Implemented competetion-mode

[Gupta-02]

New Typing Competition Modes Implementation Complete!
I've successfully implemented the requested new competition modes for the typing competition platform. Here's what has been added:

🎯 Three Competition Modes Now Available:

1. Rounds Mode (Traditional) - Default
   Multiple sequential rounds with different texts
   Each round has a time limit
   Participants compete round by round
   Rankings based on average performance across all rounds
2. Timed Challenge - ⏱️
   Single session with fixed time limit (30-3600 seconds)
   All participants type simultaneously for the entire duration
   One text provided for all participants
   Rankings based on WPM and accuracy achieved within the time limit
3. Word Count Challenge - 📝
   Target word count (10-1000 words) instead of time limit
   Text pool with multiple texts - participants randomly assigned one
   Competition ends when participant reaches target word count
   Rankings based on WPM and accuracy to complete the challenge
   🔧 Backend Changes:
   Competition Model Updates:
   Added mode field: 'rounds' | 'timed' | 'word-count'
   Added modeConfig object for mode-specific settings:
   timeLimit (seconds) for timed mode
   targetWords (count) for word-count mode
   textPool (array) for word-count mode texts
   Made rounds array optional for non-rounds modes
   API Enhancements:
   Updated /api/create endpoint to accept mode and modeConfig
   Added validation for mode-specific requirements
   Enhanced competition creation logic for different modes
   Socket Handlers:
   New competition.js handler for timed/word-count modes
   startCompetition event for single-session competitions
   competitionStarted/competitionEnded events
   Automatic competition ending for timed mode
   🎨 Frontend Updates:
   Organizer Interface:
   Mode Selection Dropdown with clear descriptions
   Dynamic Configuration Forms:
   Timed: Time limit + challenge text
   Word-Count: Target words + text pool management
   Rounds: Traditional round setup (unchanged)
   Smart UI Controls: Shows appropriate controls based on selected mode
   Single "Start Competition" Button for timed/word-count modes
   Participant Experience:
   Unified Typing Interface works for all modes
   Dynamic Timer Display: Shows time remaining or word count progress
   Real-time Progress Updates with mode-appropriate metrics
   Automatic Competition Ending based on mode rules
   📊 Key Features:
   Timed Challenge:
   Set custom time limits (30s - 1 hour)
   All participants race against the clock
   Real-time leaderboard updates
   Automatic completion when time expires
   Word Count Challenge:
   Set target word counts (10-1000 words)
   Multiple texts in pool for variety
   Random text assignment to participants
   Competition ends when target reached
   Progress shown as "Words: X/Y"
   Enhanced Analytics:
   All modes fully integrated with existing analytics
   Mode-specific metrics and insights
   Comprehensive reporting and export features
   🚀 How to Use:
   Create Competition:

Select desired mode from dropdown
Configure mode-specific settings
Create and share competition code
For Timed Mode:

Set time limit and provide challenge text
Click "Start Competition" when ready
For Word Count Mode:

Set target word count
Add multiple texts to pool
Click "Start Competition" when ready
Participants Join:

Use competition code to join
Experience seamless typing interface
Automatic progression based on mode rules
The implementation maintains full backward compatibility while adding exciting new competition formats that cater to different skill levels and preferences. The platform now supports traditional round-based competitions, high-intensity timed challenges, and goal-oriented word count challenges!

[github-actions]

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