diff --git a/.github/scripts/attach-apk-to-release.sh b/.github/scripts/attach-apk-to-release.sh
index 174023aa..4491178f 100755
--- a/.github/scripts/attach-apk-to-release.sh
+++ b/.github/scripts/attach-apk-to-release.sh
@@ -28,8 +28,8 @@ VERSION="$4"
 ENV="$5"
 
 if [ -z "$TAG_NAME" ] || [ -z "$APP" ] || [ -z "$APP_NAME" ] || [ -z "$VERSION" ] || [ -z "$ENV" ]; then
-    echo "❌ Error: Missing required arguments"
-    echo "Usage: $0 <tag_name> <app> <app_name> <version> <environment>"
+    echo "❌ Error: Missing required arguments" >&2
+    echo "Usage: $0 <tag_name> <app> <app_name> <version> <environment>" >&2
     exit 1
 fi
 
@@ -37,8 +37,8 @@ fi
 APK_PATH="apps/mobile/apps/${APP_NAME}/build/app/outputs/flutter-apk/app-release.apk"
 
 if [ ! -f "$APK_PATH" ]; then
-    echo "❌ Error: APK not found at $APK_PATH"
-    echo "Searching for APK files..."
+    echo "❌ Error: APK not found at $APK_PATH" >&2
+    echo "Searching for APK files..." >&2
     find apps/mobile/apps/${APP_NAME} -name "*.apk"
     exit 1
 fi
@@ -54,7 +54,7 @@ fi
 cp "$APK_PATH" "/tmp/$APK_NAME"
 
 # Upload to GitHub Release
-echo "📤 Uploading $APK_NAME to release $TAG_NAME..."
+echo "📤 Uploading $APK_NAME to release $TAG_NAME..." >&2
 gh release upload "$TAG_NAME" "/tmp/$APK_NAME" --clobber
 
-echo "✅ APK attached to release: $APK_NAME"
+echo "✅ APK attached to release: $APK_NAME" >&2
diff --git a/.github/scripts/extract-release-notes.sh b/.github/scripts/extract-release-notes.sh
index f29530fe..5d064a7b 100755
--- a/.github/scripts/extract-release-notes.sh
+++ b/.github/scripts/extract-release-notes.sh
@@ -11,8 +11,8 @@ TAG_NAME=$4
 OUTPUT_FILE=$5
 
 if [ -z "$APP" ] || [ -z "$VERSION" ] || [ -z "$ENV" ] || [ -z "$TAG_NAME" ] || [ -z "$OUTPUT_FILE" ]; then
-  echo "❌ Error: Missing required parameters"
-  echo "Usage: ./extract-release-notes.sh <app> <version> <environment> <tag_name> <output_file>"
+  echo "❌ Error: Missing required parameters" >&2
+  echo "Usage: ./extract-release-notes.sh <app> <version> <environment> <tag_name> <output_file>" >&2
   exit 1
 fi
 
@@ -27,14 +27,14 @@ fi
 
 # Try to extract release notes for this version
 if [ -f "$CHANGELOG_PATH" ]; then
-  echo "📝 Found CHANGELOG at $CHANGELOG_PATH"
+  echo "📝 Found CHANGELOG at $CHANGELOG_PATH" >&2
   
   # Extract section for this version
   # Look for ## [VERSION] and collect until next ## [ or end of file
   NOTES=$(awk "/## \[${VERSION}\]/,/^## \[/" "$CHANGELOG_PATH" | sed '1d;$d' | sed '/^$/d')
   
   if [ -z "$NOTES" ]; then
-    echo "⚠️ Warning: No CHANGELOG entry found for version $VERSION"
+    echo "⚠️ Warning: No CHANGELOG entry found for version $VERSION" >&2
     NOTES="Release $VERSION for $APP_NAME
 
 ⚠️ No CHANGELOG entry found for this version. Please update the CHANGELOG manually.
@@ -42,7 +42,7 @@ if [ -f "$CHANGELOG_PATH" ]; then
 **Environment:** $ENV
 **Tag:** $TAG_NAME"
   else
-    echo "✅ Extracted release notes for version $VERSION"
+    echo "✅ Extracted release notes for version $VERSION" >&2
     NOTES="# $APP_NAME - Release $VERSION
 
 $NOTES
@@ -53,7 +53,7 @@ $NOTES
 **Tag:** $TAG_NAME"
   fi
 else
-  echo "⚠️ Warning: CHANGELOG not found at $CHANGELOG_PATH"
+  echo "⚠️ Warning: CHANGELOG not found at $CHANGELOG_PATH" >&2
   NOTES="Release $VERSION for $APP_NAME
 
 **Environment:** $ENV
@@ -62,4 +62,4 @@ fi
 
 # Save to output file
 echo "$NOTES" > "$OUTPUT_FILE"
-echo "✅ Release notes saved to $OUTPUT_FILE"
+echo "✅ Release notes saved to $OUTPUT_FILE" >&2
diff --git a/.github/scripts/extract-version.sh b/.github/scripts/extract-version.sh
index 88d97dd8..5f6507bd 100755
--- a/.github/scripts/extract-version.sh
+++ b/.github/scripts/extract-version.sh
@@ -8,7 +8,7 @@ set -e
 APP=$1
 
 if [ -z "$APP" ]; then
-  echo "❌ Error: App parameter required (worker-mobile-app or client-mobile-app)"
+  echo "❌ Error: App parameter required (worker-mobile-app or client-mobile-app)" >&2
   exit 1
 fi
 
@@ -23,26 +23,26 @@ fi
 
 # Check if pubspec exists
 if [ ! -f "$PUBSPEC_PATH" ]; then
-  echo "❌ Error: pubspec.yaml not found at $PUBSPEC_PATH"
+  echo "❌ Error: pubspec.yaml not found at $PUBSPEC_PATH" >&2
   exit 1
 fi
 
-# Extract version (format: X.Y.Z+buildNumber)
+# Extract version (format: X.Y.Z+buildNumber or X.Y.Z-suffix)
 VERSION_LINE=$(grep "^version:" "$PUBSPEC_PATH")
 if [ -z "$VERSION_LINE" ]; then
-  echo "❌ Error: Could not find version in $PUBSPEC_PATH"
+  echo "❌ Error: Could not find version in $PUBSPEC_PATH" >&2
   exit 1
 fi
 
-# Extract just the semantic version (before the +)
-VERSION=$(echo "$VERSION_LINE" | sed 's/version: *//' | sed 's/+.*//' | tr -d ' ')
+# Extract just the semantic version (before the + or -)
+VERSION=$(echo "$VERSION_LINE" | sed 's/version: *//' | sed 's/[+\-].*//' | tr -d ' ')
 
 # Validate version format
 if ! [[ "$VERSION" =~ ^[0-9]+\.[0-9]+\.[0-9]+$ ]]; then
-  echo "❌ Error: Invalid version format in pubspec.yaml: $VERSION"
-  echo "Expected format: X.Y.Z (e.g., 0.1.0)"
+  echo "❌ Error: Invalid version format in pubspec.yaml: $VERSION" >&2
+  echo "Expected format: X.Y.Z (e.g., 0.1.0)" >&2
   exit 1
 fi
 
-echo "✅ Extracted version from $PUBSPEC_PATH: $VERSION"
+echo "✅ Extracted version from $PUBSPEC_PATH: $VERSION" >&2
 echo "$VERSION"
diff --git a/.github/scripts/generate-tag-name.sh b/.github/scripts/generate-tag-name.sh
index c779b542..8376a217 100755
--- a/.github/scripts/generate-tag-name.sh
+++ b/.github/scripts/generate-tag-name.sh
@@ -9,8 +9,8 @@ ENV=$2
 VERSION=$3
 
 if [ -z "$APP" ] || [ -z "$ENV" ] || [ -z "$VERSION" ]; then
-  echo "❌ Error: Missing required parameters"
-  echo "Usage: ./generate-tag-name.sh <app> <environment> <version>"
+  echo "❌ Error: Missing required parameters" >&2
+  echo "Usage: ./generate-tag-name.sh <app> <environment> <version>" >&2
   exit 1
 fi
 
diff --git a/.github/scripts/setup-apk-signing.sh b/.github/scripts/setup-apk-signing.sh
index fe982f6a..197df4eb 100755
--- a/.github/scripts/setup-apk-signing.sh
+++ b/.github/scripts/setup-apk-signing.sh
@@ -32,12 +32,12 @@ ENV="$2"
 TEMP_DIR="$3"
 
 if [ -z "$APP" ] || [ -z "$ENV" ] || [ -z "$TEMP_DIR" ]; then
-    echo "❌ Error: Missing required arguments"
-    echo "Usage: $0 <app> <environment> <temp_dir>"
+    echo "❌ Error: Missing required arguments" >&2
+    echo "Usage: $0 <app> <environment> <temp_dir>" >&2
     exit 1
 fi
 
-echo "🔐 Setting up Android signing for $APP in $ENV environment..."
+echo "🔐 Setting up Android signing for $APP in $ENV environment..." >&2
 
 # Determine which keystore to use
 if [ "$APP" = "worker-mobile-app" ]; then
@@ -68,9 +68,9 @@ KEY_PASSWORD="${!KEY_PASSWORD_VAR}"
 
 # Check if secrets are configured
 if [ -z "$KEYSTORE_BASE64" ]; then
-    echo "⚠️  WARNING: Keystore secret $KEYSTORE_BASE64_VAR is not configured!"
-    echo "⚠️  APK will be built UNSIGNED for $ENV environment."
-    echo "⚠️  Please configure GitHub Secrets as documented in docs/RELEASE/APK_SIGNING_SETUP.md"
+    echo "⚠️  WARNING: Keystore secret $KEYSTORE_BASE64_VAR is not configured!" >&2
+    echo "⚠️  APK will be built UNSIGNED for $ENV environment." >&2
+    echo "⚠️  Please configure GitHub Secrets as documented in docs/RELEASE/APK_SIGNING_SETUP.md" >&2
     exit 0
 fi
 
@@ -83,12 +83,12 @@ KEYSTORE_PATH="$KEYSTORE_DIR/release.jks"
 echo "$KEYSTORE_BASE64" | base64 -d > "$KEYSTORE_PATH"
 
 if [ ! -f "$KEYSTORE_PATH" ]; then
-    echo "❌ Failed to decode keystore!"
+    echo "❌ Failed to decode keystore!" >&2
     exit 1
 fi
 
-echo "✅ Keystore decoded successfully"
-echo "📦 Keystore size: $(ls -lh "$KEYSTORE_PATH" | awk '{print $5}')"
+echo "✅ Keystore decoded successfully" >&2
+echo "📦 Keystore size: $(ls -lh "$KEYSTORE_PATH" | awk '{print $5}')" >&2
 
 # Export environment variables for build.gradle.kts
 # Using CodeMagic-compatible variable names
@@ -98,5 +98,5 @@ echo "CM_KEYSTORE_PASSWORD_${APP_NAME}=$KEYSTORE_PASSWORD" >> $GITHUB_ENV
 echo "CM_KEY_ALIAS_${APP_NAME}=$KEY_ALIAS" >> $GITHUB_ENV
 echo "CM_KEY_PASSWORD_${APP_NAME}=$KEY_PASSWORD" >> $GITHUB_ENV
 
-echo "✅ Signing environment configured for $APP_NAME ($ENV environment)"
-echo "🔑 Using key alias: $KEY_ALIAS"
+echo "✅ Signing environment configured for $APP_NAME ($ENV environment)" >&2
+echo "🔑 Using key alias: $KEY_ALIAS" >&2
diff --git a/.github/scripts/verify-apk-signature.sh b/.github/scripts/verify-apk-signature.sh
index 16832d02..eec7088a 100755
--- a/.github/scripts/verify-apk-signature.sh
+++ b/.github/scripts/verify-apk-signature.sh
@@ -18,41 +18,41 @@ set -e
 APK_PATH="$1"
 
 if [ -z "$APK_PATH" ]; then
-    echo "❌ Error: Missing APK path"
-    echo "Usage: $0 <apk_path>"
+    echo "❌ Error: Missing APK path" >&2
+    echo "Usage: $0 <apk_path>" >&2
     exit 1
 fi
 
 if [ ! -f "$APK_PATH" ]; then
-    echo "❌ APK not found at: $APK_PATH"
+    echo "❌ APK not found at: $APK_PATH" >&2
     exit 1
 fi
 
-echo "🔍 Verifying APK signature..."
+echo "🔍 Verifying APK signature..." >&2
 
 # Check if APK is signed
 if jarsigner -verify -verbose "$APK_PATH" 2>&1 | grep -q "jar verified"; then
-    echo "✅ APK is properly signed!"
+    echo "✅ APK is properly signed!" >&2
     
     # Extract certificate details
-    echo ""
-    echo "📜 Certificate Details:"
+    echo "" >&2
+    echo "📜 Certificate Details:" >&2
     jarsigner -verify -verbose -certs "$APK_PATH" 2>&1 | grep -A 3 "X.509" || true
     
     # Get signer info
-    echo ""
-    echo "🔑 Signer Information:"
+    echo "" >&2
+    echo "🔑 Signer Information:" >&2
     keytool -printcert -jarfile "$APK_PATH" | head -n 15
     
 else
-    echo "⚠️  WARNING: APK signature verification failed or APK is unsigned!"
-    echo ""
-    echo "This may happen if:"
-    echo "  1. GitHub Secrets are not configured for this environment"
-    echo "  2. Keystore credentials are incorrect"
-    echo "  3. Build configuration didn't apply signing"
-    echo ""
-    echo "See: docs/RELEASE/APK_SIGNING_SETUP.md for setup instructions"
+    echo "⚠️  WARNING: APK signature verification failed or APK is unsigned!" >&2
+    echo "" >&2
+    echo "This may happen if:" >&2
+    echo "  1. GitHub Secrets are not configured for this environment" >&2
+    echo "  2. Keystore credentials are incorrect" >&2
+    echo "  3. Build configuration didn't apply signing" >&2
+    echo "" >&2
+    echo "See: docs/RELEASE/APK_SIGNING_SETUP.md for setup instructions" >&2
     
     # Don't fail the build, just warn
     # exit 1