feat: establish the bounded production architecture

test/host/Makefile

@@ -0,0 +1,13 @@
+CC ?= cc
+CFLAGS ?= -std=c11 -Wall -Wextra -Werror -I../../include
+
+all: test_command_queue
+
+test_command_queue: test_command_queue.c ../../src/command_queue.c ../../src/application.c
+	$(CC) $(CFLAGS) $^ -o $@
+
+run: test_command_queue
+	./test_command_queue
+
+clean:
+	rm -f test_command_queue

test/host/test_command_queue.c

@@ -0,0 +1,24 @@
+#include <assert.h>
+#include <stdio.h>
+#include <string.h>
+
+#include "command_queue.h"
+
+int main(void) {
+  command_queue_t queue = {0};
+  app_command_t input = {.type = COMMAND_SHOT, .session_index = 1, .game_id = 7, .version = 3, .coordinate = {4, 5}};
+  app_command_t output = {0};
+  assert(!command_queue_pop(&queue, &output));
+  for (int index = 0; index < kCommandQueueCapacity; ++index) {
+    input.coordinate.x = (uint8_t)index;
+    assert(command_queue_push(&queue, &input));
+  }
+  assert(!command_queue_push(&queue, &input));
+  for (int index = 0; index < kCommandQueueCapacity; ++index) {
+    assert(command_queue_pop(&queue, &output));
+    assert(output.coordinate.x == (uint8_t)index);
+  }
+  assert(!command_queue_pop(&queue, &output));
+  puts("command queue tests passed");
+  return 0;
+}