feat: add work assignment doctype with member hour tracking (LAN-885)

[MarcCon]

This PR enables tracking of work hours for members through work assignments.

Features:

• Work Assignment DocType
• Work Hours Report
• button to create work assignments directly from a member record

Open Questions:
Do we need a hourly account for a member? It is not necessary for the report.

[barredterra]

Good start!

I think in the requirements I read that each Organization should be able to specify a number of working hours per year and we need to track the members´ actual working hours against that. And, ideally, also allow carrying over excess working hours to the next year.

Let's also add the Work Assignment to the connections in the LANDA Member form.

[MarcCon]

Good start!

I think in the requirements I read that each Organization should be able to specify a number of working hours per year and we need to track the members´ actual working hours against that. And, ideally, also allow carrying over excess working hours to the next year.

Let's also add the Work Assignment to the connections in the LANDA Member form.

My idea would be to add a DocType "Organization Work Hours" with a child table to show members of the organization with their hours from the Work Assignment DocType and validate them against the target hours.

[barredterra]

See my alternative proposal in LAN-885

To fix this, remove the unnecessary pass statement from the WorkLedgerEntry class body while leaving the auto-generated types block untouched. This preserves all existing behavior (including type-checker-only hints) and simply eliminates a redundant no-op.

Concretely, in landa/organization_management/doctype/work_ledger_entry/work_ledger_entry.py, delete line 27 (pass) from the WorkLedgerEntry class definition. No additional imports, methods, or definitions are needed.

[barredterra]

Ich habe in "Work Ledger Balance" die Spaltenbreiten angepasst und die Logik so angepasst, dass Work Ledger Entries ohne Work Assignment in der "Expected"-Spalte landen, und solche mit Work Assignment in der "Hours Worked"-Spalte (statt unter/über Null). Dadurch wird eine Verringerung der Expected Hours via Organization nicht mehr als geleistete Arbeit angezeigt.

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Weitere nötige Arbeiten:

• Work Assignment:

  • Connections mit Link auf Work Ledger Entry hinzufügen
  • DocType ist submittable, aber niemand hat Submit-Rechte (auch Cancel, Amend, usw)

• Bericht "Arbeitsstunden"

  • Für Zeilen ohne Work Assignment sollten wir eine hilfreiche Beschreibung ausgeben, z.B. "Anpassung der erwarteten Arbeitszeit".
  • Spalte "Gesamtstunden" umbenennen zu "Stundensaldo"

• Berichte zu Workspace "Vereinsverwaltung" hinzufügen

• Als normaler Nutzer (Rolle "Mitgliederverwaltung Verein") durchtesten

• TypeError beheben:

     File "/home/runner/frappe-bench/apps/landa/landa/organization_management/doctype/organization/organization.py", line 105, in on_update
       create_expected_hours_adjustment_entries(self.name, old - new)
                                                           ~~~~^~~~~
   TypeError: unsupported operand type(s) for -: 'float' and 'NoneType'