chore: import local project into Gitea

include/security_manager.h

@@ -0,0 +1,45 @@
+/**
+ * Security Manager - Authentication and Access Control
+ * Handles Wi-Fi security, web authentication, and system security
+ */
+
+#ifndef SECURITY_MANAGER_H
+#define SECURITY_MANAGER_H
+
+#include "esp_err.h"
+#include <stdint.h>
+#include <stdbool.h>
+#include <freertos/FreeRTOS.h>
+#include <freertos/semphr.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+// Function prototypes
+esp_err_t security_manager_init(void);
+esp_err_t security_manager_deinit(void);
+
+// Authentication functions
+esp_err_t security_manager_authenticate(const char* username, const char* password, 
+                                       const char* ip_address, char* session_id, size_t session_id_size);
+
+// Password hashing functions
+esp_err_t security_manager_hash_password(const char* password, char* salt, size_t salt_size, 
+                                       char* hash, size_t hash_size);
+bool verify_password_hash(const char* password, const char* stored_hash);
+
+// Session management
+esp_err_t security_manager_validate_session(const char* session_id, char* username, size_t username_size);
+esp_err_t security_manager_logout(const char* session_id);
+esp_err_t security_manager_cleanup_expired_sessions(void);
+esp_err_t security_manager_get_active_sessions(int* count);
+
+// Configuration
+esp_err_t security_manager_is_authentication_required(bool* required);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // SECURITY_MANAGER_H