feat: add update-profile command to change account name

packages/murmur-cli/src/cli.ts

@@ -367,6 +367,7 @@ function printUsage(): void {
     const lines = [
         'Usage:',
         '  murmur sign-in [--first-name <name>] [--last-name <name>]',
+        '  murmur update-profile --first-name <name> [--last-name <name>]',
         '  murmur me',
         '  murmur delete-account --confirm',
         '  murmur contacts',
@@ -519,6 +520,7 @@ type WebhookContext = {
     senderId: string
     senderIdentityKey: string
     senderName: string
+    text: string
     receivedAt: number
     hasAttachments: boolean
 }
@@ -594,6 +596,7 @@ async function emitWebhook(
             senderId: formatWebhookSenderId(contact, message.conversationId),
             senderIdentityKey: message.conversationId,
             senderName: formatName(contact?.firstName, contact?.lastName, 'Unknown'),
+            text: message.text,
             receivedAt: message.createdAt,
             hasAttachments: Boolean(message.attachments && message.attachments.length > 0)
         }
@@ -698,6 +701,14 @@ async function run(): Promise<void> {
                 console.log(JSON.stringify(profile, null, 2))
                 return
             }
+            case 'update-profile': {
+                await requireInitialized(getEngine())
+                const firstName = requireStringOption(parsed.options, 'first-name', 'MURMUR_FIRST_NAME')
+                const lastName = readStringOption(parsed.options, 'last-name', 'MURMUR_LAST_NAME')
+                const account = await getEngine().updateProfile(firstName, lastName)
+                printAccountSummary('Profile updated.', account)
+                return
+            }
             case 'delete-account': {
                 await requireInitialized(getEngine())
                 const confirmed = readBooleanOption(parsed.options, 'confirm', 'MURMUR_CONFIRM_DELETE')

packages/murmur-cli/src/engine/engine.ts

@@ -47,6 +47,7 @@ import {
     decryptProfile,
     createProfileForRegistration,
     verifyProfileKeySignature,
+    signProfileKey,
     type Profile
 } from './profile.js'
 import { publicKeyFromPrivate } from '../encryption/crypto/dh.js'
@@ -521,6 +522,45 @@ export class MurmurEngine {
         return this.account
     }
 
+    /**
+     * Update the current account's profile (firstName, lastName).
+     */
+    async updateProfile(firstName: string, lastName?: string): Promise<Account> {
+        if (!this.agent || !this.account) {
+            throw new Error('Not initialized')
+        }
+
+        // Create new encrypted profile
+        const profile: Profile = { firstName, lastName }
+        const profileSecretKeyBytes = decodeBase64(this.account.profileSecretKey, 'base64url')
+        const profilePublicKeyBytes = decodeBase64(this.account.profilePublicKey)
+        const encryptedProfile = encryptProfile(profile, profileSecretKeyBytes)
+        const profileKeySignature = signProfileKey(
+            profilePublicKeyBytes,
+            this.agent.keyStore.identityKeyPair.privateKey
+        )
+
+        // Upload to server
+        await this.api.updateProfile(
+            this.account.profilePublicKey,
+            profileKeySignature,
+            encryptedProfile
+        )
+
+        // Update local account
+        this.account = {
+            ...this.account,
+            firstName,
+            lastName,
+            encryptedProfile
+        }
+
+        // Save to database
+        this.db.saveAccount(this.account)
+
+        return this.account
+    }
+
     /**
      * Delete the current account and local data.
      */