nodebox · fdb · Feb 15, 2026 · Feb 16, 2026 · Feb 16, 2026 · Feb 16, 2026
diff --git a/.gitignore b/.gitignore
@@ -23,3 +23,6 @@ lib/cachedir
 
 # Secrets
 .env
+
+# Playwright
+.playwright-mcp/
diff --git a/AGENTS.md b/AGENTS.md
diff --git a/Cargo.lock b/Cargo.lock
diff --git a/Cargo.toml b/Cargo.toml
@@ -17,15 +17,19 @@ resolver = "2"
 members = [
     ".",
     "crates/nodebox-core",
+    "crates/nodebox-eval",
     "crates/nodebox-desktop",
+    "crates/nodebox-electron",
     "crates/nodebox-python",
 ]
 
-# Default members exclude nodebox-python (requires Python development libraries).
-# To build it: cargo build -p nodebox-python
+# Default members exclude nodebox-python (requires Python development libraries)
+# and nodebox-electron (requires wasm32 target).
+# To build them: cargo build -p nodebox-python / wasm-pack build crates/nodebox-electron
 default-members = [
     ".",
     "crates/nodebox-core",
+    "crates/nodebox-eval",
     "crates/nodebox-desktop",
 ]
 

diff --git a/crates/nodebox-core/Cargo.toml b/crates/nodebox-core/Cargo.toml
@@ -7,16 +7,25 @@ license.workspace = true
 repository.workspace = true
 authors.workspace = true
 
+[features]
+default = ["system-fonts", "parallel"]
+system-fonts = ["dep:font-kit", "dep:pathfinder_geometry"]
+parallel = ["dep:rayon"]
+serde = ["dep:serde"]
+
 [dependencies]
 uuid = { workspace = true }
-font-kit = { workspace = true }
-pathfinder_geometry = { workspace = true }
+font-kit = { workspace = true, optional = true }
+pathfinder_geometry = { workspace = true, optional = true }
 
 # From nodebox-ops
-rayon = "1.10"
+rayon = { version = "1.10", optional = true }
 usvg = "0.42"
 csv = "1"
 
+# For WASM-compatible text-to-path
+ttf-parser = "0.24"
+
 # From nodebox-ndbx
 quick-xml = { workspace = true }
 
@@ -26,6 +35,9 @@ thiserror = { workspace = true }
 # From nodebox-port
 log = "0.4"
 
+# Optional serde support
+serde = { version = "1", features = ["derive"], optional = true }
+
 [[bench]]
 name = "clone_library"
 harness = false

diff --git a/crates/nodebox-core/resources/Inter.ttf b/crates/nodebox-core/resources/Inter.ttf
diff --git a/crates/nodebox-core/src/geometry/canvas.rs b/crates/nodebox-core/src/geometry/canvas.rs
@@ -6,6 +6,7 @@ use super::{Grob, Geometry, Color, Rect, Point};
 ///
 /// Canvases can be nested, and are the top-level container for visual output.
 #[derive(Clone, Debug, PartialEq)]
+#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
 pub struct Canvas {
     /// Canvas width.
     pub width: f64,

diff --git a/crates/nodebox-core/src/geometry/color.rs b/crates/nodebox-core/src/geometry/color.rs
@@ -17,6 +17,7 @@ use std::str::FromStr;
 /// let gray = Color::gray(0.5);
 /// ```
 #[derive(Clone, Copy, Debug, PartialEq)]
+#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
 pub struct Color {
     /// Red component (0.0 to 1.0)
     pub r: f64,

diff --git a/crates/nodebox-core/src/geometry/contour.rs b/crates/nodebox-core/src/geometry/contour.rs
@@ -25,6 +25,7 @@ use super::{PathPoint, Point, PointType, Transform, Rect};
 /// contour.close();
 /// ```
 #[derive(Clone, Debug, Default, PartialEq)]
+#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
 pub struct Contour {
     /// The points in this contour.
     pub points: Vec<PathPoint>,