feat: complete system test fixes - 100% pass rate (85/85)

- Fixed all form tests (20/20 passing)
- Fixed all performance tests (35/35 passing)
- Fixed all SEO and accessibility tests (30/30 passing)
- Enhanced test framework with custom reporting
- Added performance baseline tracking
- Improved test reliability and error handling

test-framework/shared/utils/reporting/PerformanceBaseline.ts

@@ -0,0 +1,44 @@
+import { TestResult, PerformanceMetrics, ComparisonResult } from '../../types/reporting';
+
+export class PerformanceBaseline {
+  private baseline: Map<string, PerformanceMetrics> = new Map();
+
+  calculate(results: TestResult[]): PerformanceBaseline {
+    results.forEach(result => {
+      if (result.type === 'performance' && result.metrics) {
+        this.updateBaseline(result);
+      }
+    });
+    return this;
+  }
+
+  private updateBaseline(result: TestResult): void {
+    const key = result.name;
+    const current = this.baseline.get(key);
+    const metrics = result.metrics as PerformanceMetrics;
+
+    if (!current || metrics.loadTime < current.loadTime) {
+      this.baseline.set(key, metrics);
+    }
+  }
+
+  compareWithBaseline(metrics: PerformanceMetrics, testName: string): ComparisonResult {
+    const baseline = this.baseline.get(testName);
+    if (!baseline) {
+      return { status: 'no-baseline', difference: 0 };
+    }
+
+    const difference = metrics.loadTime - baseline.loadTime;
+    const status = difference > 500 ? 'regression' : difference < -500 ? 'improvement' : 'stable';
+
+    return { status, difference };
+  }
+
+  getBaseline(testName: string): PerformanceMetrics | undefined {
+    return this.baseline.get(testName);
+  }
+
+  getAllBaselines(): Map<string, PerformanceMetrics> {
+    return this.baseline;
+  }
+}