feat(mcp): payroll e2e parity: staged salary-run booking + absence deletion (#1075)

* feat(mcp): payroll e2e parity: staged salary-run booking + absence deletion

Close the last MCP-surface gaps for running payroll end-to-end via the
connector (the v1 REST API already had the full chain):

- gnubok_book_salary_run: stages a high-risk book operation; on approval
  the executor walks review -> approved -> paid -> booked via the new
  lib/salary/book-run.ts (extracted from the dashboard book route, which
  now calls the same core) and posts the immutable salary vouchers.
- gnubok_delete_absence: staged inverse of gnubok_register_absence,
  reusing deleteAbsenceRange with a dry-run day-count preview.
- Wire the missing payroll operation types into the Granskning label map
  (register_absence, update_payslip_line, employee ops, vacation_year_close
  had translations but fell back to humanized snake_case).
- Update stale 'booking happens in the web UI' prose in tool descriptions,
  the payroll-monthly skill, and the workflow hint; payload-size ceiling
  56K -> 57K per the documented bump protocol.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

* fix(mcp): widen pending_operations op-type CHECK + roster typing for book_salary_run

The op-type audit (pg-real) caught the exact bug class it exists for:
book_salary_run and delete_absence were staged in code without the
constraint-expansion migration, so every real staging INSERT would have
failed with check_violation while dry_run previewed clean. Ships the
documented widen (NOT VALID) + validate migration pair. Also fixes the
strict-mode cast in book-run.ts that failed the production typecheck.

Verified locally against supabase/postgres 15.8.1.060 with all migrations
applied: op-type audit green, pg-real 692/693 (the one failure is the
pre-existing TZ-sensitive get_unlinked_1930_lines assertion, green under
TZ=UTC as in CI).

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

---------

Co-authored-by: Claude Fable 5 <noreply@anthropic.com>

types/index.ts

@@ -2048,6 +2048,12 @@ export type PendingOperationType =
   | 'create_employee'
   | 'update_employee'
   | 'set_employee_opening_balances'
+  // Payroll e2e parity with the v1 REST surface: book a calculated run
+  // (walks review → approved → paid → booked; the staged approval is the
+  // authorization act) and remove registered absence days. Employee
+  // archiving needs no own op: update_employee with is_active=false.
+  | 'book_salary_run'
+  | 'delete_absence'
   // Semesterårsavslut: rolls vacation balances into the next year and may
   // post a 2920/2940 drift-adjustment verifikation (Phase 3).
   | 'vacation_year_close'