fix: mdbook deploy by removing deprecated field and ensuring mermaid assets

- Remove deprecated 'multilingual' field from book.toml
- Add ensure_mermaid_assets() to mdbook.sh to generate JS files before build

Author: ammar-agent

book.toml

@@ -1,7 +1,6 @@
 [book]
 authors = ["Ammar Bandukwala"]
 language = "en"
-multilingual = false
 src = "docs"
 title = "httpjail"
 description = "HTTP(S) Request Jailing: Control what your processes can request"

scripts/mdbook.sh

@@ -65,9 +65,15 @@ ensure_mdbook_mermaid() {
         exit 1
     fi
 
-    # Initialize mermaid support in the book
+}
+
+# Ensure mermaid assets (JS files) are present
+ensure_mermaid_assets() {
     cd "${PROJECT_ROOT}"
-    mdbook-mermaid install .
+    if [ ! -f "mermaid.min.js" ] || [ ! -f "mermaid-init.js" ]; then
+        log_info "Installing mermaid assets..."
+        mdbook-mermaid install .
+    fi
 }
 
 # Install mdbook-linkcheck if not present
@@ -94,6 +100,7 @@ main() {
     ensure_mdbook
     ensure_mdbook_mermaid
     ensure_mdbook_linkcheck
+    ensure_mermaid_assets
 
     log_info "All prerequisites satisfied"