refractor: store history in mongodb

fix: remove queqe

fix: Update Dockerfile and application configuration for improved performance and compatibility

fix: Update TTS voice name to 'Despina' and enhance prompt for natural speech; modify startup message and adjust demo launch settings

fix: Restore token counting API request in LLMFinanceAnalyzer and adjust logging

refactor: Comment out token counting API request and streamline logging in LLMFinanceAnalyzer; update shipping information prompts in systemprompt

fix: Increase timeout for token count API request in LLMFinanceAnalyzer

refactor: Update transcription method to use transcribe_typhoon and enhance error handling; streamline token tracking in LLMFinanceAnalyzer

refactor: Comment out debug print statement and streamline tool execution in LLMFinanceAnalyzer

Fix summary_order function and update chat history for promotion interactions

refactor: Update chat_history parameter type in call_admin function and adjust usage

refactor: load_dotenv only when local

feat: Implement tools calling

Update backend/models.py

Update backend/models.py

Update backend/models.py

Update backend/models.py

Update backend/models.py

Update backend/models.py

Update backend/models.py

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