adding mac support mainly

Makefile

@@ -1,16 +1,29 @@
 BINARY        := streamdeck-go
 HELPER        := streamdeck-helper
 PREFIX        ?= $(HOME)/.local
-BIN_DIR       := $(PREFIX)/bin
-SYS_BIN       := /usr/local/bin
 CONFIG_DIR    := $(HOME)/.config/streamdeck-go
-SYSTEMD_USER  := $(HOME)/.config/systemd/user
-SYSTEMD_SYS   := /etc/systemd/system
-ETC_DIR       := /etc/streamdeck-go
-UDEV_RULE     := /etc/udev/rules.d/99-streamdeck.rules
 GROUP         := streamdeck
 
-.PHONY: build build-helper install install-helper uninstall udev
+# ── OS detection ──────────────────────────────────────────────────────────────
+OS := $(shell uname -s)
+
+ifeq ($(OS),Darwin)
+  BIN_DIR        := $(HOME)/go/bin
+  ETC_DIR        := /usr/local/etc/streamdeck-go
+  LAUNCHAGENTS   := $(HOME)/Library/LaunchAgents
+  LAUNCHDAEMONS  := /Library/LaunchDaemons
+  AGENT_PLIST    := $(LAUNCHAGENTS)/com.woodarddigital.streamdeck-go.plist
+  DAEMON_PLIST   := $(LAUNCHDAEMONS)/com.woodarddigital.streamdeck-go-helper.plist
+else
+  BIN_DIR        := $(PREFIX)/bin
+  SYS_BIN        := /usr/local/bin
+  ETC_DIR        := /etc/streamdeck-go
+  SYSTEMD_USER   := $(HOME)/.config/systemd/user
+  SYSTEMD_SYS    := /etc/systemd/system
+  UDEV_RULE      := /etc/udev/rules.d/99-streamdeck.rules
+endif
+
+.PHONY: build build-helper install install-helper uninstall uninstall-helper udev
 
 # ── Build ─────────────────────────────────────────────────────────────────────
 
@@ -22,25 +35,37 @@ build-helper:
 
 # ── Install ───────────────────────────────────────────────────────────────────
 
-# Interactive install — prompts for dotfiles directory, creates symlink,
-# installs binary + udev rule + systemd user service.
+# Interactive install — prompts for dotfiles directory, installs binary + service.
 install:
 	@bash install.sh
 
 # Install the privileged helper (requires sudo).
-# Creates a 'streamdeck' group, adds the current user to it, installs the
-# helper binary as root, and enables it as a system service.
+ifeq ($(OS),Darwin)
+# On macOS there is no root daemon — privileged commands run via osascript (admin
+# auth dialog). install-helper just drops the whitelist into the user config dir.
+install-helper:
+	mkdir -p $(CONFIG_DIR)
+	@if [ ! -f $(CONFIG_DIR)/privileged.yaml ]; then \
+		install -m 644 config/privileged.example.yaml $(CONFIG_DIR)/privileged.yaml; \
+		echo "Whitelist written to $(CONFIG_DIR)/privileged.yaml"; \
+	else \
+		echo "Whitelist already exists — not overwriting"; \
+	fi
+	@echo ""
+	@echo "Edit $(CONFIG_DIR)/privileged.yaml to add priv: commands."
+	@echo "No sudo or daemon required — macOS will prompt for admin auth on use."
+else
 install-helper: build-helper
-	# Create group and add current user.
+	# Create group and add current user (Linux).
 	@if ! getent group $(GROUP) > /dev/null; then \
 		sudo groupadd $(GROUP); \
 		echo "Created group '$(GROUP)'"; \
 	fi
 	sudo usermod -aG $(GROUP) $(USER)
-	# Install helper binary (owned root, not world-executable by others).
+	# Install helper binary (owned root, not world-executable).
 	sudo install -Dm750 $(HELPER) $(SYS_BIN)/$(HELPER)
 	sudo chown root:$(GROUP) $(SYS_BIN)/$(HELPER)
-	# Install whitelist config (root-owned, not world-writable).
+	# Install whitelist config.
 	sudo mkdir -p $(ETC_DIR)
 	@if [ ! -f $(ETC_DIR)/privileged.yaml ]; then \
 		sudo install -Dm640 config/privileged.example.yaml $(ETC_DIR)/privileged.yaml; \
@@ -57,8 +82,13 @@ install-helper: build-helper
 	@echo "Helper installed. Edit $(ETC_DIR)/privileged.yaml (as root) to add commands."
 	@echo "NOTE: log out and back in for group membership to take effect,"
 	@echo "      or run: newgrp $(GROUP)"
+endif
 
+# udev: Linux-only device permission rule.
 udev:
+ifeq ($(OS),Darwin)
+	@echo "udev is Linux-only — not needed on macOS (IOKit grants HID access directly)."
+else
 	@if [ ! -f $(UDEV_RULE) ]; then \
 		echo 'KERNEL=="hidraw*", ATTRS{idVendor}=="0fd9", MODE="0666"' \
 			| sudo tee $(UDEV_RULE); \
@@ -68,9 +98,21 @@ udev:
 	else \
 		echo "udev rule already exists."; \
 	fi
+endif
 
 # ── Uninstall ─────────────────────────────────────────────────────────────────
 
+ifeq ($(OS),Darwin)
+uninstall:
+	launchctl unload $(AGENT_PLIST) 2>/dev/null || true
+	rm -f $(AGENT_PLIST)
+	rm -f $(BIN_DIR)/$(BINARY)
+	@echo "Uninstalled. Config at $(CONFIG_DIR) preserved."
+
+uninstall-helper:
+	@echo "No helper daemon on macOS — nothing to uninstall."
+	@echo "Whitelist at $(CONFIG_DIR)/privileged.yaml preserved."
+else
 uninstall:
 	systemctl --user disable --now streamdeck-go.service || true
 	rm -f $(BIN_DIR)/$(BINARY)
@@ -84,3 +126,4 @@ uninstall-helper:
 	sudo rm -f $(SYSTEMD_SYS)/streamdeck-go-helper.service
 	sudo systemctl daemon-reload
 	@echo "Helper uninstalled. Whitelist at $(ETC_DIR)/privileged.yaml preserved."
+endif