feat: AI Agent Security Firewall MVP - CLI monitoring, sandboxing, audit logging, 11 tests passing

src/types.ts

@@ -0,0 +1,55 @@
+export interface Rule {
+  id: string;
+  name: string;
+  type: 'file' | 'network' | 'process';
+  action: 'allow' | 'block' | 'flag';
+  pattern: string;
+  description?: string;
+}
+
+export interface Config {
+  watchPaths: string[];
+  auditLogPath: string;
+  rules: Rule[];
+  maxLogSizeMB: number;
+  enableNetworkMonitoring: boolean;
+  enableProcessMonitoring: boolean;
+  blockedHosts: string[];
+  blockedFilePatterns: string[];
+  alertThreshold: number;
+}
+
+export interface AuditEvent {
+  timestamp: string;
+  type: 'file' | 'network' | 'process' | 'rule_violation';
+  severity: 'info' | 'warning' | 'critical';
+  action: string;
+  target: string;
+  details: string;
+  pid?: number;
+  ruleId?: string;
+}
+
+export interface NetworkConnection {
+  localAddress: string;
+  localPort: string;
+  remoteAddress: string;
+  remotePort: string;
+  state: string;
+  inode: string;
+  uid: number;
+}
+
+export interface FileEvent {
+  path: string;
+  eventType: 'create' | 'modify' | 'delete' | 'rename';
+  timestamp: string;
+}
+
+export interface SandboxResult {
+  command: string;
+  exitCode: number;
+  events: AuditEvent[];
+  violations: AuditEvent[];
+  duration: number;
+}