diff --git a/misc/org-backend.env.example b/misc/org-backend.env.example
index 4bc0688..9229c97 100755
--- a/misc/org-backend.env.example
+++ b/misc/org-backend.env.example
@@ -24,19 +24,19 @@ EMACS_RUN_DIR=/home/zaine
 EMACS_RUN_LOG=/home/zaine/logs/emacs.log
 COMBINED_RUN_LOG=/home/zaine/logs/combined.log
 
-PLAY_RPG_SAVE_DIR=/home/zaine/master-folder/org-platform/org_backend/data/rpg-saves
-
-# Calendar sync
-NEXTCLOUD_CALDAV_URL=https://nextcloud.zainezq.com/remote.php/dav/calendars/zaine/
-NEXTCLOUD_CALDAV_CALENDARS=personal,zxh
-NEXTCLOUD_CALDAV_USERNAME=zaine
-NEXTCLOUD_CALDAV_PASSWORD=change-me-to-a-nextcloud-app-password
-CALENDAR_TIMEZONE=Europe/London
-CALENDAR_SYNC_DAYS_BACK=30
-CALENDAR_SYNC_DAYS_FORWARD=365
-# Optional: external ICS feed for work calendar
-WORK_ICS_URL=
-
-# Leave unset on private zone — timesheet API read/write without credentials
-# ORG_BACKEND_API_KEY=
-TIMESHEET_AUTH_REQUIRED=false
+PLAY_RPG_SAVE_DIR=/home/zaine/master-folder/org-platform/org_backend/data/rpg-saves
+
+# Calendar sync
+NEXTCLOUD_CALDAV_URL=https://nextcloud.zainezq.com/remote.php/dav/calendars/zaine/
+NEXTCLOUD_CALDAV_CALENDARS=personal,zxh
+NEXTCLOUD_CALDAV_USERNAME=zaine
+NEXTCLOUD_CALDAV_PASSWORD=change-me-to-a-nextcloud-app-password
+CALENDAR_TIMEZONE=Europe/London
+CALENDAR_SYNC_DAYS_BACK=30
+CALENDAR_SYNC_DAYS_FORWARD=365
+# Optional: external ICS feed for work calendar
+WORK_ICS_URL=
+
+# Leave unset on private zone — timesheet API read/write without credentials
+# ORG_BACKEND_API_KEY=
+TIMESHEET_AUTH_REQUIRED=false
diff --git a/src/main/java/org/zaine/app/controller/PeriodCompanionController.java b/src/main/java/org/zaine/app/controller/PeriodCompanionController.java
old mode 100644
new mode 100755
diff --git a/src/main/java/org/zaine/app/dto/PeriodCompanionDTO.java b/src/main/java/org/zaine/app/dto/PeriodCompanionDTO.java
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new mode 100755
diff --git a/src/main/java/org/zaine/app/model/PeriodCycle.java b/src/main/java/org/zaine/app/model/PeriodCycle.java
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diff --git a/src/main/java/org/zaine/app/model/PeriodDailyLog.java b/src/main/java/org/zaine/app/model/PeriodDailyLog.java
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new mode 100755
diff --git a/src/main/java/org/zaine/app/model/PeriodDailyReflection.java b/src/main/java/org/zaine/app/model/PeriodDailyReflection.java
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new mode 100755
diff --git a/src/main/java/org/zaine/app/model/PeriodFastingLog.java b/src/main/java/org/zaine/app/model/PeriodFastingLog.java
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new mode 100755
diff --git a/src/main/java/org/zaine/app/model/PeriodPredictionSnapshot.java b/src/main/java/org/zaine/app/model/PeriodPredictionSnapshot.java
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new mode 100755
diff --git a/src/main/java/org/zaine/app/model/PeriodSettings.java b/src/main/java/org/zaine/app/model/PeriodSettings.java
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new mode 100755
diff --git a/src/main/java/org/zaine/app/model/PeriodSupportMessage.java b/src/main/java/org/zaine/app/model/PeriodSupportMessage.java
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new mode 100755
diff --git a/src/main/java/org/zaine/app/model/PeriodSymptom.java b/src/main/java/org/zaine/app/model/PeriodSymptom.java
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new mode 100755
diff --git a/src/main/java/org/zaine/app/repositories/PeriodCycleRepository.java b/src/main/java/org/zaine/app/repositories/PeriodCycleRepository.java
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new mode 100755
diff --git a/src/main/java/org/zaine/app/repositories/PeriodDailyLogRepository.java b/src/main/java/org/zaine/app/repositories/PeriodDailyLogRepository.java
old mode 100644
new mode 100755
diff --git a/src/main/java/org/zaine/app/repositories/PeriodDailyReflectionRepository.java b/src/main/java/org/zaine/app/repositories/PeriodDailyReflectionRepository.java
old mode 100644
new mode 100755
diff --git a/src/main/java/org/zaine/app/repositories/PeriodFastingLogRepository.java b/src/main/java/org/zaine/app/repositories/PeriodFastingLogRepository.java
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new mode 100755
diff --git a/src/main/java/org/zaine/app/repositories/PeriodPredictionSnapshotRepository.java b/src/main/java/org/zaine/app/repositories/PeriodPredictionSnapshotRepository.java
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new mode 100755
diff --git a/src/main/java/org/zaine/app/repositories/PeriodSettingsRepository.java b/src/main/java/org/zaine/app/repositories/PeriodSettingsRepository.java
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new mode 100755
diff --git a/src/main/java/org/zaine/app/repositories/PeriodSupportMessageRepository.java b/src/main/java/org/zaine/app/repositories/PeriodSupportMessageRepository.java
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new mode 100755
diff --git a/src/main/java/org/zaine/app/repositories/PeriodSymptomRepository.java b/src/main/java/org/zaine/app/repositories/PeriodSymptomRepository.java
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new mode 100755
diff --git a/src/main/java/org/zaine/app/service/PeriodCompanionService.java b/src/main/java/org/zaine/app/service/PeriodCompanionService.java
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diff --git a/src/main/java/org/zaine/app/service/PeriodPredictionService.java b/src/main/java/org/zaine/app/service/PeriodPredictionService.java
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diff --git a/src/main/resources/db/migration/V5__period_companion.sql b/src/main/resources/db/migration/V5__period_companion.sql
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diff --git a/src/main/resources/db/migration/V6__period_companion_settings.sql b/src/main/resources/db/migration/V6__period_companion_settings.sql
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diff --git a/src/main/resources/db/migration/V7__period_companion_wellbeing.sql b/src/main/resources/db/migration/V7__period_companion_wellbeing.sql
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diff --git a/src/test/java/org/zaine/app/service/PeriodPredictionServiceTest.java b/src/test/java/org/zaine/app/service/PeriodPredictionServiceTest.java
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