Snapshot: new training tasks (balanced generation), docs

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

tasks_gen/train/G1928/seed/i_wind_grade.ddls.asddls

@@ -0,0 +1,48 @@
+@AbapCatalog.sqlViewName: '{{p}}WGRD'
+@AbapCatalog.preserveKey: true
+@AccessControl.authorizationCheck: #NOT_REQUIRED
+@EndUserText.label: 'Wind turbine yield grade'
+define view {{P}}I_WIND_GRADE
+  as select from {{p}}yield as y
+    inner join {{p}}turbine as t on t.turbine_id = y.turbine_id
+{
+  key y.turbine_id   as turbine_id,
+  key y.calmonth     as calmonth,
+      t.site         as site,
+      y.energy_kwh   as energy_kwh,
+      y.downtime_hrs as downtime_hrs,
+      case
+        when y.energy_kwh >= 200000 then 'A'
+        else case
+          when y.energy_kwh >= 100000 then 'B'
+          else case
+            when y.energy_kwh >= 50000 then 'C'
+            else case
+              when y.energy_kwh >= 10000 then 'D'
+              else 'E'
+            end
+          end
+        end
+      end as yield_grade,
+      case
+        when y.downtime_hrs <= 10 then 'FULL'
+        else case
+          when y.downtime_hrs <= 100 then 'PARTIAL'
+          else 'POOR'
+        end
+      end as availability,
+      case
+        when y.energy_kwh >= 200000 and y.downtime_hrs <= 10 then 'TOP'
+        else case
+          when y.energy_kwh >= 100000 and y.downtime_hrs <= 100 then 'GOOD'
+          else 'WEAK'
+        end
+      end as rating,
+      case
+        when y.downtime_hrs > 100 then y.downtime_hrs * 25
+        else case
+          when y.downtime_hrs > 10 then y.downtime_hrs * 10
+          else 0
+        end
+      end as penalty
+}