Implement lover relationship management features: Add endpoints for creating, acknowledging, and managing lover relationships in the FalukantController. Enhance backend models with RelationshipState for tracking relationship statuses. Update frontend components to display and manage lover details, including marriage satisfaction and household tension. Improve localization for new features in multiple languages.

backend/sql/backfill_relationship_state.sql

@@ -0,0 +1,50 @@
+-- PostgreSQL-only backfill script.
+-- Dieses Projekt-Backend nutzt Schemas und PostgreSQL-spezifische SQL-Strukturen.
+-- Nicht auf MariaDB/MySQL ausführen.
+
+BEGIN;
+
+INSERT INTO falukant_data.relationship_state (
+  relationship_id,
+  marriage_satisfaction,
+  marriage_public_stability,
+  lover_role,
+  affection,
+  visibility,
+  discretion,
+  maintenance_level,
+  status_fit,
+  monthly_base_cost,
+  months_underfunded,
+  active,
+  acknowledged,
+  exclusive_flag,
+  created_at,
+  updated_at
+)
+SELECT
+  r.id,
+  55,
+  55,
+  CASE WHEN rt.tr = 'lover' THEN 'lover' ELSE NULL END,
+  50,
+  CASE WHEN rt.tr = 'lover' THEN 20 ELSE 15 END,
+  CASE WHEN rt.tr = 'lover' THEN 45 ELSE 50 END,
+  50,
+  0,
+  CASE WHEN rt.tr = 'lover' THEN 30 ELSE 0 END,
+  0,
+  true,
+  false,
+  false,
+  CURRENT_TIMESTAMP,
+  CURRENT_TIMESTAMP
+FROM falukant_data.relationship r
+INNER JOIN falukant_type.relationship rt
+  ON rt.id = r.relationship_type_id
+LEFT JOIN falukant_data.relationship_state rs
+  ON rs.relationship_id = r.id
+WHERE rs.id IS NULL
+  AND rt.tr IN ('lover', 'wooing', 'engaged', 'married');
+
+COMMIT;