Implement lover installment logic in FalukantFamilyWorker: Added support for processing lover maintenance payments every 2 hours, including new SQL queries for installment tracking and updates to relationship states. Enhanced WebSocket events to notify UI of installment changes, improving family dynamics and financial interactions.

src/worker/sql.rs

@@ -2395,6 +2395,66 @@ pub const QUERY_MARK_LOVER_MONTHLY_DONE: &str = r#"
      WHERE relationship_id = $1::int;
 "#;
 
+/// Liebschaft: fällige Teilzahlung (alle 2 h), Migration `006_falukant_lover_installments.sql`.
+pub const QUERY_GET_ACTIVE_LOVER_ROWS_FOR_INSTALLMENT: &str = r#"
+    SELECT
+        r.id AS rel_id,
+        r.character1_id AS c1,
+        r.character2_id AS c2,
+        rs.lover_role,
+        rs.affection,
+        rs.visibility,
+        rs.discretion,
+        rs.maintenance_level,
+        rs.status_fit,
+        rs.monthly_base_cost,
+        rs.scandal_extra_daily_pct,
+        rs.months_underfunded,
+        c1.gender AS g1,
+        c2.gender AS g2,
+        COALESCE(t1.tr, '') AS title1_tr,
+        COALESCE(t2.tr, '') AS title2_tr,
+        COALESCE(c1.reputation, 50)::float8 AS rep1,
+        COALESCE(c2.reputation, 50)::float8 AS rep2,
+        fu1.id AS user1_id,
+        fu2.id AS user2_id,
+        LEAST(
+            ((CURRENT_DATE - c1.birthdate::date) / 365),
+            ((CURRENT_DATE - c2.birthdate::date) / 365)
+        )::int AS min_age_years
+    FROM falukant_data.relationship r
+    JOIN falukant_type.relationship rt
+        ON rt.id = r.relationship_type_id AND rt.tr = 'lover'
+    JOIN falukant_data.relationship_state rs ON rs.relationship_id = r.id
+    JOIN falukant_data.character c1 ON c1.id = r.character1_id
+    JOIN falukant_data.character c2 ON c2.id = r.character2_id
+    LEFT JOIN falukant_type.title t1 ON t1.id = c1.title_of_nobility
+    LEFT JOIN falukant_type.title t2 ON t2.id = c2.title_of_nobility
+    LEFT JOIN falukant_data.falukant_user fu1 ON fu1.id = c1.user_id
+    LEFT JOIN falukant_data.falukant_user fu2 ON fu2.id = c2.user_id
+    WHERE rs.active = true
+      AND (
+          rs.lover_last_installment_at IS NULL
+          OR rs.lover_last_installment_at < NOW() - INTERVAL '2 hours'
+      );
+"#;
+
+pub const QUERY_MARK_LOVER_INSTALLMENT_AT: &str = r#"
+    UPDATE falukant_data.relationship_state
+       SET lover_last_installment_at = NOW()
+     WHERE relationship_id = $1::int;
+"#;
+
+pub const QUERY_LOVER_INSTALLMENT_SCHEMA_READY: &str = r#"
+    SELECT EXISTS (
+        SELECT 1
+            FROM information_schema.columns
+         WHERE table_schema = 'falukant_data'
+           AND table_name = 'relationship_state'
+           AND column_name = 'lover_last_installment_at'
+    ) AS ready;
+"#;
+
 pub const QUERY_UPDATE_CHARACTER_REPUTATION: &str = r#"
     UPDATE falukant_data.character
        SET reputation = $1::numeric,