diff --git a/drawings/request_center/.$general.drawio.bkp b/drawings/request_center/.$general.drawio.bkp
index ab72de9..70ad192 100644
--- a/drawings/request_center/.$general.drawio.bkp
+++ b/drawings/request_center/.$general.drawio.bkp
@@ -1,6 +1,6 @@
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+        <mxCell id="Jg48ax-xcy4LRs42lHkc-65" value="+ assgin_type: enum" style="text;strokeColor=none;fillColor=none;align=left;verticalAlign=top;spacingLeft=4;spacingRight=4;overflow=hidden;rotatable=0;points=[[0,0.5],[1,0.5]];portConstraint=eastwest;whiteSpace=wrap;html=1;" vertex="1" parent="6MixKwhiBb0wiFJ191Fe-40">
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@@ -109,62 +124,218 @@
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+        <mxCell id="Jg48ax-xcy4LRs42lHkc-24" value="+ field_type: enum" style="text;strokeColor=none;fillColor=none;align=left;verticalAlign=top;spacingLeft=4;spacingRight=4;overflow=hidden;rotatable=0;points=[[0,0.5],[1,0.5]];portConstraint=eastwest;whiteSpace=wrap;html=1;" vertex="1" parent="Jg48ax-xcy4LRs42lHkc-21">
+          <mxGeometry y="78" width="170" height="26" as="geometry" />
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+        <mxCell id="Jg48ax-xcy4LRs42lHkc-26" value="+ text: Text" style="text;strokeColor=none;fillColor=none;align=left;verticalAlign=top;spacingLeft=4;spacingRight=4;overflow=hidden;rotatable=0;points=[[0,0.5],[1,0.5]];portConstraint=eastwest;whiteSpace=wrap;html=1;" vertex="1" parent="Jg48ax-xcy4LRs42lHkc-21">
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+          <mxGeometry y="78" width="170" height="26" as="geometry" />
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+        <mxCell id="Jg48ax-xcy4LRs42lHkc-39" value="+ date_type: enum" style="text;strokeColor=none;fillColor=none;align=left;verticalAlign=top;spacingLeft=4;spacingRight=4;overflow=hidden;rotatable=0;points=[[0,0.5],[1,0.5]];portConstraint=eastwest;whiteSpace=wrap;html=1;" vertex="1" parent="Jg48ax-xcy4LRs42lHkc-27">
+          <mxGeometry y="104" width="170" height="26" as="geometry" />
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+        <mxCell id="Jg48ax-xcy4LRs42lHkc-31" value="+ text: Text" style="text;strokeColor=none;fillColor=none;align=left;verticalAlign=top;spacingLeft=4;spacingRight=4;overflow=hidden;rotatable=0;points=[[0,0.5],[1,0.5]];portConstraint=eastwest;whiteSpace=wrap;html=1;" vertex="1" parent="Jg48ax-xcy4LRs42lHkc-27">
+          <mxGeometry y="130" width="170" height="26" as="geometry" />
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+        <mxCell id="Jg48ax-xcy4LRs42lHkc-33" value="&amp;lt;&amp;lt;enumeration&amp;gt;&amp;gt;&lt;br&gt;&lt;b&gt;DateFieldType&lt;/b&gt;" style="swimlane;fontStyle=0;align=center;verticalAlign=top;childLayout=stackLayout;horizontal=1;startSize=40;horizontalStack=0;resizeParent=1;resizeParentMax=0;resizeLast=0;collapsible=0;marginBottom=0;html=1;whiteSpace=wrap;" vertex="1" parent="1">
+          <mxGeometry x="-2050" y="172" width="140" height="130" as="geometry" />
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+        <mxCell id="Jg48ax-xcy4LRs42lHkc-34" value="general" style="text;html=1;strokeColor=none;fillColor=none;align=left;verticalAlign=middle;spacingLeft=4;spacingRight=4;overflow=hidden;rotatable=0;points=[[0,0.5],[1,0.5]];portConstraint=eastwest;whiteSpace=wrap;" vertex="1" parent="Jg48ax-xcy4LRs42lHkc-33">
+          <mxGeometry y="40" width="140" height="30" as="geometry" />
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+        <mxCell id="Jg48ax-xcy4LRs42lHkc-35" value="execution" style="text;html=1;strokeColor=none;fillColor=none;align=left;verticalAlign=middle;spacingLeft=4;spacingRight=4;overflow=hidden;rotatable=0;points=[[0,0.5],[1,0.5]];portConstraint=eastwest;whiteSpace=wrap;" vertex="1" parent="Jg48ax-xcy4LRs42lHkc-33">
+          <mxGeometry y="70" width="140" height="30" as="geometry" />
+        </mxCell>
+        <mxCell id="Jg48ax-xcy4LRs42lHkc-36" value="expiration" style="text;html=1;strokeColor=none;fillColor=none;align=left;verticalAlign=middle;spacingLeft=4;spacingRight=4;overflow=hidden;rotatable=0;points=[[0,0.5],[1,0.5]];portConstraint=eastwest;whiteSpace=wrap;" vertex="1" parent="Jg48ax-xcy4LRs42lHkc-33">
+          <mxGeometry y="100" width="140" height="30" as="geometry" />
+        </mxCell>
+        <mxCell id="Jg48ax-xcy4LRs42lHkc-40" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;endArrow=open;endFill=0;" edge="1" parent="1" source="Jg48ax-xcy4LRs42lHkc-39" target="Jg48ax-xcy4LRs42lHkc-33">
+          <mxGeometry relative="1" as="geometry" />
+        </mxCell>
+        <mxCell id="Jg48ax-xcy4LRs42lHkc-48" value="&lt;b&gt;DevicesField(Field)&lt;/b&gt;" style="swimlane;fontStyle=0;childLayout=stackLayout;horizontal=1;startSize=26;fillColor=#dae8fc;horizontalStack=0;resizeParent=1;resizeParentMax=0;resizeLast=0;collapsible=1;marginBottom=0;whiteSpace=wrap;html=1;strokeColor=#6c8ebf;" vertex="1" parent="1">
+          <mxGeometry x="-1160" y="640" width="320" height="130" as="geometry" />
+        </mxCell>
+        <mxCell id="Jg48ax-xcy4LRs42lHkc-49" value="+ id: int" style="text;strokeColor=#82b366;fillColor=#d5e8d4;align=left;verticalAlign=top;spacingLeft=4;spacingRight=4;overflow=hidden;rotatable=0;points=[[0,0.5],[1,0.5]];portConstraint=eastwest;whiteSpace=wrap;html=1;" vertex="1" parent="Jg48ax-xcy4LRs42lHkc-48">
+          <mxGeometry y="26" width="320" height="26" as="geometry" />
+        </mxCell>
+        <mxCell id="Jg48ax-xcy4LRs42lHkc-50" value="+ step_id: int" style="text;strokeColor=#d79b00;fillColor=#ffe6cc;align=left;verticalAlign=top;spacingLeft=4;spacingRight=4;overflow=hidden;rotatable=0;points=[[0,0.5],[1,0.5]];portConstraint=eastwest;whiteSpace=wrap;html=1;" vertex="1" parent="Jg48ax-xcy4LRs42lHkc-48">
+          <mxGeometry y="52" width="320" height="26" as="geometry" />
+        </mxCell>
+        <mxCell id="Jg48ax-xcy4LRs42lHkc-51" value="+ devices_list: List[str] (Может быть int&#39;ы PK устройств)" style="text;strokeColor=none;fillColor=none;align=left;verticalAlign=top;spacingLeft=4;spacingRight=4;overflow=hidden;rotatable=0;points=[[0,0.5],[1,0.5]];portConstraint=eastwest;whiteSpace=wrap;html=1;" vertex="1" parent="Jg48ax-xcy4LRs42lHkc-48">
+          <mxGeometry y="78" width="320" height="26" as="geometry" />
+        </mxCell>
+        <mxCell id="Jg48ax-xcy4LRs42lHkc-52" value="+ choices: List[str] (или PK)" style="text;strokeColor=none;fillColor=none;align=left;verticalAlign=top;spacingLeft=4;spacingRight=4;overflow=hidden;rotatable=0;points=[[0,0.5],[1,0.5]];portConstraint=eastwest;whiteSpace=wrap;html=1;" vertex="1" parent="Jg48ax-xcy4LRs42lHkc-48">
+          <mxGeometry y="104" width="320" height="26" as="geometry" />
+        </mxCell>
+        <mxCell id="Jg48ax-xcy4LRs42lHkc-53" value="&lt;b&gt;FileField(Field)&lt;/b&gt;" style="swimlane;fontStyle=0;childLayout=stackLayout;horizontal=1;startSize=26;fillColor=#dae8fc;horizontalStack=0;resizeParent=1;resizeParentMax=0;resizeLast=0;collapsible=1;marginBottom=0;whiteSpace=wrap;html=1;strokeColor=#6c8ebf;" vertex="1" parent="1">
+          <mxGeometry x="-1320" y="150" width="170" height="130" as="geometry" />
+        </mxCell>
+        <mxCell id="Jg48ax-xcy4LRs42lHkc-54" value="+ id: int" style="text;strokeColor=#82b366;fillColor=#d5e8d4;align=left;verticalAlign=top;spacingLeft=4;spacingRight=4;overflow=hidden;rotatable=0;points=[[0,0.5],[1,0.5]];portConstraint=eastwest;whiteSpace=wrap;html=1;" vertex="1" parent="Jg48ax-xcy4LRs42lHkc-53">
+          <mxGeometry y="26" width="170" height="26" as="geometry" />
+        </mxCell>
+        <mxCell id="Jg48ax-xcy4LRs42lHkc-55" value="+ step_id: int" style="text;strokeColor=#d79b00;fillColor=#ffe6cc;align=left;verticalAlign=top;spacingLeft=4;spacingRight=4;overflow=hidden;rotatable=0;points=[[0,0.5],[1,0.5]];portConstraint=eastwest;whiteSpace=wrap;html=1;" vertex="1" parent="Jg48ax-xcy4LRs42lHkc-53">
+          <mxGeometry y="52" width="170" height="26" as="geometry" />
+        </mxCell>
+        <mxCell id="Jg48ax-xcy4LRs42lHkc-56" value="+ field_type: enum" style="text;strokeColor=none;fillColor=none;align=left;verticalAlign=top;spacingLeft=4;spacingRight=4;overflow=hidden;rotatable=0;points=[[0,0.5],[1,0.5]];portConstraint=eastwest;whiteSpace=wrap;html=1;" vertex="1" parent="Jg48ax-xcy4LRs42lHkc-53">
+          <mxGeometry y="78" width="170" height="26" as="geometry" />
+        </mxCell>
+        <mxCell id="Jg48ax-xcy4LRs42lHkc-57" value="+ file: File" style="text;strokeColor=none;fillColor=none;align=left;verticalAlign=top;spacingLeft=4;spacingRight=4;overflow=hidden;rotatable=0;points=[[0,0.5],[1,0.5]];portConstraint=eastwest;whiteSpace=wrap;html=1;" vertex="1" parent="Jg48ax-xcy4LRs42lHkc-53">
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+          <mxGeometry relative="1" as="geometry">
+            <mxPoint x="-1920" y="690" as="sourcePoint" />
+            <mxPoint x="-1530" y="470" as="targetPoint" />
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+        <mxCell id="Jg48ax-xcy4LRs42lHkc-61" style="rounded=0;orthogonalLoop=1;jettySize=auto;html=1;endArrow=block;endFill=0;dashed=1;dashPattern=8 8;" edge="1" parent="1" source="Jg48ax-xcy4LRs42lHkc-1" target="6MixKwhiBb0wiFJ191Fe-34">
+          <mxGeometry relative="1" as="geometry">
+            <mxPoint x="-1910" y="700" as="sourcePoint" />
+            <mxPoint x="-1520" y="480" as="targetPoint" />
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+        <mxCell id="Jg48ax-xcy4LRs42lHkc-62" style="rounded=0;orthogonalLoop=1;jettySize=auto;html=1;endArrow=block;endFill=0;dashed=1;dashPattern=8 8;" edge="1" parent="1" source="Jg48ax-xcy4LRs42lHkc-14" target="6MixKwhiBb0wiFJ191Fe-34">
+          <mxGeometry relative="1" as="geometry">
+            <mxPoint x="-1900" y="710" as="sourcePoint" />
+            <mxPoint x="-1510" y="490" as="targetPoint" />
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+        </mxCell>
+        <mxCell id="Jg48ax-xcy4LRs42lHkc-63" style="rounded=0;orthogonalLoop=1;jettySize=auto;html=1;endArrow=block;endFill=0;dashed=1;dashPattern=8 8;" edge="1" parent="1" source="Jg48ax-xcy4LRs42lHkc-48" target="6MixKwhiBb0wiFJ191Fe-34">
+          <mxGeometry relative="1" as="geometry">
+            <mxPoint x="-1890" y="720" as="sourcePoint" />
+            <mxPoint x="-1500" y="500" as="targetPoint" />
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+        <mxCell id="Jg48ax-xcy4LRs42lHkc-64" style="rounded=0;orthogonalLoop=1;jettySize=auto;html=1;endArrow=block;endFill=0;dashed=1;dashPattern=8 8;" edge="1" parent="1" source="Jg48ax-xcy4LRs42lHkc-53" target="6MixKwhiBb0wiFJ191Fe-34">
+          <mxGeometry relative="1" as="geometry">
+            <mxPoint x="-1880" y="730" as="sourcePoint" />
+            <mxPoint x="-1490" y="510" as="targetPoint" />
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+        </mxCell>
+        <mxCell id="Jg48ax-xcy4LRs42lHkc-69" value="&lt;b&gt;ResponsibleUser&lt;/b&gt;" style="swimlane;fontStyle=0;childLayout=stackLayout;horizontal=1;startSize=26;fillColor=#dae8fc;horizontalStack=0;resizeParent=1;resizeParentMax=0;resizeLast=0;collapsible=1;marginBottom=0;whiteSpace=wrap;html=1;strokeColor=#6c8ebf;" vertex="1" parent="1">
+          <mxGeometry x="600" y="440" width="170" height="156" as="geometry" />
+        </mxCell>
+        <mxCell id="Jg48ax-xcy4LRs42lHkc-70" value="+ id: int" style="text;strokeColor=#82b366;fillColor=#d5e8d4;align=left;verticalAlign=top;spacingLeft=4;spacingRight=4;overflow=hidden;rotatable=0;points=[[0,0.5],[1,0.5]];portConstraint=eastwest;whiteSpace=wrap;html=1;" vertex="1" parent="Jg48ax-xcy4LRs42lHkc-69">
+          <mxGeometry y="26" width="170" height="26" as="geometry" />
+        </mxCell>
+        <mxCell id="Jg48ax-xcy4LRs42lHkc-71" value="+ responsible_id: int" style="text;strokeColor=#d79b00;fillColor=#ffe6cc;align=left;verticalAlign=top;spacingLeft=4;spacingRight=4;overflow=hidden;rotatable=0;points=[[0,0.5],[1,0.5]];portConstraint=eastwest;whiteSpace=wrap;html=1;" vertex="1" parent="Jg48ax-xcy4LRs42lHkc-69">
+          <mxGeometry y="52" width="170" height="26" as="geometry" />
+        </mxCell>
+        <mxCell id="Jg48ax-xcy4LRs42lHkc-72" value="user_pk: in" style="text;strokeColor=none;fillColor=none;align=left;verticalAlign=top;spacingLeft=4;spacingRight=4;overflow=hidden;rotatable=0;points=[[0,0.5],[1,0.5]];portConstraint=eastwest;whiteSpace=wrap;html=1;" vertex="1" parent="Jg48ax-xcy4LRs42lHkc-69">
+          <mxGeometry y="78" width="170" height="26" as="geometry" />
+        </mxCell>
+        <mxCell id="Jg48ax-xcy4LRs42lHkc-73" value="+ is_parallel: bool" style="text;strokeColor=none;fillColor=none;align=left;verticalAlign=top;spacingLeft=4;spacingRight=4;overflow=hidden;rotatable=0;points=[[0,0.5],[1,0.5]];portConstraint=eastwest;whiteSpace=wrap;html=1;" vertex="1" parent="Jg48ax-xcy4LRs42lHkc-69">
+          <mxGeometry y="104" width="170" height="26" as="geometry" />
+        </mxCell>
+        <mxCell id="Jg48ax-xcy4LRs42lHkc-74" value="+ assigned_users: List[int]" style="text;strokeColor=none;fillColor=none;align=left;verticalAlign=top;spacingLeft=4;spacingRight=4;overflow=hidden;rotatable=0;points=[[0,0.5],[1,0.5]];portConstraint=eastwest;whiteSpace=wrap;html=1;" vertex="1" parent="Jg48ax-xcy4LRs42lHkc-69">
+          <mxGeometry y="130" width="170" height="26" as="geometry" />
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       </root>
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diff --git a/drawings/request_center/general.drawio b/drawings/request_center/general.drawio
index 690dd11..820bb01 100644
--- a/drawings/request_center/general.drawio
+++ b/drawings/request_center/general.drawio
@@ -1,11 +1,11 @@
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