diff --git a/scripts/bump-version.sh b/scripts/bump-version.sh
index 692d9def..9ac79c4d 100755
--- a/scripts/bump-version.sh
+++ b/scripts/bump-version.sh
@@ -1,6 +1,9 @@
 #!/usr/bin/env bash
 # Bump CCS version
 # Usage: ./scripts/bump-version.sh [major|minor|patch]
+#
+# v4.5.0+: Bootstrap architecture - shell scripts delegate to Node.js
+# Version is maintained in: VERSION, package.json, installers/*
 
 set -euo pipefail
 
@@ -10,7 +13,7 @@ VERSION_FILE="$CCS_DIR/VERSION"
 
 # Check VERSION file exists
 if [[ ! -f "$VERSION_FILE" ]]; then
-    echo "✗ Error: VERSION file not found at $VERSION_FILE"
+    echo "[X] Error: VERSION file not found at $VERSION_FILE"
     exit 1
 fi
 
@@ -20,7 +23,7 @@ echo "Current version: $CURRENT_VERSION"
 
 # Parse version
 if [[ ! "$CURRENT_VERSION" =~ ^([0-9]+)\.([0-9]+)\.([0-9]+)$ ]]; then
-    echo "✗ Error: Invalid version format in VERSION file"
+    echo "[X] Error: Invalid version format in VERSION file"
     echo "Expected: MAJOR.MINOR.PATCH (e.g., 1.2.3)"
     exit 1
 fi
@@ -46,7 +49,7 @@ case "$BUMP_TYPE" in
         PATCH=$((PATCH + 1))
         ;;
     *)
-        echo "✗ Error: Invalid bump type '$BUMP_TYPE'"
+        echo "[X] Error: Invalid bump type '$BUMP_TYPE'"
         echo "Usage: $0 [major|minor|patch]"
         exit 1
         ;;
@@ -58,11 +61,12 @@ echo "New version: $NEW_VERSION"
 echo ""
 echo "This will update hardcoded versions in:"
 echo "  1. VERSION file"
-echo "  2. lib/ccs (bash executable)"
-echo "  3. lib/ccs.ps1 (PowerShell executable)"
-echo "  4. package.json (via sync-version.js)"
-echo "  5. installers/install.sh"
-echo "  6. installers/install.ps1"
+echo "  2. package.json (via sync-version.js)"
+echo "  3. installers/install.sh"
+echo "  4. installers/install.ps1"
+echo ""
+echo "Note: lib/ccs and lib/ccs.ps1 are now bootstraps"
+echo "      (delegate to Node.js, no version hardcoded)"
 echo ""
 read -p "Continue? (y/N) " -n 1 -r
 echo
@@ -74,63 +78,47 @@ fi
 
 # Update VERSION file
 echo "$NEW_VERSION" > "$VERSION_FILE"
-echo "✓ Updated VERSION file to $NEW_VERSION"
+echo "[OK] Updated VERSION file to $NEW_VERSION"
 
-# Update ccs (bash executable)
-CCS_BASH="$CCS_DIR/lib/ccs"
-if [[ -f "$CCS_BASH" ]]; then
-    sed -i.bak "s/^CCS_VERSION=\".*\"/CCS_VERSION=\"$NEW_VERSION\"/" "$CCS_BASH"
-    rm -f "$CCS_BASH.bak"
-    echo "✓ Updated lib/ccs (bash executable)"
-else
-    echo "⚠  lib/ccs not found, skipping"
-fi
-
-# Update ccs.ps1 (PowerShell executable)
-CCS_PS1="$CCS_DIR/lib/ccs.ps1"
-if [[ -f "$CCS_PS1" ]]; then
-    sed -i.bak "s/^\$CcsVersion = \".*\"/\$CcsVersion = \"$NEW_VERSION\"/" "$CCS_PS1"
-    rm -f "$CCS_PS1.bak"
-    echo "✓ Updated lib/ccs.ps1 (PowerShell executable)"
-else
-    echo "⚠  lib/ccs.ps1 not found, skipping"
-fi
+# Note: lib/ccs and lib/ccs.ps1 are now lightweight bootstraps
+# They delegate to Node.js via npx - no version variable needed
+# Version is determined by the npm package at runtime
 
 # Update installers/install.sh
 INSTALL_SH="$CCS_DIR/installers/install.sh"
 if [[ -f "$INSTALL_SH" ]]; then
     sed -i.bak "s/^CCS_VERSION=\".*\"/CCS_VERSION=\"$NEW_VERSION\"/" "$INSTALL_SH"
     rm -f "$INSTALL_SH.bak"
-    echo "✓ Updated installers/install.sh"
+    echo "[OK] Updated installers/install.sh"
 else
-    echo "⚠  installers/install.sh not found, skipping"
+    echo "[!] installers/install.sh not found, skipping"
 fi
 
 # Update installers/install.ps1
 INSTALL_PS1="$CCS_DIR/installers/install.ps1"
 if [[ -f "$INSTALL_PS1" ]]; then
-    sed -i.bak "s/^\$CcsVersion = \".*\"/\$CcsVersion = \"$NEW_VERSION\"/" "$INSTALL_PS1"
+    sed -i.bak "s/^\\\$CcsVersion = \".*\"/\\\$CcsVersion = \"$NEW_VERSION\"/" "$INSTALL_PS1"
     rm -f "$INSTALL_PS1.bak"
-    echo "✓ Updated installers/install.ps1"
+    echo "[OK] Updated installers/install.ps1"
 else
-    echo "⚠  installers/install.ps1 not found, skipping"
+    echo "[!] installers/install.ps1 not found, skipping"
 fi
 
 # Sync version to package.json
 echo "Syncing version to package.json..."
 if node "$SCRIPT_DIR/sync-version.js"; then
-    echo "✓ Synced version to package.json"
+    echo "[OK] Synced version to package.json"
 else
-    echo "✗ Error: Failed to sync version to package.json"
+    echo "[X] Error: Failed to sync version to package.json"
     exit 1
 fi
 
 echo ""
-echo "✓ Version bumped to $NEW_VERSION"
+echo "[OK] Version bumped to $NEW_VERSION"
 echo ""
 echo "Next steps:"
 echo "  1. Review changes: git diff"
-echo "  2. Commit: git add VERSION package.json lib/ccs lib/ccs.ps1 installers/install.sh installers/install.ps1"
+echo "  2. Commit: git add VERSION package.json installers/install.sh installers/install.ps1"
 echo "  3. Commit: git commit -m \"chore: bump version to $NEW_VERSION\""
 echo "  4. Tag: git tag v$NEW_VERSION"
 echo "  5. Push: git push origin main && git push origin v$NEW_VERSION"