gracefully handle SSE parse errors and suppress raw parser code

[Suyash-K]

Closes #187
Closes #358

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[Suyash-K]

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[Suyash-K]

Summary

This PR removes the low-level SSE parser bundle that was causing confusion and maintenance overhead, as noted in #358 and #187. The change prevents malformed JSON parsing issues.

After Fix (Locally Run)

Before Fix

[tibo-openai]

ty! Would merge, but ci is failing, could you have a look at this @Suyash-K ?

[Suyash-K]

ty! Would merge, but ci is failing, could you have a look at this @Suyash-K ?

It was failing formatting tests 'cause of Prettier style violations can you check this commit commit 5874abf and see if it works @tibo-openai ?

[tibo-openai]

merging, ty!