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Martha Schumann 505bc9baef test(sdk-python): remove empty-string delta test
ag-ui-protocol 0.1.15 added a validator requiring TextMessageContentEvent.delta
to have length >= 1. The test asserted that manually_emit_message with an empty
string still emits the full TEXT_MESSAGE_START/CONTENT/END sequence — that
behavior is no longer achievable at the protocol layer, and emitting empty
content events was never semantically useful. Removing rather than guarding
in code: the protocol should fail loudly on empty deltas, not silently drop
them in CopilotKit.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-04-22 10:03:46 -07:00
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