diff --git a/config/platform-infra/webterm.yaml b/config/platform-infra/webterm.yaml
index 7979dbf3..bf44a4e6 100644
--- a/config/platform-infra/webterm.yaml
+++ b/config/platform-infra/webterm.yaml
@@ -37,6 +37,14 @@ browserTerminalHistory:
 browserOutputPolicy:
   maxFramesPerSecond: 10
   maxFrameBytes: 65536
+  compression:
+    enabled: true
+    thresholdBytes: 1024
+    level: 3
+    memLevel: 7
+    concurrencyLimit: 4
+    serverContextTakeover: true
+    clientContextTakeover: false
 
 browserPerformance:
   animationsEnabled: true
diff --git a/scripts/src/platform-infra-webterm.ts b/scripts/src/platform-infra-webterm.ts
index 9a59593e..9918127b 100644
--- a/scripts/src/platform-infra-webterm.ts
+++ b/scripts/src/platform-infra-webterm.ts
@@ -51,6 +51,7 @@ interface BrowserTerminalHistory {
 interface BrowserOutputPolicy {
   maxFramesPerSecond: number;
   maxFrameBytes: number;
+  compression: { enabled: boolean; thresholdBytes: number; level: number; memLevel: number; concurrencyLimit: number; serverContextTakeover: boolean; clientContextTakeover: boolean };
 }
 
 interface BrowserPerformance {
@@ -757,9 +758,19 @@ function parseBrowserTerminalHistory(record: Record<string, unknown>, path: stri
 }
 
 function parseBrowserOutputPolicy(record: Record<string, unknown>, path: string): BrowserOutputPolicy {
+  const compression = recordField(record, "compression", path);
   return {
     maxFramesPerSecond: positiveIntegerField(record, "maxFramesPerSecond", path),
     maxFrameBytes: positiveIntegerField(record, "maxFrameBytes", path),
+    compression: {
+      enabled: booleanField(compression, "enabled", `${path}.compression`),
+      thresholdBytes: positiveIntegerField(compression, "thresholdBytes", `${path}.compression`),
+      level: positiveIntegerField(compression, "level", `${path}.compression`),
+      memLevel: positiveIntegerField(compression, "memLevel", `${path}.compression`),
+      concurrencyLimit: positiveIntegerField(compression, "concurrencyLimit", `${path}.compression`),
+      serverContextTakeover: booleanField(compression, "serverContextTakeover", `${path}.compression`),
+      clientContextTakeover: booleanField(compression, "clientContextTakeover", `${path}.compression`),
+    },
   };
 }