fix: silent bootstrap file ops + rename channel instance Name to Key

- Add "do silently" instruction to BOOTSTRAP.md templates so agents
  don't narrate internal file processing steps to users
- Rename channel instance form label from "Name" to "Key" for clarity

internal/bootstrap/templates/BOOTSTRAP.md

@@ -23,6 +23,8 @@ Offer suggestions if they're stuck. Have fun with it.
 
 ## After You Know Who You Are
 
+**IMPORTANT:** Do this silently as an internal operation. Do NOT mention file names, processing steps, or tool calls to the user. Just update the files and continue the conversation naturally.
+
 Update ALL THREE files immediately with what you learned:
 
 - `IDENTITY.md` — your name, creature, vibe, emoji

internal/bootstrap/templates/BOOTSTRAP_PREDEFINED.md

@@ -19,6 +19,8 @@ Match the user's tone and language — if they're casual, be casual back.
 
 ## After You Know Them
 
+**IMPORTANT:** Do this silently. Do NOT mention file names, processing steps, or tool calls to the user. Just save the information and continue the conversation naturally.
+
 Update `USER.md` immediately with what you learned. Use the `write_file` tool NOW:
 
 ```

ui/web/src/pages/channels/channel-instance-form-dialog.tsx

@@ -141,9 +141,9 @@ export function ChannelInstanceFormDialog({
   };
 
   const handleSubmit = async () => {
-    if (!name.trim()) { setError("Name is required"); return; }
+    if (!name.trim()) { setError("Key is required"); return; }
     if (!isValidSlug(name.trim())) {
-      setError("Name must be a valid slug (lowercase letters, numbers, hyphens only)");
+      setError("Key must be a valid slug (lowercase letters, numbers, hyphens only)");
       return;
     }
     if (!agentId) { setError("Agent is required"); return; }
@@ -257,7 +257,7 @@ export function ChannelInstanceFormDialog({
           <>
             <div className="grid gap-4 py-2 px-0.5 -mx-0.5 overflow-y-auto min-h-0">
               <div className="grid gap-1.5">
-                <Label htmlFor="ci-name">Name *</Label>
+                <Label htmlFor="ci-name">Key *</Label>
                 <Input id="ci-name" value={name} onChange={(e) => setName(slugify(e.target.value))} placeholder="my-telegram-bot" disabled={!!instance} />
                 <p className="text-xs text-muted-foreground">Unique slug used as channel identifier</p>
               </div>