tests/test_reply.py Extends ExternalReplyInfo tests to include live_photo. tests/test_paidmedia.py Adds PaidMediaLivePhoto coverage and integrates live photo into PaidMedia subclass tests. tests/test_message.py Adds live_photo to message parameterization coverage. tests/ext/test_filters.py Adds test coverage for the new filters.LIVE_PHOTO. tests/_files/test_livephoto.py New integration/unit tests for LivePhoto and send_live_photo. tests/_files/test_inputmedia.py Adds InputMediaLivePhoto/InputPaidMediaLivePhoto tests and extends edit-media tests to include live photos. tests/_files/conftest.py Adds real_live_photo fixture for live photo integration tests. src/telegram/ext/filters.py Introduces filters.LIVE_PHOTO. src/telegram/ext/_extbot.py Adds ExtBot wrapper for send_live_photo and extends media group typing. src/telegram/constants.py Adds new enum values for live photo across relevant enums. src/telegram/_user.py Extends user-scoped send_media_group typing to include InputMediaLivePhoto. src/telegram/_reply.py Adds ExternalReplyInfo.live_photo parsing and typing. src/telegram/_paidmedia.py Adds PaidMediaLivePhoto and mapping for PaidMediaType.LIVE_PHOTO. src/telegram/_message.py Adds Message.live_photo parsing, slots, and typing updates for media group operations. src/telegram/_files/livephoto.py New LivePhoto TelegramObject implementation. src/telegram/_files/inputmedia.py Adds InputMediaLivePhoto and InputPaidMediaLivePhoto. src/telegram/_chat.py Extends chat-scoped send_media_group typing to include InputMediaLivePhoto. src/telegram/_bot.py Adds send_live_photo method and extends media group typing/docs to include live photos. src/telegram/init.py Exposes new Live Photo related classes at top-level telegram.*. docs/source/telegram.paidmedialivephoto.rst Adds API docs page for PaidMediaLivePhoto. docs/source/telegram.livephoto.rst Adds API docs page for LivePhoto. docs/source/telegram.inputpaidmedialivephoto.rst Adds API docs page for InputPaidMediaLivePhoto. docs/source/telegram.inputmedialivephoto.rst Adds API docs page for InputMediaLivePhoto. docs/source/telegram.at-tree.rst Adds new classes to the documentation tree. docs/source/inclusions/bot_methods.rst Adds Bot.send_live_photo to the documented bot methods list.