Files
sure/app/views/retirement/_form_fields.html.erb
Chakib cc12c4465d Add retirement / FIRE planning feature
Introduces retirement and FIRE (Financial Independence, Retire Early)
planning as a new top-level feature in the sidebar navigation.

Key features:
- RetirementConfig model: stores retirement planning parameters per family
  (birth year, retirement age, target income, pension system, etc.)
- PensionEntry model: tracks pension statements (Renteninformation) over time
  with pension points, current/projected monthly pension
- German GRV pension calculations:
  - Estimated monthly pension from Entgeltpunkte x Rentenwert
  - After-tax pension estimation
  - Monthly pension gap analysis
- FIRE calculations:
  - FIRE number (capital needed via 4% rule, inflation-adjusted)
  - FIRE progress percentage from current portfolio value
  - Estimated FIRE date (iterative monthly projection)
  - Required monthly savings to close pension gap
- Dashboard view with overview cards, FIRE progress bar, assumptions panel,
  and pension history table with add/delete entries
- Setup and edit views for configuring retirement parameters
- Full i18n support (English + German)
- Minitest coverage for models and controller

Database: 2 new tables (retirement_configs, pension_entries) with UUID PKs
Routes: singular resource with setup, add/destroy pension entry actions

This is an initial implementation focused on the German GRV pension system.
The architecture supports extending to other pension systems (custom/other).
Open to suggestions and improvements from the community - contributions for
additional pension systems, visualization charts, or calculation refinements
are very welcome.
2026-02-23 18:29:45 +01:00

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<%# Shared fieldsets for retirement setup and edit forms %>
<%# Personal Info %>
<fieldset class="space-y-4">
<legend class="text-lg font-medium text-primary"><%= t(".personal_section") %></legend>
<div class="grid grid-cols-1 md:grid-cols-2 gap-4">
<div>
<label for="retirement_config_birth_year" class="block text-sm font-medium text-secondary mb-1"><%= t(".birth_year") %></label>
<%= f.number_field :birth_year, min: 1901, max: Date.current.year, class: "form-input w-full rounded-lg border border-secondary bg-container text-sm text-primary px-3 py-2", required: true %>
</div>
<div>
<label for="retirement_config_retirement_age" class="block text-sm font-medium text-secondary mb-1"><%= t(".retirement_age") %></label>
<%= f.number_field :retirement_age, min: 50, max: 80, class: "form-input w-full rounded-lg border border-secondary bg-container text-sm text-primary px-3 py-2", required: true %>
</div>
</div>
</fieldset>
<%# Financial Targets %>
<fieldset class="space-y-4">
<legend class="text-lg font-medium text-primary"><%= t(".financial_section") %></legend>
<div class="grid grid-cols-1 md:grid-cols-2 gap-4">
<div>
<label for="retirement_config_target_monthly_income" class="block text-sm font-medium text-secondary mb-1"><%= t(".target_monthly_income") %></label>
<%= f.number_field :target_monthly_income, step: 100, min: 0, class: "form-input w-full rounded-lg border border-secondary bg-container text-sm text-primary px-3 py-2", required: true %>
</div>
<div>
<label for="retirement_config_current_monthly_savings" class="block text-sm font-medium text-secondary mb-1"><%= t(".current_monthly_savings") %></label>
<%= f.number_field :current_monthly_savings, step: 50, min: 0, class: "form-input w-full rounded-lg border border-secondary bg-container text-sm text-primary px-3 py-2" %>
</div>
</div>
<div>
<label for="retirement_config_currency" class="block text-sm font-medium text-secondary mb-1"><%= t(".currency") %></label>
<%= f.select :currency, Money::Currency.as_options.map { |c| ["#{c.name} (#{c.iso_code})", c.iso_code] }, {}, class: "form-select w-full rounded-lg border border-secondary bg-container text-sm text-primary px-3 py-2" %>
</div>
</fieldset>
<%# Pension System %>
<fieldset class="space-y-4">
<legend class="text-lg font-medium text-primary"><%= t(".pension_section") %></legend>
<div class="grid grid-cols-1 md:grid-cols-2 gap-4">
<div>
<label for="retirement_config_pension_system" class="block text-sm font-medium text-secondary mb-1"><%= t(".pension_system") %></label>
<%= f.select :pension_system, RetirementConfig::PENSION_SYSTEMS.map { |s| [t("retirement.pension_systems.#{s}", default: s.humanize), s] }, {}, class: "form-select w-full rounded-lg border border-secondary bg-container text-sm text-primary px-3 py-2" %>
</div>
<div>
<label for="retirement_config_country" class="block text-sm font-medium text-secondary mb-1"><%= t(".country") %></label>
<%= f.text_field :country, class: "form-input w-full rounded-lg border border-secondary bg-container text-sm text-primary px-3 py-2" %>
</div>
</div>
<div class="grid grid-cols-1 md:grid-cols-3 gap-4">
<div>
<label for="retirement_config_expected_annual_points" class="block text-sm font-medium text-secondary mb-1"><%= t(".expected_annual_points") %></label>
<%= f.number_field :expected_annual_points, step: 0.01, min: 0, class: "form-input w-full rounded-lg border border-secondary bg-container text-sm text-primary px-3 py-2" %>
<p class="text-xs text-secondary mt-1"><%= t(".expected_annual_points_hint") %></p>
</div>
<div>
<label for="retirement_config_rentenwert" class="block text-sm font-medium text-secondary mb-1"><%= t(".rentenwert") %></label>
<%= f.number_field :rentenwert, step: 0.01, min: 0, class: "form-input w-full rounded-lg border border-secondary bg-container text-sm text-primary px-3 py-2" %>
<p class="text-xs text-secondary mt-1"><%= t(".rentenwert_hint") %></p>
</div>
<div>
<label for="retirement_config_contribution_start_year" class="block text-sm font-medium text-secondary mb-1"><%= t(".contribution_start_year") %></label>
<%= f.number_field :contribution_start_year, min: 1960, max: Date.current.year, class: "form-input w-full rounded-lg border border-secondary bg-container text-sm text-primary px-3 py-2" %>
</div>
</div>
</fieldset>
<%# Assumptions %>
<fieldset class="space-y-4">
<legend class="text-lg font-medium text-primary"><%= t(".assumptions_section") %></legend>
<div class="grid grid-cols-1 md:grid-cols-3 gap-4">
<div>
<label for="retirement_config_expected_return_pct" class="block text-sm font-medium text-secondary mb-1"><%= t(".expected_return") %></label>
<%= f.number_field :expected_return_pct, step: 0.1, min: 0, max: 30, class: "form-input w-full rounded-lg border border-secondary bg-container text-sm text-primary px-3 py-2" %>
</div>
<div>
<label for="retirement_config_inflation_pct" class="block text-sm font-medium text-secondary mb-1"><%= t(".inflation") %></label>
<%= f.number_field :inflation_pct, step: 0.1, min: 0, max: 20, class: "form-input w-full rounded-lg border border-secondary bg-container text-sm text-primary px-3 py-2" %>
</div>
<div>
<label for="retirement_config_tax_rate_pct" class="block text-sm font-medium text-secondary mb-1"><%= t(".tax_rate") %></label>
<%= f.number_field :tax_rate_pct, step: 0.01, min: 0, max: 100, class: "form-input w-full rounded-lg border border-secondary bg-container text-sm text-primary px-3 py-2" %>
</div>
</div>
</fieldset>