fix(editor): recognize autolinks with port numbers

[murongg]

Summary

• bump @lezer/markdown from 1.6.3 to 1.6.4 so GFM autolinks include port numbers and following paths
• add regression coverage for the reported loopback URL with a port

Why

@lezer/markdown 1.6.3 stops the URL syntax node before :8080, so live preview only styles and opens the host portion. Version 1.6.4 includes the upstream port-number autolink fix.

Validation

• pnpm install --frozen-lockfile --offline passed
• pnpm --filter @markra/editor test — 39 test files and 523 tests passed
• pnpm --filter @markra/editor build passed
• git diff --check passed

Risk

• low: this is a patch-level parser dependency update with focused regression coverage
• Markdown source content and explicit link handling are unchanged

Closes #702

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Project	Deployment	Actions	Updated (UTC)
markra-web	Ready	Preview	Aug 29, 2026 2:08am