Implemented foundation of task-flow-engine

flows/task.yaml

@@ -0,0 +1,43 @@
+id: custodian.task.v1
+entity_type: task
+workstations:
+  - name: todo
+    description: Task is known but not currently underway.
+    entry_assertions: []
+    exit_assertions: []
+  - name: in_progress
+    description: Task is being actively worked.
+    entry_assertions:
+      - id: task.needs_human_false
+        target: needs_human
+        op: all_eq
+        value: false
+        description: Human intervention is not currently required.
+    exit_assertions:
+      - id: task.needs_human_false
+        target: needs_human
+        op: all_eq
+        value: false
+        description: Human intervention is not currently required.
+  - name: blocked
+    description: Task is blocked by a human decision or unavailable input.
+    entry_assertions:
+      - id: task.needs_human_true
+        target: needs_human
+        op: all_eq
+        value: true
+        description: The task requires human intervention.
+    exit_assertions:
+      - id: task.needs_human_false
+        target: needs_human
+        op: all_eq
+        value: false
+        description: Human intervention has been cleared.
+  - name: done
+    description: Task is complete.
+    entry_assertions: []
+    exit_assertions: []
+  - name: cancelled
+    description: Task is intentionally not being completed.
+    entry_assertions: []
+    exit_assertions: []