diff --git a/a2a/a2a_contact_extractor/.env.default b/a2a/a2a_contact_extractor/.env.default
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+.env.openai
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diff --git a/a2a/a2a_currency_converter/.env.default b/a2a/a2a_currency_converter/.env.default
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+.env.openai
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diff --git a/a2a/weather_service/.env.default b/a2a/weather_service/.env.default
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+.env.openai
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