fix: update server.js with latest chart rendering improvements

feat: remove PDF size hard rejection, allow large files to proceed with warning

feat: add messageCount parameter to PDF generation logging

chore: increase HTML size limit from 8MB to 10MB for backend consistency

fix: use textOnlySizeMB for PDF render time estimation

feat: PDF backend enhancements — 8 MB HTML size limit, dynamic timeout with cubic formula, protocolTimeout=0, temp file method for large HTML

fix: enhance chart extraction - multi-chart support, ES6 shorthand, and brace-balanced parsing

feat: add widget renderer (chart.js, mermaid) and bump to v2.0.0

fix: change htmlToUse from const to let for future reassignment compatibility

feat: update server logic

fix: restore data-language attribute in Shiki-highlighted code blocks

v1.4.6 代码块高亮最终方案 - Shiki 后端预高亮

fix: add dynamic timeout for PDF generation to prevent timeout on large pages

Add dashed separators around API request log line

v1.4.4 - Add platform, export count, language and per-format counts to backend log

fix: increase base timeout from 30s to 60s for PDF generation

fix: dynamic timeout for Puppeteer PDF generation

fix: improve PDF image rendering - remove lazy loading, handle base64 images, add screenshot workaround

fix: optimize PDF generation - use headless shell mode, extend image timeout, add network idle wait

feat: add environment-aware logging and dual-environment support

Rollback to Puppeteer 22.x - v24.x has critical PDF encoding bug

Fix Puppeteer 24.x Chrome launch in Docker

Upgrade Puppeteer to v24.x for better PDF generation

Optimize PDF generation with dynamic wait times based on image stats

Fix: Replace deprecated page.waitForTimeout with delay helper

压力测试

feat: support showWatermark parameter for dynamic footer

fix: update PDF generation to respect frontend margins and improve footer

Force right alignment for PDF footer using Flexbox to fix centering issue

Update PDF Footer: Page numbers only (Right aligned), remove Powered By (moved to HTML body)

Enable PDF footer with page numbers (1/N) and powered-by text

Use preferCSSPageSize: true for exact print preview matching

Adjust PDF margins to 10mm (matching local print preview)

Reduce PDF margins: L/R 5mm, T/B 15mm

Switch to Node.js + Puppeteer for 100% fidelity PDF