fix: update documentation and configuration files

docs/TOURNAMENT_STATUS_FIX.md

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+# Tournament Status Fix
+
+## Problem
+Tournaments with past `eventDate` were incorrectly showing as "planned" because the `status` field was static and only updated when explicitly changed.
+
+## Solution
+Implemented dynamic status calculation based on event date that automatically updates when tournaments are fetched.
+
+## Changes Made
+
+### 1. Created `src/lib/tournamentUtils.ts`
+- Added `getTournamentStatus(eventDate: Date | null): string` function
+- Returns "completed" if eventDate is in the past
+- Returns "planned" if eventDate is in the future or null
+- Added helper functions `isTournamentPast()` and `isTournamentFuture()`
+
+### 2. Updated `src/app/api/tournaments/route.ts`
+- Modified GET endpoint to automatically update tournament statuses
+- Fetches all tournaments with participants and teams
+- Calculates status using `getTournamentStatus()` for each tournament
+- Updates database if calculated status differs from stored status
+- Returns tournaments with updated status
+
+### 3. Updated `src/app/admin/tournaments/page.tsx`
+- Added import for `getTournamentStatus` utility
+- Calculates dynamic status for each tournament before rendering
+- Updates database if status needs to change
+- Displays calculated status in UI
+
+### 4. Updated `src/app/admin/tournaments/[id]/page.tsx`
+- Added import for `getTournamentStatus` utility
+- Calculates and updates tournament status before rendering detail page
+- Ensures consistent status display across all tournament views
+
+## Status Logic
+- **Past eventDate** → "completed" (gray badge: bg-gray-100 text-gray-800)
+- **Future eventDate or null** → "planned" (yellow badge: bg-yellow-100 text-yellow-800)
+
+## Behavior
+- Status is automatically calculated and updated whenever tournaments are fetched
+- No manual intervention required
+- Existing tournaments with past dates are automatically marked as "completed"
+- Future tournaments or tournaments without dates remain "planned"