IndexFieldKind (index/schema.py)

Defines portable index field kinds and schema for derived-index adapters.

# Source: https://github.com/EverMind-AI/EverOS | License: Apache-2.0 | Copyright You must retain, in the Source form of any Derivative Works
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"""Logical schema descriptions shared by derived-index adapters.

The record models remain the source of truth for logical fields. This module
normalizes their supported types into a small backend-neutral vocabulary and
fails loudly when a new field has no portable representation. Physical limits
and index options remain adapter responsibilities.
"""

from __future__ import annotations

import datetime as dt
from dataclasses import dataclass
from enum import StrEnum
from functools import cache
from typing import Any, get_args, get_origin

_DEFAULT_STRING_LENGTH = 65_535
_ID_LENGTH = 512


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