feat: add standalone client with FIFO command interface

Makefile

@@ -0,0 +1,22 @@
+# Top‑level Makefile – delegates build/clean/test to subdirectories
+
+SUBDIRS = engine client
+
+.PHONY: all build clean test $(SUBDIRS)
+
+all: build
+
+build: $(SUBDIRS)
+	@echo "Build complete."
+
+$(SUBDIRS):
+	$(MAKE) -C $@
+
+test:
+	$(MAKE) -C engine test
+
+clean:
+	@for dir in $(SUBDIRS); do \
+	    echo "Cleaning $$dir..."; \
+	    $(MAKE) -C $$dir clean; \
+	done

client/main.c

@@ -0,0 +1,8 @@
+#include "tui.h"
+
+int main(void) {
+    tui_init();
+    tui_run();
+    tui_cleanup();
+    return 0;
+}

client/makefile

@@ -0,0 +1,10 @@
+CC ?= gcc
+CFLAGS ?= -Wall -Wextra -g -Isrc
+LDFLAGS ?= -lncurses -lm
+
+looper-client: src/tui.c main.c
+	$(CC) $(CFLAGS) -o $@ $^ $(LDFLAGS)
+
+.PHONY: clean
+clean:
+	rm -f looper-client

client/src/tui.h

@@ -1,18 +1,8 @@
 #ifndef TUI_H
 #define TUI_H
 
-#include "engine.h"
-#include "dispatcher.h"
-
-#define NUM_GRIDS 8
-
-// Initialize TUI
-void tui_init(Engine *engine);
-
-// Run the TUI main loop
-void tui_run(Engine *engine);
-
-// Cleanup TUI
+void tui_init(void);
+void tui_run(void);
 void tui_cleanup(void);
 
-#endif // TUI_H
+#endif