feat: Complete Pi Harness Rebuild - Phases 1 till 7.2

src/servers/api/pi/logger.ts

@@ -0,0 +1,57 @@
+/**
+ * Structured logging utility for Pi harness
+ */
+
+export type LogLevel = 'DEBUG' | 'INFO' | 'WARN' | 'ERROR';
+
+type LogContext = {
+  sessionId?: string;
+  email?: string;
+  model?: string;
+  requestId?: string;
+  [key: string]: unknown;
+};
+
+const LOG_COLORS = {
+  DEBUG: '\x1b[36m', // Cyan
+  INFO: '\x1b[32m', // Green
+  WARN: '\x1b[33m', // Yellow
+  ERROR: '\x1b[31m', // Red
+  RESET: '\x1b[0m',
+};
+
+function formatTimestamp(): string {
+  return new Date().toISOString();
+}
+
+function formatContext(context?: LogContext): string {
+  if (!context || Object.keys(context).length === 0) return '';
+  return ' ' + JSON.stringify(context);
+}
+
+function log(level: LogLevel, message: string, context?: LogContext) {
+  const timestamp = formatTimestamp();
+  const color = LOG_COLORS[level];
+  const reset = LOG_COLORS.RESET;
+  const contextStr = formatContext(context);
+
+  console.log(`${color}[${timestamp}] [Pi] [${level}]${reset} ${message}${contextStr}`);
+}
+
+export const logger = {
+  debug(message: string, context?: LogContext) {
+    log('DEBUG', message, context);
+  },
+
+  info(message: string, context?: LogContext) {
+    log('INFO', message, context);
+  },
+
+  warn(message: string, context?: LogContext) {
+    log('WARN', message, context);
+  },
+
+  error(message: string, context?: LogContext) {
+    log('ERROR', message, context);
+  },
+};