Feature/schedulex calendar feature

[SATVIKsynopsis]

Closes #20 # 🗓️ ScheduleX Calendar Integration - Complete AI-Powered Scheduling System

🎯 Overview

This PR introduces a comprehensive calendar integration feature that transforms AI-Flow into a powerful scheduling and productivity platform. The implementation provides seamless Google Calendar synchronization, intelligent AI-powered scheduling, and advanced task management capabilities.

✨ Key Features

🔌 Google Calendar Integration

• OAuth 2.0 Authentication - Secure Google account integration
• Real-time Synchronization - Bidirectional sync with existing calendar events
• Event Management - Create, update, and delete calendar events from AI-Flow
• Multiple Calendar Support - Handle primary and secondary Google calendars
• Conflict Detection - Smart detection and resolution of scheduling conflicts

🧠 AI-Powered Smart Scheduling

• Intelligent Task Analysis - AI evaluates task complexity, priority, and estimated duration
• Optimal Time Slot Detection - Finds the best available time slots based on:
  • User's productivity patterns
  • Existing calendar commitments
  • Preferred working hours
  • Energy levels throughout the day
• Work-Life Balance Optimization - Ensures healthy scheduling with proper breaks
• Context-Aware Scheduling - Considers task types and required focus levels

📋 Advanced Task Management

• Persistent Storage - Tasks saved locally with cloud backup integration
• Priority Classification - High, Medium, Low priority levels with smart sorting
• Duration Estimation - Flexible time allocation (15min to 4+ hours)
• Status Tracking - Todo → In Progress → Completed workflow
• Task Categories - Meeting, Focus Work, Administrative, Creative, etc.
• Deadline Management - Due date tracking with intelligent reminders

⚙️ Customizable Preferences

• Working Hours Configuration - Personalized daily schedule (9-5, flexible, etc.)
• Working Days Selection - Custom week structure (5-day, 6-day, weekend work)
• Buffer Time Settings - Automatic padding between meetings (5-30 minutes)
• Focus Time Blocks - Dedicated deep work periods with no interruptions
• Break Duration Control - Customizable rest periods between tasks
• Timezone Support - Automatic detection and handling of time zones

🏗️ Technical Implementation

📂 New File Structure

[vercel]

@SATVIKsynopsis is attempting to deploy a commit to the Bindupautra Jyotibrat's projects Team on Vercel.

A member of the Team first needs to authorize it.

[gitguardian]

⚠️ GitGuardian has uncovered 1 secret following the scan of your pull request.

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🔎 Detected hardcoded secret in your pull request

GitGuardian id	GitGuardian status	Secret	Commit	Filename
-	-	Google OAuth2 Keys	1292859	.env.schedulex	View secret

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[SATVIKsynopsis]

@Jyotibrat please check the pr and merge it.

[Jyotibrat]

Add a video showing the feature. @SATVIKsynopsis

[SATVIKsynopsis]

ai-flow.demo.mp4

[Jyotibrat]

So the user will give instruction about the schedule and the AI will make the schedule and add it in the google calendar. Right?

[SATVIKsynopsis]

@Jyotibrat right

[Jyotibrat]

so tell me the env variables which are to be added in the project to add this feature and where to get the env variables? @SATVIKsynopsis

[SATVIKsynopsis]

@Jyotibrat gemini free tier api key and google client id and secret key from google console and microsoft outlook if you want to integrated it which i have not.

[Jyotibrat]

Resolve this error.

[Jyotibrat]

Error: Failed to scan for dependencies from entries:
G:/VS Code Programs/Projects/Working/AI-Flow/index.html
G:/VS Code Programs/Projects/Working/AI-Flow/public/google-oauth-redirect.html

X [ERROR] Expected ":" but found "GEMINI_API_KEY"

src/pages/AITools.tsx:159:8:
  159 │   const GEMINI_API_KEY = import.meta.env.VITE_APP_GEMINI_API_KEY;
      │         ~~~~~~~~~~~~~~
      ╵         :


at failureErrorWithLog (G:\VS Code Programs\Projects\Working\AI-Flow\node_modules\esbuild\lib\main.js:1465:15)
at G:\VS Code Programs\Projects\Working\AI-Flow\node_modules\esbuild\lib\main.js:924:25
at runOnEndCallbacks (G:\VS Code Programs\Projects\Working\AI-Flow\node_modules\esbuild\lib\main.js:1305:45)
at buildResponseToResult (G:\VS Code Programs\Projects\Working\AI-Flow\node_modules\esbuild\lib\main.js:922:7)
at G:\VS Code Programs\Projects\Working\AI-Flow\node_modules\esbuild\lib\main.js:934:9
at new Promise (<anonymous>)
at requestCallbacks.on-end (G:\VS Code Programs\Projects\Working\AI-Flow\node_modules\esbuild\lib\main.js:933:54)
at handleRequest (G:\VS Code Programs\Projects\Working\AI-Flow\node_modules\esbuild\lib\main.js:626:17)
at handleIncomingPacket (G:\VS Code Programs\Projects\Working\AI-Flow\node_modules\esbuild\lib\main.js:651:7)
at Socket.readFromStdout (G:\VS Code Programs\Projects\Working\AI-Flow\node_modules\esbuild\lib\main.js:579:7)