Complete room -> channel rename

frontend/src/test/contactInfoPane.test.tsx

@@ -150,7 +150,7 @@ describe('ContactInfoPane', () => {
     });
   });
 
-  it('loads name-only channel stats and most active rooms', async () => {
+  it('loads name-only channel stats and most active channels', async () => {
     getContactAnalytics.mockResolvedValue(
       createAnalytics(null, {
         lookup_type: 'name',
@@ -188,7 +188,7 @@ describe('ContactInfoPane', () => {
       expect(screen.getByText('Name First In Use')).toBeInTheDocument();
       expect(screen.getByText('Messages Per Hour')).toBeInTheDocument();
       expect(screen.getByText('Messages Per Week')).toBeInTheDocument();
-      expect(screen.getByText('Most Active Rooms')).toBeInTheDocument();
+      expect(screen.getByText('Most Active Channels')).toBeInTheDocument();
       expect(screen.getByText('#ops')).toBeInTheDocument();
       expect(
         screen.getByText(/Name-only analytics include channel messages only/i)

frontend/src/test/newMessageModal.test.tsx

@@ -105,13 +105,13 @@ describe('NewMessageModal form reset', () => {
     });
   });
 
-  describe('new-room tab', () => {
+  describe('new-channel tab', () => {
     it('clears name and key after successful Create', async () => {
       const user = userEvent.setup();
       renderModal();
       await switchToTab(user, 'Private Channel');
 
-      await user.type(screen.getByPlaceholderText('Room name'), 'MyRoom');
+      await user.type(screen.getByPlaceholderText('Channel name'), 'MyRoom');
       await user.type(screen.getByPlaceholderText('Pre-shared key (hex)'), 'cc'.repeat(16));
 
       await user.click(screen.getByRole('button', { name: 'Create' }));
@@ -128,7 +128,7 @@ describe('NewMessageModal form reset', () => {
       renderModal();
       await switchToTab(user, 'Private Channel');
 
-      await user.type(screen.getByPlaceholderText('Room name'), 'MyRoom');
+      await user.type(screen.getByPlaceholderText('Channel name'), 'MyRoom');
       await user.type(screen.getByPlaceholderText('Pre-shared key (hex)'), 'cc'.repeat(16));
       await user.click(screen.getByRole('button', { name: 'Create' }));
 
@@ -142,7 +142,7 @@ describe('NewMessageModal form reset', () => {
   });
 
   describe('tab switching resets form', () => {
-    it('clears contact fields when switching to room tab', async () => {
+    it('clears contact fields when switching to channel tab', async () => {
       const user = userEvent.setup();
       renderModal();
       await switchToTab(user, 'Contact');
@@ -153,18 +153,18 @@ describe('NewMessageModal form reset', () => {
       // Switch to Private Channel tab — fields should reset
       await switchToTab(user, 'Private Channel');
 
-      expect((screen.getByPlaceholderText('Room name') as HTMLInputElement).value).toBe('');
+      expect((screen.getByPlaceholderText('Channel name') as HTMLInputElement).value).toBe('');
       expect((screen.getByPlaceholderText('Pre-shared key (hex)') as HTMLInputElement).value).toBe(
         ''
       );
     });
 
-    it('clears room fields when switching to hashtag tab', async () => {
+    it('clears channel fields when switching to hashtag tab', async () => {
       const user = userEvent.setup();
       renderModal();
       await switchToTab(user, 'Private Channel');
 
-      await user.type(screen.getByPlaceholderText('Room name'), 'SecretRoom');
+      await user.type(screen.getByPlaceholderText('Channel name'), 'SecretRoom');
       await user.type(screen.getByPlaceholderText('Pre-shared key (hex)'), 'ff'.repeat(16));
 
       await switchToTab(user, 'Hashtag Channel');

frontend/src/test/rawPacketFeedView.test.tsx

@@ -361,7 +361,7 @@ describe('RawPacketFeedView', () => {
     expect(screen.queryByText('Identity not resolvable')).not.toBeInTheDocument();
   });
 
-  it('opens a packet detail modal from the raw feed and decrypts room messages when a key is loaded', () => {
+  it('opens a packet detail modal from the raw feed and decrypts channel messages when a key is loaded', () => {
     renderView({
       packets: [
         {
@@ -392,7 +392,7 @@ describe('RawPacketFeedView', () => {
     ).toBeInTheDocument();
   });
 
-  it('does not guess a room name when multiple loaded channels collide on the group hash', () => {
+  it('does not guess a channel name when multiple loaded channels collide on the group hash', () => {
     renderView({
       packets: [
         {