feat: Add basic support to bool features (#5576)

# Description
<!-- Please include a summary of the changes and the related issue.
Please also include relevant motivation and context. List any
dependencies that are required for this change. -->

Also, relax type casting for metadata values, accepting Any.

**Type of change**
<!-- Please delete options that are not relevant. Remember to title the
PR according to the type of change -->

- Bug fix (non-breaking change which fixes an issue)
- New feature (non-breaking change which adds functionality)
- Breaking change (fix or feature that would cause existing
functionality to not work as expected)
- Refactor (change restructuring the codebase without changing
functionality)
- Improvement (change adding some improvement to an existing
functionality)
- Documentation update

**How Has This Been Tested**
<!-- Please add some reference about how your feature has been tested.
-->

**Checklist**
<!-- Please go over the list and make sure you've taken everything into
account -->

- I added relevant documentation
- I followed the style guidelines of this project
- I did a self-review of my code
- I made corresponding changes to the documentation
- I confirm My changes generate no new warnings
- I have added tests that prove my fix is effective or that my feature
works
- I have added relevant notes to the CHANGELOG.md file (See
https://keepachangelog.com/)

Author: frascuchon

argilla-server/CHANGELOG.md

@@ -16,6 +16,10 @@ These are the section headers that we use:
 
 ## [Unreleased]()
 
+### Changed
+
+- Changed supported values for terms metadata options to accept other than strings values. ([#5589](https://github.com/argilla-io/argilla/pull/5589))
+
 ### Removed
 
 - Removed name pattern validation for Workspaces, Datasets, and Users. ([#5575](https://github.com/argilla-io/argilla/pull/5575))

argilla-server/src/argilla_server/api/schemas/v1/metadata_properties.py

@@ -41,7 +41,7 @@
 
 class TermsMetadataMetrics(BaseModel):
     class TermCount(BaseModel):
-        term: str
+        term: Any
         count: int
 
     type: Literal[MetadataPropertyType.terms] = Field(MetadataPropertyType.terms, const=True)
@@ -72,13 +72,18 @@ def round_result(cls, v: float):
 
 
 MetadataMetrics = Annotated[
-    Union[TermsMetadataMetrics, IntegerMetadataMetrics, FloatMetadataMetrics], Field(..., discriminator="type")
+    Union[
+        TermsMetadataMetrics,
+        IntegerMetadataMetrics,
+        FloatMetadataMetrics,
+    ],
+    Field(..., discriminator="type"),
 ]
 
 
 class TermsMetadataProperty(BaseModel):
     type: Literal[MetadataPropertyType.terms]
-    values: Optional[List[str]] = None
+    values: Optional[List[Any]] = None
 
 
 class IntegerMetadataProperty(BaseModel):
@@ -98,7 +103,6 @@ class FloatMetadataProperty(BaseModel):
     Field(..., discriminator="type"),
 ]
 
-
 MetadataPropertyName = Annotated[
     str,
     Field(
@@ -109,7 +113,6 @@ class FloatMetadataProperty(BaseModel):
     ),
 ]
 
-
 MetadataPropertyTitle = Annotated[
     constr(min_length=METADATA_PROPERTY_CREATE_TITLE_MIN_LENGTH, max_length=METADATA_PROPERTY_CREATE_TITLE_MAX_LENGTH),
     Field(..., description="The title of the metadata property"),
@@ -133,7 +136,7 @@ def check_bounds(cls, values: Dict[str, Any]) -> Dict[str, Any]:
 
 class TermsMetadataPropertyCreate(BaseModel):
     type: Literal[MetadataPropertyType.terms]
-    values: Optional[List[str]] = Field(
+    values: Optional[List[Any]] = Field(
         None, min_items=TERMS_METADATA_PROPERTY_VALUES_MIN_ITEMS, max_items=TERMS_METADATA_PROPERTY_VALUES_MAX_ITEMS
     )
 

argilla-server/src/argilla_server/models/metadata_properties.py

@@ -41,14 +41,14 @@ def check_metadata(self, value: Any) -> None:
 
 class TermsMetadataPropertySettings(BaseMetadataPropertySettings):
     type: Literal[MetadataPropertyType.terms]
-    values: Optional[List[str]] = None
+    values: Optional[List[Any]] = None
 
-    def check_metadata(self, value: Union[str, List[str]]) -> None:
+    def check_metadata(self, value: Any) -> None:
         if self.values is None:
             return
 
         values = value
-        if isinstance(values, str):
+        if not isinstance(values, list):
             values = [value]
 
         for v in values: