feat: Initial confluence-mcp server for realtime collaboration

Provides 8 MCP tools for Confluence Cloud:
- confluence_list_spaces, confluence_create_space
- confluence_search, confluence_get_page
- confluence_create_page, confluence_update_page
- confluence_get_comments, confluence_add_comment

Uses Confluence REST API v2 with basic auth.
Registered in Claude Code and mcp-proxy.

Refs: CF-935

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

node_modules/@modelcontextprotocol/sdk/dist/cjs/experimental/tasks/mcp-server.js

@@ -0,0 +1,36 @@
+"use strict";
+/**
+ * Experimental McpServer task features for MCP SDK.
+ * WARNING: These APIs are experimental and may change without notice.
+ *
+ * @experimental
+ */
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.ExperimentalMcpServerTasks = void 0;
+/**
+ * Experimental task features for McpServer.
+ *
+ * Access via `server.experimental.tasks`:
+ * ```typescript
+ * server.experimental.tasks.registerToolTask('long-running', config, handler);
+ * ```
+ *
+ * @experimental
+ */
+class ExperimentalMcpServerTasks {
+    constructor(_mcpServer) {
+        this._mcpServer = _mcpServer;
+    }
+    registerToolTask(name, config, handler) {
+        // Validate that taskSupport is not 'forbidden' for task-based tools
+        const execution = { taskSupport: 'required', ...config.execution };
+        if (execution.taskSupport === 'forbidden') {
+            throw new Error(`Cannot register task-based tool '${name}' with taskSupport 'forbidden'. Use registerTool() instead.`);
+        }
+        // Access McpServer's internal _createRegisteredTool method
+        const mcpServerInternal = this._mcpServer;
+        return mcpServerInternal._createRegisteredTool(name, config.title, config.description, config.inputSchema, config.outputSchema, config.annotations, execution, config._meta, handler);
+    }
+}
+exports.ExperimentalMcpServerTasks = ExperimentalMcpServerTasks;
+//# sourceMappingURL=mcp-server.js.map