Organize test logs into separate directories by test suite and file

- wxWidgets logs: tests/logs/wxwidgets/<test-file>/
- KiCad logs: tests/logs/kicad/<test-file>/
- Global setup now cleans all log subdirectories recursively
- Added globalSetup to KiCad playwright config

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

tests/global-setup.ts

@@ -1,22 +1,34 @@
 import * as fs from 'fs';
 import * as path from 'path';
 
+/**
+ * Recursively clean all files in a directory (keeps directory structure).
+ */
+function cleanDirectory(dir: string): number {
+  let count = 0;
+  if (!fs.existsSync(dir)) return count;
+
+  for (const entry of fs.readdirSync(dir)) {
+    const fullPath = path.join(dir, entry);
+    const stat = fs.statSync(fullPath);
+    if (stat.isFile()) {
+      fs.unlinkSync(fullPath);
+      count++;
+    } else if (stat.isDirectory()) {
+      count += cleanDirectory(fullPath);
+    }
+  }
+  return count;
+}
+
 /**
  * Global setup for Playwright tests.
- * Cleans the logs directory before each test run to prevent stale logs.
+ * Cleans the logs directory (and subdirectories) before each test run.
  */
 export default async function globalSetup() {
   const logsDir = path.join(__dirname, 'logs');
-
-  if (fs.existsSync(logsDir)) {
-    // Remove all files in logs directory
-    for (const file of fs.readdirSync(logsDir)) {
-      const filePath = path.join(logsDir, file);
-      // Only remove files, not subdirectories
-      if (fs.statSync(filePath).isFile()) {
-        fs.unlinkSync(filePath);
-      }
-    }
-    console.log(`[global-setup] Cleaned ${logsDir}`);
+  const count = cleanDirectory(logsDir);
+  if (count > 0) {
+    console.log(`[global-setup] Removed ${count} log files from ${logsDir}`);
   }
 }