Get Traits

Retrieve all traits from the database.

Returns:

• List[TraitLevel]: A list of TraitLevel objects representing all valid traits

TraitLevel structure:

• id: Unique identifier for the trait
• set_type: Optional category of the trait (e.g., “Big Five”, “8 Values”)
• type: The type of trait (e.g., “religion”)
• measurement_type: How the trait is measured (“nominal”, “ordinal”, “interval”, “ratio”)
• ordinal_rank: Optional ranking for ordinal traits
• short_description: Brief description of the trait level (e.g., “Satanist”)
• long_description: Detailed description of the trait level

Example Response:

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[
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    {
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        "id": "religion_1",
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        "set_type": "Personal Values",
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        "type": "religion",
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        "measurement_type": "nominal",
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        "short_description": "Satanist",
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        "long_description": "My religion is Satanism"
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    },
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    {
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        "id": "openness_2",
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        "set_type": "Big Five",
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        "type": "personality",
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        "measurement_type": "ordinal",
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        "ordinal_rank": 2,
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        "short_description": "Medium Openness",
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        "long_description": "I am somewhat open to new experiences"
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    }
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]

Notes:

• Invalid traits are logged and skipped
• The total number of retrieved traits is logged

Raises:

• HTTPException 500: If an error occurs while fetching traits