diff --git a/ydb/docs/en/core/reference/ydb-sdk/_assets/hc_cards_hierarchy.graphml b/ydb/docs/en/core/reference/ydb-sdk/_assets/hc_cards_hierarchy.graphml
new file mode 100644
index 000000000000..fcf544534c58
--- /dev/null
+++ b/ydb/docs/en/core/reference/ydb-sdk/_assets/hc_cards_hierarchy.graphml
@@ -0,0 +1,345 @@
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+ id: "RED-27c3-70fb"
+
+
+
+
+
+
+
+
+
+
+ status: "RED"
+
+
+
+
+
+
+
+
+
+
+ location:
+ database:
+ name: "/amy/orders"
+
+
+
+
+
+
+
+
+
+
+ reason: "RED-27c3-4e47",
+ "RED-27c3-53b5",
+ "YELLOW-27c3-5321"
+
+
+
+
+
+
+
+
+
+
+ type: "DATABASE"
+
+
+
+
+
+
+
+
+
+
+ level: 1
+
+
+
+
+
+
+
+
+
+
+ message: "Database
+has multiple issues"
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+ id: "RED-27c3-4e47"
+
+
+
+
+
+
+
+
+
+
+ status: "RED"
+
+
+
+
+
+
+
+
+
+
+ location:
+ database:
+ name: "/amy/orders"
+
+
+
+
+
+
+
+
+
+
+ reason:
+"RED-27c3-c138"
+
+
+
+
+
+
+
+
+
+
+ type: "COMPUTE"
+
+
+
+
+
+
+
+
+
+
+ level: 2
+
+
+
+
+
+
+
+
+
+
+ message: "Compute has
+issues with system
+tablets"
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+ id: "YELLOW-27c3-5321"
+
+
+
+
+
+
+
+
+
+
+ status: "YELLOW"
+
+
+
+
+
+
+
+
+
+
+ location:
+ database:
+ name: "/amy/orders"
+
+
+
+
+
+
+
+
+
+
+ reason:
+"YELLOW-27c3-595f-8d1d"
+
+
+
+
+
+
+
+
+
+
+ type: "STORAGE"
+
+
+
+
+
+
+
+
+
+
+ level: 2
+
+
+
+
+
+
+
+
+
+
+ message: "Storage
+degraded"
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
diff --git a/ydb/docs/en/core/reference/ydb-sdk/_assets/hc_types_hierarchy.graphml b/ydb/docs/en/core/reference/ydb-sdk/_assets/hc_types_hierarchy.graphml
new file mode 100644
index 000000000000..68ac69c1acfb
--- /dev/null
+++ b/ydb/docs/en/core/reference/ydb-sdk/_assets/hc_types_hierarchy.graphml
@@ -0,0 +1,498 @@
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+ Issue levels hierarchy
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+ DATABASE
+
+
+
+
+
+
+
+
+
+
+ STORAGE
+
+
+
+
+
+
+
+
+
+
+ STORAGE_POOL
+
+
+
+
+
+
+
+
+
+
+ STORAGE_GROUP
+
+
+
+
+
+
+
+
+
+
+ VDISK
+
+
+
+
+
+
+
+
+
+
+ PDISK
+
+
+
+
+
+
+
+
+
+
+ STORAGE_NODE
+
+
+
+
+
+
+
+
+
+
+ COMPUTE
+
+
+
+
+
+
+
+
+
+
+ COMPUTE_POOL
+
+
+
+
+
+
+
+
+
+
+ COMPUTE_QUOTA
+
+
+
+
+
+
+
+
+
+
+ COMPUTE_NODE
+
+
+
+
+
+
+
+
+
+
+ SYSTEM_TABLET
+
+
+
+
+
+
+
+
+
+
+ LOAD_AVERAGE
+
+
+
+
+
+
+
+
+
+
+ NODE_UPTIME
+
+
+
+
+
+
+
+
+
+
+ TABLET
+
+
+
+
+
+
+
+
+
+
+ NODES_TIME_DIFFERENCE
+
+
+
+
+
+
+
+
+
+
+ level 1
+
+
+
+
+
+
+
+
+
+
+ level 2
+
+
+
+
+
+
+
+
+
+
+ level 3
+
+
+
+
+
+
+
+
+
+
+ level 4
+
+
+
+
+
+
+
+
+
+
+ level 5
+
+
+
+
+
+
+
+
+
+
+ level 6
+
+
+
+
+
+
+
+
+
+
+ level 7
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
diff --git a/ydb/docs/ru/core/reference/ydb-sdk/_assets/hc_cards_hierarchy.graphml b/ydb/docs/ru/core/reference/ydb-sdk/_assets/hc_cards_hierarchy.graphml
new file mode 100644
index 000000000000..fcf544534c58
--- /dev/null
+++ b/ydb/docs/ru/core/reference/ydb-sdk/_assets/hc_cards_hierarchy.graphml
@@ -0,0 +1,345 @@
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+ id: "RED-27c3-70fb"
+
+
+
+
+
+
+
+
+
+
+ status: "RED"
+
+
+
+
+
+
+
+
+
+
+ location:
+ database:
+ name: "/amy/orders"
+
+
+
+
+
+
+
+
+
+
+ reason: "RED-27c3-4e47",
+ "RED-27c3-53b5",
+ "YELLOW-27c3-5321"
+
+
+
+
+
+
+
+
+
+
+ type: "DATABASE"
+
+
+
+
+
+
+
+
+
+
+ level: 1
+
+
+
+
+
+
+
+
+
+
+ message: "Database
+has multiple issues"
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+ id: "RED-27c3-4e47"
+
+
+
+
+
+
+
+
+
+
+ status: "RED"
+
+
+
+
+
+
+
+
+
+
+ location:
+ database:
+ name: "/amy/orders"
+
+
+
+
+
+
+
+
+
+
+ reason:
+"RED-27c3-c138"
+
+
+
+
+
+
+
+
+
+
+ type: "COMPUTE"
+
+
+
+
+
+
+
+
+
+
+ level: 2
+
+
+
+
+
+
+
+
+
+
+ message: "Compute has
+issues with system
+tablets"
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+ id: "YELLOW-27c3-5321"
+
+
+
+
+
+
+
+
+
+
+ status: "YELLOW"
+
+
+
+
+
+
+
+
+
+
+ location:
+ database:
+ name: "/amy/orders"
+
+
+
+
+
+
+
+
+
+
+ reason:
+"YELLOW-27c3-595f-8d1d"
+
+
+
+
+
+
+
+
+
+
+ type: "STORAGE"
+
+
+
+
+
+
+
+
+
+
+ level: 2
+
+
+
+
+
+
+
+
+
+
+ message: "Storage
+degraded"
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
diff --git a/ydb/docs/ru/core/reference/ydb-sdk/_assets/hc_types_hierarchy.graphml b/ydb/docs/ru/core/reference/ydb-sdk/_assets/hc_types_hierarchy.graphml
new file mode 100644
index 000000000000..68ac69c1acfb
--- /dev/null
+++ b/ydb/docs/ru/core/reference/ydb-sdk/_assets/hc_types_hierarchy.graphml
@@ -0,0 +1,498 @@
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+ Issue levels hierarchy
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+ DATABASE
+
+
+
+
+
+
+
+
+
+
+ STORAGE
+
+
+
+
+
+
+
+
+
+
+ STORAGE_POOL
+
+
+
+
+
+
+
+
+
+
+ STORAGE_GROUP
+
+
+
+
+
+
+
+
+
+
+ VDISK
+
+
+
+
+
+
+
+
+
+
+ PDISK
+
+
+
+
+
+
+
+
+
+
+ STORAGE_NODE
+
+
+
+
+
+
+
+
+
+
+ COMPUTE
+
+
+
+
+
+
+
+
+
+
+ COMPUTE_POOL
+
+
+
+
+
+
+
+
+
+
+ COMPUTE_QUOTA
+
+
+
+
+
+
+
+
+
+
+ COMPUTE_NODE
+
+
+
+
+
+
+
+
+
+
+ SYSTEM_TABLET
+
+
+
+
+
+
+
+
+
+
+ LOAD_AVERAGE
+
+
+
+
+
+
+
+
+
+
+ NODE_UPTIME
+
+
+
+
+
+
+
+
+
+
+ TABLET
+
+
+
+
+
+
+
+
+
+
+ NODES_TIME_DIFFERENCE
+
+
+
+
+
+
+
+
+
+
+ level 1
+
+
+
+
+
+
+
+
+
+
+ level 2
+
+
+
+
+
+
+
+
+
+
+ level 3
+
+
+
+
+
+
+
+
+
+
+ level 4
+
+
+
+
+
+
+
+
+
+
+ level 5
+
+
+
+
+
+
+
+
+
+
+ level 6
+
+
+
+
+
+
+
+
+
+
+ level 7
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
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+
+
+
+
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+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
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+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+