feat(telegram): add silent message option (#2382)

* feat(telegram): add silent message option (disable_notification)

Add support for sending Telegram messages silently without notification
sound via the `silent` parameter on the message tool.

Changes:
- Add `silent` boolean to message tool schema
- Extract and pass `silent` through telegram plugin
- Add `disable_notification: true` to Telegram API calls
- Add `--silent` flag to CLI `message send` command
- Add unit test for silent flag

Closes #2249

AI-assisted (Claude) - fully tested with unit tests + manual Telegram testing

* feat(telegram): add silent send option (#2382) (thanks @Suksham-sharma)

---------

Co-authored-by: Pocket Clawd <pocket@Pockets-Mac-mini.local>

src/config/zod-schema.agent-runtime.ts

@@ -159,7 +159,8 @@ export const ToolPolicySchema = ToolPolicyBaseSchema.superRefine((value, ctx) =>
   if (value.allow && value.allow.length > 0 && value.alsoAllow && value.alsoAllow.length > 0) {
     ctx.addIssue({
       code: z.ZodIssueCode.custom,
-      message: "tools policy cannot set both allow and alsoAllow in the same scope (merge alsoAllow into allow, or remove allow and use profile + alsoAllow)",
+      message:
+        "tools policy cannot set both allow and alsoAllow in the same scope (merge alsoAllow into allow, or remove allow and use profile + alsoAllow)",
     });
   }
 }).optional();