Pre-launch checklist

I am about to launch {{product}}. Help me do a final pre-launch check.

Product:
- What it is: {{one line}}
- Stack: {{e.g. Next.js}}
- Audience: {{who, domestic or overseas}}
- Does it have: user accounts / payments / form submissions / user-generated content

Give me a checklist covering:
1. Functionality: does the core path work, any broken links or placeholder copy?
2. Mobile: does it break at common screen sizes?
3. Performance: first paint, image weight, obvious jank.
4. Security: any secrets leaked to the client, is user input validated?
5. Compliance: {{ICP filing needed / privacy policy / UGC moderation}}
6. Fallbacks: what users see on error, is there a 404 page?

Rules:
- Split into two tiers: "cannot launch without this" and "fine to add after launch".
- Filter to what applies based on my answers above. No irrelevant items.
- For the China market, call out filing and individual-account restrictions separately (individual entities usually cannot do payments, UGC communities or game categories).

Replace the {{}} parts with your own content

Why it works

1. Two tiers keep the list usable - a giant list gets ignored, and perfectionism delays launch forever
2. Filtering by your actual answers makes the checklist fit your product instead of being generic
3. Separating filing and individual-entity limits surfaces the non-technical blockers that decide whether you can launch at all
4. "What users see on error" is the piece AI-built projects most often lack - without it, any exception is a white screen

What it looks like

Before launching an individually-owned WeChat mini program, AI flags: no virtual payments, no UGC community, pick the right category, and filing requires a mainland-ID admin to pass face verification.

Where it bites

• !Checking only functionality and ignoring compliance - being taken down is worse than having bugs
• !No fallback UI, so users hit a white screen on any error and bounce

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