Add Iced panel adapter and AI chat/script panels

- Implemented a theme system in `iced-panel-adapter` for consistent styling across panels.
- Created `iced-panel-ai-chat` for an AI assistant interface, including message handling and UI components.
- Developed `iced-panel-script` for a DSL editor with execution capabilities, allowing procedural drawing commands.
- Introduced message types for interaction in both chat and script panels.
- Added color and theme management for improved visual consistency.

Cargo.toml

@@ -29,6 +29,10 @@ members = [
     "hcie-egui-app/crates/egui-panel-ai-chat",
     "hcie-egui-app/crates/egui-panel-script",
     "hcie-egui-app/crates/egui-panel-ai-script",
+    "hcie-iced-app/crates/hcie-iced-gui",
+    "hcie-iced-app/crates/iced-panel-adapter",
+    "hcie-iced-app/crates/iced-panel-script",
+    "hcie-iced-app/crates/iced-panel-ai-chat",
     "tools/screenshot-diff",
     "tools/panel-tuner",
 ]
@@ -58,6 +62,7 @@ eframe      = { version = "0.34", default-features = false, features = ["default
 egui_extras = { version = "0.34", features = ["svg", "image"] }
 egui_dock   = { version = "0.19", features = ["serde"] }
 rfd         = "0.15"
+iced        = { version = "0.13", features = ["tokio", "image", "svg"] }
 
 # Utilities
 base64      = "0.22"