Fix CI lint failure in formula parser regex patterns

[Copilot]

The CI run failed in npm run lint due no-useless-escape violations in src/agent/formulaPatterns.ts. This PR applies a minimal parser-only fix to those regex literals.

• Problem scope

  • The failing job reported three lint errors in advanced formula parsing patterns (COUNTIF, SUMIF, IF) caused by unnecessary escaping in regex groups.

• Code changes

  • Updated three regex alternatives from (\s+to)? to (\\s+to)? inside template string regex sources.
  • Kept matching semantics unchanged while making the regex source valid for ESLint.

• Example (representative change)

// before
(equals?(\s+to)?|is|=|>=|<=|>|< ...)

// after
(equals?(\\s+to)?|is|=|>=|<=|>|< ...)

[Ocean82]

@copilot resolve the merge conflicts in this pull request

[Copilot]

@copilot resolve the merge conflicts in this pull request

Resolved. I merged origin/main into this branch and fixed the conflict in src/agent/formulaPatterns.ts in commit dca7de8.

[Copilot]

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