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-to-json-schema/dist/esm/parsers/set.js

@@ -0,0 +1,20 @@
+import { setResponseValueAndErrors } from "../errorMessages.js";
+import { parseDef } from "../parseDef.js";
+export function parseSetDef(def, refs) {
+    const items = parseDef(def.valueType._def, {
+        ...refs,
+        currentPath: [...refs.currentPath, "items"],
+    });
+    const schema = {
+        type: "array",
+        uniqueItems: true,
+        items,
+    };
+    if (def.minSize) {
+        setResponseValueAndErrors(schema, "minItems", def.minSize.value, def.minSize.message, refs);
+    }
+    if (def.maxSize) {
+        setResponseValueAndErrors(schema, "maxItems", def.maxSize.value, def.maxSize.message, refs);
+    }
+    return schema;
+}