Align docs with ESP32-S3 dashboard architecture

README.md

@@ -34,15 +34,15 @@ Current controller:
 
 - ESP32 2-relay board
 
-Planned dashboard:
+Primary dashboard target:
 
-- Raspberry Pi Pico 2 W
-- Touchscreen display
-- UART connection to ESP32
+- Waveshare ESP32-S3-Touch-LCD-5
+- WiFi client to the Cargo ESP32 access point
+- HTTP API integration
 
 Optional future expansion:
 
-- Pi Zero 2 W for advanced logging/charts/web app
+- Pi Zero for long-term logging, charts, and local integrations
 
 ## WebUI
 
@@ -68,22 +68,26 @@ The Config tab is the preferred initial setup workflow.
 
 The ESP32 is the source of truth.
 
-The Pico dashboard will be an instant-on physical display and control surface.
+The Waveshare ESP32-S3 dashboard is a client-only local display and control surface.
 
 The WebUI is used for setup, configuration, and phone access from camp.
 
+A future Pi Zero may be added for long-term logging or richer local integrations, but it must not become required for core control.
+
 ## Documentation
 
 Important docs:
 
 - `docs/project-state.md`
-- `docs/api.md`
+- `docs/API.md`
+- `docs/ARCHITECTURE.md`
+- `docs/HARDWARE.md`
 - `docs/UART_PROTOCOL.md`
 - `docs/SERIAL_COMMANDS.md`
 - `docs/PARITY_MATRIX.md`
 - `docs/wiring.md`
 - `docs/TEMP_SETUP.md`
-- `docs/roadmap.md`
+- `docs/ROADMAP.md`
 - `docs/CHANGELOG.md`
 
 ## Safety
@@ -99,4 +103,4 @@ Use:
 - Strain relief
 - Testing before connecting expensive loads
 
-Do not connect vehicle 12V directly to ESP32 or Pico GPIO pins.
+Do not connect vehicle 12V directly to ESP32 GPIO pins or dashboard GPIO pins.