v8.9.0-dev.6

• Merge pull request #1721 from kaitranntt/kai/fix/1716-websearch-probe-perf
• Merge pull request #1720 from kaitranntt/kai/fix/1714-quota-remaining-label
• fix(websearch): format status.ts
• fix(websearch): filter disabled legacy CLI probes and skip unused version fetching
• feat(cliproxy): clarify quota percentages are remaining in CLI output