refactor: simplify pruning tool name from 'prune (DCP)' to 'prune'

The shorter name is cleaner and easier to type while still being descriptive.
Updates tool registration, default protected tools list, and config template comment.

Author: Tarquinen

index.ts

@@ -88,7 +88,7 @@ const plugin: Plugin = (async (ctx) => {
         event: createEventHandler(ctx.client, janitor, logger, config, toolTracker),
         "chat.params": createChatParamsHandler(ctx.client, state, logger),
         tool: config.strategies.onTool.length > 0 ? {
-            "prune (DCP)": createPruningTool(janitor, config, toolTracker),
+            prune: createPruningTool(janitor, config, toolTracker),
         } : undefined,
     }
 }) satisfies Plugin

lib/config.ts

@@ -30,7 +30,7 @@ export interface ConfigResult {
 const defaultConfig: PluginConfig = {
     enabled: true,
     debug: false,
-    protectedTools: ['task', 'todowrite', 'todoread', 'prune (DCP)'],
+    protectedTools: ['task', 'todowrite', 'todoread', 'prune'],
     showModelErrorToasts: true,
     strictModelSelection: false,
     pruning_summary: 'detailed',
@@ -123,7 +123,7 @@ function createDefaultConfig(): void {
   "pruning_summary": "detailed",
   // How often to nudge the AI to prune (every N tool results, 0 = disabled)
   "nudge_freq": 10
-  // Additional tools to protect from pruning (merged with built-in: task, todowrite, todoread, prune (DCP))
+  // Additional tools to protect from pruning (merged with built-in: task, todowrite, todoread, prune)
   // "protectedTools": ["bash"]
 }
 `