Initial commit: agcanvas - interactive canvas for agent-human collaboration

- SVG paste from Figma with structure parsing (usvg)
- Element tree representation (groups, rects, paths, text, images)
- Canvas rendering with pan/zoom (egui + resvg + tiny-skia)
- WebSocket agent protocol on port 9876
- Semantic description generation
- Code generation stubs (React, HTML, Tailwind, Svelte, Vue)
- Cross-platform Rust implementation

Cargo.toml

@@ -0,0 +1,51 @@
+[package]
+name = "agcanvas"
+version = "0.1.0"
+edition = "2021"
+description = "Interactive canvas for agent-human collaboration with SVG support"
+license = "MIT"
+
+[dependencies]
+# GUI
+eframe = { version = "0.29", default-features = false, features = [
+    "default_fonts",
+    "glow",
+    "persistence",
+] }
+egui = "0.29"
+egui_extras = { version = "0.29", features = ["image"] }
+
+# SVG parsing and rendering
+usvg = "0.44"
+resvg = "0.44"
+tiny-skia = "0.11"
+
+# Clipboard
+arboard = "3.4"
+
+# Serialization (for agent protocol)
+serde = { version = "1.0", features = ["derive"] }
+serde_json = "1.0"
+
+# Agent communication
+tokio = { version = "1.0", features = ["rt-multi-thread", "sync", "macros"] }
+tokio-tungstenite = "0.24"
+futures-util = "0.3"
+
+# Logging
+tracing = "0.1"
+tracing-subscriber = { version = "0.3", features = ["env-filter"] }
+
+# Error handling
+anyhow = "1.0"
+thiserror = "1.0"
+
+# Image handling for texture conversion
+image = { version = "0.25", default-features = false, features = ["png"] }
+
+[profile.release]
+opt-level = 3
+lto = true
+
+[profile.dev]
+opt-level = 1