fix: load system fonts for SVG to PNG rendering

Author: JheisonMB

Cargo.lock

@@ -47,6 +47,7 @@ notify = { version = "7", features = ["macos_fsevent"] }
 # Mermaid diagram rendering
 mermaid-rs-renderer = { version = "0.2", default-features = false }
 resvg = "0.46"
+fontdb = "0.20"
 
 # Graphviz/DOT diagram rendering
 layout-rs = "0.1"

Cargo.toml

@@ -19,6 +19,19 @@
 
 Self-contained LaTeX to PDF compiler — one curl, zero friction. No TeX Live, no MiKTeX, no Perl, no Node. A single install sets up everything you need.
 
+---
+
+### Demos
+
+#### Uso básico del CLI
+
+![Demo CLI](assets/texforge.gif)
+
+#### Integración con agentes en OpenCode
+
+![Demo OpenCode](assets/opencode.gif)
+
+
 ---
 
 ## Installation

README.md

@@ -214,7 +214,13 @@ fn resolve_tex(root: &Path, input: &str) -> PathBuf {
 
 /// Convert SVG string to PNG bytes at 2x scale for print quality.
 fn svg_to_png(svg: &str) -> Result<Vec<u8>> {
-    let options = resvg::usvg::Options::default();
+    let mut options = resvg::usvg::Options::default();
+    
+    // Load system fonts for text rendering
+    let mut fontdb = resvg::usvg::fontdb::Database::new();
+    fontdb.load_system_fonts();
+    options.fontdb = std::sync::Arc::new(fontdb);
+    
     let tree = resvg::usvg::Tree::from_str(svg, &options).context("Failed to parse SVG")?;
 
     let scale = 2.0_f32;