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/helpers.js

@@ -0,0 +1,68 @@
+"use strict";
+/**
+ * Experimental task capability assertion helpers.
+ * WARNING: These APIs are experimental and may change without notice.
+ *
+ * @experimental
+ */
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.assertToolsCallTaskCapability = assertToolsCallTaskCapability;
+exports.assertClientRequestTaskCapability = assertClientRequestTaskCapability;
+/**
+ * Asserts that task creation is supported for tools/call.
+ * Used by Client.assertTaskCapability and Server.assertTaskHandlerCapability.
+ *
+ * @param requests - The task requests capability object
+ * @param method - The method being checked
+ * @param entityName - 'Server' or 'Client' for error messages
+ * @throws Error if the capability is not supported
+ *
+ * @experimental
+ */
+function assertToolsCallTaskCapability(requests, method, entityName) {
+    if (!requests) {
+        throw new Error(`${entityName} does not support task creation (required for ${method})`);
+    }
+    switch (method) {
+        case 'tools/call':
+            if (!requests.tools?.call) {
+                throw new Error(`${entityName} does not support task creation for tools/call (required for ${method})`);
+            }
+            break;
+        default:
+            // Method doesn't support tasks, which is fine - no error
+            break;
+    }
+}
+/**
+ * Asserts that task creation is supported for sampling/createMessage or elicitation/create.
+ * Used by Server.assertTaskCapability and Client.assertTaskHandlerCapability.
+ *
+ * @param requests - The task requests capability object
+ * @param method - The method being checked
+ * @param entityName - 'Server' or 'Client' for error messages
+ * @throws Error if the capability is not supported
+ *
+ * @experimental
+ */
+function assertClientRequestTaskCapability(requests, method, entityName) {
+    if (!requests) {
+        throw new Error(`${entityName} does not support task creation (required for ${method})`);
+    }
+    switch (method) {
+        case 'sampling/createMessage':
+            if (!requests.sampling?.createMessage) {
+                throw new Error(`${entityName} does not support task creation for sampling/createMessage (required for ${method})`);
+            }
+            break;
+        case 'elicitation/create':
+            if (!requests.elicitation?.create) {
+                throw new Error(`${entityName} does not support task creation for elicitation/create (required for ${method})`);
+            }
+            break;
+        default:
+            // Method doesn't support tasks, which is fine - no error
+            break;
+    }
+}
+//# sourceMappingURL=helpers.js.map