2nd November 2025 — HTML Paste Dialog Enhancements #70

build 341 — Resolves #70 — commit a2c9348

Enhanced HTML migration dialog workflow and fixed Puppeteer timeout issues with Fly.io-optimized browser configuration.

Where to Find It

• Dynamic Content → Markdown Editor: HTML paste dialog
• Admin → Migration: Base URL selection and custom URL management

Benefits

• Better URL Selection: Proper dropdown replaces datalist, with dedicated custom URL input
• Persistent Dialog: No auto-close when switching windows to copy URLs
• Save Custom URLs: Checkbox option to save custom URLs to migration config
• Faster Page Loads: Changed from 'networkidle2' to 'domcontentloaded' wait strategy
• Fly.io Optimized: Browser flags prevent container memory issues
• Longer Timeout: 60-second timeout accommodates slow Fly.io environments
• Better Visual Emphasis: Dimmed backdrop on processing indicator

Technical Details

Frontend Changes:

• Replace datalist with proper dropdown select for base URL selection
• Add 'Custom URL...' option triggering dedicated input field
• Remove overlay click handler (prevents dialog auto-close)
• Add dimmed backdrop to paste processing indicator
• Prompt to save custom URLs with checkbox option
• Auto-save new migration config entries when user opts in
• Reset all custom URL state on dialog close
• Remove auto-resize on input (prevents scroll jumping)

Backend Changes:

• Increase Puppeteer timeout from 30s to 60s for Fly.io
• Change wait strategy from 'networkidle2' to 'domcontentloaded'
• Add Fly.io-optimized browser launch flags:
  • --disable-dev-shm-usage (prevents container memory issues)
  • --disable-accelerated-2d-canvas (reduces resource usage)
  • --no-first-run, --no-zygote, --disable-gpu (container optimizations)

UX Improvements:

• Dropdown displays all existing migration config URLs
• Custom URL input appears only when 'Custom URL...' selected
• Checkbox prompts to save for future use
• Dialog persists when switching windows