feat: add cross-context messaging resolver

Co-authored-by: Thinh Dinh <tobalsan@users.noreply.github.com>

src/cli/program/message/register.broadcast.ts

@@ -0,0 +1,18 @@
+import type { Command } from "commander";
+import type { MessageCliHelpers } from "./helpers.js";
+
+export function registerMessageBroadcastCommand(message: Command, helpers: MessageCliHelpers) {
+  helpers
+    .withMessageBase(
+      message.command("broadcast").description("Broadcast a message to multiple targets"),
+    )
+    .requiredOption(
+      "--targets <target...>",
+      "Targets to broadcast to (repeatable, accepts names or ids)",
+    )
+    .option("--message <text>", "Message to send")
+    .option("--media <url>", "Media URL")
+    .action(async (options: Record<string, unknown>) => {
+      await helpers.runMessageAction("broadcast", options);
+    });
+}

src/cli/program/register.message.ts

@@ -18,6 +18,7 @@ import { registerMessageReactionsCommands } from "./message/register.reactions.j
 import { registerMessageReadEditDeleteCommands } from "./message/register.read-edit-delete.js";
 import { registerMessageSendCommand } from "./message/register.send.js";
 import { registerMessageThreadCommands } from "./message/register.thread.js";
+import { registerMessageBroadcastCommand } from "./message/register.broadcast.js";
 
 export function registerMessageCommands(program: Command, ctx: ProgramContext) {
   const message = program
@@ -41,6 +42,7 @@ ${theme.muted("Docs:")} ${formatDocsLink("/cli/message", "docs.clawd.bot/cli/mes
 
   const helpers = createMessageCliHelpers(message, ctx.messageChannelOptions);
   registerMessageSendCommand(message, helpers);
+  registerMessageBroadcastCommand(message, helpers);
   registerMessagePollCommand(message, helpers);
   registerMessageReactionsCommands(message, helpers);
   registerMessageReadEditDeleteCommands(message, helpers);