feat: Improve chunk streaming in GraphService and enhancing message e…

[Sarthak422004]

…xtraction

Description

Issue ticket number and link

Does this PR introduce a breaking change?

How Has This Been Tested?

Screenshots (if appropriate):

Checklist:

• My code follows the style guidelines
• I have performed a self-review of my code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• Any dependent changes have been merged and published in downstream modules

[Iamsdt]

Closing this, it will be fixed with this issue
#10