v1.4.487

Changes

PR #2219 by anandghegde: feat: add --extract and --extract-last to output only a fenced code block

• Feat: add --extract and --extract-last flags that output only the first or last fenced code block of the response, like llm -x
• Falls back to the full response when no fenced code block is found

Direct commits

• Merge branch 'main' into docs/sync-chinese-translation