chore: cleanup changelog and pre exit

.changeset/mean-planes-wave.md

@@ -10,7 +10,7 @@ This release introduces official Claude Code plugin support, marking the evoluti
 
 Task Master AI commands and agents are now distributed as a proper Claude Code plugin:
 
-- **49 slash commands** with clean naming (`/task-master-ai:command-name`)
+- **49 slash commands** with clean naming (`/taskmaster:command-name`)
 - **3 specialized AI agents** (task-orchestrator, task-executor, task-checker)
 - **MCP server integration** for deep Claude Code integration
 

.changeset/pre.json

@@ -1,5 +1,5 @@
 {
-  "mode": "pre",
+  "mode": "exit",
   "tag": "rc",
   "initialVersions": {
     "task-master-ai": "0.28.0",