Update dependency marked to v18

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
marked (source)	^17.0.6 → ^18.0.0

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Release Notes

markedjs/marked (marked)

v18.0.2

Compare Source

Bug Fixes

• fix infinite loop for indented code blank line (#​3947) (58a52e8)

v18.0.1

Compare Source

Bug Fixes

• rules: ensure lookbehind regex is evaluated correctly by minifiers (#​3945) (abd907a)

v18.0.0

Compare Source

Bug Fixes

• Bump typescript from 5.9.3 to 6.0.2 (#​3934) (e8efc51)
• prevent GFM table tokens from greedily capturing trailing newlines (#​3926) (40f2665)
• prevent heading and def tokens from greedily capturing multiple newlines (#​3925) (b379e3e)
• trim blank lines from block tokens (#​3939) (b70895f)

BREAKING CHANGES

• trim trailing blank lines from block tokens
• update Typescript to v6

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Project	Deployment	Actions	Updated (UTC)
lobe-ui	Ready	Preview, Comment	Apr 27, 2026 5:53am

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[chatgpt-codex-connector]

Hold marked major bump until stream block keys are stabilized

This upgrade pulls in a documented marked v18 lexer breaking change (trailing blank lines are no longer part of block tokens), but StreamdownRender currently uses token.raw lengths to compute startOffset and uses that offset as the React key/state identity (src/Markdown/SyntaxMarkdown/StreamdownRender.tsx, block lexing and key generation). When streamed markdown contains blank-line-separated blocks, the new token boundaries can shift those derived offsets and reset queue/animation state for existing blocks, which shows up as flicker or restarted block animations during incremental updates unless the keying strategy is adjusted (or marked stays on v17).

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