docs(skeleton for gateway follower): initial napkin sketches

Author: cong-or

docs/src/architecture/.pages

@@ -12,4 +12,4 @@ nav:
   - 10_quality_requirements.md
   - 11_technical_risks.md
   - 12_glossary.md
-  - 13_follower.md
+

docs/src/architecture/08_concepts/gateway/mechanics.md

@@ -2,17 +2,44 @@
 icon: material/telescope
 ---
 
-# Gateway Follower
-
-
 ## Mechanics
 
 ```mermaid
-  graph TD;
-      A-->B;
-      A-->C;
-      B-->D;
-      C-->D;
+  stateDiagram-v2
+    state if_state <<choice>>
+    [*] --> Node
+    Node -->if_state
+    if_state --> !Config: config does not exist
+    if_state --> Config : config exists
+
+
+    note right of !Config
+            Orchestration is coordinated via the config
+        end note
+
+    state Node {
+        [*] --> init
+        init --> [*]
+    }
+    state Config {
+        [*] --> CheckDB
+        CheckDB --> Locked
+        Locked --> CheckDB
+        CheckDB --> Unlocked
+        Unlocked --> Lock
+        Lock --> UpdateDB
+        UpdateDB --> Unlocked
+       
+    }
+
+    state !Config {
+        [*] --> Sleep
+        Sleep --> CheckConfig
+        CheckConfig --> Sleep
+        CheckConfig --> ConfigExists
+        ConfigExists --> [*]        
+    }
+
 ```
 
 ## Bootstrap