feat(server): Add Embedded HTTP Server & REST API, Systemd Service Manager, Multi-User Auth, Syslog, Crond, and Server Metrics

include/kernel/metrics.h

@@ -0,0 +1,25 @@
+#ifndef _KERNEL_METRICS_H
+#define _KERNEL_METRICS_H
+
+#include <stdint.h>
+#include <stddef.h>
+
+typedef struct system_metrics {
+    uint32_t cpu_user_pct;
+    uint32_t cpu_system_pct;
+    uint32_t cpu_idle_pct;
+    uint64_t mem_total_kb;
+    uint64_t mem_used_kb;
+    uint64_t mem_free_kb;
+    uint64_t net_rx_bytes;
+    uint64_t net_tx_bytes;
+    uint64_t net_rx_packets;
+    uint64_t net_tx_packets;
+    uint64_t disk_read_sectors;
+    uint64_t disk_written_sectors;
+} system_metrics_t;
+
+void metrics_init(void);
+void metrics_sample(system_metrics_t* out);
+
+#endif // _KERNEL_METRICS_H