feat: refactor sgclaw around zeroclaw compat runtime

third_party/zeroclaw/firmware/esp32-ui/Cargo.toml

@@ -0,0 +1,46 @@
+[package]
+name = "esp32-ui"
+version = "0.1.0"
+edition = "2021"
+license = "MIT OR Apache-2.0"
+description = "ZeroClaw ESP32 UI firmware with Slint - Graphical interface for AI assistant"
+authors = ["ZeroClaw Team"]
+
+[dependencies]
+anyhow = "1.0"
+esp-idf-svc = "0.48"
+log = { version = "0.4", default-features = false }
+
+# Slint UI - MCU optimized
+slint = { version = "1.10", default-features = false, features = [
+    "compat-1-2",
+    "libm",
+    "renderer-software",
+] }
+
+[build-dependencies]
+embuild = { version = "0.31", features = ["elf"] }
+slint-build = "1.10"
+
+[features]
+default = ["std", "display-st7789"]
+std = ["esp-idf-svc/std"]
+
+# Display selection (choose one)
+display-st7789 = []  # 320x240 or 135x240
+display-ili9341 = [] # 320x240
+display-ssd1306 = [] # 128x64 OLED
+
+# Input
+touch-xpt2046 = []   # Resistive touch
+touch-ft6x36 = []    # Capacitive touch
+
+[profile.release]
+opt-level = "s"
+lto = true
+codegen-units = 1
+strip = true
+panic = "abort"
+
+[profile.dev]
+opt-level = "s"