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/zod/src/v3/tests/safeparse.test.ts

@@ -0,0 +1,27 @@
+// @ts-ignore TS6133
+import { expect, test } from "vitest";
+
+import * as z from "zod/v3";
+const stringSchema = z.string();
+
+test("safeparse fail", () => {
+  const safe = stringSchema.safeParse(12);
+  expect(safe.success).toEqual(false);
+  expect(safe.error).toBeInstanceOf(z.ZodError);
+});
+
+test("safeparse pass", () => {
+  const safe = stringSchema.safeParse("12");
+  expect(safe.success).toEqual(true);
+  expect(safe.data).toEqual("12");
+});
+
+test("safeparse unexpected error", () => {
+  expect(() =>
+    stringSchema
+      .refine((data) => {
+        throw new Error(data);
+      })
+      .safeParse("12")
+  ).toThrow();
+});