Enhance prompt to accept 'my tasks'

[f3rnandomoreno]

This pull request enhances the user personalization and testing capabilities of the telegramtaskaiagent project. The changes include adding user name handling in SQL generation, improving the response format, and updating the tests to reflect these changes.

User Personalization Enhancements:

• src/main/java/com/fmoreno/telegramtaskaiagent/agents/ManagerAgent.java: Updated the buildPrompt method to include personalized greetings and instructions using the user's name.
• src/main/java/com/fmoreno/telegramtaskaiagent/agents/NL2SQLAgent.java: Modified the processNaturalLanguageToSQL method to accept a userName parameter and include it in the generated prompt. [1] [2]
• src/main/java/com/fmoreno/telegramtaskaiagent/client/TelegramClientConfig.java: Updated the consume method to extract the user's name from the message and pass it to the processNaturalLanguageToSQL method. [1] [2] [3]

Testing Improvements:

• src/test/java/com/fmoreno/telegramtaskaiagent/agents/ManagerAgentTestIT.java: Updated various test cases to include the userName parameter and added new test cases to validate personalized responses and task ID inclusion. [1] [2] [3] [4] [5] [6]
• src/test/java/com/fmoreno/telegramtaskaiagent/agents/NL2SQLAgentTestIT.java: Modified test cases to use assertThat from AssertJ for better assertions and updated them to include the userName parameter.

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