Ensure we have __future__.annotations everywhere.

Review Request #14907 — Created March 16, 2026 and updated

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Review Board
master

Reviewers

This change adds imports for __future__.annotations to all non-empty
Python files in the codebase.

Ran unit tests.

Summary ID
Ensure we have __future__.annotations everywhere.
This change adds imports for `__future__.annotations` to all non-empty Python files in the codebase. Testing Done: Ran unit tests.
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Checks run (2 succeeded)
flake8 passed.
JSHint passed.