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

include/net/http.h

@@ -0,0 +1,39 @@
+#ifndef _NET_HTTP_H
+#define _NET_HTTP_H
+
+#include <stdint.h>
+#include <stddef.h>
+#include <stdbool.h>
+
+#define HTTP_PORT 80
+#define HTTP_MAX_PAYLOAD 2048
+
+typedef struct http_request {
+    char method[8];      // GET, POST, HEAD
+    char path[128];      // /index.html, /api/status
+    char version[16];   // HTTP/1.1
+    char user_agent[64];
+    uint32_t content_length;
+    char body[HTTP_MAX_PAYLOAD];
+} http_request_t;
+
+typedef struct http_response {
+    int status_code;     // 200, 404, 500
+    char content_type[32]; // text/html, application/json, text/plain
+    char body[HTTP_MAX_PAYLOAD];
+    size_t body_len;
+} http_response_t;
+
+void httpd_init(void);
+int  httpd_start(uint16_t port);
+int  httpd_stop(void);
+bool httpd_is_running(void);
+uint32_t httpd_get_requests_served(void);
+
+// Process a raw HTTP request and generate HTTP response
+int httpd_handle_request(const char* raw_request, char* raw_response, size_t max_resp_len);
+
+// Client operations
+int http_client_get(const char* url, char* response_buf, size_t max_len);
+
+#endif // _NET_HTTP_H