feat: Implement tournament schedule tab and fix E2E tests (#27)

## Summary

This PR implements the tournament schedule tab functionality and fixes all remaining E2E test failures.

### Changes Included

1. **Tournament Schedule Feature**
   - Added tournament schedule page at `/admin/tournaments/[id]/schedule`
   - Implemented "Generate Schedule" button functionality
   - Added schedule generation logic for round-robin tournaments

2. **E2E Test Fixes**
   - Fixed database connection issues in production builds
   - Improved test reliability with better error handling and debugging
   - Updated test infrastructure to use environment variables instead of hardcoded values

3. **CI/CD Updates**
   - Added E2E test job to PR workflow
   - Configured tests to run against development database
   - Moved database password to Gitea secrets

4. **Code Quality**
   - Removed hardcoded passwords from codebase
   - Improved Prisma client configuration
   - Enhanced authentication and navigation components

### Test Results
All 16 E2E test scenarios are now passing:
- Authentication tests: ✅
- Registration tests: ✅
- Tournament schedule tests: ✅
- Player schedule tests: ✅
- Admin navigation tests: ✅

### Database Configuration
- Tests run against `euchre_camp_dev` database
- Production builds use environment variables for database configuration
- Database password stored in Gitea secrets as `DB_PASSWORD`

### CI Pipeline
The PR workflow now includes:
1. Unit tests
2. E2E tests (using production build)
3. Version bump analysis

E2E tests must pass before PR can be merged.

Reviewed-on: #27
Co-authored-by: David Gwilliam <dhgwilliam@gmail.com>
Co-committed-by: David Gwilliam <dhgwilliam@gmail.com>

prisma/migrations/20260426235230_add_activity_and_settings_models/migration.sql

@@ -0,0 +1,63 @@
+-- DropForeignKey
+ALTER TABLE "matches" DROP CONSTRAINT "matches_player1P1Id_fkey";
+
+-- DropForeignKey
+ALTER TABLE "matches" DROP CONSTRAINT "matches_player1P2Id_fkey";
+
+-- DropForeignKey
+ALTER TABLE "matches" DROP CONSTRAINT "matches_player2P1Id_fkey";
+
+-- DropForeignKey
+ALTER TABLE "matches" DROP CONSTRAINT "matches_player2P2Id_fkey";
+
+-- CreateTable
+CREATE TABLE "activities" (
+    "id" SERIAL NOT NULL,
+    "type" TEXT NOT NULL,
+    "description" TEXT NOT NULL,
+    "userId" TEXT,
+    "playerId" INTEGER,
+    "eventId" INTEGER,
+    "matchId" INTEGER,
+    "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+
+    CONSTRAINT "activities_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateTable
+CREATE TABLE "club_settings" (
+    "id" SERIAL NOT NULL,
+    "clubName" TEXT NOT NULL DEFAULT 'Euchre Club',
+    "defaultEloRating" INTEGER NOT NULL DEFAULT 1200,
+    "partnershipEnabled" BOOLEAN NOT NULL DEFAULT true,
+    "notificationsEnabled" BOOLEAN NOT NULL DEFAULT true,
+    "matchVerification" BOOLEAN NOT NULL DEFAULT false,
+    "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    "updatedAt" TIMESTAMP(3) NOT NULL,
+
+    CONSTRAINT "club_settings_pkey" PRIMARY KEY ("id")
+);
+
+-- AddForeignKey
+ALTER TABLE "matches" ADD CONSTRAINT "matches_player1P1Id_fkey" FOREIGN KEY ("player1P1Id") REFERENCES "players"("id") ON DELETE SET NULL ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE "matches" ADD CONSTRAINT "matches_player1P2Id_fkey" FOREIGN KEY ("player1P2Id") REFERENCES "players"("id") ON DELETE SET NULL ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE "matches" ADD CONSTRAINT "matches_player2P1Id_fkey" FOREIGN KEY ("player2P1Id") REFERENCES "players"("id") ON DELETE SET NULL ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE "matches" ADD CONSTRAINT "matches_player2P2Id_fkey" FOREIGN KEY ("player2P2Id") REFERENCES "players"("id") ON DELETE SET NULL ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE "activities" ADD CONSTRAINT "activities_userId_fkey" FOREIGN KEY ("userId") REFERENCES "users"("id") ON DELETE SET NULL ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE "activities" ADD CONSTRAINT "activities_playerId_fkey" FOREIGN KEY ("playerId") REFERENCES "players"("id") ON DELETE SET NULL ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE "activities" ADD CONSTRAINT "activities_eventId_fkey" FOREIGN KEY ("eventId") REFERENCES "events"("id") ON DELETE SET NULL ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE "activities" ADD CONSTRAINT "activities_matchId_fkey" FOREIGN KEY ("matchId") REFERENCES "matches"("id") ON DELETE SET NULL ON UPDATE CASCADE;