improved AI responce

[Priyanshu-777]

Related Issue

Closes #822

Summary

Improved AI task extraction to provide relevant tasks with better subject detection.
Enhanced the system with detailed prompts, expanded verb recognition, and improved subject categorization.

Changes Made

• Enhanced Task Detection Rules - Updated the prompt by introducing critical rule improvements to enhance task detection accuracy and ensure more reliable classification across different scenarios.
• Expanded task verb recognition - Added 20+ new task verbs (solve, create, build, develop, test, implement, design, analyze, discuss, explain, document, summarize, outline, research, investigate, experiment, evaluate, report, etc.) for better task detection
• Improved subject detection - added more keywords and better matching
• Added subject support - Extended coverage to include Chemistry, Biology, History, and Economics
• Enhanced notes extraction - Improved extraction of task details from various text formats
• Better title extraction - Refined title cleaning to remove filler words and improve clarity
• Improved date pattern - Added more date patterns (this week, next week, within N days, by the weekend)
• Improved text segmentation - Better handling of multi-line and comma-separated inputs

Testing

with input

current output

before output

Contribution under GSSoC.