afv-library/skills/generating-mermaid-diagrams/references/preview-guide.md
sandipkumar-yadav 37aa84df42
feat: @W-22444026@ Introducing Core Skills, Datacloud Skills, Industries and Utility Skills. (#268)
* Migrating Core Salesforce Skills

* Updating pr comments

* updat reference

* Updating a skill

* Migrating Datacloud skills

* Migrating Industries cloud skills

* Validating - skills fixing

---------

Co-authored-by: Sandip Kumar Yadav <sandipkumar.yadav+sfemu@salesforce.com>
2026-05-14 19:32:15 +05:30

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<!-- Parent: generating-mermaid-diagrams/SKILL.md -->
# Mermaid Preview Server Guide
After generating the diagram, offer the user a localhost preview for real-time iteration.
## Start Preview
1. Save Mermaid code to temporary file:
```
Write: /tmp/mermaid-preview.mmd
[Mermaid code content]
```
2. Start preview server (runs in background):
```bash
# From installed skill folder:
python ~/.claude/skills/generating-mermaid-diagrams/scripts/mermaid_preview.py start --file /tmp/mermaid-preview.mmd
# Or from project folder (if working locally):
python [project-root]/skills/generating-mermaid-diagrams/scripts/mermaid_preview.py start --file /tmp/mermaid-preview.mmd
```
3. Provide URL to user:
> **Preview available**: http://localhost:8765
>
> The browser will auto-reload when you update the diagram.
## Iteration Workflow
- User views diagram in browser
- User requests changes ("make boxes pink", "add another node")
- You update `/tmp/mermaid-preview.mmd` using the Write tool
- Browser auto-reloads with new diagram (via SSE)
- Repeat until user is satisfied
## Stop Preview
When user is done:
```bash
python ~/.claude/skills/generating-mermaid-diagrams/scripts/mermaid_preview.py stop
```
## Preview Server Features
- Live reload via Server-Sent Events (SSE)
- Dark/light theme auto-detection
- Copy Mermaid code button
- Download as SVG button
- Connection status indicator