Merge branch 'dev' of https://github.com/janhq/cortex.cpp into s/fix/bgr-tasks

Author: sangjanai

docs/docs/architecture/cortex-db.mdx

@@ -16,12 +16,12 @@ This document outlines Cortex database architecture which is designed to store a
 files and more.
 
 ## Table Structure
-### schema Table
-The `schema` table is designed to hold schema version for cortex database. Below is the structure of the table:
+### schema_version Table
+The `schema_version` table is designed to hold schema version for cortex database. Below is the structure of the table:
 
 | Column Name        | Data Type | Description                                             |
 |--------------------|-----------|---------------------------------------------------------|
-| schema_version     | INTEGER   | A unique schema version for database.                   |
+| version     | INTEGER   | A unique schema version for database.                   |
 
 
 ### models Table
@@ -64,10 +64,10 @@ Below is the structure of the table:
 | api_key      | TEXT      |  |
 | url          | TEXT      |  |
 | version      | TEXT      | The current version of the engine. |
-| variant      | TEXT      |  |
+| variant      | TEXT      | A string that specifies the specific configuration or build variant of the engine. |
 | status       | TEXT      | Current status of the engine (e.g., "downloaded", "downloadable"). |
 | metadata     | TEXT      | Additional metadata or information about the engine. |
-| date_ceated  | TEXT      | Date when the engine was downloaded. |
+| date_created  | TEXT      | Date when the engine was downloaded. |
 | date_updated | TEXT      | Date when the engine was last updated. |
 
 ### files Table
@@ -79,5 +79,5 @@ The `files` table is designed to hold metadata about objects dowloaded via Corte
 | object     | TEXT      | The type of hardware.            |
 | purpose    | TEXT      | Purpose of file                  |
 | filename   | TEXT      | The name of the file.            |
-| created_at | INTEGER   | Date when file was created       |
-| bytes      | INTEGER   |                                  |
+| created_at | INTEGER   | Date when file was created.       |
+| bytes      | INTEGER   | Size of the file on disk in bytes. |

engine/utils/hardware/ram_info.h

@@ -17,12 +17,12 @@ inline Memory GetMemoryInfo() {
   hwinfo::Memory m;
 #if defined(__APPLE__) && defined(__MACH__)
   int64_t total_memory = 0;
-  int64_t used_memory = 0;
+  int64_t avail_memory = 0;
 
   size_t length = sizeof(total_memory);
   sysctlbyname("hw.memsize", &total_memory, &length, NULL, 0);
 
-  // Get used memory (this is a rough estimate)
+  // Get avail memory (this is a rough estimate)
   vm_size_t page_size;
   mach_msg_type_number_t count = HOST_VM_INFO_COUNT;
 
@@ -31,12 +31,10 @@ inline Memory GetMemoryInfo() {
 
   if (host_statistics(mach_host_self(), HOST_VM_INFO, (host_info_t)&vm_stat,
                       &count) == KERN_SUCCESS) {
-    used_memory =
-        (vm_stat.active_count + vm_stat.inactive_count + vm_stat.wire_count) *
-        page_size;
+    avail_memory = (vm_stat.free_count + vm_stat.inactive_count) * page_size;
   }
   return Memory{.total_MiB = ByteToMiB(total_memory),
-                .available_MiB = ByteToMiB(total_memory - used_memory)};
+                .available_MiB = ByteToMiB(avail_memory)};
 #elif defined(__linux__) || defined(_WIN32)
   return Memory{.total_MiB = ByteToMiB(m.total_Bytes()),
                 .available_MiB = ByteToMiB(m.available_Bytes())};