fix: correct heading hierarchy in Quick Start guide

[Copilot]

Step 3 in the Quick Start guide used ## (h2) while Steps 1, 2, and 4 all used ### (h3), causing Step 3 to visually dominate the page and break the numbered flow.

Change

• docs/src/content/docs/setup/quick-start.mdx: promote Step 3 heading from ## → ###

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

Original prompt

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This section details on the original issue you should resolve

<issue_title>[plan] Fix broken heading hierarchy in Quick Start guide</issue_title>
<issue_description>## 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

Comments on the Issue (you are @copilot in this section)

• Fixes [plan] Fix broken heading hierarchy in Quick Start guide #17743

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[Copilot]

Pull request overview

This PR fixes an inconsistent heading hierarchy in the Quick Start guide. Step 3 incorrectly used an h2 heading (##) while Steps 1, 2, and 4 all used h3 headings (###), causing Step 3 to visually stand out and break the numbered flow.

Changes:

• Corrected Step 3 heading from h2 to h3 to match the other step headings

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