feat(FalukantService): implement marriage honeymoon pregnancy scheduling logic

- Added a new method to ensure pregnancy scheduling for married couples after the wedding, allowing the system to manage pregnancy due dates effectively.
- Integrated checks for existing pregnancy and relationship flags to prevent duplicate scheduling.
- Updated family retrieval logic to include pregnancy status based on the new scheduling method, enhancing user experience in family management.

backend/services/falukantService.js

@@ -3534,6 +3534,97 @@ class FalukantService extends BaseService {
         }
     }
 
+    /**
+     * Nach der Trauung (relationship = married): geplante Geburt auf der Mutter-Charakterzeile setzen,
+     * damit der Daemon den UserCharacterWorker-Pfad mit pregnancy_due_at nutzen kann.
+     * Läuft idempotent pro Ehe über relationship_state.flags_json.honeymoonPregnancyScheduled.
+     * @returns {{ scheduled: boolean, motherCharacterId?: number }}
+     */
+    async _ensureMarriageHoneymoonPregnancyScheduled({
+        playerCharacterId,
+        playerGender,
+        spouseCharacterId,
+        spouseGender,
+        relationshipId,
+    }) {
+        if (!relationshipId || !playerCharacterId || !spouseCharacterId) {
+            return { scheduled: false };
+        }
+        const norm = (g) => String(g || '').trim().toLowerCase();
+        const isFemale = (g) => {
+            const s = norm(g);
+            return s === 'female' || s === 'f';
+        };
+        const isMale = (g) => {
+            const s = norm(g);
+            return s === 'male' || s === 'm';
+        };
+        let motherId;
+        let fatherId;
+        if (isFemale(playerGender) && isMale(spouseGender)) {
+            motherId = playerCharacterId;
+            fatherId = spouseCharacterId;
+        } else if (isFemale(spouseGender) && isMale(playerGender)) {
+            motherId = spouseCharacterId;
+            fatherId = playerCharacterId;
+        } else {
+            return { scheduled: false };
+        }
+
+        const stateRow = await RelationshipState.findOne({ where: { relationshipId } });
+        const flags = stateRow?.flagsJson && typeof stateRow.flagsJson === 'object'
+            ? { ...stateRow.flagsJson }
+            : {};
+        if (flags.honeymoonPregnancyScheduled) {
+            return { scheduled: false };
+        }
+
+        const pregRows = await sequelize.query(
+            `SELECT pregnancy_due_at FROM falukant_data."character" WHERE id = :id`,
+            { replacements: { id: motherId }, type: Sequelize.QueryTypes.SELECT }
+        );
+        if (pregRows[0]?.pregnancy_due_at) {
+            return { scheduled: false };
+        }
+
+        // Gleicher Default wie adminForceFalukantPregnancy (21 Tage bis Geburt — komprimierte Spielzeit).
+        const BIRTH_DUE_DAYS = 21;
+        const due = new Date();
+        due.setDate(due.getDate() + BIRTH_DUE_DAYS);
+
+        await FalukantCharacter.unscoped().update(
+            {
+                pregnancyDueAt: due,
+                pregnancyFatherCharacterId: fatherId,
+            },
+            { where: { id: motherId } }
+        );
+
+        const mergedFlags = { ...flags, honeymoonPregnancyScheduled: true };
+        if (stateRow) {
+            await stateRow.update({ flagsJson: mergedFlags });
+        } else {
+            await RelationshipState.create({
+                relationshipId,
+                ...this.buildDefaultRelationshipState('married'),
+                flagsJson: mergedFlags,
+            });
+        }
+
+        const mother = await FalukantCharacter.unscoped().findByPk(motherId, { attributes: ['id', 'userId'] });
+        if (mother?.userId) {
+            const fu = await FalukantUser.findByPk(mother.userId);
+            if (fu) {
+                const u = await User.findByPk(fu.userId);
+                if (u?.hashedId) {
+                    await notifyUser(u.hashedId, 'familychanged', {});
+                }
+            }
+        }
+
+        return { scheduled: true, motherCharacterId: motherId };
+    }
+
     async getFamily(hashedUserId) {
         const user = await this.getFalukantUserByHashedId(hashedUserId);
         if (!user) throw new Error('User not found');
@@ -3824,6 +3915,19 @@ class FalukantService extends BaseService {
                 family.possiblePartners = await this.getPossiblePartners(character.id);
             }
         }
+        const marriedRel = family.relationships.find((r) => r.relationshipType === 'married');
+        if (marriedRel?.id && marriedRel.character2?.id != null) {
+            const honeymoon = await this._ensureMarriageHoneymoonPregnancyScheduled({
+                playerCharacterId: character.id,
+                playerGender: character.gender,
+                spouseCharacterId: marriedRel.character2.id,
+                spouseGender: marriedRel.character2.gender,
+                relationshipId: marriedRel.id,
+            });
+            if (honeymoon.scheduled && honeymoon.motherCharacterId === character.id) {
+                family.pregnancy = await this._getCharacterPregnancyOptional(character.id);
+            }
+        }
         return family;
     }