[P] Update diagram to reflect projet usecase

diagrams/general-sequence.puml

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+@startuml
+actor Worker as worker
+participant Agent as agent
+participant "Edge" as edge
+participant "Hub" as hub
+participant "Store" as store
+participant "MapView" as mapview
+actor Spectator as spectator
+
+worker -> agent : Start agent
+agent -> edge : Send sensor data
+edge -> edge : Classify road state
+edge -> hub : Send processed data
+hub -> hub : Save processed data
+hub -> store : Send processed data batch
+store -> store : Save processed data batch
+store -> mapview : Send new rows
+mapview -> spectator : Show updated paths and markers
+spectator -> mapview : Click on markers
+mapview -> spectator : Hide clicked markers
+mapview -> store : Save display preference
+@enduml

diagrams/main-activity-diagram.puml

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+@startuml
+|Користувач|
+start
+:Натискає на іконку ями;
+|Система|
+:Запитує підтвердження видалення ями;
+|Користувач|
+:Підтверджує видалення ями;
+|Система|
+:Модифікує запис про яму;
+note right #ff9999: Можлива виключна ситуація 1
+:Видаляє яму;
+|Користувач|
+stop
+@enduml

diagrams/use-case.puml

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+@startuml
+rectangle IoT-Systems {
+  usecase "Collect telemetry (accelerometer + GPS)" as uc1
+  usecase "Send telemetry" as uc2
+  usecase "Process telemetry" as uc3
+  usecase "Determine road condition (pothole / bump /\nnormal)" as uc4
+  usecase "View road defect marks" as uc5
+  usecase "View route on map" as uc6
+}
+
+rectangle "The user is the card operator" as uc10
+rectangle "Sensor Agent\n(Device/STM32/Emulator)" as uc11
+
+uc11 - uc1
+uc11 - uc2
+
+uc10 - uc5
+uc10 - uc6
+
+uc2 -.|> uc3 : <<include>>
+uc3 -.|> uc4 : <<include>>
+
+@enduml