wip schema: arrows between containers

docs/logstream-schema-logique.excalidraw

@@ -1255,11 +1255,11 @@
      0
     ],
     [
-     85,
+     72,
      0
     ],
     [
-     85,
+     72,
      -360
     ],
     [
@@ -1293,8 +1293,8 @@
   {
    "id": "a_hv_lbl",
    "type": "text",
-   "x": 1217.7,
+   "x": 1204.7,
-   "y": 506.25,
+   "y": 551.25,
    "width": 34.6,
    "height": 17.5,
    "angle": 0,
@@ -2765,12 +2765,12 @@
      0
     ],
     [
-     60,
+     55,
-     0.0
+     0
     ],
     [
-     60,
+     55,
-     -250.0
+     -250
     ],
     [
      120,
@@ -2803,7 +2803,7 @@
   {
    "id": "a_q_lbl",
    "type": "text",
-   "x": 1175.5,
+   "x": 1170.5,
    "y": 431.25,
    "width": 49,
    "height": 17.5,