diff --git a/sdk-bugcollect/build.gradle.kts b/sdk-bugcollect/build.gradle.kts
index 59aa3d6..99bf336 100644
--- a/sdk-bugcollect/build.gradle.kts
+++ b/sdk-bugcollect/build.gradle.kts
@@ -13,15 +13,6 @@ android {
         consumerProguardFiles("consumer-rules.pro")
     }
 
-    buildTypes {
-        release {
-            isMinifyEnabled = true
-            proguardFiles(
-                getDefaultProguardFile("proguard-android-optimize.txt"),
-                "proguard-rules.pro"
-            )
-        }
-    }
 
     publishing { singleVariant("release") { withSourcesJar() } }
 
diff --git a/sdk-bugcollect/consumer-rules.pro b/sdk-bugcollect/consumer-rules.pro
index a12c880..e2ba34b 100644
--- a/sdk-bugcollect/consumer-rules.pro
+++ b/sdk-bugcollect/consumer-rules.pro
@@ -6,3 +6,14 @@
 -keep public class com.xuqm.sdk.bugcollect.LogLevel { public *; }
 -keep public class com.xuqm.sdk.bugcollect.Breadcrumb { public *; }
 -keep public class com.xuqm.sdk.bugcollect.FunnelTracker { public *; }
+-keep public class com.xuqm.sdk.bugcollect.IssueEvent { *; }
+-keep public class com.xuqm.sdk.bugcollect.LogEvent { *; }
+
+# ContentProvider: class name referenced in AndroidManifest — must not be renamed
+-keep class com.xuqm.sdk.bugcollect.internal.BugCollectInitProvider
+
+-keepattributes *Annotation*, Signature, InnerClasses, EnclosingMethod
+
+-keepclassmembers class com.xuqm.sdk.bugcollect.** {
+    @com.google.gson.annotations.SerializedName <fields>;
+}
diff --git a/sdk-bugcollect/proguard-rules.pro b/sdk-bugcollect/proguard-rules.pro
index 7378586..4e8ed23 100644
--- a/sdk-bugcollect/proguard-rules.pro
+++ b/sdk-bugcollect/proguard-rules.pro
@@ -1,23 +1 @@
-# BugCollect object: accessed via reflection from sdk-webview (captureError, INSTANCE)
--keep class com.xuqm.sdk.bugcollect.BugCollect {
-    public *;
-    static <fields>;
-}
-
-# Public types passed to / returned from BugCollect public API
--keep public class com.xuqm.sdk.bugcollect.Breadcrumb { public *; }
--keep public class com.xuqm.sdk.bugcollect.LogLevel { public *; }
--keep public class com.xuqm.sdk.bugcollect.IssueEvent { *; }
--keep public class com.xuqm.sdk.bugcollect.LogEvent { *; }
--keep public class com.xuqm.sdk.bugcollect.FunnelTracker { public *; }
-
-# ContentProvider: class name referenced in AndroidManifest — must not be renamed
--keep class com.xuqm.sdk.bugcollect.internal.BugCollectInitProvider
-
--keepattributes *Annotation*, Signature, InnerClasses, EnclosingMethod
-
-# Gson field names in log payloads
--keepclassmembers class com.xuqm.sdk.bugcollect.** {
-    @com.google.gson.annotations.SerializedName <fields>;
-}
--dontwarn com.xuqm.sdk.**
+# Library modules do not use isMinifyEnabled. Rules are in consumer-rules.pro.
diff --git a/sdk-core/build.gradle.kts b/sdk-core/build.gradle.kts
index fd6e706..f2335c3 100644
--- a/sdk-core/build.gradle.kts
+++ b/sdk-core/build.gradle.kts
@@ -19,15 +19,6 @@ android {
         consumerProguardFiles("consumer-rules.pro")
     }
 
-    buildTypes {
-        release {
-            isMinifyEnabled = true
-            proguardFiles(
-                getDefaultProguardFile("proguard-android-optimize.txt"),
-                "proguard-rules.pro"
-            )
-        }
-    }
 
     compileOptions {
         sourceCompatibility = JavaVersion.VERSION_11
diff --git a/sdk-core/consumer-rules.pro b/sdk-core/consumer-rules.pro
index dccd889..9e12c10 100644
--- a/sdk-core/consumer-rules.pro
+++ b/sdk-core/consumer-rules.pro
@@ -20,7 +20,12 @@
     @com.google.gson.annotations.SerializedName <fields>;
 }
 
+# ── Kotlinx serialization ─────────────────────────────────────────────────────
+-keepclassmembers @kotlinx.serialization.Serializable class ** { *; }
+-keep class kotlinx.serialization.** { *; }
+
 # ── Retrofit / OkHttp (belt-and-suspenders; they ship their own rules) ────────
 -keepattributes Signature
 -keepattributes *Annotation*
 -keepattributes Exceptions
+-keepattributes InnerClasses, EnclosingMethod
diff --git a/sdk-core/proguard-rules.pro b/sdk-core/proguard-rules.pro
index aa8a2a9..4e8ed23 100644
--- a/sdk-core/proguard-rules.pro
+++ b/sdk-core/proguard-rules.pro
@@ -1,17 +1 @@
-# sdk-core is the base dependency for all other SDK modules.
-# Renaming its classes would break the cross-module class references at runtime
-# (each module's R8 sees sdk-core's minified output as classpath).
-# Strategy: dead-code elimination only, no renaming.
--keep class com.xuqm.sdk.** { *; }
-
-# Kotlin & annotation metadata (required by kotlinx.serialization and Compose)
--keepattributes *Annotation*, Signature, InnerClasses, EnclosingMethod
-
-# Kotlinx serialization
--keepclassmembers @kotlinx.serialization.Serializable class ** { *; }
--keep class kotlinx.serialization.** { *; }
-
-# Gson field names in network models
--keepclassmembers class com.xuqm.sdk.** {
-    @com.google.gson.annotations.SerializedName <fields>;
-}
+# Library modules do not use isMinifyEnabled. Rules are in consumer-rules.pro.
diff --git a/sdk-im/build.gradle.kts b/sdk-im/build.gradle.kts
index 073dc97..e6e6313 100644
--- a/sdk-im/build.gradle.kts
+++ b/sdk-im/build.gradle.kts
@@ -17,15 +17,6 @@ android {
         consumerProguardFiles("consumer-rules.pro")
     }
 
-    buildTypes {
-        release {
-            isMinifyEnabled = true
-            proguardFiles(
-                getDefaultProguardFile("proguard-android-optimize.txt"),
-                "proguard-rules.pro"
-            )
-        }
-    }
 
     compileOptions {
         sourceCompatibility = JavaVersion.VERSION_11
diff --git a/sdk-im/proguard-rules.pro b/sdk-im/proguard-rules.pro
index e98098d..4e8ed23 100644
--- a/sdk-im/proguard-rules.pro
+++ b/sdk-im/proguard-rules.pro
@@ -1,12 +1 @@
-# Public API
--keep public class com.xuqm.sdk.im.ImSDK { public *; }
--keep public class com.xuqm.sdk.im.model.** { public *; }
--keep public interface com.xuqm.sdk.im.listener.** { public *; }
-
--keepattributes *Annotation*, Signature, InnerClasses, EnclosingMethod
-
-# IM message payloads use Gson
--keepclassmembers class com.xuqm.sdk.im.** {
-    @com.google.gson.annotations.SerializedName <fields>;
-}
--dontwarn com.xuqm.sdk.**
+# Library modules do not use isMinifyEnabled. Rules are in consumer-rules.pro.
diff --git a/sdk-license/build.gradle.kts b/sdk-license/build.gradle.kts
index c013c88..700cc9a 100644
--- a/sdk-license/build.gradle.kts
+++ b/sdk-license/build.gradle.kts
@@ -18,15 +18,6 @@ android {
         consumerProguardFiles("consumer-rules.pro")
     }
 
-    buildTypes {
-        release {
-            isMinifyEnabled = true
-            proguardFiles(
-                getDefaultProguardFile("proguard-android-optimize.txt"),
-                "proguard-rules.pro"
-            )
-        }
-    }
 
     compileOptions {
         sourceCompatibility = JavaVersion.VERSION_11
diff --git a/sdk-license/consumer-rules.pro b/sdk-license/consumer-rules.pro
index 3bb56c3..b7a7348 100644
--- a/sdk-license/consumer-rules.pro
+++ b/sdk-license/consumer-rules.pro
@@ -12,6 +12,14 @@
     @com.google.gson.annotations.SerializedName <fields>;
 }
 
+# ContentProvider: class name referenced in AndroidManifest — must not be renamed
+-keep class com.xuqm.sdk.license.internal.LicenseInitializerProvider
+
+# ── Kotlinx serialization ─────────────────────────────────────────────────────
+-keepclassmembers @kotlinx.serialization.Serializable class ** { *; }
+-keep class kotlinx.serialization.** { *; }
+
 # ── Retrofit / OkHttp ────────────────────────────────────────────────────────
 -keepattributes Signature
 -keepattributes *Annotation*
+-keepattributes InnerClasses, EnclosingMethod
diff --git a/sdk-license/proguard-rules.pro b/sdk-license/proguard-rules.pro
index 15f4f45..4e8ed23 100644
--- a/sdk-license/proguard-rules.pro
+++ b/sdk-license/proguard-rules.pro
@@ -1,16 +1 @@
-# Public API
--keep public class com.xuqm.sdk.license.LicenseSDK { public *; }
--keep public interface com.xuqm.sdk.license.LicenseCallback { public *; }
--keep public class com.xuqm.sdk.license.LicenseConfig { public *; }
--keep public class com.xuqm.sdk.license.LicenseResult { public *; }
--keep public class com.xuqm.sdk.license.model.** { public *; }
-
-# ContentProvider: class name referenced in AndroidManifest — must not be renamed
--keep class com.xuqm.sdk.license.internal.LicenseInitializerProvider
-
--keepattributes *Annotation*, Signature, InnerClasses, EnclosingMethod
-
-# Kotlinx serialization (used by this module)
--keepclassmembers @kotlinx.serialization.Serializable class ** { *; }
--keep class kotlinx.serialization.** { *; }
--dontwarn com.xuqm.sdk.**
+# Library modules do not use isMinifyEnabled. Rules are in consumer-rules.pro.
diff --git a/sdk-push/build.gradle.kts b/sdk-push/build.gradle.kts
index 0c2003f..9783712 100644
--- a/sdk-push/build.gradle.kts
+++ b/sdk-push/build.gradle.kts
@@ -20,15 +20,6 @@ android {
         manifestPlaceholders["XUQM_HONOR_APP_ID"] = ""
     }
 
-    buildTypes {
-        release {
-            isMinifyEnabled = true
-            proguardFiles(
-                getDefaultProguardFile("proguard-android-optimize.txt"),
-                "proguard-rules.pro"
-            )
-        }
-    }
 
     compileOptions {
         sourceCompatibility = JavaVersion.VERSION_11
diff --git a/sdk-push/consumer-rules.pro b/sdk-push/consumer-rules.pro
index 89d0231..dd1ca31 100644
--- a/sdk-push/consumer-rules.pro
+++ b/sdk-push/consumer-rules.pro
@@ -26,3 +26,14 @@
 -keepattributes Signature
 -keepattributes *Annotation*
 -keepattributes Exceptions
+-keepattributes InnerClasses, EnclosingMethod
+
+# ── Optional deps (compileOnly) — suppress R8 missing-class warnings ──────────
+-dontwarn com.google.android.gms.**
+-dontwarn com.google.firebase.**
+-dontwarn com.huawei.**
+-dontwarn com.hihonor.**
+-dontwarn io.github.hebeiliang.**
+-dontwarn com.umeng.**
+-dontwarn com.heytap.**
+-dontwarn com.vivo.**
diff --git a/sdk-push/proguard-rules.pro b/sdk-push/proguard-rules.pro
index 0fa7070..4e8ed23 100644
--- a/sdk-push/proguard-rules.pro
+++ b/sdk-push/proguard-rules.pro
@@ -1,26 +1 @@
-# Public API entry point
--keep public class com.xuqm.sdk.push.PushSDK { public *; }
--keep public class com.xuqm.sdk.push.model.** { public *; }
--keep public class com.xuqm.sdk.push.PushNotificationChannelManager { public *; }
-
-# Service / Receiver classes registered in AndroidManifest — must NOT be renamed
--keep class com.xuqm.sdk.push.fcm.XuqmFirebaseMessagingService
--keep class com.xuqm.sdk.push.honor.XuqmHonorPushService
--keep class com.xuqm.sdk.push.huawei.XuqmHuaweiPushService
--keep class com.xuqm.sdk.push.xiaomi.XuqmXiaomiPushReceiver
--keep class com.xuqm.sdk.push.vivo.XuqmVivoPushReceiver
-
--keepattributes *Annotation*, Signature, InnerClasses, EnclosingMethod
--dontwarn com.xuqm.sdk.**
-
-# Firebase / GMS: compileOnly — transitive classes may be missing from classpath
--dontwarn com.google.android.gms.**
--dontwarn com.google.firebase.**
-
-# Vendor push SDKs: compileOnly / optional transitive deps
--dontwarn com.huawei.**
--dontwarn com.hihonor.**
--dontwarn io.github.hebeiliang.**
--dontwarn com.umeng.**
--dontwarn com.heytap.**
--dontwarn com.vivo.**
+# Library modules do not use isMinifyEnabled. Rules are in consumer-rules.pro.
diff --git a/sdk-update/build.gradle.kts b/sdk-update/build.gradle.kts
index 3200e73..756a511 100644
--- a/sdk-update/build.gradle.kts
+++ b/sdk-update/build.gradle.kts
@@ -17,15 +17,6 @@ android {
         consumerProguardFiles("consumer-rules.pro")
     }
 
-    buildTypes {
-        release {
-            isMinifyEnabled = true
-            proguardFiles(
-                getDefaultProguardFile("proguard-android-optimize.txt"),
-                "proguard-rules.pro"
-            )
-        }
-    }
 
     compileOptions {
         sourceCompatibility = JavaVersion.VERSION_11
diff --git a/sdk-update/proguard-rules.pro b/sdk-update/proguard-rules.pro
index 63271a3..4e8ed23 100644
--- a/sdk-update/proguard-rules.pro
+++ b/sdk-update/proguard-rules.pro
@@ -1,12 +1 @@
-# Public API
--keep public class com.xuqm.sdk.update.UpdateSDK { public *; }
--keep public interface com.xuqm.sdk.update.UpdateListener { public *; }
--keep public class com.xuqm.sdk.update.model.** { public *; }
-
--keepattributes *Annotation*, Signature, InnerClasses, EnclosingMethod
-
-# Gson model fields in update info payload
--keepclassmembers class com.xuqm.sdk.update.** {
-    @com.google.gson.annotations.SerializedName <fields>;
-}
--dontwarn com.xuqm.sdk.**
+# Library modules do not use isMinifyEnabled. Rules are in consumer-rules.pro.
diff --git a/sdk-webview/build.gradle.kts b/sdk-webview/build.gradle.kts
index 463f4ca..2acb445 100644
--- a/sdk-webview/build.gradle.kts
+++ b/sdk-webview/build.gradle.kts
@@ -18,15 +18,6 @@ android {
         consumerProguardFiles("consumer-rules.pro")
     }
 
-    buildTypes {
-        release {
-            isMinifyEnabled = true
-            proguardFiles(
-                getDefaultProguardFile("proguard-android-optimize.txt"),
-                "proguard-rules.pro"
-            )
-        }
-    }
 
     compileOptions {
         sourceCompatibility = JavaVersion.VERSION_11
diff --git a/sdk-webview/consumer-rules.pro b/sdk-webview/consumer-rules.pro
index 81393d5..b0b21dd 100644
--- a/sdk-webview/consumer-rules.pro
+++ b/sdk-webview/consumer-rules.pro
@@ -1 +1,7 @@
-# Keep module rules intentionally empty for now.
+# All webview classes are public API consumed directly by app code
+-keep public class com.xuqm.sdk.webview.** { public *; }
+
+# XWebViewActivity is registered in AndroidManifest — must not be renamed
+-keep class com.xuqm.sdk.webview.XWebViewActivity
+
+-keepattributes *Annotation*, Signature, InnerClasses, EnclosingMethod
diff --git a/sdk-webview/proguard-rules.pro b/sdk-webview/proguard-rules.pro
index 172af79..4e8ed23 100644
--- a/sdk-webview/proguard-rules.pro
+++ b/sdk-webview/proguard-rules.pro
@@ -1,12 +1 @@
-# All webview classes are public API consumed directly by app code
--keep public class com.xuqm.sdk.webview.** { public *; }
-
-# XWebViewActivity is registered in AndroidManifest — must not be renamed
--keep class com.xuqm.sdk.webview.XWebViewActivity
-
-# Compose @Composable functions require annotation and signature retention
--keepattributes *Annotation*, Signature, InnerClasses, EnclosingMethod
-
-# sdk-core internal classes (auth/network) appear "missing" after sdk-core's R8 pass
-# when both modules build in the same Gradle invocation; suppress to allow compilation
--dontwarn com.xuqm.sdk.**
+# Library modules do not use isMinifyEnabled. Rules are in consumer-rules.pro.