feat(commands): unify chat commands (#275)

* Chat commands: registry, access groups, Carbon

* Chat commands: clear native commands on disable

* fix(commands): align command surface typing

* docs(changelog): note commands registry (PR #275)

---------

Co-authored-by: Peter Steinberger <steipete@gmail.com>

src/auto-reply/command-detection.ts

@@ -1,22 +1,20 @@
-const CONTROL_COMMAND_RE =
-  /(?:^|\s)\/(?:status|help|thinking|think|t|verbose|v|elevated|elev|model|queue|activation|send|restart|reset|new|compact)(?=$|\s|:)\b/i;
-
-const CONTROL_COMMAND_EXACT = new Set([
-  "/help",
-  "/status",
-  "/restart",
-  "/activation",
-  "/send",
-  "/reset",
-  "/new",
-  "/compact",
-]);
+import { listChatCommands } from "./commands-registry.js";
 
 export function hasControlCommand(text?: string): boolean {
   if (!text) return false;
   const trimmed = text.trim();
   if (!trimmed) return false;
   const lowered = trimmed.toLowerCase();
-  if (CONTROL_COMMAND_EXACT.has(lowered)) return true;
-  return CONTROL_COMMAND_RE.test(text);
+  for (const command of listChatCommands()) {
+    for (const alias of command.textAliases) {
+      const normalized = alias.trim().toLowerCase();
+      if (!normalized) continue;
+      if (lowered === normalized) return true;
+      if (command.acceptsArgs && lowered.startsWith(normalized)) {
+        const nextChar = trimmed.charAt(normalized.length);
+        if (nextChar && /\s/.test(nextChar)) return true;
+      }
+    }
+  }
+  return false;
 }