(20260309) Added new 'mode' for formatting the muster roll.

backend/models/api/reports/muster_roll.py

@@ -86,6 +86,7 @@ class CosecMusterRollReportRequestData(BaseModel):
 
     mode: Literal["array", "map"] = Field(
         description = "The format in which the response is desired.",
+        default = "array",
         frozen = True,
     )
 
@@ -118,11 +119,16 @@ class CosecMusterRollReportRequestData(BaseModel):
         )
         return value
 
-    @field_validator("groupIds", mode = "after")
+    @field_validator("groupIds", mode = "before")
     def parse_group_ids(cls, value):
         if isinstance(value, str): value = value.split(",")
         return value
 
+    @field_validator("mode", mode = "before")
+    def parse_mode(cls, value):
+        if isinstance(value, str): value = value.lower()
+        return value
+
 
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