checkpoint: File edit:

🚀 Generated with [Claude Code](https://claude.com/claude-code)
📊 V3 Development Progress Checkpoint

Co-Authored-By: Claude Sonnet 4 <noreply@anthropic.com>

v3/@claude-flow/shared/src/index.ts

@@ -18,6 +18,7 @@ export * from './events/index.js';
 export * from './plugin-interface.js';
 export * from './plugin-loader.js';
 export * from './plugin-registry.js';
+export * from './plugins/index.js';
 
 // Re-export from submodules for convenience
 export * from './types/index.js';

v3/@claude-flow/shared/src/plugins/index.ts

@@ -0,0 +1,34 @@
+/**
+ * Plugins System - ADR-004 Implementation
+ *
+ * Plugin architecture for extending Claude Flow functionality.
+ *
+ * @module v3/shared/plugins
+ */
+
+// Types
+export type {
+  PluginConfig,
+  PluginContext,
+  PluginEvent,
+  PluginEventHandler,
+  ClaudeFlowPlugin,
+  PluginMetadata,
+  IPluginRegistry,
+  IPluginLoader,
+} from './types.js';
+
+// Official Plugins
+export {
+  HiveMindPlugin,
+  createHiveMindPlugin,
+  type HiveMindConfig,
+  type CollectiveDecision,
+  type EmergentPattern,
+  MaestroPlugin,
+  createMaestroPlugin,
+  type MaestroConfig,
+  type WorkflowStep,
+  type Workflow,
+  type OrchestrationResult,
+} from './official/index.js';

v3/@claude-flow/shared/src/plugins/types.ts

@@ -0,0 +1,108 @@
+/**
+ * Plugin Types - ADR-004 Implementation
+ *
+ * Type definitions for the plugin system.
+ *
+ * @module v3/shared/plugins/types
+ */
+
+import type { HookRegistry } from '../hooks/index.js';
+
+/**
+ * Plugin configuration base
+ */
+export interface PluginConfig {
+  enabled: boolean;
+  [key: string]: unknown;
+}
+
+/**
+ * Plugin context provided during initialization
+ */
+export interface PluginContext {
+  hooks?: HookRegistry;
+  services?: Record<string, unknown>;
+  config?: Record<string, unknown>;
+}
+
+/**
+ * Plugin lifecycle events
+ */
+export type PluginEvent = 'initialized' | 'shutdown' | 'error';
+
+/**
+ * Plugin event handler
+ */
+export type PluginEventHandler = (event: PluginEvent, data?: unknown) => void;
+
+/**
+ * Claude Flow Plugin Interface
+ *
+ * All plugins must implement this interface.
+ */
+export interface ClaudeFlowPlugin {
+  /** Unique plugin identifier */
+  readonly id: string;
+
+  /** Human-readable name */
+  readonly name: string;
+
+  /** Plugin version */
+  readonly version: string;
+
+  /** Plugin description */
+  readonly description: string;
+
+  /** Dependencies on other plugins */
+  readonly dependencies?: string[];
+
+  /**
+   * Initialize the plugin
+   * @param context Plugin context with hooks and services
+   */
+  initialize(context: PluginContext): Promise<void>;
+
+  /**
+   * Shutdown the plugin
+   */
+  shutdown(): Promise<void>;
+
+  /**
+   * Optional event handler
+   */
+  onEvent?: PluginEventHandler;
+}
+
+/**
+ * Plugin metadata
+ */
+export interface PluginMetadata {
+  id: string;
+  name: string;
+  version: string;
+  description: string;
+  author?: string;
+  license?: string;
+  homepage?: string;
+  dependencies?: string[];
+}
+
+/**
+ * Plugin registry
+ */
+export interface IPluginRegistry {
+  register(plugin: ClaudeFlowPlugin): void;
+  unregister(pluginId: string): void;
+  get(pluginId: string): ClaudeFlowPlugin | undefined;
+  getAll(): ClaudeFlowPlugin[];
+  isRegistered(pluginId: string): boolean;
+}
+
+/**
+ * Plugin loader interface
+ */
+export interface IPluginLoader {
+  loadFromPath(path: string): Promise<ClaudeFlowPlugin>;
+  loadFromPackage(packageName: string): Promise<ClaudeFlowPlugin>;
+  loadBuiltin(pluginId: string): Promise<ClaudeFlowPlugin>;
+}