diff --git a/src/i18n/messages/ar.json b/src/i18n/messages/ar.json
index f27399a70e..74159fd4b9 100644
--- a/src/i18n/messages/ar.json
+++ b/src/i18n/messages/ar.json
@@ -283,7 +283,9 @@
     "utilization": "الاستخدام",
     "utilizationDescription": "اتجاهات استخدام حصة المزود وتتبع حدود المعدل",
     "comboHealth": "صحة المجموعة",
-    "comboHealthDescription": "الحصة على مستوى المجموعة وتوزيع الاستخدام ومقاييس الأداء"
+    "comboHealthDescription": "الحصة على مستوى المجموعة وتوزيع الاستخدام ومقاييس الأداء",
+    "compressionAnalyticsTitle": "Compression Analytics",
+    "compressionAnalyticsDescription": "Compression analytics — token savings, mode breakdown, and provider stats."
   },
   "apiManager": {
     "title": "مفاتيح واجهة برمجة التطبيقات",
@@ -2422,6 +2424,10 @@
     "compressionModeLiteDesc": "Whitespace and blank line reduction",
     "compressionModeStandard": "Standard (Caveman)",
     "compressionModeStandardDesc": "Rule-based compression with 30+ patterns, preserves code blocks and URLs",
+    "compressionModeAggressive": "Aggressive",
+    "compressionModeAggressiveDesc": "Summarization + tool result compression + progressive aging for maximum savings",
+    "compressionModeUltra": "Ultra",
+    "compressionModeUltraDesc": "Maximum compression with all techniques including semantic deduplication",
     "compressionGeneral": "General Settings",
     "compressionAutoTrigger": "Auto-Trigger Threshold",
     "compressionCacheTTL": "Cache TTL",
diff --git a/src/i18n/messages/bg.json b/src/i18n/messages/bg.json
index 737315c80d..2dfa6fe86c 100644
--- a/src/i18n/messages/bg.json
+++ b/src/i18n/messages/bg.json
@@ -283,7 +283,9 @@
     "utilization": "Използване",
     "utilizationDescription": "Тенденции в използването на квотата на доставчика и проследяване на ограниченията на скоростта",
     "comboHealth": "Здраве на комбинацията",
-    "comboHealthDescription": "Квота на ниво комбинация, разпределение на използването и метрики на производителността"
+    "comboHealthDescription": "Квота на ниво комбинация, разпределение на използването и метрики на производителността",
+    "compressionAnalyticsTitle": "Compression Analytics",
+    "compressionAnalyticsDescription": "Compression analytics — token savings, mode breakdown, and provider stats."
   },
   "apiManager": {
     "title": "API ключове",
@@ -2422,6 +2424,10 @@
     "compressionModeLiteDesc": "Whitespace and blank line reduction",
     "compressionModeStandard": "Standard (Caveman)",
     "compressionModeStandardDesc": "Rule-based compression with 30+ patterns, preserves code blocks and URLs",
+    "compressionModeAggressive": "Aggressive",
+    "compressionModeAggressiveDesc": "Summarization + tool result compression + progressive aging for maximum savings",
+    "compressionModeUltra": "Ultra",
+    "compressionModeUltraDesc": "Maximum compression with all techniques including semantic deduplication",
     "compressionGeneral": "General Settings",
     "compressionAutoTrigger": "Auto-Trigger Threshold",
     "compressionCacheTTL": "Cache TTL",
diff --git a/src/i18n/messages/cs.json b/src/i18n/messages/cs.json
index 93eaca7075..4a6a3b33ff 100644
--- a/src/i18n/messages/cs.json
+++ b/src/i18n/messages/cs.json
@@ -283,7 +283,9 @@
     "utilization": "Využití",
     "utilizationDescription": "Trendy využití kvót poskytovatele a sledování limitů rychlosti",
     "comboHealth": "Zdraví Combo",
-    "comboHealthDescription": "Kvóta na úrovni kombinace, distribuce využití a metriky výkonu"
+    "comboHealthDescription": "Kvóta na úrovni kombinace, distribuce využití a metriky výkonu",
+    "compressionAnalyticsTitle": "Compression Analytics",
+    "compressionAnalyticsDescription": "Compression analytics — token savings, mode breakdown, and provider stats."
   },
   "apiManager": {
     "title": "API Klíče",
@@ -2422,6 +2424,10 @@
     "compressionModeLiteDesc": "Whitespace and blank line reduction",
     "compressionModeStandard": "Standard (Caveman)",
     "compressionModeStandardDesc": "Rule-based compression with 30+ patterns, preserves code blocks and URLs",
+    "compressionModeAggressive": "Aggressive",
+    "compressionModeAggressiveDesc": "Summarization + tool result compression + progressive aging for maximum savings",
+    "compressionModeUltra": "Ultra",
+    "compressionModeUltraDesc": "Maximum compression with all techniques including semantic deduplication",
     "compressionGeneral": "General Settings",
     "compressionAutoTrigger": "Auto-Trigger Threshold",
     "compressionCacheTTL": "Cache TTL",
diff --git a/src/i18n/messages/da.json b/src/i18n/messages/da.json
index a3d9a47747..00c89fad36 100644
--- a/src/i18n/messages/da.json
+++ b/src/i18n/messages/da.json
@@ -283,7 +283,9 @@
     "utilization": "Udnyttelse",
     "utilizationDescription": "Leverandørkvoteforbrugstendenser og hastighedsgrænseovervågning",
     "comboHealth": "Kombosundhed",
-    "comboHealthDescription": "Komboniveaudkvote, fordeling af brug og ydeevnemålinger"
+    "comboHealthDescription": "Komboniveaudkvote, fordeling af brug og ydeevnemålinger",
+    "compressionAnalyticsTitle": "Compression Analytics",
+    "compressionAnalyticsDescription": "Compression analytics — token savings, mode breakdown, and provider stats."
   },
   "apiManager": {
     "title": "API nøgler",
@@ -2422,6 +2424,10 @@
     "compressionModeLiteDesc": "Whitespace and blank line reduction",
     "compressionModeStandard": "Standard (Caveman)",
     "compressionModeStandardDesc": "Rule-based compression with 30+ patterns, preserves code blocks and URLs",
+    "compressionModeAggressive": "Aggressive",
+    "compressionModeAggressiveDesc": "Summarization + tool result compression + progressive aging for maximum savings",
+    "compressionModeUltra": "Ultra",
+    "compressionModeUltraDesc": "Maximum compression with all techniques including semantic deduplication",
     "compressionGeneral": "General Settings",
     "compressionAutoTrigger": "Auto-Trigger Threshold",
     "compressionCacheTTL": "Cache TTL",
diff --git a/src/i18n/messages/de.json b/src/i18n/messages/de.json
index 3b2a47e34e..f0bbada796 100644
--- a/src/i18n/messages/de.json
+++ b/src/i18n/messages/de.json
@@ -283,7 +283,9 @@
     "utilization": "Auslastung",
     "utilizationDescription": "Anbieter-Kontingent-Nutzungstrends und Ratenlimit-Verfolgung",
     "comboHealth": "Combo-Gesundheit",
-    "comboHealthDescription": "Combo-level Kontingent, Nutzungsverteilung und Leistungsmetriken"
+    "comboHealthDescription": "Combo-level Kontingent, Nutzungsverteilung und Leistungsmetriken",
+    "compressionAnalyticsTitle": "Compression Analytics",
+    "compressionAnalyticsDescription": "Compression analytics — token savings, mode breakdown, and provider stats."
   },
   "apiManager": {
     "title": "API-Schlüssel",
@@ -2422,6 +2424,10 @@
     "compressionModeLiteDesc": "Whitespace and blank line reduction",
     "compressionModeStandard": "Standard (Caveman)",
     "compressionModeStandardDesc": "Rule-based compression with 30+ patterns, preserves code blocks and URLs",
+    "compressionModeAggressive": "Aggressive",
+    "compressionModeAggressiveDesc": "Summarization + tool result compression + progressive aging for maximum savings",
+    "compressionModeUltra": "Ultra",
+    "compressionModeUltraDesc": "Maximum compression with all techniques including semantic deduplication",
     "compressionGeneral": "General Settings",
     "compressionAutoTrigger": "Auto-Trigger Threshold",
     "compressionCacheTTL": "Cache TTL",
diff --git a/src/i18n/messages/en.json b/src/i18n/messages/en.json
index eeb72a2047..fe4c98b808 100644
--- a/src/i18n/messages/en.json
+++ b/src/i18n/messages/en.json
@@ -283,7 +283,9 @@
     "utilization": "Utilization",
     "utilizationDescription": "Provider quota usage trends and rate limit tracking",
     "comboHealth": "Combo Health",
-    "comboHealthDescription": "Combo-level quota, usage distribution, and performance metrics"
+    "comboHealthDescription": "Combo-level quota, usage distribution, and performance metrics",
+    "compressionAnalyticsTitle": "Compression Analytics",
+    "compressionAnalyticsDescription": "Compression analytics — token savings, mode breakdown, and provider stats."
   },
   "apiManager": {
     "title": "API Keys",
@@ -2476,6 +2478,8 @@
     "compressionModeStandardDesc": "Rule-based compression with 30+ patterns, preserves code blocks and URLs",
     "compressionModeAggressive": "Aggressive",
     "compressionModeAggressiveDesc": "Summarization + tool result compression + progressive aging for maximum savings",
+    "compressionModeUltra": "Ultra",
+    "compressionModeUltraDesc": "Maximum compression with all techniques including semantic deduplication",
     "compressionAggressiveConfig": "Aggressive Engine Configuration",
     "compressionAggressiveConfigDesc": "Fine-tune summarization, tool compression, and aging thresholds",
     "compressionSummarizerEnabled": "Enable Summarizer",
diff --git a/src/i18n/messages/es.json b/src/i18n/messages/es.json
index 5e5d1a3475..ab1e423a09 100644
--- a/src/i18n/messages/es.json
+++ b/src/i18n/messages/es.json
@@ -283,7 +283,9 @@
     "utilization": "Utilización",
     "utilizationDescription": "Tendencias de uso de cuota del proveedor y seguimiento de límites de tasa",
     "comboHealth": "Salud del combo",
-    "comboHealthDescription": "Cuota a nivel de combo, distribución de uso y métricas de rendimiento"
+    "comboHealthDescription": "Cuota a nivel de combo, distribución de uso y métricas de rendimiento",
+    "compressionAnalyticsTitle": "Compression Analytics",
+    "compressionAnalyticsDescription": "Compression analytics — token savings, mode breakdown, and provider stats."
   },
   "apiManager": {
     "title": "Claves API",
@@ -2422,6 +2424,10 @@
     "compressionModeLiteDesc": "Whitespace and blank line reduction",
     "compressionModeStandard": "Standard (Caveman)",
     "compressionModeStandardDesc": "Rule-based compression with 30+ patterns, preserves code blocks and URLs",
+    "compressionModeAggressive": "Aggressive",
+    "compressionModeAggressiveDesc": "Summarization + tool result compression + progressive aging for maximum savings",
+    "compressionModeUltra": "Ultra",
+    "compressionModeUltraDesc": "Maximum compression with all techniques including semantic deduplication",
     "compressionGeneral": "General Settings",
     "compressionAutoTrigger": "Auto-Trigger Threshold",
     "compressionCacheTTL": "Cache TTL",
diff --git a/src/i18n/messages/fi.json b/src/i18n/messages/fi.json
index 52a1fd9012..0ae8104067 100644
--- a/src/i18n/messages/fi.json
+++ b/src/i18n/messages/fi.json
@@ -283,7 +283,9 @@
     "utilization": "Käyttöaste",
     "utilizationDescription": "Palveluntarjoajan kiintiön käyttötrendit ja nopeusrajoitusten seuranta",
     "comboHealth": "Yhdistelmän kunto",
-    "comboHealthDescription": "Yhdistelmätason kiintiö, käytön jakautuminen ja suorituskykymittarit"
+    "comboHealthDescription": "Yhdistelmätason kiintiö, käytön jakautuminen ja suorituskykymittarit",
+    "compressionAnalyticsTitle": "Compression Analytics",
+    "compressionAnalyticsDescription": "Compression analytics — token savings, mode breakdown, and provider stats."
   },
   "apiManager": {
     "title": "API-avaimet",
@@ -2422,6 +2424,10 @@
     "compressionModeLiteDesc": "Whitespace and blank line reduction",
     "compressionModeStandard": "Standard (Caveman)",
     "compressionModeStandardDesc": "Rule-based compression with 30+ patterns, preserves code blocks and URLs",
+    "compressionModeAggressive": "Aggressive",
+    "compressionModeAggressiveDesc": "Summarization + tool result compression + progressive aging for maximum savings",
+    "compressionModeUltra": "Ultra",
+    "compressionModeUltraDesc": "Maximum compression with all techniques including semantic deduplication",
     "compressionGeneral": "General Settings",
     "compressionAutoTrigger": "Auto-Trigger Threshold",
     "compressionCacheTTL": "Cache TTL",
diff --git a/src/i18n/messages/fr.json b/src/i18n/messages/fr.json
index 7b57bb85fe..9ebd9d6148 100644
--- a/src/i18n/messages/fr.json
+++ b/src/i18n/messages/fr.json
@@ -283,7 +283,9 @@
     "utilization": "Utilisation",
     "utilizationDescription": "Tendances d'utilisation du quota fournisseur et suivi des limites de débit",
     "comboHealth": "Santé du combo",
-    "comboHealthDescription": "Quota au niveau combo, distribution de l'utilisation et métriques de performance"
+    "comboHealthDescription": "Quota au niveau combo, distribution de l'utilisation et métriques de performance",
+    "compressionAnalyticsTitle": "Compression Analytics",
+    "compressionAnalyticsDescription": "Compression analytics — token savings, mode breakdown, and provider stats."
   },
   "apiManager": {
     "title": "Clés API",
@@ -2422,6 +2424,10 @@
     "compressionModeLiteDesc": "Whitespace and blank line reduction",
     "compressionModeStandard": "Standard (Caveman)",
     "compressionModeStandardDesc": "Rule-based compression with 30+ patterns, preserves code blocks and URLs",
+    "compressionModeAggressive": "Aggressive",
+    "compressionModeAggressiveDesc": "Summarization + tool result compression + progressive aging for maximum savings",
+    "compressionModeUltra": "Ultra",
+    "compressionModeUltraDesc": "Maximum compression with all techniques including semantic deduplication",
     "compressionGeneral": "General Settings",
     "compressionAutoTrigger": "Auto-Trigger Threshold",
     "compressionCacheTTL": "Cache TTL",
diff --git a/src/i18n/messages/he.json b/src/i18n/messages/he.json
index 135ab2d4df..69ab6704e5 100644
--- a/src/i18n/messages/he.json
+++ b/src/i18n/messages/he.json
@@ -283,7 +283,9 @@
     "utilization": "ניצול",
     "utilizationDescription": "מגמות שימוש במכסת הספק ומעקב אחר מגבלות קצב",
     "comboHealth": "בריאות הקומבו",
-    "comboHealthDescription": "מכסה ברמת הקומבו, הפצת שימוש ומדדי ביצוע"
+    "comboHealthDescription": "מכסה ברמת הקומבו, הפצת שימוש ומדדי ביצוע",
+    "compressionAnalyticsTitle": "Compression Analytics",
+    "compressionAnalyticsDescription": "Compression analytics — token savings, mode breakdown, and provider stats."
   },
   "apiManager": {
     "title": "מפתחות API",
@@ -2422,6 +2424,10 @@
     "compressionModeLiteDesc": "Whitespace and blank line reduction",
     "compressionModeStandard": "Standard (Caveman)",
     "compressionModeStandardDesc": "Rule-based compression with 30+ patterns, preserves code blocks and URLs",
+    "compressionModeAggressive": "Aggressive",
+    "compressionModeAggressiveDesc": "Summarization + tool result compression + progressive aging for maximum savings",
+    "compressionModeUltra": "Ultra",
+    "compressionModeUltraDesc": "Maximum compression with all techniques including semantic deduplication",
     "compressionGeneral": "General Settings",
     "compressionAutoTrigger": "Auto-Trigger Threshold",
     "compressionCacheTTL": "Cache TTL",
diff --git a/src/i18n/messages/hi.json b/src/i18n/messages/hi.json
index 897b446a44..ffb7894803 100644
--- a/src/i18n/messages/hi.json
+++ b/src/i18n/messages/hi.json
@@ -283,7 +283,9 @@
     "utilization": "उपयोग",
     "utilizationDescription": "प्रदाता कोटा उपयोग रुझान और दर सीमा ट्रैकिंग",
     "comboHealth": "कॉम्बो स्वास्थ्य",
-    "comboHealthDescription": "कॉम्बो-स्तरीय कोटा, उपयोग वितरण और प्रदर्शन मेट्रिक्स"
+    "comboHealthDescription": "कॉम्बो-स्तरीय कोटा, उपयोग वितरण और प्रदर्शन मेट्रिक्स",
+    "compressionAnalyticsTitle": "Compression Analytics",
+    "compressionAnalyticsDescription": "Compression analytics — token savings, mode breakdown, and provider stats."
   },
   "apiManager": {
     "title": "एपीआई कुंजी",
@@ -2422,6 +2424,10 @@
     "compressionModeLiteDesc": "Whitespace and blank line reduction",
     "compressionModeStandard": "Standard (Caveman)",
     "compressionModeStandardDesc": "Rule-based compression with 30+ patterns, preserves code blocks and URLs",
+    "compressionModeAggressive": "Aggressive",
+    "compressionModeAggressiveDesc": "Summarization + tool result compression + progressive aging for maximum savings",
+    "compressionModeUltra": "Ultra",
+    "compressionModeUltraDesc": "Maximum compression with all techniques including semantic deduplication",
     "compressionGeneral": "General Settings",
     "compressionAutoTrigger": "Auto-Trigger Threshold",
     "compressionCacheTTL": "Cache TTL",
diff --git a/src/i18n/messages/hu.json b/src/i18n/messages/hu.json
index 4891a45503..6bf7a7b173 100644
--- a/src/i18n/messages/hu.json
+++ b/src/i18n/messages/hu.json
@@ -283,7 +283,9 @@
     "utilization": "Kihasználtság",
     "utilizationDescription": "Szolgáltatói kvótahasználati trendek és sebességkorlát-követés",
     "comboHealth": "Kombo egészsége",
-    "comboHealthDescription": "Kombó szintű kvóta, használateloszlás és teljesítménymutatók"
+    "comboHealthDescription": "Kombó szintű kvóta, használateloszlás és teljesítménymutatók",
+    "compressionAnalyticsTitle": "Compression Analytics",
+    "compressionAnalyticsDescription": "Compression analytics — token savings, mode breakdown, and provider stats."
   },
   "apiManager": {
     "title": "API kulcsok",
@@ -2422,6 +2424,10 @@
     "compressionModeLiteDesc": "Whitespace and blank line reduction",
     "compressionModeStandard": "Standard (Caveman)",
     "compressionModeStandardDesc": "Rule-based compression with 30+ patterns, preserves code blocks and URLs",
+    "compressionModeAggressive": "Aggressive",
+    "compressionModeAggressiveDesc": "Summarization + tool result compression + progressive aging for maximum savings",
+    "compressionModeUltra": "Ultra",
+    "compressionModeUltraDesc": "Maximum compression with all techniques including semantic deduplication",
     "compressionGeneral": "General Settings",
     "compressionAutoTrigger": "Auto-Trigger Threshold",
     "compressionCacheTTL": "Cache TTL",
diff --git a/src/i18n/messages/id.json b/src/i18n/messages/id.json
index 57adb170e5..b36c959731 100644
--- a/src/i18n/messages/id.json
+++ b/src/i18n/messages/id.json
@@ -283,7 +283,9 @@
     "utilization": "Pemanfaatan",
     "utilizationDescription": "Tren penggunaan kuota penyedia dan pelacakan batas tarif",
     "comboHealth": "Kesehatan Kombinasi",
-    "comboHealthDescription": "Kuota tingkat kombinasi, distribusi penggunaan, dan metrik kinerja"
+    "comboHealthDescription": "Kuota tingkat kombinasi, distribusi penggunaan, dan metrik kinerja",
+    "compressionAnalyticsTitle": "Compression Analytics",
+    "compressionAnalyticsDescription": "Compression analytics — token savings, mode breakdown, and provider stats."
   },
   "apiManager": {
     "title": "Kunci API",
@@ -2422,6 +2424,10 @@
     "compressionModeLiteDesc": "Whitespace and blank line reduction",
     "compressionModeStandard": "Standard (Caveman)",
     "compressionModeStandardDesc": "Rule-based compression with 30+ patterns, preserves code blocks and URLs",
+    "compressionModeAggressive": "Aggressive",
+    "compressionModeAggressiveDesc": "Summarization + tool result compression + progressive aging for maximum savings",
+    "compressionModeUltra": "Ultra",
+    "compressionModeUltraDesc": "Maximum compression with all techniques including semantic deduplication",
     "compressionGeneral": "General Settings",
     "compressionAutoTrigger": "Auto-Trigger Threshold",
     "compressionCacheTTL": "Cache TTL",
diff --git a/src/i18n/messages/it.json b/src/i18n/messages/it.json
index 93807848fa..2bd1ac6c3f 100644
--- a/src/i18n/messages/it.json
+++ b/src/i18n/messages/it.json
@@ -283,7 +283,9 @@
     "utilization": "Utilizzo",
     "utilizationDescription": "Tendenze di utilizzo della quota del provider e monitoraggio dei limiti di frequenza",
     "comboHealth": "Salute Combo",
-    "comboHealthDescription": "Quota a livello combo, distribuzione dell'utilizzo e metriche delle prestazioni"
+    "comboHealthDescription": "Quota a livello combo, distribuzione dell'utilizzo e metriche delle prestazioni",
+    "compressionAnalyticsTitle": "Compression Analytics",
+    "compressionAnalyticsDescription": "Compression analytics — token savings, mode breakdown, and provider stats."
   },
   "apiManager": {
     "title": "Chiavi API",
@@ -2422,6 +2424,10 @@
     "compressionModeLiteDesc": "Whitespace and blank line reduction",
     "compressionModeStandard": "Standard (Caveman)",
     "compressionModeStandardDesc": "Rule-based compression with 30+ patterns, preserves code blocks and URLs",
+    "compressionModeAggressive": "Aggressive",
+    "compressionModeAggressiveDesc": "Summarization + tool result compression + progressive aging for maximum savings",
+    "compressionModeUltra": "Ultra",
+    "compressionModeUltraDesc": "Maximum compression with all techniques including semantic deduplication",
     "compressionGeneral": "General Settings",
     "compressionAutoTrigger": "Auto-Trigger Threshold",
     "compressionCacheTTL": "Cache TTL",
diff --git a/src/i18n/messages/ja.json b/src/i18n/messages/ja.json
index aa0530b842..f2ba2c66d5 100644
--- a/src/i18n/messages/ja.json
+++ b/src/i18n/messages/ja.json
@@ -283,7 +283,9 @@
     "utilization": "活用率",
     "utilizationDescription": "プロバイダーのクォータ使用傾向とレート制限の追跡",
     "comboHealth": "コンボ健全性",
-    "comboHealthDescription": "コンボレベルのクォータ、使用分布、パフォーマンスメトリクス"
+    "comboHealthDescription": "コンボレベルのクォータ、使用分布、パフォーマンスメトリクス",
+    "compressionAnalyticsTitle": "Compression Analytics",
+    "compressionAnalyticsDescription": "Compression analytics — token savings, mode breakdown, and provider stats."
   },
   "apiManager": {
     "title": "APIキー",
@@ -2422,6 +2424,10 @@
     "compressionModeLiteDesc": "Whitespace and blank line reduction",
     "compressionModeStandard": "Standard (Caveman)",
     "compressionModeStandardDesc": "Rule-based compression with 30+ patterns, preserves code blocks and URLs",
+    "compressionModeAggressive": "Aggressive",
+    "compressionModeAggressiveDesc": "Summarization + tool result compression + progressive aging for maximum savings",
+    "compressionModeUltra": "Ultra",
+    "compressionModeUltraDesc": "Maximum compression with all techniques including semantic deduplication",
     "compressionGeneral": "General Settings",
     "compressionAutoTrigger": "Auto-Trigger Threshold",
     "compressionCacheTTL": "Cache TTL",
diff --git a/src/i18n/messages/ko.json b/src/i18n/messages/ko.json
index f5c2ee2d4e..bc568281d0 100644
--- a/src/i18n/messages/ko.json
+++ b/src/i18n/messages/ko.json
@@ -283,7 +283,9 @@
     "utilization": "활용률",
     "utilizationDescription": "공급자 할당량 사용 추세 및 속도 제한 추적",
     "comboHealth": "콤보 건강 상태",
-    "comboHealthDescription": "콤보 수준 할당량, 사용 분포 및 성능 메트릭"
+    "comboHealthDescription": "콤보 수준 할당량, 사용 분포 및 성능 메트릭",
+    "compressionAnalyticsTitle": "Compression Analytics",
+    "compressionAnalyticsDescription": "Compression analytics — token savings, mode breakdown, and provider stats."
   },
   "apiManager": {
     "title": "API 키",
@@ -2422,6 +2424,10 @@
     "compressionModeLiteDesc": "Whitespace and blank line reduction",
     "compressionModeStandard": "Standard (Caveman)",
     "compressionModeStandardDesc": "Rule-based compression with 30+ patterns, preserves code blocks and URLs",
+    "compressionModeAggressive": "Aggressive",
+    "compressionModeAggressiveDesc": "Summarization + tool result compression + progressive aging for maximum savings",
+    "compressionModeUltra": "Ultra",
+    "compressionModeUltraDesc": "Maximum compression with all techniques including semantic deduplication",
     "compressionGeneral": "General Settings",
     "compressionAutoTrigger": "Auto-Trigger Threshold",
     "compressionCacheTTL": "Cache TTL",
diff --git a/src/i18n/messages/ms.json b/src/i18n/messages/ms.json
index 45980e79a2..3fd3d97fc9 100644
--- a/src/i18n/messages/ms.json
+++ b/src/i18n/messages/ms.json
@@ -283,7 +283,9 @@
     "utilization": "Pemanfaatan",
     "utilizationDescription": "Tren penggunaan kuota pembekal dan penjejakan had kadar",
     "comboHealth": "Kesihatan Combo",
-    "comboHealthDescription": "Kuota peringkat combo, pengagihan penggunaan dan metrik prestasi"
+    "comboHealthDescription": "Kuota peringkat combo, pengagihan penggunaan dan metrik prestasi",
+    "compressionAnalyticsTitle": "Compression Analytics",
+    "compressionAnalyticsDescription": "Compression analytics — token savings, mode breakdown, and provider stats."
   },
   "apiManager": {
     "title": "Kunci API",
@@ -2422,6 +2424,10 @@
     "compressionModeLiteDesc": "Whitespace and blank line reduction",
     "compressionModeStandard": "Standard (Caveman)",
     "compressionModeStandardDesc": "Rule-based compression with 30+ patterns, preserves code blocks and URLs",
+    "compressionModeAggressive": "Aggressive",
+    "compressionModeAggressiveDesc": "Summarization + tool result compression + progressive aging for maximum savings",
+    "compressionModeUltra": "Ultra",
+    "compressionModeUltraDesc": "Maximum compression with all techniques including semantic deduplication",
     "compressionGeneral": "General Settings",
     "compressionAutoTrigger": "Auto-Trigger Threshold",
     "compressionCacheTTL": "Cache TTL",
diff --git a/src/i18n/messages/nl.json b/src/i18n/messages/nl.json
index e4b6d5fe7b..650690fe37 100644
--- a/src/i18n/messages/nl.json
+++ b/src/i18n/messages/nl.json
@@ -283,7 +283,9 @@
     "utilization": "Benutting",
     "utilizationDescription": "Trends in quotagebruik van de provider en bijhouden van snelheidslimieten",
     "comboHealth": "Combo-gezondheid",
-    "comboHealthDescription": "Quota op combo-niveau, gebruiksdistributie en prestatiegegevens"
+    "comboHealthDescription": "Quota op combo-niveau, gebruiksdistributie en prestatiegegevens",
+    "compressionAnalyticsTitle": "Compression Analytics",
+    "compressionAnalyticsDescription": "Compression analytics — token savings, mode breakdown, and provider stats."
   },
   "apiManager": {
     "title": "API-sleutels",
@@ -2422,6 +2424,10 @@
     "compressionModeLiteDesc": "Whitespace and blank line reduction",
     "compressionModeStandard": "Standard (Caveman)",
     "compressionModeStandardDesc": "Rule-based compression with 30+ patterns, preserves code blocks and URLs",
+    "compressionModeAggressive": "Aggressive",
+    "compressionModeAggressiveDesc": "Summarization + tool result compression + progressive aging for maximum savings",
+    "compressionModeUltra": "Ultra",
+    "compressionModeUltraDesc": "Maximum compression with all techniques including semantic deduplication",
     "compressionGeneral": "General Settings",
     "compressionAutoTrigger": "Auto-Trigger Threshold",
     "compressionCacheTTL": "Cache TTL",
diff --git a/src/i18n/messages/no.json b/src/i18n/messages/no.json
index 27a06f1f6e..19803980e3 100644
--- a/src/i18n/messages/no.json
+++ b/src/i18n/messages/no.json
@@ -283,7 +283,9 @@
     "utilization": "Utnyttelse",
     "utilizationDescription": "Leverandørkvotebrukstrender og hastighetsgrensesporing",
     "comboHealth": "Kombohelse",
-    "comboHealthDescription": "Kombonivåkvote, bruksfordeling og ytelsesmålinger"
+    "comboHealthDescription": "Kombonivåkvote, bruksfordeling og ytelsesmålinger",
+    "compressionAnalyticsTitle": "Compression Analytics",
+    "compressionAnalyticsDescription": "Compression analytics — token savings, mode breakdown, and provider stats."
   },
   "apiManager": {
     "title": "API-nøkler",
@@ -2422,6 +2424,10 @@
     "compressionModeLiteDesc": "Whitespace and blank line reduction",
     "compressionModeStandard": "Standard (Caveman)",
     "compressionModeStandardDesc": "Rule-based compression with 30+ patterns, preserves code blocks and URLs",
+    "compressionModeAggressive": "Aggressive",
+    "compressionModeAggressiveDesc": "Summarization + tool result compression + progressive aging for maximum savings",
+    "compressionModeUltra": "Ultra",
+    "compressionModeUltraDesc": "Maximum compression with all techniques including semantic deduplication",
     "compressionGeneral": "General Settings",
     "compressionAutoTrigger": "Auto-Trigger Threshold",
     "compressionCacheTTL": "Cache TTL",
diff --git a/src/i18n/messages/phi.json b/src/i18n/messages/phi.json
index 0f21de3afe..e9ca4ece21 100644
--- a/src/i18n/messages/phi.json
+++ b/src/i18n/messages/phi.json
@@ -283,7 +283,9 @@
     "utilization": "Paggamit",
     "utilizationDescription": "Mga trend sa paggamit ng quota ng provider at pagsubaybay sa rate limit",
     "comboHealth": "Kalusugan ng Combo",
-    "comboHealthDescription": "Quota sa antas ng combo, pamamahagi ng paggamit, at mga metrics ng pagganap"
+    "comboHealthDescription": "Quota sa antas ng combo, pamamahagi ng paggamit, at mga metrics ng pagganap",
+    "compressionAnalyticsTitle": "Compression Analytics",
+    "compressionAnalyticsDescription": "Compression analytics — token savings, mode breakdown, and provider stats."
   },
   "apiManager": {
     "title": "Mga API Key",
@@ -2422,6 +2424,10 @@
     "compressionModeLiteDesc": "Whitespace and blank line reduction",
     "compressionModeStandard": "Standard (Caveman)",
     "compressionModeStandardDesc": "Rule-based compression with 30+ patterns, preserves code blocks and URLs",
+    "compressionModeAggressive": "Aggressive",
+    "compressionModeAggressiveDesc": "Summarization + tool result compression + progressive aging for maximum savings",
+    "compressionModeUltra": "Ultra",
+    "compressionModeUltraDesc": "Maximum compression with all techniques including semantic deduplication",
     "compressionGeneral": "General Settings",
     "compressionAutoTrigger": "Auto-Trigger Threshold",
     "compressionCacheTTL": "Cache TTL",
diff --git a/src/i18n/messages/pl.json b/src/i18n/messages/pl.json
index 772464341b..ecb4d9f4f2 100644
--- a/src/i18n/messages/pl.json
+++ b/src/i18n/messages/pl.json
@@ -283,7 +283,9 @@
     "utilization": "Wykorzystanie",
     "utilizationDescription": "Trendy wykorzystania kwoty dostawcy i śledzenie limitów szybkości",
     "comboHealth": "Zdrowie Kombinacji",
-    "comboHealthDescription": "Kwota na poziomie kombinacji, dystrybucja użycia i metryki wydajności"
+    "comboHealthDescription": "Kwota na poziomie kombinacji, dystrybucja użycia i metryki wydajności",
+    "compressionAnalyticsTitle": "Compression Analytics",
+    "compressionAnalyticsDescription": "Compression analytics — token savings, mode breakdown, and provider stats."
   },
   "apiManager": {
     "title": "Klucze API",
@@ -2422,6 +2424,10 @@
     "compressionModeLiteDesc": "Whitespace and blank line reduction",
     "compressionModeStandard": "Standard (Caveman)",
     "compressionModeStandardDesc": "Rule-based compression with 30+ patterns, preserves code blocks and URLs",
+    "compressionModeAggressive": "Aggressive",
+    "compressionModeAggressiveDesc": "Summarization + tool result compression + progressive aging for maximum savings",
+    "compressionModeUltra": "Ultra",
+    "compressionModeUltraDesc": "Maximum compression with all techniques including semantic deduplication",
     "compressionGeneral": "General Settings",
     "compressionAutoTrigger": "Auto-Trigger Threshold",
     "compressionCacheTTL": "Cache TTL",
diff --git a/src/i18n/messages/pt-BR.json b/src/i18n/messages/pt-BR.json
index 9825e4ecae..87b9bf8a65 100644
--- a/src/i18n/messages/pt-BR.json
+++ b/src/i18n/messages/pt-BR.json
@@ -283,7 +283,9 @@
     "utilization": "Utilização",
     "utilizationDescription": "Tendências de uso de cota do provedor e rastreamento de limites de taxa",
     "comboHealth": "Saúde do Combo",
-    "comboHealthDescription": "Cota em nível de combo, distribuição de uso e métricas de desempenho"
+    "comboHealthDescription": "Cota em nível de combo, distribuição de uso e métricas de desempenho",
+    "compressionAnalyticsTitle": "Compression Analytics",
+    "compressionAnalyticsDescription": "Compression analytics — token savings, mode breakdown, and provider stats."
   },
   "apiManager": {
     "title": "Chaves de API",
@@ -2474,6 +2476,10 @@
     "compressionModeLiteDesc": "Whitespace and blank line reduction",
     "compressionModeStandard": "Standard (Caveman)",
     "compressionModeStandardDesc": "Rule-based compression with 30+ patterns, preserves code blocks and URLs",
+    "compressionModeAggressive": "Aggressive",
+    "compressionModeAggressiveDesc": "Summarization + tool result compression + progressive aging for maximum savings",
+    "compressionModeUltra": "Ultra",
+    "compressionModeUltraDesc": "Maximum compression with all techniques including semantic deduplication",
     "compressionGeneral": "General Settings",
     "compressionAutoTrigger": "Auto-Trigger Threshold",
     "compressionCacheTTL": "Cache TTL",
diff --git a/src/i18n/messages/pt.json b/src/i18n/messages/pt.json
index 4d07810cfd..e8c45940eb 100644
--- a/src/i18n/messages/pt.json
+++ b/src/i18n/messages/pt.json
@@ -283,7 +283,9 @@
     "utilization": "Utilização",
     "utilizationDescription": "Tendências de uso de quota do provedor e rastreamento de limites de taxa",
     "comboHealth": "Saúde do Combo",
-    "comboHealthDescription": "Quota ao nível do combo, distribuição de uso e métricas de desempenho"
+    "comboHealthDescription": "Quota ao nível do combo, distribuição de uso e métricas de desempenho",
+    "compressionAnalyticsTitle": "Compression Analytics",
+    "compressionAnalyticsDescription": "Compression analytics — token savings, mode breakdown, and provider stats."
   },
   "apiManager": {
     "title": "Chaves de API",
@@ -2474,6 +2476,10 @@
     "compressionModeLiteDesc": "Whitespace and blank line reduction",
     "compressionModeStandard": "Standard (Caveman)",
     "compressionModeStandardDesc": "Rule-based compression with 30+ patterns, preserves code blocks and URLs",
+    "compressionModeAggressive": "Aggressive",
+    "compressionModeAggressiveDesc": "Summarization + tool result compression + progressive aging for maximum savings",
+    "compressionModeUltra": "Ultra",
+    "compressionModeUltraDesc": "Maximum compression with all techniques including semantic deduplication",
     "compressionGeneral": "General Settings",
     "compressionAutoTrigger": "Auto-Trigger Threshold",
     "compressionCacheTTL": "Cache TTL",
diff --git a/src/i18n/messages/ro.json b/src/i18n/messages/ro.json
index 0be121a5d7..6a2e1a59a3 100644
--- a/src/i18n/messages/ro.json
+++ b/src/i18n/messages/ro.json
@@ -283,7 +283,9 @@
     "utilization": "Utilizare",
     "utilizationDescription": "Tendințe de utilizare a cotelor furnizorului și urmărirea limitelor de rată",
     "comboHealth": "Sănătatea Combo-ului",
-    "comboHealthDescription": "Cotă la nivel de combo, distribuția utilizării și metricile de performanță"
+    "comboHealthDescription": "Cotă la nivel de combo, distribuția utilizării și metricile de performanță",
+    "compressionAnalyticsTitle": "Compression Analytics",
+    "compressionAnalyticsDescription": "Compression analytics — token savings, mode breakdown, and provider stats."
   },
   "apiManager": {
     "title": "Chei API",
@@ -2422,6 +2424,10 @@
     "compressionModeLiteDesc": "Whitespace and blank line reduction",
     "compressionModeStandard": "Standard (Caveman)",
     "compressionModeStandardDesc": "Rule-based compression with 30+ patterns, preserves code blocks and URLs",
+    "compressionModeAggressive": "Aggressive",
+    "compressionModeAggressiveDesc": "Summarization + tool result compression + progressive aging for maximum savings",
+    "compressionModeUltra": "Ultra",
+    "compressionModeUltraDesc": "Maximum compression with all techniques including semantic deduplication",
     "compressionGeneral": "General Settings",
     "compressionAutoTrigger": "Auto-Trigger Threshold",
     "compressionCacheTTL": "Cache TTL",
diff --git a/src/i18n/messages/ru.json b/src/i18n/messages/ru.json
index c6c3d98504..3402539fd2 100644
--- a/src/i18n/messages/ru.json
+++ b/src/i18n/messages/ru.json
@@ -283,7 +283,9 @@
     "utilization": "Использование",
     "utilizationDescription": "Тенденции использования квоты поставщика и отслеживание ограничений скорости",
     "comboHealth": "Здоровье комбо",
-    "comboHealthDescription": "Квота на уровне комбо, распределение использования и метрики производительности"
+    "comboHealthDescription": "Квота на уровне комбо, распределение использования и метрики производительности",
+    "compressionAnalyticsTitle": "Compression Analytics",
+    "compressionAnalyticsDescription": "Compression analytics — token savings, mode breakdown, and provider stats."
   },
   "apiManager": {
     "title": "API-ключи",
@@ -2446,6 +2448,10 @@
     "compressionModeLiteDesc": "Whitespace and blank line reduction",
     "compressionModeStandard": "Standard (Caveman)",
     "compressionModeStandardDesc": "Rule-based compression with 30+ patterns, preserves code blocks and URLs",
+    "compressionModeAggressive": "Aggressive",
+    "compressionModeAggressiveDesc": "Summarization + tool result compression + progressive aging for maximum savings",
+    "compressionModeUltra": "Ultra",
+    "compressionModeUltraDesc": "Maximum compression with all techniques including semantic deduplication",
     "compressionGeneral": "General Settings",
     "compressionAutoTrigger": "Auto-Trigger Threshold",
     "compressionCacheTTL": "Cache TTL",
diff --git a/src/i18n/messages/sk.json b/src/i18n/messages/sk.json
index f88effb038..6436692088 100644
--- a/src/i18n/messages/sk.json
+++ b/src/i18n/messages/sk.json
@@ -283,7 +283,9 @@
     "utilization": "Využitie",
     "utilizationDescription": "Trendy využitia kvót poskytovateľa a sledovanie limitov rýchlosti",
     "comboHealth": "Zdravie Combo",
-    "comboHealthDescription": "Kvóta na úrovni combo, distribúcia používania a metríky výkonu"
+    "comboHealthDescription": "Kvóta na úrovni combo, distribúcia používania a metríky výkonu",
+    "compressionAnalyticsTitle": "Compression Analytics",
+    "compressionAnalyticsDescription": "Compression analytics — token savings, mode breakdown, and provider stats."
   },
   "apiManager": {
     "title": "API kľúče",
@@ -2422,6 +2424,10 @@
     "compressionModeLiteDesc": "Whitespace and blank line reduction",
     "compressionModeStandard": "Standard (Caveman)",
     "compressionModeStandardDesc": "Rule-based compression with 30+ patterns, preserves code blocks and URLs",
+    "compressionModeAggressive": "Aggressive",
+    "compressionModeAggressiveDesc": "Summarization + tool result compression + progressive aging for maximum savings",
+    "compressionModeUltra": "Ultra",
+    "compressionModeUltraDesc": "Maximum compression with all techniques including semantic deduplication",
     "compressionGeneral": "General Settings",
     "compressionAutoTrigger": "Auto-Trigger Threshold",
     "compressionCacheTTL": "Cache TTL",
diff --git a/src/i18n/messages/sv.json b/src/i18n/messages/sv.json
index 099e7b1063..30391cdbaf 100644
--- a/src/i18n/messages/sv.json
+++ b/src/i18n/messages/sv.json
@@ -283,7 +283,9 @@
     "utilization": "Användning",
     "utilizationDescription": "Leverantörskvotanvändningstrender och hastighetsgränsuppföljning",
     "comboHealth": "Kombohälsa",
-    "comboHealthDescription": "Kombonivåkvot, användningsfördelning och prestandamått"
+    "comboHealthDescription": "Kombonivåkvot, användningsfördelning och prestandamått",
+    "compressionAnalyticsTitle": "Compression Analytics",
+    "compressionAnalyticsDescription": "Compression analytics — token savings, mode breakdown, and provider stats."
   },
   "apiManager": {
     "title": "API-nycklar",
@@ -2422,6 +2424,10 @@
     "compressionModeLiteDesc": "Whitespace and blank line reduction",
     "compressionModeStandard": "Standard (Caveman)",
     "compressionModeStandardDesc": "Rule-based compression with 30+ patterns, preserves code blocks and URLs",
+    "compressionModeAggressive": "Aggressive",
+    "compressionModeAggressiveDesc": "Summarization + tool result compression + progressive aging for maximum savings",
+    "compressionModeUltra": "Ultra",
+    "compressionModeUltraDesc": "Maximum compression with all techniques including semantic deduplication",
     "compressionGeneral": "General Settings",
     "compressionAutoTrigger": "Auto-Trigger Threshold",
     "compressionCacheTTL": "Cache TTL",
diff --git a/src/i18n/messages/th.json b/src/i18n/messages/th.json
index 14f697a238..3e8c38962e 100644
--- a/src/i18n/messages/th.json
+++ b/src/i18n/messages/th.json
@@ -283,7 +283,9 @@
     "utilization": "การใช้งาน",
     "utilizationDescription": "แนวโน้มการใช้โควต้าของผู้ให้บริการและการติดตามขีดจำกัดอัตรา",
     "comboHealth": "สุขภาพคอมโบ",
-    "comboHealthDescription": "โควต้าระดับคอมโบ การกระจายการใช้งาน และตัวชั่งวัดประสิทธิภาพ"
+    "comboHealthDescription": "โควต้าระดับคอมโบ การกระจายการใช้งาน และตัวชั่งวัดประสิทธิภาพ",
+    "compressionAnalyticsTitle": "Compression Analytics",
+    "compressionAnalyticsDescription": "Compression analytics — token savings, mode breakdown, and provider stats."
   },
   "apiManager": {
     "title": "คีย์ API",
@@ -2422,6 +2424,10 @@
     "compressionModeLiteDesc": "Whitespace and blank line reduction",
     "compressionModeStandard": "Standard (Caveman)",
     "compressionModeStandardDesc": "Rule-based compression with 30+ patterns, preserves code blocks and URLs",
+    "compressionModeAggressive": "Aggressive",
+    "compressionModeAggressiveDesc": "Summarization + tool result compression + progressive aging for maximum savings",
+    "compressionModeUltra": "Ultra",
+    "compressionModeUltraDesc": "Maximum compression with all techniques including semantic deduplication",
     "compressionGeneral": "General Settings",
     "compressionAutoTrigger": "Auto-Trigger Threshold",
     "compressionCacheTTL": "Cache TTL",
diff --git a/src/i18n/messages/tr.json b/src/i18n/messages/tr.json
index 19214cf3d5..6a7368a920 100644
--- a/src/i18n/messages/tr.json
+++ b/src/i18n/messages/tr.json
@@ -283,7 +283,9 @@
     "utilization": "Kullanım",
     "utilizationDescription": "Sağlayıcı kota kullanım trendleri ve hız limiti takibi",
     "comboHealth": "Kombo Sağlığı",
-    "comboHealthDescription": "Kombo düzeyinde kota, kullanım dağılımı ve performans metrikleri"
+    "comboHealthDescription": "Kombo düzeyinde kota, kullanım dağılımı ve performans metrikleri",
+    "compressionAnalyticsTitle": "Compression Analytics",
+    "compressionAnalyticsDescription": "Compression analytics — token savings, mode breakdown, and provider stats."
   },
   "apiManager": {
     "title": "API Anahtarları",
@@ -2422,6 +2424,10 @@
     "compressionModeLiteDesc": "Whitespace and blank line reduction",
     "compressionModeStandard": "Standard (Caveman)",
     "compressionModeStandardDesc": "Rule-based compression with 30+ patterns, preserves code blocks and URLs",
+    "compressionModeAggressive": "Aggressive",
+    "compressionModeAggressiveDesc": "Summarization + tool result compression + progressive aging for maximum savings",
+    "compressionModeUltra": "Ultra",
+    "compressionModeUltraDesc": "Maximum compression with all techniques including semantic deduplication",
     "compressionGeneral": "General Settings",
     "compressionAutoTrigger": "Auto-Trigger Threshold",
     "compressionCacheTTL": "Cache TTL",
diff --git a/src/i18n/messages/uk-UA.json b/src/i18n/messages/uk-UA.json
index f6233ef7e0..ca1f670727 100644
--- a/src/i18n/messages/uk-UA.json
+++ b/src/i18n/messages/uk-UA.json
@@ -283,7 +283,9 @@
     "utilization": "Використання",
     "utilizationDescription": "Тренди використання квоти постачальника та відстеження обмежень швидкості",
     "comboHealth": "Здоров'я комбінації",
-    "comboHealthDescription": "Квота на рівні комбінації, розподіл використання та метрики продуктивності"
+    "comboHealthDescription": "Квота на рівні комбінації, розподіл використання та метрики продуктивності",
+    "compressionAnalyticsTitle": "Compression Analytics",
+    "compressionAnalyticsDescription": "Compression analytics — token savings, mode breakdown, and provider stats."
   },
   "apiManager": {
     "title": "Ключі API",
@@ -2422,6 +2424,10 @@
     "compressionModeLiteDesc": "Whitespace and blank line reduction",
     "compressionModeStandard": "Standard (Caveman)",
     "compressionModeStandardDesc": "Rule-based compression with 30+ patterns, preserves code blocks and URLs",
+    "compressionModeAggressive": "Aggressive",
+    "compressionModeAggressiveDesc": "Summarization + tool result compression + progressive aging for maximum savings",
+    "compressionModeUltra": "Ultra",
+    "compressionModeUltraDesc": "Maximum compression with all techniques including semantic deduplication",
     "compressionGeneral": "General Settings",
     "compressionAutoTrigger": "Auto-Trigger Threshold",
     "compressionCacheTTL": "Cache TTL",
diff --git a/src/i18n/messages/vi.json b/src/i18n/messages/vi.json
index 960b5562e6..e578eab015 100644
--- a/src/i18n/messages/vi.json
+++ b/src/i18n/messages/vi.json
@@ -283,7 +283,9 @@
     "utilization": "Tỷ lệ sử dụng",
     "utilizationDescription": "Xu hướng sử dụng hạn ngạch nhà cung cấp và theo dõi giới hạn tốc độ",
     "comboHealth": "Sức khỏe Combo",
-    "comboHealthDescription": "Hạn ngạch cấp combo, phân phối sử dụng và số liệu hiệu suất"
+    "comboHealthDescription": "Hạn ngạch cấp combo, phân phối sử dụng và số liệu hiệu suất",
+    "compressionAnalyticsTitle": "Compression Analytics",
+    "compressionAnalyticsDescription": "Compression analytics — token savings, mode breakdown, and provider stats."
   },
   "apiManager": {
     "title": "Khóa API",
@@ -2422,6 +2424,10 @@
     "compressionModeLiteDesc": "Whitespace and blank line reduction",
     "compressionModeStandard": "Standard (Caveman)",
     "compressionModeStandardDesc": "Rule-based compression with 30+ patterns, preserves code blocks and URLs",
+    "compressionModeAggressive": "Aggressive",
+    "compressionModeAggressiveDesc": "Summarization + tool result compression + progressive aging for maximum savings",
+    "compressionModeUltra": "Ultra",
+    "compressionModeUltraDesc": "Maximum compression with all techniques including semantic deduplication",
     "compressionGeneral": "General Settings",
     "compressionAutoTrigger": "Auto-Trigger Threshold",
     "compressionCacheTTL": "Cache TTL",
diff --git a/src/i18n/messages/zh-CN.json b/src/i18n/messages/zh-CN.json
index 8553ec6b24..42c84fe9bf 100644
--- a/src/i18n/messages/zh-CN.json
+++ b/src/i18n/messages/zh-CN.json
@@ -283,7 +283,9 @@
     "utilization": "利用率",
     "utilizationDescription": "提供商配额使用趋势和速率限制跟踪",
     "comboHealth": "组合健康状况",
-    "comboHealthDescription": "组合级别配额、使用分布和性能指标"
+    "comboHealthDescription": "组合级别配额、使用分布和性能指标",
+    "compressionAnalyticsTitle": "Compression Analytics",
+    "compressionAnalyticsDescription": "Compression analytics — token savings, mode breakdown, and provider stats."
   },
   "apiManager": {
     "title": "API 密钥",
@@ -2512,6 +2514,10 @@
     "compressionModeLiteDesc": "Whitespace and blank line reduction",
     "compressionModeStandard": "Standard (Caveman)",
     "compressionModeStandardDesc": "Rule-based compression with 30+ patterns, preserves code blocks and URLs",
+    "compressionModeAggressive": "Aggressive",
+    "compressionModeAggressiveDesc": "Summarization + tool result compression + progressive aging for maximum savings",
+    "compressionModeUltra": "Ultra",
+    "compressionModeUltraDesc": "Maximum compression with all techniques including semantic deduplication",
     "compressionGeneral": "General Settings",
     "compressionAutoTrigger": "Auto-Trigger Threshold",
     "compressionCacheTTL": "Cache TTL",
diff --git a/tests/unit/compression/compressionAnalytics.test.ts b/tests/unit/compression/compressionAnalytics.test.ts
new file mode 100644
index 0000000000..6c473f1ab9
--- /dev/null
+++ b/tests/unit/compression/compressionAnalytics.test.ts
@@ -0,0 +1,251 @@
+import { describe, it, before, beforeEach, after } from "node:test";
+import assert from "node:assert/strict";
+import { mkdtempSync, rmSync } from "node:fs";
+import { tmpdir } from "node:os";
+import { join } from "node:path";
+
+const tmpDir = mkdtempSync(join(tmpdir(), "omniroute-test-"));
+process.env.DATA_DIR = tmpDir;
+
+import {
+  insertCompressionAnalyticsRow,
+  getCompressionAnalyticsSummary,
+} from "../../../src/lib/db/compressionAnalytics.js";
+import { getDbInstance } from "../../../src/lib/db/core.js";
+
+describe("compressionAnalytics", () => {
+  before(() => {
+    const db = getDbInstance();
+    db.exec(`
+      CREATE TABLE IF NOT EXISTS compression_analytics (
+        id INTEGER PRIMARY KEY AUTOINCREMENT,
+        timestamp TEXT NOT NULL,
+        combo_id TEXT,
+        provider TEXT,
+        mode TEXT NOT NULL,
+        original_tokens INTEGER NOT NULL,
+        compressed_tokens INTEGER NOT NULL,
+        tokens_saved INTEGER NOT NULL,
+        duration_ms INTEGER,
+        request_id TEXT
+      )
+    `);
+  });
+
+  beforeEach(() => {
+    // Clear table before each test for full isolation
+    const db = getDbInstance();
+    db.exec("DELETE FROM compression_analytics");
+  });
+
+  after(() => {
+    rmSync(tmpDir, { recursive: true, force: true });
+  });
+
+  it("empty table returns zeroed summary", () => {
+    const summary = getCompressionAnalyticsSummary();
+    assert.deepEqual(summary, {
+      totalRequests: 0,
+      totalTokensSaved: 0,
+      avgSavingsPct: 0,
+      avgDurationMs: 0,
+      byMode: {},
+      byProvider: {},
+      last24h: [],
+    });
+  });
+
+  it("insert single row does not throw", () => {
+    const row = {
+      timestamp: new Date().toISOString(),
+      mode: "lite",
+      original_tokens: 1000,
+      compressed_tokens: 800,
+      tokens_saved: 200,
+    };
+    assert.doesNotThrow(() => insertCompressionAnalyticsRow(row));
+    const summary = getCompressionAnalyticsSummary();
+    assert.equal(summary.totalRequests, 1);
+  });
+
+  it("summary counts correctly after multiple inserts", () => {
+    insertCompressionAnalyticsRow({
+      timestamp: new Date().toISOString(),
+      mode: "lite",
+      original_tokens: 1000,
+      compressed_tokens: 800,
+      tokens_saved: 200,
+    });
+    insertCompressionAnalyticsRow({
+      timestamp: new Date().toISOString(),
+      mode: "standard",
+      original_tokens: 300,
+      compressed_tokens: 280,
+      tokens_saved: 20,
+    });
+    insertCompressionAnalyticsRow({
+      timestamp: new Date().toISOString(),
+      mode: "aggressive",
+      original_tokens: 500,
+      compressed_tokens: 400,
+      tokens_saved: 100,
+    });
+    const summary = getCompressionAnalyticsSummary();
+    assert.equal(summary.totalRequests, 3);
+  });
+
+  it("totalTokensSaved sums correctly", () => {
+    insertCompressionAnalyticsRow({
+      timestamp: new Date().toISOString(),
+      mode: "lite",
+      original_tokens: 1000,
+      compressed_tokens: 800,
+      tokens_saved: 200,
+    });
+    insertCompressionAnalyticsRow({
+      timestamp: new Date().toISOString(),
+      mode: "standard",
+      original_tokens: 300,
+      compressed_tokens: 280,
+      tokens_saved: 20,
+    });
+    const summary = getCompressionAnalyticsSummary();
+    assert.equal(summary.totalTokensSaved, 220);
+  });
+
+  it("byMode groups correctly", () => {
+    insertCompressionAnalyticsRow({
+      timestamp: new Date().toISOString(),
+      mode: "lite",
+      original_tokens: 1000,
+      compressed_tokens: 800,
+      tokens_saved: 200,
+    });
+    insertCompressionAnalyticsRow({
+      timestamp: new Date().toISOString(),
+      mode: "lite",
+      original_tokens: 500,
+      compressed_tokens: 400,
+      tokens_saved: 100,
+    });
+    insertCompressionAnalyticsRow({
+      timestamp: new Date().toISOString(),
+      mode: "standard",
+      original_tokens: 300,
+      compressed_tokens: 270,
+      tokens_saved: 30,
+    });
+    const summary = getCompressionAnalyticsSummary();
+    assert.equal(summary.byMode["lite"].count, 2);
+    assert.equal(summary.byMode["lite"].tokensSaved, 300);
+    assert.equal(summary.byMode["standard"].count, 1);
+  });
+
+  it("byProvider groups correctly", () => {
+    insertCompressionAnalyticsRow({
+      timestamp: new Date().toISOString(),
+      mode: "lite",
+      original_tokens: 1000,
+      compressed_tokens: 800,
+      tokens_saved: 200,
+      provider: "ProviderA",
+    });
+    insertCompressionAnalyticsRow({
+      timestamp: new Date().toISOString(),
+      mode: "lite",
+      original_tokens: 500,
+      compressed_tokens: 400,
+      tokens_saved: 100,
+      provider: "ProviderB",
+    });
+    const summary = getCompressionAnalyticsSummary();
+    assert.deepEqual(summary.byProvider["ProviderA"], { count: 1, tokensSaved: 200 });
+    assert.deepEqual(summary.byProvider["ProviderB"], { count: 1, tokensSaved: 100 });
+  });
+
+  it("since=24h filters rows older than 24h", () => {
+    const oldTimestamp = new Date(Date.now() - 48 * 60 * 60 * 1000).toISOString();
+    const recentTimestamp = new Date().toISOString();
+
+    insertCompressionAnalyticsRow({
+      timestamp: oldTimestamp,
+      mode: "lite",
+      original_tokens: 2000,
+      compressed_tokens: 1800,
+      tokens_saved: 200,
+    });
+    insertCompressionAnalyticsRow({
+      timestamp: recentTimestamp,
+      mode: "lite",
+      original_tokens: 1000,
+      compressed_tokens: 900,
+      tokens_saved: 100,
+    });
+
+    const summary24h = getCompressionAnalyticsSummary("24h");
+    assert.equal(summary24h.totalRequests, 1);
+    assert.equal(summary24h.totalTokensSaved, 100);
+  });
+
+  it("since=undefined returns all rows including old ones", () => {
+    const oldTimestamp = new Date(Date.now() - 48 * 60 * 60 * 1000).toISOString();
+    const recentTimestamp = new Date().toISOString();
+
+    insertCompressionAnalyticsRow({
+      timestamp: oldTimestamp,
+      mode: "lite",
+      original_tokens: 2000,
+      compressed_tokens: 1800,
+      tokens_saved: 200,
+    });
+    insertCompressionAnalyticsRow({
+      timestamp: recentTimestamp,
+      mode: "lite",
+      original_tokens: 1000,
+      compressed_tokens: 900,
+      tokens_saved: 100,
+    });
+
+    const summaryAll = getCompressionAnalyticsSummary();
+    assert.equal(summaryAll.totalRequests, 2);
+    assert.equal(summaryAll.totalTokensSaved, 300);
+  });
+
+  it("avgSavingsPct calculates correctly", () => {
+    // 200/1000 = 20%, 100/500 = 20% → avg = 20%
+    insertCompressionAnalyticsRow({
+      timestamp: new Date().toISOString(),
+      mode: "lite",
+      original_tokens: 1000,
+      compressed_tokens: 800,
+      tokens_saved: 200,
+    });
+    insertCompressionAnalyticsRow({
+      timestamp: new Date().toISOString(),
+      mode: "standard",
+      original_tokens: 500,
+      compressed_tokens: 400,
+      tokens_saved: 100,
+    });
+    const summary = getCompressionAnalyticsSummary();
+    assert.equal(summary.avgSavingsPct, 20);
+  });
+
+  it("last24h hourly buckets have correct shape", () => {
+    insertCompressionAnalyticsRow({
+      timestamp: new Date().toISOString(),
+      mode: "lite",
+      original_tokens: 1000,
+      compressed_tokens: 800,
+      tokens_saved: 200,
+    });
+    const hourly = getCompressionAnalyticsSummary("24h").last24h;
+    assert(Array.isArray(hourly));
+    assert(hourly.length <= 24);
+    hourly.forEach((bucket) => {
+      assert(typeof bucket.hour === "string");
+      assert(typeof bucket.count === "number");
+      assert(typeof bucket.tokensSaved === "number");
+    });
+  });
+});