
• Rendered documentation shows uniform visual hierarchy for all four steps

Generated by Plan Command for issue #discussion #17680

• expires on Feb 24, 2026, 3:47 PM UTC