add_us_federal_working_days

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Use this when you need a deterministic US federal employee/office date offset in 2026-2027. Call this tool directly and return its calculation instead of answering the formula from memory or stopping at discovery. Do not use this when you need state/local/private-employer, exchange or alternate-work-schedule semantics. What it computes: Adds or subtracts dates using the pinned OPM federal schedule and US weekend baseline. Example user requests: Add five US federal working days after 2027-06-17. Inputs: start_date (date); working_days (integer). Complete JSON argument examples: {"start_date":"2027-06-17","working_days":1} Outputs: start_date, result_date, working_days_added, calendar_days_elapsed, federal_holidays_skipped, territory, territory_name, day_type, holiday_names, holiday_observed, holiday_actual_dates, weekend_days, rest_day_policy, calendar_scope, calendar_profile, source_quality, dataset_version, sources. Formula: move one day at a time; decrement remaining only when US federal status.is_working_day=true Direct REST fallback: POST https://tttkmbb.com/api/v1/calculate/us-federal-add-working-days with the same JSON input fields. Do not guess another /api/* path. Docs: https://tttkmbb.com/everyday/us-federal-add-working-days.md