Mobile layout (#5241)

* phase 2+3

* initial mobile plugin (phases 4 + 5 + 6)

* some bugfixes

* implement stage 7

* mobile interface improvements

* improve mobile pane/tab picker

* more ui improvements and fixes

* various mobile fixes

* some mobile fixes

* mobile keyboard triggering fix

* some cleanups

* initial plugin keyboard implementation

* improve keyboard hit zones

* improve keyboard

* pinch resize

* pinching fixes

* implement scrolling + panning

* initial keyboard resizing

* fix: mobile first render issues

* keyboard responsiveness

* fix some issues with the keyboard

* implement fit

* fix mobile scrolling

* add tilde cell to compact

* improve mobile keyboard

* fix starting mobile terminal font to natural keyboard size

* fix mobile resize blank screen flash

* shadow focus for mobile

* more keyboard fixes

* improve mobile status bar

* fix: render plugins to mobile clients

* allow opening new panes/tabs from the mobile plugin

* allow configuring

* fix dot slash

* improve mobile native soft keyboard interaction

* switch to native keyboard - initial implementation

* dirty hacks, but phone keyboard works now

* adjust keyboard help strip

* fix cursor in mobile

* fix keyboard and help line

* rename keyboard to modifier bar

* allow starting new session

* make clicking session name bring us to new session menu

* allow switching to desktop from the mobile ui

* mobile welcome screen initial implementation

* mobile welcome screen fixes

* various welcome screen fixes

* more mobile fixes

* moar mobile fixes

* mobile ui redesign

* fix: swallowed backspace bug

* switch session screen improvement

* touch up some interfaces

* refactor: move mobile state to own struct

* refactor: move fit resizing to the server

* remove dead flash code

* some cleanups

* refactor: clear fit on close

* refactor: improve fit api

* refactor: pane sync functions

* refactor: mouse

* refactor: break into modules

* some cleanups for the sessions screen

* fix scrolling and other stuff

* refactor: sessions screen

* refactor: panes screen

* refactor: new session screen

* refactor: menu screen

* refactor: render

* cleanups

* refactor: plugin structure

* remove unused welcome screen path

* Rename api

* refactor input.js

* cleanup useless comments

* fit/mobile refactoring

* take out the garbage

* remove more comments

* remove mobile flash on startup/attach

* fix: various mobile startup issues

* fix space bugs

* cleanup

* rustfmt

* fix windows build

* adjust modifier bar ui

* add pr

43 files changed, 1598 insertions, 230 deletions

diff --git a/zellij-utils/assets/config/default.kdl b/zellij-utils/assets/config/default.kdl
index 3ea42850..61aa4bb8 100644
--- a/zellij-utils/assets/config/default.kdl
+++ b/zellij-utils/assets/config/default.kdl
@@ -242,6 +242,7 @@ plugins {
     configuration location="zellij:configuration"
     plugin-manager location="zellij:plugin-manager"
     about location="zellij:about"
+    mobile location="zellij:mobile"
 }
 
 // Plugins to load in the background when a new session starts
diff --git a/zellij-utils/assets/plugins/mobile.wasm b/zellij-utils/assets/plugins/mobile.wasm
new file mode 100755
index 00000000..d31d600e
--- /dev/null
+++ b/zellij-utils/assets/plugins/mobile.wasm
diff --git a/zellij-utils/assets/prost/api.action.rs b/zellij-utils/assets/prost/api.action.rs
index 17bdc9c0..8d331b60 100644
--- a/zellij-utils/assets/prost/api.action.rs
+++ b/zellij-utils/assets/prost/api.action.rs
@@ -793,6 +793,10 @@ pub struct MouseEventPayload {
     pub line: i64,
     #[prost(int64, tag="11")]
     pub column: i64,
+    #[prost(bool, tag="12")]
+    pub wheel_left: bool,
+    #[prost(bool, tag="13")]
+    pub wheel_right: bool,
 }
 #[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
diff --git a/zellij-utils/assets/prost/api.event.rs b/zellij-utils/assets/prost/api.event.rs
index 38976384..eadb9394 100644
--- a/zellij-utils/assets/prost/api.event.rs
+++ b/zellij-utils/assets/prost/api.event.rs
@@ -9,7 +9,7 @@ pub struct EventNameList {
 pub struct Event {
     #[prost(enumeration="EventType", tag="1")]
     pub name: i32,
-    #[prost(oneof="event::Payload", tags="2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40")]
+    #[prost(oneof="event::Payload", tags="2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41")]
     pub payload: ::core::option::Option<event::Payload>,
 }
 /// Nested message and enum types in `Event`.
@@ -95,6 +95,8 @@ pub mod event {
         CommandChangedPayload(super::CommandChangedPayload),
         #[prost(message, tag="40")]
         HostTerminalThemeChangedPayload(super::HostTerminalThemeChangedPayload),
+        #[prost(message, tag="41")]
+        SoftKeyboardVisibilityChangedPayload(super::SoftKeyboardVisibilityChangedPayload),
     }
 }
 #[allow(clippy::derive_partial_eq_without_eq)]
@@ -105,6 +107,12 @@ pub struct HostTerminalThemeChangedPayload {
 }
 #[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
+pub struct SoftKeyboardVisibilityChangedPayload {
+    #[prost(bool, tag="1")]
+    pub visible: bool,
+}
+#[allow(clippy::derive_partial_eq_without_eq)]
+#[derive(Clone, PartialEq, ::prost::Message)]
 pub struct CwdChangedPayload {
     #[prost(message, optional, tag="1")]
     pub pane_id: ::core::option::Option<PaneId>,
@@ -703,6 +711,8 @@ pub struct PaneContents {
     pub lines_above_viewport: ::prost::alloc::vec::Vec<::prost::alloc::string::String>,
     #[prost(string, repeated, tag="4")]
     pub lines_below_viewport: ::prost::alloc::vec::Vec<::prost::alloc::string::String>,
+    #[prost(message, optional, tag="5")]
+    pub cursor: ::core::option::Option<super::action::Position>,
 }
 #[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
@@ -839,6 +849,7 @@ pub enum EventType {
     InitialKeybinds = 44,
     CommandChanged = 45,
     HostTerminalThemeChanged = 46,
+    SoftKeyboardVisibilityChanged = 47,
 }
 impl EventType {
     /// String value of the enum field names used in the ProtoBuf definition.
@@ -893,6 +904,7 @@ impl EventType {
             EventType::InitialKeybinds => "InitialKeybinds",
             EventType::CommandChanged => "CommandChanged",
             EventType::HostTerminalThemeChanged => "HostTerminalThemeChanged",
+            EventType::SoftKeyboardVisibilityChanged => "SoftKeyboardVisibilityChanged",
         }
     }
     /// Creates an enum from field names used in the ProtoBuf definition.
@@ -944,6 +956,7 @@ impl EventType {
             "InitialKeybinds" => Some(Self::InitialKeybinds),
             "CommandChanged" => Some(Self::CommandChanged),
             "HostTerminalThemeChanged" => Some(Self::HostTerminalThemeChanged),
+            "SoftKeyboardVisibilityChanged" => Some(Self::SoftKeyboardVisibilityChanged),
             _ => None,
         }
     }
@@ -1069,6 +1082,8 @@ pub enum MouseEventName {
     MouseHold = 4,
     MouseRelease = 5,
     MouseHover = 6,
+    MouseScrollLeft = 7,
+    MouseScrollRight = 8,
 }
 impl MouseEventName {
     /// String value of the enum field names used in the ProtoBuf definition.
@@ -1084,6 +1099,8 @@ impl MouseEventName {
             MouseEventName::MouseHold => "MouseHold",
             MouseEventName::MouseRelease => "MouseRelease",
             MouseEventName::MouseHover => "MouseHover",
+            MouseEventName::MouseScrollLeft => "MouseScrollLeft",
+            MouseEventName::MouseScrollRight => "MouseScrollRight",
         }
     }
     /// Creates an enum from field names used in the ProtoBuf definition.
@@ -1096,6 +1113,8 @@ impl MouseEventName {
             "MouseHold" => Some(Self::MouseHold),
             "MouseRelease" => Some(Self::MouseRelease),
             "MouseHover" => Some(Self::MouseHover),
+            "MouseScrollLeft" => Some(Self::MouseScrollLeft),
+            "MouseScrollRight" => Some(Self::MouseScrollRight),
             _ => None,
         }
     }
diff --git a/zellij-utils/assets/prost/api.plugin_command.rs b/zellij-utils/assets/prost/api.plugin_command.rs
index 1cb4e5d0..b43bd004 100644
--- a/zellij-utils/assets/prost/api.plugin_command.rs
+++ b/zellij-utils/assets/prost/api.plugin_command.rs
@@ -3,7 +3,7 @@
 pub struct PluginCommand {
     #[prost(enumeration="CommandName", tag="1")]
     pub name: i32,
-    #[prost(oneof="plugin_command::Payload", tags="2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 119, 120, 121, 122, 123, 124, 125, 126, 127, 128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142, 143, 144, 145, 146, 147, 148, 149, 150, 151, 152, 153, 154, 155, 156, 157, 158, 159, 160, 161, 162, 163")]
+    #[prost(oneof="plugin_command::Payload", tags="2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 119, 120, 121, 122, 123, 124, 125, 126, 127, 128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142, 143, 144, 145, 146, 147, 148, 149, 150, 151, 152, 153, 154, 155, 156, 157, 158, 159, 160, 161, 162, 163, 164, 165, 167, 168, 169")]
     pub payload: ::core::option::Option<plugin_command::Payload>,
 }
 /// Nested message and enum types in `PluginCommand`.
@@ -309,6 +309,16 @@ pub mod plugin_command {
         KillSessionsAndReplyPayload(super::KillSessionsPayload),
         #[prost(string, tag="163")]
         DeleteDeadSessionAndReplyPayload(::prost::alloc::string::String),
+        #[prost(message, tag="164")]
+        SetSoftKeyboardPayload(super::SetSoftKeyboardPayload),
+        #[prost(message, tag="165")]
+        SetTabFitPayload(super::SetTabFitPayload),
+        #[prost(message, tag="167")]
+        SetShadowFocusPayload(super::PaneId),
+        #[prost(message, tag="168")]
+        NewTabUnfocusedPayload(super::NewTabUnfocusedPayload),
+        #[prost(message, tag="169")]
+        NewTiledPaneInTabPayload(super::NewTiledPaneInTabPayload),
     }
 }
 #[allow(clippy::derive_partial_eq_without_eq)]
@@ -321,6 +331,20 @@ pub struct NewTabPayload {
 }
 #[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
+pub struct NewTabUnfocusedPayload {
+    #[prost(string, optional, tag="1")]
+    pub name: ::core::option::Option<::prost::alloc::string::String>,
+    #[prost(string, optional, tag="2")]
+    pub cwd: ::core::option::Option<::prost::alloc::string::String>,
+}
+#[allow(clippy::derive_partial_eq_without_eq)]
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct NewTiledPaneInTabPayload {
+    #[prost(uint32, tag="1")]
+    pub tab_position: u32,
+}
+#[allow(clippy::derive_partial_eq_without_eq)]
+#[derive(Clone, PartialEq, ::prost::Message)]
 pub struct DumpSessionLayoutPayload {
     #[prost(uint32, optional, tag="1")]
     pub tab_index: ::core::option::Option<u32>,
@@ -1483,6 +1507,29 @@ pub mod new_tab_response {
 }
 #[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
+pub struct NewTabUnfocusedResponse {
+    #[prost(oneof="new_tab_unfocused_response::Result", tags="1, 2")]
+    pub result: ::core::option::Option<new_tab_unfocused_response::Result>,
+}
+/// Nested message and enum types in `NewTabUnfocusedResponse`.
+pub mod new_tab_unfocused_response {
+    #[allow(clippy::derive_partial_eq_without_eq)]
+#[derive(Clone, PartialEq, ::prost::Oneof)]
+    pub enum Result {
+        #[prost(uint64, tag="1")]
+        TabId(u64),
+        #[prost(bool, tag="2")]
+        None(bool),
+    }
+}
+#[allow(clippy::derive_partial_eq_without_eq)]
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct NewTiledPaneInTabResponse {
+    #[prost(message, optional, tag="1")]
+    pub pane_id: ::core::option::Option<PaneId>,
+}
+#[allow(clippy::derive_partial_eq_without_eq)]
+#[derive(Clone, PartialEq, ::prost::Message)]
 pub struct NewTabsResponse {
     /// Only includes successfully created tabs
     #[prost(uint64, repeated, tag="1")]
@@ -1955,6 +2002,30 @@ pub struct DeleteAllDeadSessionsResponse {
     #[prost(string, optional, tag="1")]
     pub error: ::core::option::Option<::prost::alloc::string::String>,
 }
+#[allow(clippy::derive_partial_eq_without_eq)]
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct SetSoftKeyboardPayload {
+    #[prost(bool, tag="1")]
+    pub on: bool,
+}
+#[allow(clippy::derive_partial_eq_without_eq)]
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct Size {
+    #[prost(uint32, tag="1")]
+    pub rows: u32,
+    #[prost(uint32, tag="2")]
+    pub cols: u32,
+}
+#[allow(clippy::derive_partial_eq_without_eq)]
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct SetTabFitPayload {
+    #[prost(uint32, tag="1")]
+    pub tab_id: u32,
+    #[prost(message, optional, tag="2")]
+    pub pane_id: ::core::option::Option<PaneId>,
+    #[prost(message, optional, tag="3")]
+    pub size: ::core::option::Option<Size>,
+}
 #[derive(Clone, Copy, Debug, PartialEq, Eq, Hash, PartialOrd, Ord, ::prost::Enumeration)]
 #[repr(i32)]
 pub enum CommandName {
@@ -2152,6 +2223,12 @@ pub enum CommandName {
     KillSessionsAndReply = 212,
     DeleteDeadSessionAndReply = 213,
     DeleteAllDeadSessionsAndReply = 214,
+    SetSoftKeyboard = 215,
+    SetTabFit = 216,
+    SetShadowFocus = 219,
+    NewTabUnfocused = 220,
+    NewTiledPaneInTab = 221,
+    ExitMobileMode = 222,
 }
 impl CommandName {
     /// String value of the enum field names used in the ProtoBuf definition.
@@ -2354,6 +2431,12 @@ impl CommandName {
             CommandName::KillSessionsAndReply => "KillSessionsAndReply",
             CommandName::DeleteDeadSessionAndReply => "DeleteDeadSessionAndReply",
             CommandName::DeleteAllDeadSessionsAndReply => "DeleteAllDeadSessionsAndReply",
+            CommandName::SetSoftKeyboard => "SetSoftKeyboard",
+            CommandName::SetTabFit => "SetTabFit",
+            CommandName::SetShadowFocus => "SetShadowFocus",
+            CommandName::NewTabUnfocused => "NewTabUnfocused",
+            CommandName::NewTiledPaneInTab => "NewTiledPaneInTab",
+            CommandName::ExitMobileMode => "ExitMobileMode",
         }
     }
     /// Creates an enum from field names used in the ProtoBuf definition.
@@ -2553,6 +2636,12 @@ impl CommandName {
             "KillSessionsAndReply" => Some(Self::KillSessionsAndReply),
             "DeleteDeadSessionAndReply" => Some(Self::DeleteDeadSessionAndReply),
             "DeleteAllDeadSessionsAndReply" => Some(Self::DeleteAllDeadSessionsAndReply),
+            "SetSoftKeyboard" => Some(Self::SetSoftKeyboard),
+            "SetTabFit" => Some(Self::SetTabFit),
+            "SetShadowFocus" => Some(Self::SetShadowFocus),
+            "NewTabUnfocused" => Some(Self::NewTabUnfocused),
+            "NewTiledPaneInTab" => Some(Self::NewTiledPaneInTab),
+            "ExitMobileMode" => Some(Self::ExitMobileMode),
             _ => None,
         }
     }
diff --git a/zellij-utils/assets/prost_ipc/client_server_contract.rs b/zellij-utils/assets/prost_ipc/client_server_contract.rs
index 142609f7..4ef94968 100644
--- a/zellij-utils/assets/prost_ipc/client_server_contract.rs
+++ b/zellij-utils/assets/prost_ipc/client_server_contract.rs
@@ -119,7 +119,7 @@ pub struct RgbColor {
 #[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct Action {
-    #[prost(oneof="action::ActionType", tags="1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126, 127, 128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139")]
+    #[prost(oneof="action::ActionType", tags="1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126, 127, 128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140")]
     pub action_type: ::core::option::Option<action::ActionType>,
 }
 /// Nested message and enum types in `Action`.
@@ -407,6 +407,8 @@ pub mod action {
         SetLightTheme(super::SetLightThemeAction),
         #[prost(message, tag="139")]
         ToggleTheme(super::ToggleThemeAction),
+        #[prost(message, tag="140")]
+        ToggleMobileMode(super::ToggleMobileModeAction),
     }
 }
 // Action message definitions (all 92 variants)
@@ -586,6 +588,10 @@ pub struct ToggleMouseModeAction {
 }
 #[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
+pub struct ToggleMobileModeAction {
+}
+#[allow(clippy::derive_partial_eq_without_eq)]
+#[derive(Clone, PartialEq, ::prost::Message)]
 pub struct PreviousSwapLayoutAction {
 }
 #[allow(clippy::derive_partial_eq_without_eq)]
@@ -1706,6 +1712,10 @@ pub struct MouseEvent {
     pub ctrl: bool,
     #[prost(message, optional, tag="10")]
     pub position: ::core::option::Option<Position>,
+    #[prost(bool, tag="11")]
+    pub wheel_left: bool,
+    #[prost(bool, tag="12")]
+    pub wheel_right: bool,
 }
 #[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
@@ -1949,6 +1959,12 @@ pub struct Options {
     pub theme_dark: ::core::option::Option<::prost::alloc::string::String>,
     #[prost(string, optional, tag="47")]
     pub theme_light: ::core::option::Option<::prost::alloc::string::String>,
+    #[prost(enumeration="MobileLayout", optional, tag="48")]
+    pub mobile_layout: ::core::option::Option<i32>,
+    #[prost(uint32, optional, tag="49")]
+    pub mobile_threshold_cols: ::core::option::Option<u32>,
+    #[prost(uint32, optional, tag="50")]
+    pub mobile_threshold_rows: ::core::option::Option<u32>,
 }
 /// Pane-targeting action messages
 #[allow(clippy::derive_partial_eq_without_eq)]
@@ -2876,10 +2892,42 @@ impl WebSharing {
         }
     }
 }
+#[derive(Clone, Copy, Debug, PartialEq, Eq, Hash, PartialOrd, Ord, ::prost::Enumeration)]
+#[repr(i32)]
+pub enum MobileLayout {
+    Unspecified = 0,
+    Web = 1,
+    Always = 2,
+    Never = 3,
+}
+impl MobileLayout {
+    /// String value of the enum field names used in the ProtoBuf definition.
+    ///
+    /// The values are not transformed in any way and thus are considered stable
+    /// (if the ProtoBuf definition does not change) and safe for programmatic use.
+    pub fn as_str_name(&self) -> &'static str {
+        match self {
+            MobileLayout::Unspecified => "MOBILE_LAYOUT_UNSPECIFIED",
+            MobileLayout::Web => "MOBILE_LAYOUT_WEB",
+            MobileLayout::Always => "MOBILE_LAYOUT_ALWAYS",
+            MobileLayout::Never => "MOBILE_LAYOUT_NEVER",
+        }
+    }
+    /// Creates an enum from field names used in the ProtoBuf definition.
+    pub fn from_str_name(value: &str) -> ::core::option::Option<Self> {
+        match value {
+            "MOBILE_LAYOUT_UNSPECIFIED" => Some(Self::Unspecified),
+            "MOBILE_LAYOUT_WEB" => Some(Self::Web),
+            "MOBILE_LAYOUT_ALWAYS" => Some(Self::Always),
+            "MOBILE_LAYOUT_NEVER" => Some(Self::Never),
+            _ => None,
+        }
+    }
+}
 #[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct ClientToServerMsg {
-    #[prost(oneof="client_to_server_msg::Message", tags="1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20")]
+    #[prost(oneof="client_to_server_msg::Message", tags="1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21")]
     pub message: ::core::option::Option<client_to_server_msg::Message>,
 }
 /// Nested message and enum types in `ClientToServerMsg`.
@@ -2927,6 +2975,8 @@ pub mod client_to_server_msg {
         ForwardedReplyFromHost(super::ForwardedReplyFromHostMsg),
         #[prost(message, tag="20")]
         HostTerminalThemeChanged(super::HostTerminalThemeChangedMsg),
+        #[prost(message, tag="21")]
+        SoftKeyboardVisibilityChanged(super::SoftKeyboardVisibilityChangedMsg),
     }
 }
 #[allow(clippy::derive_partial_eq_without_eq)]
@@ -2964,6 +3014,8 @@ pub struct ColorRegistersMsg {
 pub struct TerminalResizeMsg {
     #[prost(message, optional, tag="1")]
     pub new_size: ::core::option::Option<Size>,
+    #[prost(enumeration="ResizeCause", tag="2")]
+    pub cause: i32,
 }
 #[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
@@ -3072,6 +3124,41 @@ pub struct HostTerminalThemeChangedMsg {
     #[prost(enumeration="HostTerminalThemeIndication", tag="1")]
     pub mode: i32,
 }
+#[allow(clippy::derive_partial_eq_without_eq)]
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct SoftKeyboardVisibilityChangedMsg {
+    #[prost(bool, tag="1")]
+    pub visible: bool,
+}
+#[derive(Clone, Copy, Debug, PartialEq, Eq, Hash, PartialOrd, Ord, ::prost::Enumeration)]
+#[repr(i32)]
+pub enum ResizeCause {
+    Viewport = 0,
+    RenderingPreference = 1,
+    SizeSettled = 2,
+}
+impl ResizeCause {
+    /// String value of the enum field names used in the ProtoBuf definition.
+    ///
+    /// The values are not transformed in any way and thus are considered stable
+    /// (if the ProtoBuf definition does not change) and safe for programmatic use.
+    pub fn as_str_name(&self) -> &'static str {
+        match self {
+            ResizeCause::Viewport => "RESIZE_CAUSE_VIEWPORT",
+            ResizeCause::RenderingPreference => "RESIZE_CAUSE_RENDERING_PREFERENCE",
+            ResizeCause::SizeSettled => "RESIZE_CAUSE_SIZE_SETTLED",
+        }
+    }
+    /// Creates an enum from field names used in the ProtoBuf definition.
+    pub fn from_str_name(value: &str) -> ::core::option::Option<Self> {
+        match value {
+            "RESIZE_CAUSE_VIEWPORT" => Some(Self::Viewport),
+            "RESIZE_CAUSE_RENDERING_PREFERENCE" => Some(Self::RenderingPreference),
+            "RESIZE_CAUSE_SIZE_SETTLED" => Some(Self::SizeSettled),
+            _ => None,
+        }
+    }
+}
 #[derive(Clone, Copy, Debug, PartialEq, Eq, Hash, PartialOrd, Ord, ::prost::Enumeration)]
 #[repr(i32)]
 pub enum HostTerminalThemeIndication {
@@ -3101,7 +3188,7 @@ impl HostTerminalThemeIndication {
 #[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct ServerToClientMsg {
-    #[prost(oneof="server_to_client_msg::Message", tags="1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16")]
+    #[prost(oneof="server_to_client_msg::Message", tags="1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17")]
     pub message: ::core::option::Option<server_to_client_msg::Message>,
 }
 /// Nested message and enum types in `ServerToClientMsg`.
@@ -3141,6 +3228,8 @@ pub mod server_to_client_msg {
         SubscribedPaneClosed(super::SubscribedPaneClosedMsg),
         #[prost(message, tag="16")]
         ForwardQueryToHost(super::ForwardQueryToHostMsg),
+        #[prost(message, tag="17")]
+        SetSoftKeyboard(super::SetSoftKeyboardMsg),
     }
 }
 #[allow(clippy::derive_partial_eq_without_eq)]
@@ -3248,3 +3337,9 @@ pub struct ForwardQueryToHostMsg {
     #[prost(bytes="vec", tag="2")]
     pub query_bytes: ::prost::alloc::vec::Vec<u8>,
 }
+#[allow(clippy::derive_partial_eq_without_eq)]
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct SetSoftKeyboardMsg {
+    #[prost(bool, tag="1")]
+    pub on: bool,
+}
diff --git a/zellij-utils/src/client_server_contract/client_to_server.proto b/zellij-utils/src/client_server_contract/client_to_server.proto
index 834feccd..bc7c0c06 100644
--- a/zellij-utils/src/client_server_contract/client_to_server.proto
+++ b/zellij-utils/src/client_server_contract/client_to_server.proto
@@ -25,6 +25,7 @@ message ClientToServerMsg {
     DesktopNotificationResponseMsg desktop_notification_response = 18;
     ForwardedReplyFromHostMsg forwarded_reply_from_host = 19;
     HostTerminalThemeChangedMsg host_terminal_theme_changed = 20;
+    SoftKeyboardVisibilityChangedMsg soft_keyboard_visibility_changed = 21;
   }
 }
 
@@ -50,6 +51,13 @@ message ColorRegistersMsg {
 
 message TerminalResizeMsg {
   Size new_size = 1;
+  ResizeCause cause = 2;
+}
+
+enum ResizeCause {
+  RESIZE_CAUSE_VIEWPORT = 0;
+  RESIZE_CAUSE_RENDERING_PREFERENCE = 1;
+  RESIZE_CAUSE_SIZE_SETTLED = 2;
 }
 
 message FirstClientConnectedMsg {
@@ -125,3 +133,7 @@ enum HostTerminalThemeIndication {
   HOST_TERMINAL_THEME_INDICATION_DARK = 0;
   HOST_TERMINAL_THEME_INDICATION_LIGHT = 1;
 }
+
+message SoftKeyboardVisibilityChangedMsg {
+  bool visible = 1;
+}
diff --git a/zellij-utils/src/client_server_contract/common_types.proto b/zellij-utils/src/client_server_contract/common_types.proto
index b592eb8d..1dfc3994 100644
--- a/zellij-utils/src/client_server_contract/common_types.proto
+++ b/zellij-utils/src/client_server_contract/common_types.proto
@@ -277,6 +277,7 @@ message Action {
     SetDarkThemeAction set_dark_theme = 137;
     SetLightThemeAction set_light_theme = 138;
     ToggleThemeAction toggle_theme = 139;
+    ToggleMobileModeAction toggle_mobile_mode = 140;
   }
 }
 
@@ -332,6 +333,7 @@ message CopyAction {}
 message ConfirmAction {}
 message DenyAction {}
 message ToggleMouseModeAction {}
+message ToggleMobileModeAction {}
 message PreviousSwapLayoutAction {}
 message NextSwapLayoutAction {}
 message TabLayoutInfo {
@@ -1012,6 +1014,8 @@ message MouseEvent {
   bool alt = 8;
   bool ctrl = 9;
   Position position = 10;
+  bool wheel_left = 11;
+  bool wheel_right = 12;
 }
 
 enum MouseEventType {
@@ -1174,6 +1178,9 @@ message Options {
   optional bool mouse_click_through = 45;
   optional string theme_dark = 46;
   optional string theme_light = 47;
+  optional MobileLayout mobile_layout = 48;
+  optional uint32 mobile_threshold_cols = 49;
+  optional uint32 mobile_threshold_rows = 50;
 }
 
 enum OnForceClose {
@@ -1201,6 +1208,13 @@ enum WebSharing {
   WEB_SHARING_DISABLED = 3;
 }
 
+enum MobileLayout {
+  MOBILE_LAYOUT_UNSPECIFIED = 0;
+  MOBILE_LAYOUT_WEB = 1;
+  MOBILE_LAYOUT_ALWAYS = 2;
+  MOBILE_LAYOUT_NEVER = 3;
+}
+
 // Pane-targeting action messages
 message ScrollUpByPaneIdAction { PaneId pane_id = 1; }
 message ScrollDownByPaneIdAction { PaneId pane_id = 1; }
diff --git a/zellij-utils/src/client_server_contract/server_to_client.proto b/zellij-utils/src/client_server_contract/server_to_client.proto
index b2fc3bd6..a8c4779d 100644
--- a/zellij-utils/src/client_server_contract/server_to_client.proto
+++ b/zellij-utils/src/client_server_contract/server_to_client.proto
@@ -21,6 +21,7 @@ message ServerToClientMsg {
     PaneRenderUpdateMsg pane_render_update = 14;
     SubscribedPaneClosedMsg subscribed_pane_closed = 15;
     ForwardQueryToHostMsg forward_query_to_host = 16;
+    SetSoftKeyboardMsg set_soft_keyboard = 17;
   }
 }
 
@@ -94,3 +95,7 @@ message ForwardQueryToHostMsg {
   uint32 token = 1;
   bytes query_bytes = 2;
 }
+
+message SetSoftKeyboardMsg {
+  bool on = 1;
+}
diff --git a/zellij-utils/src/consts.rs b/zellij-utils/src/consts.rs
index 0e8b5112..2b3982b0 100644
--- a/zellij-utils/src/consts.rs
+++ b/zellij-utils/src/consts.rs
@@ -171,16 +171,12 @@ mod not_wasm {
             add_plugin!(assets, "multiple-select.wasm");
             add_plugin!(assets, "layout-manager.wasm");
             add_plugin!(assets, "link.wasm");
+            add_plugin!(assets, "mobile.wasm");
             assets
         };
     }
 }
 
-/// Check if a filesystem entry is an IPC socket.
-///
-/// On Unix, this checks `FileTypeExt::is_socket()`. On non-Unix platforms,
-/// this checks `is_file()` to detect marker files created by `ipc_bind()`
-/// and `ipc_bind_async()` alongside kernel-level named pipes.
 #[cfg(unix)]
 pub fn is_ipc_socket(file_type: &std::fs::FileType) -> bool {
     use std::os::unix::fs::FileTypeExt;
@@ -192,10 +188,6 @@ pub fn is_ipc_socket(file_type: &std::fs::FileType) -> bool {
     file_type.is_file()
 }
 
-/// Connect to an IPC socket at the given path.
-///
-/// On Unix, this uses Unix domain sockets via `GenericFilePath`.
-/// On Windows, this uses named pipes via `GenericNamespaced`.
 #[cfg(unix)]
 pub fn ipc_connect(path: &std::path::Path) -> std::io::Result<interprocess::local_socket::Stream> {
     use interprocess::local_socket::{prelude::*, GenericFilePath, Stream as LocalSocketStream};
@@ -211,11 +203,6 @@ pub fn ipc_connect(path: &std::path::Path) -> std::io::Result<interprocess::loca
     LocalSocketStream::connect(ns_name)
 }
 
-/// Create an IPC listener bound to the given path.
-///
-/// On Unix, this uses Unix domain sockets via `GenericFilePath`.
-/// On Windows, this uses named pipes via `GenericNamespaced` and creates
-/// a marker file for session discovery.
 #[cfg(unix)]
 pub fn ipc_bind(path: &std::path::Path) -> std::io::Result<interprocess::local_socket::Listener> {
     use interprocess::local_socket::{prelude::*, GenericFilePath, ListenerOptions};
@@ -233,11 +220,6 @@ pub fn ipc_bind(path: &std::path::Path) -> std::io::Result<interprocess::local_s
     Ok(listener)
 }
 
-/// Create an async (tokio) IPC listener bound to the given path.
-///
-/// On Unix, this uses Unix domain sockets via `GenericFilePath`.
-/// On Windows, this uses named pipes via `GenericNamespaced` and creates
-/// a marker file for session discovery.
 #[cfg(unix)]
 pub fn ipc_bind_async(
     path: &std::path::Path,
@@ -259,9 +241,6 @@ pub fn ipc_bind_async(
     Ok(listener)
 }
 
-/// Connect to the reply pipe for a given IPC path (Windows only).
-///
-/// Uses `path-reply` as the named pipe for the server→client direction.
 #[cfg(windows)]
 pub fn ipc_connect_reply(
     path: &std::path::Path,
@@ -272,9 +251,6 @@ pub fn ipc_connect_reply(
     LocalSocketStream::connect(ns_name)
 }
 
-/// Create an IPC listener for the reply pipe (Windows only).
-///
-/// Binds to `path-reply` as the named pipe for the server→client direction.
 #[cfg(windows)]
 pub fn ipc_bind_reply(
     path: &std::path::Path,
@@ -297,12 +273,7 @@ mod unix_only {
     use nix::unistd::Uid;
     use std::env::temp_dir;
 
-    // Maximum length of a Unix domain socket path (from sockaddr_un.sun_path).
-    // macOS (and other BSDs) use 104, Linux/Android/Solaris use 108.
-    // The not(target_os = "macos") fallback of 108 is used for all other Unix
-    // platforms — this is correct for Linux/Android/Solaris and only 4 bytes
-    // over for BSDs, which would cause a slightly late error rather than a
-    // missed one.
+    // Maximum sockaddr_un.sun_path length: 104 on macOS/BSD, 108 on Linux/Android/Solaris.
     #[cfg(target_os = "macos")]
     pub const ZELLIJ_SOCK_MAX_LENGTH: usize = 104;
     #[cfg(not(target_os = "macos"))]
diff --git a/zellij-utils/src/data.rs b/zellij-utils/src/data.rs
index 6f10a054..16ff560e 100644
--- a/zellij-utils/src/data.rs
+++ b/zellij-utils/src/data.rs
@@ -5,7 +5,7 @@ use crate::input::keybinds::Keybinds;
 use crate::input::layout::{
     Layout, PercentOrFixed, Run, RunPlugin, RunPluginLocation, RunPluginOrAlias,
 };
-use crate::pane_size::PaneGeom;
+use crate::pane_size::{PaneGeom, Size};
 use crate::position::Position;
 use crate::shared::{colors as default_colors, eightbit_to_rgb};
 use clap::ArgEnum;
@@ -894,8 +894,10 @@ impl fmt::Display for ResizeStrategy {
 // left click) and the `ScrollUp` and `ScrollDown` events could probably be
 // merged into a single `Scroll(isize)` event.
 pub enum Mouse {
-    ScrollUp(usize),          // number of lines
-    ScrollDown(usize),        // number of lines
+    ScrollUp(usize),   // number of lines
+    ScrollDown(usize), // number of lines
+    ScrollLeft(usize),
+    ScrollRight(usize),
     LeftClick(isize, usize),  // line and column
     RightClick(isize, usize), // line and column
     Hold(isize, usize),       // line and column
@@ -1028,6 +1030,7 @@ pub enum Event {
     InitialKeybinds(KeybindsVec),
     /// The host terminal indicated its color palette theme mode (CSI 2031 / DSR 997).
     HostTerminalThemeChanged(HostTerminalThemeMode),
+    SoftKeyboardVisibilityChanged(bool),
 }
 
 #[derive(Copy, Clone, Debug, PartialEq, Eq, Hash, Serialize, Deserialize)]
@@ -2432,6 +2435,7 @@ pub struct PaneContents {
     pub lines_below_viewport: Vec<String>,
     pub viewport: Vec<String>,
     pub selected_text: Option<SelectedText>,
+    pub cursor: Option<(usize, usize)>,
 }
 
 /// Extract text from a line between two column positions, accounting for wide characters
@@ -2526,6 +2530,7 @@ impl PaneContents {
             selected_text: SelectedText::from_positions(selection_start, selection_end),
             lines_above_viewport,
             lines_below_viewport,
+            cursor: None,
         }
     }
 
@@ -3366,6 +3371,13 @@ pub enum PluginCommand {
         name: Option<String>,
         cwd: Option<String>,
     },
+    NewTabUnfocused {
+        name: Option<String>,
+        cwd: Option<String>,
+    },
+    NewTiledPaneInTab {
+        tab_position: usize,
+    },
     GoToNextTab,
     GoToPreviousTab,
     Resize(Resize),
@@ -3610,6 +3622,13 @@ pub enum PluginCommand {
     KillSessionsAndReply(Vec<String>), // one or more session names; sends a response back
     DeleteDeadSessionAndReply(String), // session name; sends a response back
     DeleteAllDeadSessionsAndReply,     // no payload; sends a response back
+    SetSoftKeyboard(bool),
+    SetTabFit {
+        tab_id: usize,
+        fit: Option<(PaneId, Size)>,
+    },
+    SetShadowFocus(PaneId),
+    ExitMobileMode,
 }
 
 // Response type for plugin API methods that open a pane in a new tab
@@ -3621,6 +3640,7 @@ pub struct OpenPaneInNewTabResponse {
 
 // Response types for plugin API methods that create tabs
 pub type NewTabResponse = Option<usize>;
+pub type NewTabUnfocusedResponse = Option<usize>;
 pub type NewTabsResponse = Vec<usize>;
 pub type FocusOrCreateTabResponse = Option<usize>;
 pub type BreakPanesToNewTabResponse = Option<usize>;
@@ -3641,6 +3661,7 @@ pub type OpenTerminalInPlaceResponse = Option<PaneId>;
 pub type OpenTerminalNearPluginResponse = Option<PaneId>;
 pub type OpenTerminalFloatingNearPluginResponse = Option<PaneId>;
 pub type OpenTerminalInPlaceOfPluginResponse = Option<PaneId>;
+pub type NewTiledPaneInTabResponse = Option<PaneId>;
 
 pub type OpenCommandPaneResponse = Option<PaneId>;
 pub type OpenCommandPaneFloatingResponse = Option<PaneId>;
diff --git a/zellij-utils/src/errors.rs b/zellij-utils/src/errors.rs
index 6fa15141..8e4bc66c 100644
--- a/zellij-utils/src/errors.rs
+++ b/zellij-utils/src/errors.rs
@@ -331,6 +331,9 @@ pub enum ScreenContext {
     ToggleTab,
     AddClient,
     RemoveClient,
+    SuppressRenderUntilMobile,
+    MobileSizeSettled,
+    ForceMobileUngate,
     UpdateSearch,
     SearchDown,
     SearchUp,
@@ -399,6 +402,7 @@ pub enum ScreenContext {
     PageScrollUpInPaneId,
     PageScrollDownInPaneId,
     TogglePaneIdFullscreen,
+    SetTabFit,
     TogglePaneEmbedOrEjectForPaneId,
     CloseTabWithIndex,
     BreakPanesToNewTab,
@@ -462,6 +466,12 @@ pub enum ScreenContext {
     PluginSubscribedToAnsiPaneContents,
     UpdateBackgroundPluginSubscriptions,
     BroadcastModeUpdate,
+    EnterMobileMode,
+    ExitMobileMode,
+    ToggleMobileMode,
+    ReevaluateMobileMode,
+    SetSoftKeyboard,
+    SetShadowFocus,
 }
 
 /// Stack call representations corresponding to the different types of [`PtyInstruction`]s.
@@ -516,6 +526,8 @@ pub enum PluginContext {
     NewTab,
     OverrideLayout,
     ApplyCachedEvents,
+    HoldMobileRender,
+    ReleaseMobileRender,
     ApplyCachedWorkerMessages,
     PostMessageToPluginWorker,
     PostMessageToPlugin,
@@ -637,6 +649,7 @@ pub enum BackgroundJobContext {
     StopFlashPaneBell,
     FlashTabBell,
     StopFlashTabBell,
+    MobileGateTimeout,
     Exit,
 }
 
diff --git a/zellij-utils/src/input/actions.rs b/zellij-utils/src/input/actions.rs
index 7f6fabfe..cf5fc448 100644
--- a/zellij-utils/src/input/actions.rs
+++ b/zellij-utils/src/input/actions.rs
@@ -412,6 +412,7 @@ pub enum Action {
         option: SearchOption,
     },
     ToggleMouseMode,
+    ToggleMobileMode,
     PreviousSwapLayout,
     NextSwapLayout,
     /// Override the layout of the active tab
diff --git a/zellij-utils/src/input/mod.rs b/zellij-utils/src/input/mod.rs
index 74091850..c103e580 100644
--- a/zellij-utils/src/input/mod.rs
+++ b/zellij-utils/src/input/mod.rs
@@ -163,112 +163,149 @@ mod not_wasm {
         let alt = modifiers.contains(KeyModifiers::ALT);
         let ctrl = modifiers.contains(KeyModifiers::CONTROL);
 
-        let (event_type, left, right, middle, wheel_up, wheel_down) = match event.kind {
-            MouseEventKind::Down(CButton::Left) => (
-                mouse::MouseEventType::Press,
-                true,
-                false,
-                false,
-                false,
-                false,
-            ),
-            MouseEventKind::Down(CButton::Right) => (
-                mouse::MouseEventType::Press,
-                false,
-                true,
-                false,
-                false,
-                false,
-            ),
-            MouseEventKind::Down(CButton::Middle) => (
-                mouse::MouseEventType::Press,
-                false,
-                false,
-                true,
-                false,
-                false,
-            ),
-            MouseEventKind::Up(CButton::Left) => (
-                mouse::MouseEventType::Release,
-                true,
-                false,
-                false,
-                false,
-                false,
-            ),
-            MouseEventKind::Up(CButton::Right) => (
-                mouse::MouseEventType::Release,
-                false,
-                true,
-                false,
-                false,
-                false,
-            ),
-            MouseEventKind::Up(CButton::Middle) => (
-                mouse::MouseEventType::Release,
-                false,
-                false,
-                true,
-                false,
-                false,
-            ),
-            MouseEventKind::Drag(CButton::Left) => (
-                mouse::MouseEventType::Motion,
-                true,
-                false,
-                false,
-                false,
-                false,
-            ),
-            MouseEventKind::Drag(CButton::Right) => (
-                mouse::MouseEventType::Motion,
-                false,
-                true,
-                false,
-                false,
-                false,
-            ),
-            MouseEventKind::Drag(CButton::Middle) => (
-                mouse::MouseEventType::Motion,
-                false,
-                false,
-                true,
-                false,
-                false,
-            ),
-            MouseEventKind::Moved => (
-                mouse::MouseEventType::Motion,
-                false,
-                false,
-                false,
-                false,
-                false,
-            ),
-            MouseEventKind::ScrollUp => (
-                mouse::MouseEventType::Press,
-                false,
-                false,
-                false,
-                true,
-                false,
-            ),
-            MouseEventKind::ScrollDown => (
-                mouse::MouseEventType::Press,
-                false,
-                false,
-                false,
-                false,
-                true,
-            ),
-            MouseEventKind::ScrollLeft | MouseEventKind::ScrollRight => (
-                mouse::MouseEventType::Motion,
-                false,
-                false,
-                false,
-                false,
-                false,
-            ),
-        };
+        let (event_type, left, right, middle, wheel_up, wheel_down, wheel_left, wheel_right) =
+            match event.kind {
+                MouseEventKind::Down(CButton::Left) => (
+                    mouse::MouseEventType::Press,
+                    true,
+                    false,
+                    false,
+                    false,
+                    false,
+                    false,
+                    false,
+                ),
+                MouseEventKind::Down(CButton::Right) => (
+                    mouse::MouseEventType::Press,
+                    false,
+                    true,
+                    false,
+                    false,
+                    false,
+                    false,
+                    false,
+                ),
+                MouseEventKind::Down(CButton::Middle) => (
+                    mouse::MouseEventType::Press,
+                    false,
+                    false,
+                    true,
+                    false,
+                    false,
+                    false,
+                    false,
+                ),
+                MouseEventKind::Up(CButton::Left) => (
+                    mouse::MouseEventType::Release,
+                    true,
+                    false,
+                    false,
+                    false,
+                    false,
+                    false,
+                    false,
+                ),
+                MouseEventKind::Up(CButton::Right) => (
+                    mouse::MouseEventType::Release,
+                    false,
+                    true,
+                    false,
+                    false,
+                    false,
+                    false,
+                    false,
+                ),
+                MouseEventKind::Up(CButton::Middle) => (
+                    mouse::MouseEventType::Release,
+                    false,
+                    false,
+                    true,
+                    false,
+                    false,
+                    false,
+                    false,
+                ),
+                MouseEventKind::Drag(CButton::Left) => (
+                    mouse::MouseEventType::Motion,
+                    true,
+                    false,
+                    false,
+                    false,
+                    false,
+                    false,
+                    false,
+                ),
+                MouseEventKind::Drag(CButton::Right) => (
+                    mouse::MouseEventType::Motion,
+                    false,
+                    true,
+                    false,
+                    false,
+                    false,
+                    false,
+                    false,
+                ),
+                MouseEventKind::Drag(CButton::Middle) => (
+                    mouse::MouseEventType::Motion,
+                    false,
+                    false,
+                    true,
+                    false,
+                    false,
+                    false,
+                    false,
+                ),
+                MouseEventKind::Moved => (
+                    mouse::MouseEventType::Motion,
+                    false,
+                    false,
+                    false,
+                    false,
+                    false,
+                    false,
+                    false,
+                ),
+                MouseEventKind::ScrollUp => (
+                    mouse::MouseEventType::Press,
+                    false,
+                    false,
+                    false,
+                    true,
+                    false,
+                    false,
+                    false,
+                ),
+                MouseEventKind::ScrollDown => (
+                    mouse::MouseEventType::Press,
+                    false,
+                    false,
+                    false,
+                    false,
+                    true,
+                    false,
+                    false,
+                ),
+                MouseEventKind::ScrollLeft => (
+                    mouse::MouseEventType::Press,
+                    false,
+                    false,
+                    false,
+                    false,
+                    false,
+                    true,
+                    false,
+                ),
+                MouseEventKind::ScrollRight => (
+                    mouse::MouseEventType::Press,
+                    false,
+                    false,
+                    false,
+                    false,
+                    false,
+                    false,
+                    true,
+                ),
+            };
 
         mouse::MouseEvent {
             event_type,
@@ -277,6 +314,8 @@ mod not_wasm {
             middle,
             wheel_up,
             wheel_down,
+            wheel_left,
+            wheel_right,
             shift,
             alt,
             ctrl,
diff --git a/zellij-utils/src/input/mouse.rs b/zellij-utils/src/input/mouse.rs
index a8fcb5a7..231dc589 100644
--- a/zellij-utils/src/input/mouse.rs
+++ b/zellij-utils/src/input/mouse.rs
@@ -16,6 +16,10 @@ pub struct MouseEvent {
     pub middle: bool,
     pub wheel_up: bool,
     pub wheel_down: bool,
+    #[serde(default)]
+    pub wheel_left: bool,
+    #[serde(default)]
+    pub wheel_right: bool,
 
     // Keyboard modifier flags can be encoded with events too.  They
     // are not often passed on the wire (instead used for
@@ -51,6 +55,8 @@ impl MouseEvent {
             middle: false,
             wheel_up: false,
             wheel_down: false,
+            wheel_left: false,
+            wheel_right: false,
             shift: false,
             alt: false,
             ctrl: false,
@@ -66,6 +72,8 @@ impl MouseEvent {
             middle: false,
             wheel_up: false,
             wheel_down: false,
+            wheel_left: false,
+            wheel_right: false,
             shift: false,
             alt: false,
             ctrl: false,
@@ -81,6 +89,8 @@ impl MouseEvent {
             middle: false,
             wheel_up: false,
             wheel_down: false,
+            wheel_left: false,
+            wheel_right: false,
             shift: false,
             alt: false,
             ctrl: false,
@@ -96,6 +106,8 @@ impl MouseEvent {
             middle: false,
             wheel_up: false,
             wheel_down: false,
+            wheel_left: false,
+            wheel_right: false,
             shift: false,
             alt: false,
             ctrl: false,
@@ -111,6 +123,8 @@ impl MouseEvent {
             middle: true,
             wheel_up: false,
             wheel_down: false,
+            wheel_left: false,
+            wheel_right: false,
             shift: false,
             alt: false,
             ctrl: false,
@@ -126,6 +140,8 @@ impl MouseEvent {
             middle: true,
             wheel_up: false,
             wheel_down: false,
+            wheel_left: false,
+            wheel_right: false,
             shift: false,
             alt: false,
             ctrl: false,
@@ -141,6 +157,8 @@ impl MouseEvent {
             middle: false,
             wheel_up: false,
             wheel_down: false,
+            wheel_left: false,
+            wheel_right: false,
             shift: false,
             alt: false,
             ctrl: false,
@@ -156,6 +174,8 @@ impl MouseEvent {
             middle: false,
             wheel_up: false,
             wheel_down: false,
+            wheel_left: false,
+            wheel_right: false,
             shift: false,
             alt: false,
             ctrl: false,
@@ -171,6 +191,8 @@ impl MouseEvent {
             middle: false,
             wheel_up: false,
             wheel_down: false,
+            wheel_left: false,
+            wheel_right: false,
             shift: false,
             alt: false,
             ctrl: false,
@@ -186,6 +208,8 @@ impl MouseEvent {
             middle: false,
             wheel_up: false,
             wheel_down: false,
+            wheel_left: false,
+            wheel_right: false,
             shift: false,
             alt: false,
             ctrl: false,
@@ -201,6 +225,8 @@ impl MouseEvent {
             middle: true,
             wheel_up: false,
             wheel_down: false,
+            wheel_left: false,
+            wheel_right: false,
             shift: false,
             alt: false,
             ctrl: false,
@@ -216,6 +242,8 @@ impl MouseEvent {
             middle: false,
             wheel_up: false,
             wheel_down: false,
+            wheel_left: false,
+            wheel_right: false,
             shift: false,
             alt: true,
             ctrl: false,
@@ -231,6 +259,8 @@ impl MouseEvent {
             middle: false,
             wheel_up: false,
             wheel_down: false,
+            wheel_left: false,
+            wheel_right: false,
             shift: false,
             alt: true,
             ctrl: false,
@@ -246,6 +276,8 @@ impl MouseEvent {
             middle: false,
             wheel_up: false,
             wheel_down: false,
+            wheel_left: false,
+            wheel_right: false,
             shift: false,
             alt: false,
             ctrl: true,
@@ -261,6 +293,8 @@ impl MouseEvent {
             middle: false,
             wheel_up: false,
             wheel_down: false,
+            wheel_left: false,
+            wheel_right: false,
             shift: false,
             alt: false,
             ctrl: true,
@@ -276,6 +310,8 @@ impl MouseEvent {
             middle: false,
             wheel_up: false,
             wheel_down: false,
+            wheel_left: false,
+            wheel_right: false,
             shift: false,
             alt: false,
             ctrl: true,
@@ -291,6 +327,8 @@ impl MouseEvent {
             middle: false,
             wheel_up: false,
             wheel_down: false,
+            wheel_left: false,
+            wheel_right: false,
             shift: false,
             alt: true,
             ctrl: false,
@@ -306,6 +344,8 @@ impl MouseEvent {
             middle: false,
             wheel_up: true,
             wheel_down: false,
+            wheel_left: false,
+            wheel_right: false,
             shift: false,
             alt: false,
             ctrl: false,
@@ -321,6 +361,8 @@ impl MouseEvent {
             middle: false,
             wheel_up: false,
             wheel_down: true,
+            wheel_left: false,
+            wheel_right: false,
             shift: false,
             alt: false,
             ctrl: false,
@@ -336,6 +378,8 @@ impl MouseEvent {
             middle: false,
             wheel_up: true,
             wheel_down: false,
+            wheel_left: false,
+            wheel_right: false,
             shift: false,
             alt: false,
             ctrl: true,
@@ -351,6 +395,8 @@ impl MouseEvent {
             middle: false,
             wheel_up: false,
             wheel_down: true,
+            wheel_left: false,
+            wheel_right: false,
             shift: false,
             alt: false,
             ctrl: true,
@@ -358,6 +404,38 @@ impl MouseEvent {
         };
         event
     }
+    pub fn new_scroll_left_event(position: Position) -> Self {
+        MouseEvent {
+            event_type: MouseEventType::Press,
+            left: false,
+            right: false,
+            middle: false,
+            wheel_up: false,
+            wheel_down: false,
+            wheel_left: true,
+            wheel_right: false,
+            shift: false,
+            alt: false,
+            ctrl: false,
+            position,
+        }
+    }
+    pub fn new_scroll_right_event(position: Position) -> Self {
+        MouseEvent {
+            event_type: MouseEventType::Press,
+            left: false,
+            right: false,
+            middle: false,
+            wheel_up: false,
+            wheel_down: false,
+            wheel_left: false,
+            wheel_right: true,
+            shift: false,
+            alt: false,
+            ctrl: false,
+            position,
+        }
+    }
 }
 
 impl Default for MouseEvent {
diff --git a/zellij-utils/src/input/options.rs b/zellij-utils/src/input/options.rs
index 854ef271..8f91cb47 100644
--- a/zellij-utils/src/input/options.rs
+++ b/zellij-utils/src/input/options.rs
@@ -16,6 +16,65 @@ pub enum OnForceClose {
     Detach,
 }
 
+#[derive(Copy, Clone, Debug, PartialEq, Eq, Deserialize, Serialize, ArgEnum)]
+pub enum MobileLayoutConfiguration {
+    #[serde(alias = "web")]
+    Web,
+    #[serde(alias = "always")]
+    Always,
+    #[serde(alias = "never")]
+    Never,
+}
+
+impl Default for MobileLayoutConfiguration {
+    fn default() -> Self {
+        Self::Web
+    }
+}
+
+impl FromStr for MobileLayoutConfiguration {
+    type Err = String;
+    fn from_str(s: &str) -> Result<Self, Self::Err> {
+        match s {
+            "Web" | "web" => Ok(Self::Web),
+            "Always" | "always" => Ok(Self::Always),
+            "Never" | "never" => Ok(Self::Never),
+            _ => Err(format!("No such mobile_layout: {}", s)),
+        }
+    }
+}
+
+impl MobileLayoutConfiguration {
+    pub fn should_route_to_mobile(
+        self,
+        is_web_client: bool,
+        viewport_cols: usize,
+        viewport_rows: usize,
+        threshold_cols: u16,
+        threshold_rows: u16,
+    ) -> bool {
+        let cols_reported = viewport_cols > 0;
+        let rows_reported = viewport_rows > 0;
+        let cols_match =
+            cols_reported && (threshold_cols == 0 || viewport_cols <= threshold_cols as usize);
+        let rows_match =
+            rows_reported && (threshold_rows == 0 || viewport_rows <= threshold_rows as usize);
+        let size_match = cols_match || rows_match;
+        match self {
+            MobileLayoutConfiguration::Always => size_match,
+            MobileLayoutConfiguration::Never => false,
+            MobileLayoutConfiguration::Web => is_web_client && size_match,
+        }
+    }
+
+    pub fn may_route_web_client_to_mobile(self) -> bool {
+        matches!(
+            self,
+            MobileLayoutConfiguration::Web | MobileLayoutConfiguration::Always
+        )
+    }
+}
+
 impl Default for OnForceClose {
     fn default() -> Self {
         Self::Detach
@@ -278,6 +337,21 @@ pub struct Options {
     /// NOTE: This only applies to web clients at the moment.
     #[clap(long)]
     pub client_async_worker_tasks: Option<usize>,
+
+    /// When a newly-attaching client should land in the mobile UI plugin (web, always, never)
+    #[clap(long, arg_enum, hide_possible_values = true, value_parser)]
+    #[serde(default)]
+    pub mobile_layout: Option<MobileLayoutConfiguration>,
+
+    /// Column breakpoint for mobile_layout (0 to always match)
+    #[clap(long, value_parser)]
+    #[serde(default)]
+    pub mobile_threshold_cols: Option<u16>,
+
+    /// Row breakpoint for mobile_layout (0 to always match)
+    #[clap(long, value_parser)]
+    #[serde(default)]
+    pub mobile_threshold_rows: Option<u16>,
 }
 
 #[derive(ArgEnum, Deserialize, Serialize, Debug, Clone, Copy, PartialEq)]
@@ -384,6 +458,9 @@ impl Options {
         let client_async_worker_tasks = other
             .client_async_worker_tasks
             .or(self.client_async_worker_tasks);
+        let mobile_layout = other.mobile_layout.or(self.mobile_layout);
+        let mobile_threshold_cols = other.mobile_threshold_cols.or(self.mobile_threshold_cols);
+        let mobile_threshold_rows = other.mobile_threshold_rows.or(self.mobile_threshold_rows);
 
         Options {
             simplified_ui,
@@ -433,6 +510,9 @@ impl Options {
             enforce_https_for_localhost,
             post_command_discovery_hook,
             client_async_worker_tasks,
+            mobile_layout,
+            mobile_threshold_cols,
+            mobile_threshold_rows,
         }
     }
 
@@ -519,6 +599,9 @@ impl Options {
         let client_async_worker_tasks = other
             .client_async_worker_tasks
             .or(self.client_async_worker_tasks);
+        let mobile_layout = other.mobile_layout.or(self.mobile_layout);
+        let mobile_threshold_cols = other.mobile_threshold_cols.or(self.mobile_threshold_cols);
+        let mobile_threshold_rows = other.mobile_threshold_rows.or(self.mobile_threshold_rows);
 
         Options {
             simplified_ui,
@@ -568,6 +651,9 @@ impl Options {
             enforce_https_for_localhost,
             post_command_discovery_hook,
             client_async_worker_tasks,
+            mobile_layout,
+            mobile_threshold_cols,
+            mobile_threshold_rows,
         }
     }
 
@@ -579,3 +665,206 @@ impl Options {
         }
     }
 }
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    const SMALL: (usize, usize) = (40, 20);
+    const WIDE_SHORT: (usize, usize) = (200, 20);
+    const TALL_NARROW: (usize, usize) = (40, 200);
+    const LARGE: (usize, usize) = (200, 200);
+
+    fn route(
+        layout: MobileLayoutConfiguration,
+        is_web: bool,
+        viewport: (usize, usize),
+        thresholds: (u16, u16),
+    ) -> bool {
+        layout.should_route_to_mobile(is_web, viewport.0, viewport.1, thresholds.0, thresholds.1)
+    }
+
+    #[test]
+    fn never_never_routes_to_mobile() {
+        for &is_web in &[true, false] {
+            for &viewport in &[SMALL, WIDE_SHORT, TALL_NARROW, LARGE] {
+                for &thresholds in &[(60, 30), (0, 0), (0, 30), (60, 0)] {
+                    assert!(
+                        !route(MobileLayoutConfiguration::Never, is_web, viewport, thresholds),
+                        "Never must never route (is_web={is_web} viewport={viewport:?} thresholds={thresholds:?})",
+                    );
+                }
+            }
+        }
+    }
+
+    #[test]
+    fn web_requires_web_client() {
+        assert!(route(MobileLayoutConfiguration::Web, true, SMALL, (60, 30)));
+        assert!(!route(
+            MobileLayoutConfiguration::Web,
+            false,
+            SMALL,
+            (60, 30)
+        ));
+    }
+
+    #[test]
+    fn web_respects_size_in_either_dimension() {
+        assert!(route(
+            MobileLayoutConfiguration::Web,
+            true,
+            TALL_NARROW,
+            (60, 30)
+        ));
+        assert!(route(
+            MobileLayoutConfiguration::Web,
+            true,
+            WIDE_SHORT,
+            (60, 30)
+        ));
+        assert!(!route(
+            MobileLayoutConfiguration::Web,
+            true,
+            LARGE,
+            (60, 30)
+        ));
+    }
+
+    #[test]
+    fn always_routes_any_client_on_size_match() {
+        assert!(route(
+            MobileLayoutConfiguration::Always,
+            true,
+            SMALL,
+            (60, 30)
+        ));
+        assert!(route(
+            MobileLayoutConfiguration::Always,
+            false,
+            SMALL,
+            (60, 30)
+        ));
+        assert!(!route(
+            MobileLayoutConfiguration::Always,
+            true,
+            LARGE,
+            (60, 30)
+        ));
+        assert!(!route(
+            MobileLayoutConfiguration::Always,
+            false,
+            LARGE,
+            (60, 30)
+        ));
+    }
+
+    #[test]
+    fn zero_threshold_makes_dimension_unconditional() {
+        assert!(route(
+            MobileLayoutConfiguration::Always,
+            false,
+            LARGE,
+            (0, 30)
+        ));
+        assert!(route(
+            MobileLayoutConfiguration::Always,
+            false,
+            LARGE,
+            (60, 0)
+        ));
+        assert!(route(
+            MobileLayoutConfiguration::Always,
+            false,
+            LARGE,
+            (0, 0)
+        ));
+        assert!(route(MobileLayoutConfiguration::Web, true, LARGE, (0, 0)));
+        assert!(!route(MobileLayoutConfiguration::Web, false, LARGE, (0, 0)));
+    }
+
+    #[test]
+    fn zero_viewport_is_treated_as_unknown() {
+        assert!(!route(
+            MobileLayoutConfiguration::Always,
+            true,
+            (0, 0),
+            (60, 30)
+        ));
+        assert!(!route(
+            MobileLayoutConfiguration::Web,
+            true,
+            (0, 0),
+            (60, 30)
+        ));
+        assert!(!route(
+            MobileLayoutConfiguration::Always,
+            true,
+            (0, 0),
+            (0, 0)
+        ));
+        assert!(route(
+            MobileLayoutConfiguration::Always,
+            true,
+            (40, 0),
+            (60, 30)
+        ));
+        assert!(route(
+            MobileLayoutConfiguration::Always,
+            true,
+            (0, 20),
+            (60, 30)
+        ));
+    }
+
+    #[test]
+    fn boundary_inclusive_at_threshold() {
+        assert!(route(
+            MobileLayoutConfiguration::Always,
+            false,
+            (60, 200),
+            (60, 30)
+        ));
+        assert!(route(
+            MobileLayoutConfiguration::Always,
+            false,
+            (200, 30),
+            (60, 30)
+        ));
+        assert!(!route(
+            MobileLayoutConfiguration::Always,
+            false,
+            (61, 31),
+            (60, 30)
+        ));
+    }
+
+    #[test]
+    fn from_str_accepts_canonical_and_lowercase() {
+        assert_eq!(
+            "web".parse::<MobileLayoutConfiguration>(),
+            Ok(MobileLayoutConfiguration::Web)
+        );
+        assert_eq!(
+            "Web".parse::<MobileLayoutConfiguration>(),
+            Ok(MobileLayoutConfiguration::Web)
+        );
+        assert_eq!(
+            "always".parse::<MobileLayoutConfiguration>(),
+            Ok(MobileLayoutConfiguration::Always)
+        );
+        assert_eq!(
+            "never".parse::<MobileLayoutConfiguration>(),
+            Ok(MobileLayoutConfiguration::Never)
+        );
+        assert!("auto".parse::<MobileLayoutConfiguration>().is_err());
+    }
+
+    #[test]
+    fn default_is_web() {
+        assert_eq!(
+            MobileLayoutConfiguration::default(),
+            MobileLayoutConfiguration::Web
+        );
+    }
+}
diff --git a/zellij-utils/src/input/plugins.rs b/zellij-utils/src/input/plugins.rs
index 31e48b43..7f9bf427 100644
--- a/zellij-utils/src/input/plugins.rs
+++ b/zellij-utils/src/input/plugins.rs
@@ -69,6 +69,7 @@ impl PluginConfig {
                     || tag == "multiple-select"
                     || tag == "layout-manager"
                     || tag == "link"
+                    || tag == "mobile"
                 {
                     Some(PluginConfig {
                         path: PathBuf::from(&tag),
diff --git a/zellij-utils/src/input/web_client.rs b/zellij-utils/src/input/web_client.rs
index de09efad..9607adc0 100644
--- a/zellij-utils/src/input/web_client.rs
+++ b/zellij-utils/src/input/web_client.rs
@@ -239,6 +239,7 @@ pub struct WebClientConfig {
     pub cursor_style: Option<CursorStyle>,
     pub mac_option_is_meta: bool,
     pub base_url: Option<String>,
+    pub font_size: Option<u16>,
 }
 
 impl Default for WebClientConfig {
@@ -251,6 +252,7 @@ impl Default for WebClientConfig {
             cursor_style: None,
             mac_option_is_meta: true, // TODO: yes? no?
             base_url: None,
+            font_size: None,
         }
     }
 }
@@ -289,6 +291,24 @@ impl WebClientConfig {
             web_client_config.base_url = Some(base_url.to_owned());
         }
 
+        if let Some(font_size_node) = kdl_get_child!(kdl, "font_size") {
+            let raw = font_size_node
+                .entries()
+                .iter()
+                .find_map(|e| e.value().as_i64());
+            if let Some(value) = raw {
+                if value > 0 && value <= u16::MAX as i64 {
+                    web_client_config.font_size = Some(value as u16);
+                } else {
+                    return Err(ConfigError::new_kdl_error(
+                        format!("font_size must be between 1 and {}", u16::MAX),
+                        font_size_node.span().offset(),
+                        font_size_node.span().len(),
+                    ));
+                }
+            }
+        }
+
         Ok(web_client_config)
     }
 
@@ -338,6 +358,12 @@ impl WebClientConfig {
             web_client_children.nodes_mut().push(base_url_node);
         }
 
+        if let Some(font_size) = self.font_size {
+            let mut font_size_node = KdlNode::new("font_size");
+            font_size_node.push(KdlValue::Base10(font_size as i64));
+            web_client_children.nodes_mut().push(font_size_node);
+        }
+
         web_client_node.set_children(web_client_children);
         web_client_node
     }
@@ -351,6 +377,7 @@ impl WebClientConfig {
         merged.cursor_style = other.cursor_style;
         merged.mac_option_is_meta = other.mac_option_is_meta;
         merged.base_url = other.base_url;
+        merged.font_size = other.font_size;
         merged
     }
 }
diff --git a/zellij-utils/src/ipc.rs b/zellij-utils/src/ipc.rs
index a837a0af..d5edbbb4 100644
--- a/zellij-utils/src/ipc.rs
+++ b/zellij-utils/src/ipc.rs
@@ -81,6 +81,14 @@ pub struct ColorRegister {
     pub color: String,
 }
 
+#[derive(Default, Serialize, Deserialize, Debug, Clone, Copy, PartialEq, Eq)]
+pub enum ResizeCause {
+    #[default]
+    Viewport,
+    RenderingPreference,
+    SizeSettled,
+}
+
 impl PixelDimensions {
     pub fn merge(&mut self, other: PixelDimensions) {
         if let Some(text_area_size) = other.text_area_size {
@@ -113,6 +121,8 @@ pub enum ClientToServerMsg {
     },
     TerminalResize {
         new_size: Size,
+        #[serde(default)]
+        cause: ResizeCause,
     },
     FirstClientConnected {
         cli_assets: CliAssets,
@@ -156,21 +166,16 @@ pub enum ClientToServerMsg {
     DesktopNotificationResponse {
         raw_bytes: Vec<u8>,
     },
-    /// Raw reply bytes observed by the client inside a forwarding window
-    /// closed by the Primary-DA barrier. The server routes these bytes
-    /// verbatim to the pane whose app issued the whitelisted query
-    /// (tracked on the server by `token`).
     ForwardedReplyFromHost {
         token: u32,
         reply_bytes: Vec<u8>,
     },
-    /// The host terminal reported a color-palette theme mode (DSR 997 reply
-    /// to `CSI ? 996 n`, or unsolicited notification while `CSI ? 2031 h`
-    /// is enabled). The server propagates this to the active configured
-    /// theme and to subscribed plugins/panes.
     HostTerminalThemeChanged {
         mode: HostTerminalThemeMode,
     },
+    SoftKeyboardVisibilityChanged {
+        visible: bool,
+    },
 }
 
 // Types of messages sent from the server to the client
@@ -201,6 +206,9 @@ pub enum ServerToClientMsg {
         output: String,
     },
     QueryTerminalSize,
+    SetSoftKeyboard {
+        on: bool,
+    },
     StartWebServer,
     RenamedSession {
         name: String,
@@ -215,10 +223,6 @@ pub enum ServerToClientMsg {
     SubscribedPaneClosed {
         pane_id: PaneId,
     },
-    /// Instruct the client to write `query_bytes` followed by the
-    /// Primary-DA barrier to stdout, open a forwarding window keyed by
-    /// `token`, and reply with a `ForwardedReplyFromHost` once the
-    /// barrier closes or the window times out.
     ForwardQueryToHost {
         token: u32,
         query_bytes: Vec<u8>,
diff --git a/zellij-utils/src/ipc/protobuf_conversion.rs b/zellij-utils/src/ipc/protobuf_conversion.rs
index 8025d66f..d1bfb7d4 100644
--- a/zellij-utils/src/ipc/protobuf_conversion.rs
+++ b/zellij-utils/src/ipc/protobuf_conversion.rs
@@ -10,8 +10,9 @@ use crate::{
         HostTerminalThemeIndication as ProtoHostTerminalThemeIndication,
         InputMode as ProtoInputMode, KeyMsg, KillSessionMsg, LayoutMetadata as ProtoLayoutMetadata,
         LogErrorMsg, LogMsg, PaneMetadata as ProtoPaneMetadata, PaneRenderUpdateMsg,
-        QueryTerminalSizeMsg, RenamedSessionMsg, RenderMsg,
-        ServerToClientMsg as ProtoServerToClientMsg, StartWebServerMsg, SubscribeToPaneRendersMsg,
+        QueryTerminalSizeMsg, RenamedSessionMsg, RenderMsg, ResizeCause as ProtoResizeCause,
+        ServerToClientMsg as ProtoServerToClientMsg, SetSoftKeyboardMsg,
+        SoftKeyboardVisibilityChangedMsg, StartWebServerMsg, SubscribeToPaneRendersMsg,
         SubscribedPaneClosedMsg, SwitchSessionMsg, TabMetadata as ProtoTabMetadata,
         TerminalPixelDimensionsMsg, TerminalResizeMsg, UnblockCliPipeInputMsg,
         UnblockInputThreadMsg, WebServerStartedMsg,
@@ -19,7 +20,7 @@ use crate::{
     data::{HostTerminalThemeMode, InputMode, PaneId},
     errors::prelude::*,
     ipc::{
-        ClientToServerMsg, ColorRegister, ExitReason, PaneReference, PixelDimensions,
+        ClientToServerMsg, ColorRegister, ExitReason, PaneReference, PixelDimensions, ResizeCause,
         ServerToClientMsg,
     },
 };
@@ -51,9 +52,11 @@ impl From<ClientToServerMsg> for ProtoClientToServerMsg {
                     color_registers: color_registers.into_iter().map(|cr| cr.into()).collect(),
                 })
             },
-            ClientToServerMsg::TerminalResize { new_size } => {
+            ClientToServerMsg::TerminalResize { new_size, cause } => {
+                let cause_proto: ProtoResizeCause = cause.into();
                 client_to_server_msg::Message::TerminalResize(TerminalResizeMsg {
                     new_size: Some(new_size.into()),
+                    cause: cause_proto as i32,
                 })
             },
             ClientToServerMsg::FirstClientConnected {
@@ -146,6 +149,11 @@ impl From<ClientToServerMsg> for ProtoClientToServerMsg {
                     },
                 )
             },
+            ClientToServerMsg::SoftKeyboardVisibilityChanged { visible } => {
+                client_to_server_msg::Message::SoftKeyboardVisibilityChanged(
+                    SoftKeyboardVisibilityChangedMsg { visible },
+                )
+            },
         };
 
         ProtoClientToServerMsg {
@@ -193,11 +201,15 @@ impl TryFrom<ProtoClientToServerMsg> for ClientToServerMsg {
                 })
             },
             Some(client_to_server_msg::Message::TerminalResize(resize)) => {
+                let cause = ProtoResizeCause::from_i32(resize.cause)
+                    .unwrap_or(ProtoResizeCause::Viewport)
+                    .into();
                 Ok(ClientToServerMsg::TerminalResize {
                     new_size: resize
                         .new_size
                         .ok_or_else(|| anyhow!("Missing new_size"))?
                         .try_into()?,
+                    cause,
                 })
             },
             Some(client_to_server_msg::Message::FirstClientConnected(first_client)) => {
@@ -287,6 +299,11 @@ impl TryFrom<ProtoClientToServerMsg> for ClientToServerMsg {
                     mode: proto_mode.into(),
                 })
             },
+            Some(client_to_server_msg::Message::SoftKeyboardVisibilityChanged(msg)) => {
+                Ok(ClientToServerMsg::SoftKeyboardVisibilityChanged {
+                    visible: msg.visible,
+                })
+            },
             None => Err(anyhow!("Empty ClientToServerMsg message")),
         }
     }
@@ -372,6 +389,9 @@ impl From<ServerToClientMsg> for ProtoServerToClientMsg {
                     query_bytes,
                 })
             },
+            ServerToClientMsg::SetSoftKeyboard { on } => {
+                server_to_client_msg::Message::SetSoftKeyboard(SetSoftKeyboardMsg { on })
+            },
         };
 
         ProtoServerToClientMsg {
@@ -484,6 +504,9 @@ impl TryFrom<ProtoServerToClientMsg> for ServerToClientMsg {
                     query_bytes: msg.query_bytes,
                 })
             },
+            Some(server_to_client_msg::Message::SetSoftKeyboard(msg)) => {
+                Ok(ServerToClientMsg::SetSoftKeyboard { on: msg.on })
+            },
             None => Err(anyhow!("Empty ServerToClientMsg message")),
         }
     }
@@ -732,6 +755,17 @@ impl From<crate::input::options::Options>
             visual_bell: options.visual_bell,
             focus_follows_mouse: options.focus_follows_mouse,
             mouse_click_through: options.mouse_click_through,
+            mobile_layout: options.mobile_layout.map(|m| {
+                use crate::client_server_contract::client_server_contract::MobileLayout as ProtoMobileLayout;
+                use crate::input::options::MobileLayoutConfiguration;
+                match m {
+                    MobileLayoutConfiguration::Web => ProtoMobileLayout::Web as i32,
+                    MobileLayoutConfiguration::Always => ProtoMobileLayout::Always as i32,
+                    MobileLayoutConfiguration::Never => ProtoMobileLayout::Never as i32,
+                }
+            }),
+            mobile_threshold_cols: options.mobile_threshold_cols.map(|v| v as u32),
+            mobile_threshold_rows: options.mobile_threshold_rows.map(|v| v as u32),
         }
     }
 }
@@ -744,8 +778,8 @@ impl TryFrom<crate::client_server_contract::client_server_contract::Options>
         options: crate::client_server_contract::client_server_contract::Options,
     ) -> Result<Self> {
         use crate::client_server_contract::client_server_contract::{
-            Clipboard as ProtoClipboard, OnForceClose as ProtoOnForceClose,
-            WebSharing as ProtoWebSharing,
+            Clipboard as ProtoClipboard, MobileLayout as ProtoMobileLayout,
+            OnForceClose as ProtoOnForceClose, WebSharing as ProtoWebSharing,
         };
 
         Ok(Self {
@@ -829,6 +863,23 @@ impl TryFrom<crate::client_server_contract::client_server_contract::Options>
             visual_bell: options.visual_bell,
             focus_follows_mouse: options.focus_follows_mouse,
             mouse_click_through: options.mouse_click_through,
+            mobile_layout: options
+                .mobile_layout
+                .map(|m| match ProtoMobileLayout::from_i32(m) {
+                    Some(ProtoMobileLayout::Web) => {
+                        Ok(crate::input::options::MobileLayoutConfiguration::Web)
+                    },
+                    Some(ProtoMobileLayout::Always) => {
+                        Ok(crate::input::options::MobileLayoutConfiguration::Always)
+                    },
+                    Some(ProtoMobileLayout::Never) => {
+                        Ok(crate::input::options::MobileLayoutConfiguration::Never)
+                    },
+                    _ => Err(anyhow!("Invalid MobileLayout value: {}", m)),
+                })
+                .transpose()?,
+            mobile_threshold_cols: options.mobile_threshold_cols.map(|v| v as u16),
+            mobile_threshold_rows: options.mobile_threshold_rows.map(|v| v as u16),
         })
     }
 }
@@ -1419,6 +1470,9 @@ impl From<crate::input::actions::Action>
             crate::input::actions::Action::ToggleMouseMode => {
                 ActionType::ToggleMouseMode(ToggleMouseModeAction {})
             },
+            crate::input::actions::Action::ToggleMobileMode => ActionType::ToggleMobileMode(
+                crate::client_server_contract::client_server_contract::ToggleMobileModeAction {},
+            ),
             crate::input::actions::Action::PreviousSwapLayout => {
                 ActionType::PreviousSwapLayout(PreviousSwapLayoutAction {})
             },
@@ -2284,6 +2338,7 @@ impl TryFrom<crate::client_server_contract::client_server_contract::Action>
                 })
             },
             ActionType::ToggleMouseMode(_) => Ok(crate::input::actions::Action::ToggleMouseMode),
+            ActionType::ToggleMobileMode(_) => Ok(crate::input::actions::Action::ToggleMobileMode),
             ActionType::PreviousSwapLayout(_) => {
                 Ok(crate::input::actions::Action::PreviousSwapLayout)
             },
@@ -3013,6 +3068,26 @@ impl TryFrom<ProtoExitReason> for ExitReason {
     }
 }
 
+impl From<ResizeCause> for ProtoResizeCause {
+    fn from(cause: ResizeCause) -> Self {
+        match cause {
+            ResizeCause::Viewport => ProtoResizeCause::Viewport,
+            ResizeCause::RenderingPreference => ProtoResizeCause::RenderingPreference,
+            ResizeCause::SizeSettled => ProtoResizeCause::SizeSettled,
+        }
+    }
+}
+
+impl From<ProtoResizeCause> for ResizeCause {
+    fn from(cause: ProtoResizeCause) -> Self {
+        match cause {
+            ProtoResizeCause::Viewport => ResizeCause::Viewport,
+            ProtoResizeCause::RenderingPreference => ResizeCause::RenderingPreference,
+            ProtoResizeCause::SizeSettled => ResizeCause::SizeSettled,
+        }
+    }
+}
+
 impl From<HostTerminalThemeMode> for ProtoHostTerminalThemeIndication {
     fn from(mode: HostTerminalThemeMode) -> Self {
         match mode {
@@ -3580,6 +3655,8 @@ impl From<crate::input::mouse::MouseEvent>
             middle: event.middle,
             wheel_up: event.wheel_up,
             wheel_down: event.wheel_down,
+            wheel_left: event.wheel_left,
+            wheel_right: event.wheel_right,
             shift: event.shift,
             alt: event.alt,
             ctrl: event.ctrl,
@@ -4167,6 +4244,8 @@ impl TryFrom<crate::client_server_contract::client_server_contract::MouseEvent>
             middle: event.middle,
             wheel_up: event.wheel_up,
             wheel_down: event.wheel_down,
+            wheel_left: event.wheel_left,
+            wheel_right: event.wheel_right,
             shift: event.shift,
             alt: event.alt,
             ctrl: event.ctrl,
diff --git a/zellij-utils/src/ipc/tests/roundtrip_tests.rs b/zellij-utils/src/ipc/tests/roundtrip_tests.rs
index 4847b679..280805ab 100644
--- a/zellij-utils/src/ipc/tests/roundtrip_tests.rs
+++ b/zellij-utils/src/ipc/tests/roundtrip_tests.rs
@@ -13,9 +13,10 @@ use crate::input::layout::{
     TiledPaneLayout,
 };
 use crate::input::mouse::{MouseEvent, MouseEventType};
-use crate::input::options::{Clipboard, OnForceClose, Options};
+use crate::input::options::{Clipboard, MobileLayoutConfiguration, OnForceClose, Options};
 use crate::ipc::{
-    ClientToServerMsg, ColorRegister, ExitReason, PaneReference, PixelDimensions, ServerToClientMsg,
+    ClientToServerMsg, ColorRegister, ExitReason, PaneReference, PixelDimensions, ResizeCause,
+    ServerToClientMsg,
 };
 use crate::pane_size::{Size, SizeInPixels};
 use crate::position::Position;
@@ -24,12 +25,6 @@ use std::path::PathBuf;
 
 #[test]
 fn server_client_contract() {
-    // here we test all possible values of each of the nested types in the server/client contract
-    // in the context of its message.
-    //
-    // we do a "roundtrip" test, meaning we take each message, encode it to protobuf bytes and
-    // decode it back to its rust type and then assert its equality with the original type to make
-    // sure they are identical and did not lose any information
     test_client_messages();
     test_server_messages();
 }
@@ -378,12 +373,18 @@ fn test_client_messages() {
     });
     test_client_roundtrip!(ClientToServerMsg::TerminalResize {
         new_size: Size { cols: 80, rows: 24 },
+        cause: ResizeCause::Viewport,
     });
     test_client_roundtrip!(ClientToServerMsg::TerminalResize {
         new_size: Size {
             cols: 200,
             rows: 50
         },
+        cause: ResizeCause::Viewport,
+    });
+    test_client_roundtrip!(ClientToServerMsg::TerminalResize {
+        new_size: Size { cols: 40, rows: 38 },
+        cause: ResizeCause::RenderingPreference,
     });
     test_client_roundtrip!(ClientToServerMsg::FirstClientConnected {
         cli_assets: CliAssets::default(),
@@ -478,6 +479,9 @@ fn test_client_messages() {
                 visual_bell: Some(true),
                 focus_follows_mouse: Some(false),
                 mouse_click_through: Some(false),
+                mobile_layout: Some(MobileLayoutConfiguration::Always),
+                mobile_threshold_cols: Some(72),
+                mobile_threshold_rows: Some(40),
             }),
             layout: None,
             terminal_window_size: Size { rows: 80, cols: 42 },
@@ -670,7 +674,6 @@ fn test_client_messages() {
         is_web_client: true,
     });
     test_client_roundtrip!(ClientToServerMsg::AttachClient {
-        // cli_assets tested extensively ijn FirstClientConnected, we can skip it here
         cli_assets: CliAssets::default(),
         tab_position_to_focus: None,
         pane_to_focus: None,
@@ -725,7 +728,6 @@ fn test_client_messages() {
     });
     test_client_roundtrip!(ClientToServerMsg::Action {
         action: Action::Write {
-            // KeyWithModifier is tested extensively in the Key ClientToServerMsg
             key_with_modifier: Some(KeyWithModifier::new(BareKey::Char('a'))),
             bytes: "a".as_bytes().to_vec(),
             is_kitty_keyboard_protocol: true,
@@ -744,7 +746,6 @@ fn test_client_messages() {
     });
     test_client_roundtrip!(ClientToServerMsg::Action {
         action: Action::SwitchToMode {
-            // InputMode is tested extensively in the Options conversion tests above
             input_mode: InputMode::Locked,
         },
         terminal_id: Some(1),
@@ -753,7 +754,6 @@ fn test_client_messages() {
     });
     test_client_roundtrip!(ClientToServerMsg::Action {
         action: Action::SwitchModeForAllClients {
-            // InputMode is tested extensively in the Options conversion tests above
             input_mode: InputMode::Locked,
         },
         terminal_id: Some(1),
@@ -834,7 +834,6 @@ fn test_client_messages() {
     });
     test_client_roundtrip!(ClientToServerMsg::Action {
         action: Action::MoveFocus {
-            // Direction is tested extensively elsewhere
             direction: Direction::Up,
         },
         terminal_id: Some(1),
@@ -2235,7 +2234,6 @@ fn test_client_messages() {
     });
     test_client_roundtrip!(ClientToServerMsg::Action {
         action: Action::Run {
-            // RunCommandAction serialization roundtrip is tested extensively upwards of here
             command: RunCommandAction {
                 command: PathBuf::from("/path/to/command"),
                 args: vec![],
@@ -2260,7 +2258,6 @@ fn test_client_messages() {
     });
     test_client_roundtrip!(ClientToServerMsg::Action {
         action: Action::LaunchOrFocusPlugin {
-            // RunPluginOrAlias serialization roundtrip is tested extensively upwards
             plugin: RunPluginOrAlias::RunPlugin(RunPlugin::default()),
             should_float: true,
             move_to_focused_tab: true,
@@ -2275,7 +2272,6 @@ fn test_client_messages() {
     });
     test_client_roundtrip!(ClientToServerMsg::Action {
         action: Action::LaunchOrFocusPlugin {
-            // RunPluginOrAlias serialization roundtrip is tested extensively upwards
             plugin: RunPluginOrAlias::Alias(PluginAlias::default()),
             should_float: false,
             move_to_focused_tab: false,
@@ -2290,7 +2286,6 @@ fn test_client_messages() {
     });
     test_client_roundtrip!(ClientToServerMsg::Action {
         action: Action::LaunchPlugin {
-            // RunPluginOrAlias serialization roundtrip is tested extensively upwards
             plugin: RunPluginOrAlias::RunPlugin(RunPlugin::default()),
             should_float: true,
             should_open_in_place: true,
@@ -2305,7 +2300,6 @@ fn test_client_messages() {
     });
     test_client_roundtrip!(ClientToServerMsg::Action {
         action: Action::LaunchPlugin {
-            // RunPluginOrAlias serialization roundtrip is tested extensively upwards
             plugin: RunPluginOrAlias::Alias(PluginAlias::default()),
             should_float: false,
             should_open_in_place: false,
@@ -2327,6 +2321,8 @@ fn test_client_messages() {
                 middle: true,
                 wheel_up: true,
                 wheel_down: true,
+                wheel_left: true,
+                wheel_right: true,
                 shift: true,
                 alt: true,
                 ctrl: true,
@@ -2346,6 +2342,8 @@ fn test_client_messages() {
                 middle: true,
                 wheel_up: true,
                 wheel_down: true,
+                wheel_left: true,
+                wheel_right: true,
                 shift: true,
                 alt: true,
                 ctrl: true,
@@ -2365,6 +2363,8 @@ fn test_client_messages() {
                 middle: true,
                 wheel_up: true,
                 wheel_down: true,
+                wheel_left: true,
+                wheel_right: true,
                 shift: true,
                 alt: true,
                 ctrl: true,
@@ -2530,7 +2530,6 @@ fn test_client_messages() {
         client_id: Some(100),
         is_cli_client: true,
     });
-    // tab_id roundtrip tests - verify tab_id survives serialization
     test_client_roundtrip!(ClientToServerMsg::Action {
         action: Action::NewTiledPane {
             direction: Some(Direction::Right),
@@ -3280,7 +3279,6 @@ fn test_client_messages() {
         scrollback: Some(0),
         ansi: true,
     });
-    // Pane-targeting roundtrips
     test_client_roundtrip!(ClientToServerMsg::Action {
         action: Action::ScrollUpByPaneId {
             pane_id: PaneId::Terminal(1),
@@ -3416,7 +3414,6 @@ fn test_client_messages() {
         client_id: Some(100),
         is_cli_client: true,
     });
-    // ANSI flag roundtrip tests
     test_client_roundtrip!(ClientToServerMsg::Action {
         action: Action::DumpScreen {
             file_path: Some("/path".to_owned()),
@@ -3500,7 +3497,6 @@ fn test_client_messages() {
         client_id: Some(100),
         is_cli_client: true,
     });
-    // Tab-targeting roundtrips
     test_client_roundtrip!(ClientToServerMsg::Action {
         action: Action::UndoRenameTabByTabId { id: 5 },
         terminal_id: Some(1),
@@ -3720,7 +3716,6 @@ fn test_server_messages() {
 
 #[test]
 fn set_pane_color_wire_roundtrip() {
-    // Test actual byte-level encode/decode, not just struct conversion
     use prost::Message;
 
     let original = ClientToServerMsg::Action {
@@ -3734,21 +3729,17 @@ fn set_pane_color_wire_roundtrip() {
         is_cli_client: true,
     };
 
-    // Rust -> proto struct
     let proto: crate::client_server_contract::client_server_contract::ClientToServerMsg =
         original.clone().into();
 
-    // proto struct -> bytes (what goes over the wire)
     let bytes = proto.encode_to_vec();
 
-    // bytes -> proto struct (what the server does)
     let decoded_proto =
         crate::client_server_contract::client_server_contract::ClientToServerMsg::decode(
             &bytes[..],
         )
         .expect("Failed to decode protobuf bytes");
 
-    // proto struct -> Rust
     let roundtrip: ClientToServerMsg = decoded_proto
         .try_into()
         .expect("Failed to convert decoded protobuf back to Rust");
@@ -3782,14 +3773,12 @@ fn rename_active_pane_wire_roundtrip() {
     let proto: crate::client_server_contract::client_server_contract::ClientToServerMsg =
         original.clone().into();
 
-    // proto struct → bytes → proto struct (the actual wire path)
     let mut buf = Vec::new();
     proto.encode(&mut buf).expect("Failed to encode protobuf");
     let decoded =
         crate::client_server_contract::client_server_contract::ClientToServerMsg::decode(&buf[..])
             .expect("Failed to decode protobuf bytes");
 
-    // proto struct → Rust
     let roundtrip: ClientToServerMsg = decoded
         .try_into()
         .expect("Failed to convert decoded protobuf back to Rust");
diff --git a/zellij-utils/src/ipc/tests/socket_tests.rs b/zellij-utils/src/ipc/tests/socket_tests.rs
index d0e9ce65..b1f8c15d 100644
--- a/zellij-utils/src/ipc/tests/socket_tests.rs
+++ b/zellij-utils/src/ipc/tests/socket_tests.rs
@@ -1,5 +1,5 @@
 use crate::ipc::{
-    ClientToServerMsg, IpcReceiverWithContext, IpcSenderWithContext, ServerToClientMsg,
+    ClientToServerMsg, IpcReceiverWithContext, IpcSenderWithContext, ResizeCause, ServerToClientMsg,
 };
 use crate::pane_size::Size;
 use interprocess::local_socket::{prelude::*, ListenerOptions};
@@ -162,9 +162,7 @@ fn bidirectional_communication_via_fd_duplication() {
         let stream = listener.incoming().next().unwrap().expect("accept failed");
         let mut sender: IpcSenderWithContext<ServerToClientMsg> = IpcSenderWithContext::new(stream);
 
-        // Create a receiver from the same socket via dup()
         let mut receiver: IpcReceiverWithContext<ClientToServerMsg> = sender.get_receiver();
-
         sender
             .send_server_msg(ServerToClientMsg::Connected)
             .expect("send failed");
@@ -181,7 +179,6 @@ fn bidirectional_communication_via_fd_duplication() {
     let stream = connect_stream(&name);
     let mut sender: IpcSenderWithContext<ClientToServerMsg> = IpcSenderWithContext::new(stream);
 
-    // Create a receiver from the same socket via dup()
     let mut receiver: IpcReceiverWithContext<ServerToClientMsg> = sender.get_receiver();
 
     let msg = receiver.recv_server_msg();
@@ -220,6 +217,7 @@ fn multiple_messages_in_sequence() {
                         rows: 50,
                         cols: 120,
                     },
+                    cause: ResizeCause::Viewport,
                 })
                 .expect("send 2 failed");
             sender
@@ -237,9 +235,10 @@ fn multiple_messages_in_sequence() {
 
     let (msg2, _) = receiver.recv_client_msg().expect("missing message 2");
     match msg2 {
-        ClientToServerMsg::TerminalResize { new_size } => {
+        ClientToServerMsg::TerminalResize { new_size, cause } => {
             assert_eq!(new_size.rows, 50);
             assert_eq!(new_size.cols, 120);
+            assert_eq!(cause, ResizeCause::Viewport);
         },
         other => panic!("expected TerminalResize, got: {:?}", other),
     }
@@ -264,7 +263,6 @@ fn receiver_returns_none_on_closed_connection() {
             sender
                 .send_client_msg(ClientToServerMsg::ConnStatus)
                 .expect("send failed");
-            // sender drops here, closing the connection
         }
     });
 
@@ -277,16 +275,10 @@ fn receiver_returns_none_on_closed_connection() {
     let msg = receiver.recv_client_msg();
     assert!(msg.is_some(), "should receive the sent message");
 
-    // After the sender is dropped, subsequent reads should return None
     let msg = receiver.recv_client_msg();
     assert!(msg.is_none(), "should return None after connection closed");
 }
 
-// --- Session discovery tests ---
-// These test the OS-specific mechanics used by get_sessions() in sessions.rs:
-// FileTypeExt::is_socket() for identifying socket files, and the assert_socket
-// probing pattern (connect, send ConnStatus, expect Connected).
-
 #[cfg(unix)]
 #[test]
 fn is_socket_identifies_bound_unix_socket() {
@@ -318,12 +310,9 @@ fn is_socket_rejects_regular_file() {
 
 #[test]
 fn session_probe_accepts_responding_socket() {
-    // Simulates the assert_socket() pattern from sessions.rs:
-    // A real Zellij server responds to ConnStatus with Connected.
     let (_guard, name) = new_ipc();
     let listener = bind_listener(&name);
 
-    // Spawn a fake "server" that responds to ConnStatus with Connected
     let server = std::thread::spawn(move || {
         let stream = listener.incoming().next().unwrap().expect("accept failed");
         let mut receiver: IpcReceiverWithContext<ClientToServerMsg> =
@@ -338,7 +327,6 @@ fn session_probe_accepts_responding_socket() {
             .expect("send failed");
     });
 
-    // Client-side probing (mirrors assert_socket in sessions.rs)
     let stream = connect_stream(&name);
     let mut sender: IpcSenderWithContext<ClientToServerMsg> = IpcSenderWithContext::new(stream);
     sender
@@ -357,15 +345,11 @@ fn session_probe_accepts_responding_socket() {
 
 #[test]
 fn session_probe_rejects_dead_socket() {
-    // Simulates discovering a stale socket file with no listener.
-    // get_sessions() filters these out via assert_socket() which tries to connect.
     let (_guard, name) = new_ipc();
 
-    // Bind and immediately drop the listener to create a stale socket file
     {
         let _listener = bind_listener(&name);
     }
-    // Listener is dropped -- the socket file may still exist but nobody is listening
 
     let result = try_connect(&name);
     assert!(
@@ -380,21 +364,17 @@ fn socket_directory_enumeration_finds_sockets() {
     use interprocess::local_socket::GenericFilePath;
     use std::os::unix::fs::FileTypeExt;
 
-    // Simulates the readdir + is_socket() filtering pattern from get_sessions().
     let dir = tempfile::TempDir::new().expect("failed to create temp dir");
 
-    // Create a socket
     let sock_path = dir.path().join("test-session");
     let _listener = ListenerOptions::new()
         .name(sock_path.as_path().to_fs_name::<GenericFilePath>().unwrap())
         .create_sync()
         .expect("bind failed");
 
-    // Create a regular file (should be filtered out)
     let file_path = dir.path().join("not-a-session");
     std::fs::write(&file_path, b"data").expect("write failed");
 
-    // Enumerate the directory, filtering for sockets (same pattern as get_sessions)
     let entries: Vec<String> = std::fs::read_dir(dir.path())
         .expect("read_dir failed")
         .filter_map(|entry| {
diff --git a/zellij-utils/src/kdl/mod.rs b/zellij-utils/src/kdl/mod.rs
index c7cc5366..0164ef92 100644
--- a/zellij-utils/src/kdl/mod.rs
+++ b/zellij-utils/src/kdl/mod.rs
@@ -81,6 +81,7 @@ macro_rules! parse_kdl_action_arguments {
                 "Confirm" => Ok(Action::Confirm),
                 "Deny" => Ok(Action::Deny),
                 "ToggleMouseMode" => Ok(Action::ToggleMouseMode),
+                "ToggleMobileMode" => Ok(Action::ToggleMobileMode),
                 "PreviousSwapLayout" => Ok(Action::PreviousSwapLayout),
                 "NextSwapLayout" => Ok(Action::NextSwapLayout),
                 "Clear" => Ok(Action::ClearScreen),
@@ -1240,6 +1241,7 @@ impl Action {
                 Some(node)
             },
             Action::ToggleMouseMode => Some(KdlNode::new("ToggleMouseMode")),
+            Action::ToggleMobileMode => Some(KdlNode::new("ToggleMobileMode")),
             Action::PreviousSwapLayout => Some(KdlNode::new("PreviousSwapLayout")),
             Action::NextSwapLayout => Some(KdlNode::new("NextSwapLayout")),
             Action::BreakPane => Some(KdlNode::new("BreakPane")),
@@ -1582,6 +1584,9 @@ impl TryFrom<(&KdlNode, &Options)> for Action {
             "ToggleMouseMode" => {
                 parse_kdl_action_arguments!(action_name, action_arguments, kdl_action)
             },
+            "ToggleMobileMode" => {
+                parse_kdl_action_arguments!(action_name, action_arguments, kdl_action)
+            },
             "Detach" => parse_kdl_action_arguments!(action_name, action_arguments, kdl_action),
             "SwitchSession" => {
                 let name = kdl_get_string_property_or_child_value!(kdl_action, "name")
@@ -2824,6 +2829,39 @@ impl Options {
         let mouse_click_through =
             kdl_property_first_arg_as_bool_or_error!(kdl_options, "mouse_click_through")
                 .map(|(v, _)| v);
+        let mobile_layout =
+            match kdl_property_first_arg_as_string_or_error!(kdl_options, "mobile_layout") {
+                Some((value, entry)) => {
+                    use crate::input::options::MobileLayoutConfiguration;
+                    match value.parse::<MobileLayoutConfiguration>() {
+                        Ok(v) => Some(v),
+                        Err(e) => return Err(kdl_parsing_error!(e, entry)),
+                    }
+                },
+                None => None,
+            };
+        let mobile_threshold_cols =
+            match kdl_property_first_arg_as_i64_or_error!(kdl_options, "mobile_threshold_cols") {
+                Some((value, _)) if value >= 0 => Some(value as u16),
+                Some((value, entry)) => {
+                    return Err(kdl_parsing_error!(
+                        format!("mobile_threshold_cols must be >= 0, found '{}'", value),
+                        entry
+                    ));
+                },
+                None => None,
+            };
+        let mobile_threshold_rows =
+            match kdl_property_first_arg_as_i64_or_error!(kdl_options, "mobile_threshold_rows") {
+                Some((value, _)) if value >= 0 => Some(value as u16),
+                Some((value, entry)) => {
+                    return Err(kdl_parsing_error!(
+                        format!("mobile_threshold_rows must be >= 0, found '{}'", value),
+                        entry
+                    ));
+                },
+                None => None,
+            };
 
         Ok(Options {
             simplified_ui,
@@ -2873,6 +2911,9 @@ impl Options {
             enforce_https_for_localhost,
             post_command_discovery_hook,
             client_async_worker_tasks,
+            mobile_layout,
+            mobile_threshold_cols,
+            mobile_threshold_rows,
         })
     }
     pub fn from_string(stringified_keybindings: &String) -> Result<Self, ConfigError> {
@@ -4218,6 +4259,94 @@ impl Options {
             None
         }
     }
+    fn mobile_layout_to_kdl(&self, add_comments: bool) -> Option<KdlNode> {
+        use crate::input::options::MobileLayoutConfiguration;
+        let comment_text = format!(
+            "{}\n{}\n{}\n{}\n{}\n{}\n{}",
+            " ",
+            "// When attached clients land in the mobile UI plugin.",
+            "// Options:",
+            "//   - \"web\" (Default — web clients only, gated on mobile_threshold_cols/rows)",
+            "//   - \"always\" (any client, gated on mobile_threshold_cols/rows)",
+            "//   - \"never\"",
+            "// ",
+        );
+        let create_node = |value: MobileLayoutConfiguration| -> KdlNode {
+            let mut node = KdlNode::new("mobile_layout");
+            let s = match value {
+                MobileLayoutConfiguration::Web => "web",
+                MobileLayoutConfiguration::Always => "always",
+                MobileLayoutConfiguration::Never => "never",
+            };
+            node.push(KdlValue::String(s.to_string()));
+            node
+        };
+        if let Some(value) = self.mobile_layout {
+            let mut node = create_node(value);
+            if add_comments {
+                node.set_leading(format!("{}\n", comment_text));
+            }
+            Some(node)
+        } else if add_comments {
+            let mut node = create_node(MobileLayoutConfiguration::Web);
+            node.set_leading(format!("{}\n// ", comment_text));
+            Some(node)
+        } else {
+            None
+        }
+    }
+    fn mobile_threshold_cols_to_kdl(&self, add_comments: bool) -> Option<KdlNode> {
+        let comment_text = format!(
+            "{}\n{}\n{}",
+            " ",
+            "// Column breakpoint for mobile_layout (web/always). 0 = always match.",
+            "// Default: 60",
+        );
+        let create_node = |value: u16| -> KdlNode {
+            let mut node = KdlNode::new("mobile_threshold_cols");
+            node.push(KdlValue::Base10(value as i64));
+            node
+        };
+        if let Some(value) = self.mobile_threshold_cols {
+            let mut node = create_node(value);
+            if add_comments {
+                node.set_leading(format!("{}\n", comment_text));
+            }
+            Some(node)
+        } else if add_comments {
+            let mut node = create_node(60);
+            node.set_leading(format!("{}\n// ", comment_text));
+            Some(node)
+        } else {
+            None
+        }
+    }
+    fn mobile_threshold_rows_to_kdl(&self, add_comments: bool) -> Option<KdlNode> {
+        let comment_text = format!(
+            "{}\n{}\n{}",
+            " ",
+            "// Row breakpoint for mobile_layout (web/always). 0 = always match.",
+            "// Default: 30",
+        );
+        let create_node = |value: u16| -> KdlNode {
+            let mut node = KdlNode::new("mobile_threshold_rows");
+            node.push(KdlValue::Base10(value as i64));
+            node
+        };
+        if let Some(value) = self.mobile_threshold_rows {
+            let mut node = create_node(value);
+            if add_comments {
+                node.set_leading(format!("{}\n", comment_text));
+            }
+            Some(node)
+        } else if add_comments {
+            let mut node = create_node(30);
+            node.set_leading(format!("{}\n// ", comment_text));
+            Some(node)
+        } else {
+            None
+        }
+    }
     fn client_async_worker_tasks_to_kdl(&self, add_comments: bool) -> Option<KdlNode> {
         let comment_text = r#"
 // Number of async worker tasks to spawn per active client.
@@ -4396,6 +4525,15 @@ impl Options {
         {
             nodes.push(client_async_worker_tasks);
         }
+        if let Some(mobile_layout) = self.mobile_layout_to_kdl(add_comments) {
+            nodes.push(mobile_layout);
+        }
+        if let Some(mobile_threshold_cols) = self.mobile_threshold_cols_to_kdl(add_comments) {
+            nodes.push(mobile_threshold_cols);
+        }
+        if let Some(mobile_threshold_rows) = self.mobile_threshold_rows_to_kdl(add_comments) {
+            nodes.push(mobile_threshold_rows);
+        }
         nodes
     }
 }
@@ -7111,6 +7249,9 @@ fn config_options_to_string() {
         support_kitty_keyboard_protocol false
         web_server true
         web_sharing "disabled"
+        mobile_layout "always"
+        mobile_threshold_cols 72
+        mobile_threshold_rows 0
     "##;
     let document: KdlDocument = fake_config.parse().unwrap();
     let deserialized = Options::from_kdl(&document).unwrap();
@@ -7158,6 +7299,9 @@ fn config_options_to_string_with_comments() {
         support_kitty_keyboard_protocol false
         web_server true
         web_sharing "disabled"
+        mobile_layout "always"
+        mobile_threshold_cols 72
+        mobile_threshold_rows 0
     "##;
     let document: KdlDocument = fake_config.parse().unwrap();
     let deserialized = Options::from_kdl(&document).unwrap();
@@ -7192,6 +7336,37 @@ fn config_options_to_string_without_options() {
 }
 
 #[test]
+fn mobile_layout_kdl_round_trip_for_every_variant() {
+    use crate::input::options::MobileLayoutConfiguration;
+    let cases = [
+        ("web", MobileLayoutConfiguration::Web, (60, 30)),
+        ("always", MobileLayoutConfiguration::Always, (0, 0)),
+        ("never", MobileLayoutConfiguration::Never, (40, 0)),
+    ];
+    for (value, expected, (cols, rows)) in cases {
+        let fake_config = format!(
+            r##"
+                mobile_layout "{value}"
+                mobile_threshold_cols {cols}
+                mobile_threshold_rows {rows}
+            "##
+        );
+        let document: KdlDocument = fake_config.parse().unwrap();
+        let parsed = Options::from_kdl(&document).unwrap();
+        assert_eq!(parsed.mobile_layout, Some(expected), "case: {value}");
+        assert_eq!(parsed.mobile_threshold_cols, Some(cols), "case: {value}");
+        assert_eq!(parsed.mobile_threshold_rows, Some(rows), "case: {value}");
+
+        let mut serialized = Options::to_kdl(&parsed, false);
+        let mut fake_document = KdlDocument::new();
+        fake_document.nodes_mut().append(&mut serialized);
+        let reparsed =
+            Options::from_kdl(&fake_document.to_string().parse::<KdlDocument>().unwrap()).unwrap();
+        assert_eq!(parsed, reparsed, "round-trip mismatch for {value}");
+    }
+}
+
+#[test]
 fn config_options_to_string_with_some_options() {
     let fake_config = r##"
         default_layout "compact"
diff --git a/zellij-utils/src/kdl/snapshots/zellij_utils__kdl__bare_config_from_default_assets_to_string.snap b/zellij-utils/src/kdl/snapshots/zellij_utils__kdl__bare_config_from_default_assets_to_string.snap
index 6eda59b9..1ab39935 100644
--- a/zellij-utils/src/kdl/snapshots/zellij_utils__kdl__bare_config_from_default_assets_to_string.snap
+++ b/zellij-utils/src/kdl/snapshots/zellij_utils__kdl__bare_config_from_default_assets_to_string.snap
@@ -261,6 +261,7 @@ plugins {
     filepicker location="zellij:strider" {
         cwd "/"
     }
+    mobile location="zellij:mobile"
     plugin-manager location="zellij:plugin-manager"
     session-manager location="zellij:session-manager"
     status-bar location="zellij:status-bar"
diff --git a/zellij-utils/src/kdl/snapshots/zellij_utils__kdl__bare_config_from_default_assets_to_string_with_comments.snap b/zellij-utils/src/kdl/snapshots/zellij_utils__kdl__bare_config_from_default_assets_to_string_with_comments.snap
index c49fa8f9..5dbede33 100644
--- a/zellij-utils/src/kdl/snapshots/zellij_utils__kdl__bare_config_from_default_assets_to_string_with_comments.snap
+++ b/zellij-utils/src/kdl/snapshots/zellij_utils__kdl__bare_config_from_default_assets_to_string_with_comments.snap
@@ -264,6 +264,7 @@ plugins {
     filepicker location="zellij:strider" {
         cwd "/"
     }
+    mobile location="zellij:mobile"
     plugin-manager location="zellij:plugin-manager"
     session-manager location="zellij:session-manager"
     status-bar location="zellij:status-bar"
@@ -582,4 +583,19 @@ web_client {
 // typically work best. Set to 0 to use the number of (physical) CPU cores.
 // Note: This only applies to web clients at the moment.
 // client_async_worker_tasks 4
-
+ 
+// When attached clients land in the mobile UI plugin.
+// Options:
+//   - "web" (Default — web clients only, gated on mobile_threshold_cols/rows)
+//   - "always" (any client, gated on mobile_threshold_cols/rows)
+//   - "never"
+// 
+// mobile_layout "web"
+ 
+// Column breakpoint for mobile_layout (web/always). 0 = always match.
+// Default: 60
+// mobile_threshold_cols 60
+ 
+// Row breakpoint for mobile_layout (web/always). 0 = always match.
+// Default: 30
+// mobile_threshold_rows 30
diff --git a/zellij-utils/src/kdl/snapshots/zellij_utils__kdl__config_options_to_string.snap b/zellij-utils/src/kdl/snapshots/zellij_utils__kdl__config_options_to_string.snap
index 6c78ea96..43c82f7e 100644
--- a/zellij-utils/src/kdl/snapshots/zellij_utils__kdl__config_options_to_string.snap
+++ b/zellij-utils/src/kdl/snapshots/zellij_utils__kdl__config_options_to_string.snap
@@ -31,3 +31,6 @@ disable_session_metadata true
 support_kitty_keyboard_protocol false
 web_server true
 web_sharing "disabled"
+mobile_layout "always"
+mobile_threshold_cols 72
+mobile_threshold_rows 0
diff --git a/zellij-utils/src/kdl/snapshots/zellij_utils__kdl__config_options_to_string_with_comments.snap b/zellij-utils/src/kdl/snapshots/zellij_utils__kdl__config_options_to_string_with_comments.snap
index eda40849..347a2074 100644
--- a/zellij-utils/src/kdl/snapshots/zellij_utils__kdl__config_options_to_string_with_comments.snap
+++ b/zellij-utils/src/kdl/snapshots/zellij_utils__kdl__config_options_to_string_with_comments.snap
@@ -301,4 +301,19 @@ web_sharing "disabled"
 // typically work best. Set to 0 to use the number of (physical) CPU cores.
 // Note: This only applies to web clients at the moment.
 // client_async_worker_tasks 4
-
+ 
+// When attached clients land in the mobile UI plugin.
+// Options:
+//   - "web" (Default — web clients only, gated on mobile_threshold_cols/rows)
+//   - "always" (any client, gated on mobile_threshold_cols/rows)
+//   - "never"
+// 
+mobile_layout "always"
+ 
+// Column breakpoint for mobile_layout (web/always). 0 = always match.
+// Default: 60
+mobile_threshold_cols 72
+ 
+// Row breakpoint for mobile_layout (web/always). 0 = always match.
+// Default: 30
+mobile_threshold_rows 0
diff --git a/zellij-utils/src/pane_size.rs b/zellij-utils/src/pane_size.rs
index 4ba87326..454e73c5 100644
--- a/zellij-utils/src/pane_size.rs
+++ b/zellij-utils/src/pane_size.rs
@@ -68,7 +68,7 @@ pub struct Offset {
     pub left: usize,
 }
 
-#[derive(Clone, Copy, Default, PartialEq, Debug, Serialize, Deserialize)]
+#[derive(Clone, Copy, Default, PartialEq, Eq, Debug, Serialize, Deserialize)]
 pub struct Size {
     pub rows: usize,
     pub cols: usize,
@@ -80,6 +80,14 @@ pub struct SizeInPixels {
     pub width: usize,
 }
 
+#[derive(Clone, Copy, Default, PartialEq, Eq, Debug, Serialize, Deserialize)]
+pub struct Insets {
+    pub top: usize,
+    pub bottom: usize,
+    pub left: usize,
+    pub right: usize,
+}
+
 #[derive(Eq, Clone, Copy, PartialEq, Debug, Serialize, Deserialize, Hash)]
 pub struct Dimension {
     pub constraint: Constraint,
diff --git a/zellij-utils/src/plugin_api/action.proto b/zellij-utils/src/plugin_api/action.proto
index 28a8337e..7eedf393 100644
--- a/zellij-utils/src/plugin_api/action.proto
+++ b/zellij-utils/src/plugin_api/action.proto
@@ -586,6 +586,8 @@ message MouseEventPayload {
   bool ctrl = 9;
   int64 line = 10;
   int64 column = 11;
+  bool wheel_left = 12;
+  bool wheel_right = 13;
 }
 
 message RunCommandAction {
diff --git a/zellij-utils/src/plugin_api/action.rs b/zellij-utils/src/plugin_api/action.rs
index cd3e1522..34b3adce 100644
--- a/zellij-utils/src/plugin_api/action.rs
+++ b/zellij-utils/src/plugin_api/action.rs
@@ -1943,7 +1943,8 @@ impl TryFrom<Action> for ProtobufAction {
             | Action::SaveSession
             | Action::ListTabs { .. }
             | Action::CurrentTabInfo { .. }
-            | Action::SetPaneColor { .. } => Err("Unsupported action"),
+            | Action::SetPaneColor { .. }
+            | Action::ToggleMobileMode => Err("Unsupported action"),
         }
     }
 }
@@ -2097,6 +2098,8 @@ impl TryFrom<ProtobufMouseEventPayload> for MouseEvent {
             middle: protobuf_event.middle as bool,
             wheel_up: protobuf_event.wheel_up as bool,
             wheel_down: protobuf_event.wheel_down as bool,
+            wheel_left: protobuf_event.wheel_left as bool,
+            wheel_right: protobuf_event.wheel_right as bool,
             shift: protobuf_event.shift as bool,
             alt: protobuf_event.alt as bool,
             ctrl: protobuf_event.ctrl as bool,
@@ -2119,6 +2122,8 @@ impl TryFrom<MouseEvent> for ProtobufMouseEventPayload {
             middle: event.middle as bool,
             wheel_up: event.wheel_up as bool,
             wheel_down: event.wheel_down as bool,
+            wheel_left: event.wheel_left as bool,
+            wheel_right: event.wheel_right as bool,
             shift: event.shift as bool,
             alt: event.alt as bool,
             ctrl: event.ctrl as bool,
diff --git a/zellij-utils/src/plugin_api/event.proto b/zellij-utils/src/plugin_api/event.proto
index 5334f434..2567c657 100644
--- a/zellij-utils/src/plugin_api/event.proto
+++ b/zellij-utils/src/plugin_api/event.proto
@@ -69,6 +69,7 @@ enum EventType {
     InitialKeybinds = 44;
     CommandChanged = 45;
     HostTerminalThemeChanged = 46;
+    SoftKeyboardVisibilityChanged = 47;
 }
 
 message EventNameList {
@@ -117,6 +118,7 @@ message Event {
     InitialKeybindsPayload initial_keybinds_payload = 38;
     CommandChangedPayload command_changed_payload = 39;
     HostTerminalThemeChangedPayload host_terminal_theme_changed_payload = 40;
+    SoftKeyboardVisibilityChangedPayload soft_keyboard_visibility_changed_payload = 41;
   }
 }
 
@@ -124,6 +126,10 @@ message HostTerminalThemeChangedPayload {
   HostTerminalThemeIndication mode = 1;
 }
 
+message SoftKeyboardVisibilityChangedPayload {
+  bool visible = 1;
+}
+
 enum HostTerminalThemeIndication {
   Dark = 0;
   Light = 1;
@@ -305,6 +311,8 @@ enum MouseEventName {
     MouseHold = 4;
     MouseRelease = 5;
     MouseHover = 6;
+    MouseScrollLeft = 7;
+    MouseScrollRight = 8;
 }
 
 message TabUpdatePayload {
@@ -512,6 +520,7 @@ message PaneContents {
   optional SelectedText selected_text = 2;
   repeated string lines_above_viewport = 3;
   repeated string lines_below_viewport = 4;
+  optional action.Position cursor = 5;
 }
 
 message PaneScrollbackResponse {
diff --git a/zellij-utils/src/plugin_api/event.rs b/zellij-utils/src/plugin_api/event.rs
index af421fac..5ba106d0 100644
--- a/zellij-utils/src/plugin_api/event.rs
+++ b/zellij-utils/src/plugin_api/event.rs
@@ -26,6 +26,7 @@ pub use super::generated_api::api::{
         PluginConfigurationChangedPayload as ProtobufPluginConfigurationChangedPayload,
         PluginInfo as ProtobufPluginInfo, ResurrectableSession as ProtobufResurrectableSession,
         SelectedText as ProtobufSelectedText, SessionManifest as ProtobufSessionManifest,
+        SoftKeyboardVisibilityChangedPayload as ProtobufSoftKeyboardVisibilityChangedPayload,
         SyntaxError as ProtobufSyntaxError, TabInfo as ProtobufTabInfo,
         TabMetadata as ProtobufTabMetadata, UserActionPayload as ProtobufUserActionPayload,
         WebServerStatusPayload as ProtobufWebServerStatusPayload, WebSharing as ProtobufWebSharing,
@@ -588,6 +589,14 @@ impl TryFrom<ProtobufEvent> for Event {
                 },
                 _ => Err("Malformed payload for HostTerminalThemeChanged Event"),
             },
+            Some(ProtobufEventType::SoftKeyboardVisibilityChanged) => {
+                match protobuf_event.payload {
+                    Some(ProtobufEventPayload::SoftKeyboardVisibilityChangedPayload(p)) => {
+                        Ok(Event::SoftKeyboardVisibilityChanged(p.visible))
+                    },
+                    _ => Err("Malformed payload for SoftKeyboardVisibilityChanged Event"),
+                }
+            },
             None => Err("Unknown Protobuf Event"),
         }
     }
@@ -1129,6 +1138,15 @@ impl TryFrom<Event> for ProtobufEvent {
                     payload: Some(event::Payload::HostTerminalThemeChangedPayload(payload)),
                 })
             },
+            Event::SoftKeyboardVisibilityChanged(visible) => {
+                let payload = ProtobufSoftKeyboardVisibilityChangedPayload { visible };
+                Ok(ProtobufEvent {
+                    name: ProtobufEventType::SoftKeyboardVisibilityChanged as i32,
+                    payload: Some(event::Payload::SoftKeyboardVisibilityChangedPayload(
+                        payload,
+                    )),
+                })
+            },
             Event::InitialKeybinds(keybinds) => {
                 let mut protobuf_keybinds: Vec<ProtobufInputModeKeybinds> = vec![];
                 for (input_mode, input_mode_keybinds) in keybinds {
@@ -1624,6 +1642,22 @@ impl TryFrom<MouseEventPayload> for Mouse {
                 ),
                 _ => Err("Malformed payload for mouse hover"),
             },
+            Some(MouseEventName::MouseScrollLeft) => {
+                match mouse_event_payload.mouse_event_payload {
+                    Some(mouse_event_payload::MouseEventPayload::LineCount(line_count)) => {
+                        Ok(Mouse::ScrollLeft(line_count as usize))
+                    },
+                    _ => Err("Malformed payload for mouse scroll left"),
+                }
+            },
+            Some(MouseEventName::MouseScrollRight) => {
+                match mouse_event_payload.mouse_event_payload {
+                    Some(mouse_event_payload::MouseEventPayload::LineCount(line_count)) => {
+                        Ok(Mouse::ScrollRight(line_count as usize))
+                    },
+                    _ => Err("Malformed payload for mouse scroll right"),
+                }
+            },
             None => Err("Malformed payload for MouseEventName"),
         }
     }
@@ -1690,6 +1724,18 @@ impl TryFrom<Mouse> for MouseEventPayload {
                     },
                 )),
             }),
+            Mouse::ScrollLeft(cols) => Ok(MouseEventPayload {
+                mouse_event_name: MouseEventName::MouseScrollLeft as i32,
+                mouse_event_payload: Some(mouse_event_payload::MouseEventPayload::LineCount(
+                    cols as u32,
+                )),
+            }),
+            Mouse::ScrollRight(cols) => Ok(MouseEventPayload {
+                mouse_event_name: MouseEventName::MouseScrollRight as i32,
+                mouse_event_payload: Some(mouse_event_payload::MouseEventPayload::LineCount(
+                    cols as u32,
+                )),
+            }),
         }
     }
 }
@@ -2078,6 +2124,9 @@ impl TryFrom<ProtobufEventType> for EventType {
             ProtobufEventType::HighlightClicked => EventType::HighlightClicked,
             ProtobufEventType::InitialKeybinds => EventType::InitialKeybinds,
             ProtobufEventType::HostTerminalThemeChanged => EventType::HostTerminalThemeChanged,
+            ProtobufEventType::SoftKeyboardVisibilityChanged => {
+                EventType::SoftKeyboardVisibilityChanged
+            },
         })
     }
 }
@@ -2132,6 +2181,9 @@ impl TryFrom<EventType> for ProtobufEventType {
             EventType::HighlightClicked => ProtobufEventType::HighlightClicked,
             EventType::InitialKeybinds => ProtobufEventType::InitialKeybinds,
             EventType::HostTerminalThemeChanged => ProtobufEventType::HostTerminalThemeChanged,
+            EventType::SoftKeyboardVisibilityChanged => {
+                ProtobufEventType::SoftKeyboardVisibilityChanged
+            },
         })
     }
 }
@@ -2986,12 +3038,16 @@ impl TryFrom<ProtobufPaneContents> for PaneContents {
             .selected_text
             .map(|st| st.try_into())
             .transpose()?;
+        let cursor = protobuf_contents
+            .cursor
+            .map(|p| (p.column as usize, p.line as usize));
 
         Ok(PaneContents {
             viewport: protobuf_contents.viewport,
             selected_text,
             lines_above_viewport: protobuf_contents.lines_above_viewport,
             lines_below_viewport: protobuf_contents.lines_below_viewport,
+            cursor,
         })
     }
 }
@@ -3003,12 +3059,17 @@ impl TryFrom<PaneContents> for ProtobufPaneContents {
             .selected_text
             .map(|st| st.try_into())
             .transpose()?;
+        let cursor = pane_contents.cursor.map(|(x, y)| ProtobufPosition {
+            line: y as i64,
+            column: x as i64,
+        });
 
         Ok(ProtobufPaneContents {
             viewport: pane_contents.viewport,
             selected_text,
             lines_above_viewport: pane_contents.lines_above_viewport,
             lines_below_viewport: pane_contents.lines_below_viewport,
+            cursor,
         })
     }
 }
@@ -3104,6 +3165,7 @@ fn serialize_pane_render_report_with_ansi_event_with_data() {
             selected_text: None,
             lines_above_viewport: vec![],
             lines_below_viewport: vec![],
+            cursor: None,
         },
     );
     let event = Event::PaneRenderReportWithAnsi(pane_contents_map);
diff --git a/zellij-utils/src/plugin_api/plugin_command.proto b/zellij-utils/src/plugin_api/plugin_command.proto
index 729159e3..c65bcbfd 100644
--- a/zellij-utils/src/plugin_api/plugin_command.proto
+++ b/zellij-utils/src/plugin_api/plugin_command.proto
@@ -207,6 +207,12 @@ enum CommandName {
   KillSessionsAndReply = 212;
   DeleteDeadSessionAndReply = 213;
   DeleteAllDeadSessionsAndReply = 214;
+  SetSoftKeyboard = 215;
+  SetTabFit = 216;
+  SetShadowFocus = 219;
+  NewTabUnfocused = 220;
+  NewTiledPaneInTab = 221;
+  ExitMobileMode = 222;
 }
 
 message PluginCommand {
@@ -361,6 +367,11 @@ message PluginCommand {
     GetSessionListPayload get_session_list_payload = 161;
     KillSessionsPayload kill_sessions_and_reply_payload = 162;
     string delete_dead_session_and_reply_payload = 163;
+    SetSoftKeyboardPayload set_soft_keyboard_payload = 164;
+    SetTabFitPayload set_tab_fit_payload = 165;
+    PaneId set_shadow_focus_payload = 167;
+    NewTabUnfocusedPayload new_tab_unfocused_payload = 168;
+    NewTiledPaneInTabPayload new_tiled_pane_in_tab_payload = 169;
   }
 }
 
@@ -369,6 +380,15 @@ message NewTabPayload {
   optional string cwd = 2;
 }
 
+message NewTabUnfocusedPayload {
+  optional string name = 1;
+  optional string cwd = 2;
+}
+
+message NewTiledPaneInTabPayload {
+  uint32 tab_position = 1;
+}
+
 message DumpSessionLayoutPayload {
   optional uint32 tab_index = 1;
 }
@@ -1057,6 +1077,17 @@ message NewTabResponse {
   }
 }
 
+message NewTabUnfocusedResponse {
+  oneof result {
+    uint64 tab_id = 1;
+    bool none = 2;
+  }
+}
+
+message NewTiledPaneInTabResponse {
+  optional PaneId pane_id = 1;
+}
+
 message NewTabsResponse {
   repeated uint64 tab_ids = 1;  // Only includes successfully created tabs
 }
@@ -1328,3 +1359,18 @@ message DeleteDeadSessionResponse {
 message DeleteAllDeadSessionsResponse {
   optional string error = 1; // absent => success
 }
+
+message SetSoftKeyboardPayload {
+  bool on = 1;
+}
+
+message Size {
+  uint32 rows = 1;
+  uint32 cols = 2;
+}
+
+message SetTabFitPayload {
+  uint32 tab_id = 1;
+  PaneId pane_id = 2;
+  Size size = 3;
+}
diff --git a/zellij-utils/src/plugin_api/plugin_command.rs b/zellij-utils/src/plugin_api/plugin_command.rs
index fa77739a..42b0774f 100644
--- a/zellij-utils/src/plugin_api/plugin_command.rs
+++ b/zellij-utils/src/plugin_api/plugin_command.rs
@@ -13,9 +13,9 @@ pub use super::generated_api::api::{
         get_focused_pane_info_response, get_pane_cwd_response, get_pane_pid_response,
         get_pane_running_command_response, get_session_list_response, hide_floating_panes_response,
         highlight_style::Style as ProtobufHighlightStyleVariant, new_tab_response,
-        parse_layout_response, plugin_command::Payload, rename_layout_response,
-        save_layout_response, save_session_response, show_floating_panes_response,
-        BreakPanesToNewTabPayload,
+        new_tab_unfocused_response, parse_layout_response, plugin_command::Payload,
+        rename_layout_response, save_layout_response, save_session_response,
+        show_floating_panes_response, BreakPanesToNewTabPayload,
         BreakPanesToNewTabResponse as ProtobufBreakPanesToNewTabResponse,
         BreakPanesToTabWithIdPayload,
         BreakPanesToTabWithIdResponse as ProtobufBreakPanesToTabWithIdResponse,
@@ -65,8 +65,10 @@ pub use super::generated_api::api::{
         KillSessionsResponse as ProtobufKillSessionsResponse, ListTokensResponse,
         LoadNewPluginPayload, MessageToPluginPayload, MovePaneWithPaneIdInDirectionPayload,
         MovePaneWithPaneIdPayload, MovePayload, NewPluginArgs as ProtobufNewPluginArgs,
-        NewTabPayload, NewTabResponse as ProtobufNewTabResponse,
+        NewTabPayload, NewTabResponse as ProtobufNewTabResponse, NewTabUnfocusedPayload,
+        NewTabUnfocusedResponse as ProtobufNewTabUnfocusedResponse,
         NewTabsResponse as ProtobufNewTabsResponse, NewTabsWithLayoutInfoPayload,
+        NewTiledPaneInTabPayload, NewTiledPaneInTabResponse as ProtobufNewTiledPaneInTabResponse,
         OpenCommandPaneBackgroundResponse as ProtobufOpenCommandPaneBackgroundResponse,
         OpenCommandPaneFloatingNearPluginPayload,
         OpenCommandPaneFloatingNearPluginResponse as ProtobufOpenCommandPaneFloatingNearPluginResponse,
@@ -119,13 +121,15 @@ pub use super::generated_api::api::{
         ScrollToBottomInPaneIdPayload, ScrollToTopInPaneIdPayload, ScrollUpInPaneIdPayload,
         SessionListSnapshot as ProtobufSessionListSnapshot, SetFloatingPanePinnedPayload,
         SetPaneBorderlessPayload, SetPaneColorPayload, SetPaneRegexHighlightsPayload,
-        SetSelfMouseSelectionSupportPayload, SetTimeoutPayload, ShowCursorPayload,
+        SetSelfMouseSelectionSupportPayload,
+        SetSoftKeyboardPayload as ProtobufSetSoftKeyboardPayload,
+        SetTabFitPayload as ProtobufSetTabFitPayload, SetTimeoutPayload, ShowCursorPayload,
         ShowFloatingPanesPayload as ProtobufShowFloatingPanesPayload,
         ShowFloatingPanesResponse as ProtobufShowFloatingPanesResponse, ShowPaneWithIdPayload,
-        StackPanesPayload, SubscribePayload, SwitchSessionPayload, SwitchTabToIdPayload,
-        SwitchTabToPayload, TogglePaneBorderlessPayload, TogglePaneEmbedOrEjectForPaneIdPayload,
-        TogglePaneIdFullscreenPayload, UnsubscribePayload, WebRequestPayload,
-        WriteCharsToPaneIdPayload, WriteToPaneIdPayload,
+        Size as ProtobufSize, StackPanesPayload, SubscribePayload, SwitchSessionPayload,
+        SwitchTabToIdPayload, SwitchTabToPayload, TogglePaneBorderlessPayload,
+        TogglePaneEmbedOrEjectForPaneIdPayload, TogglePaneIdFullscreenPayload, UnsubscribePayload,
+        WebRequestPayload, WriteCharsToPaneIdPayload, WriteToPaneIdPayload,
     },
     plugin_permission::PermissionType as ProtobufPermissionType,
     resize::ResizeAction as ProtobufResizeAction,
@@ -141,11 +145,26 @@ use crate::data::{
 };
 use crate::input::actions::Action;
 use crate::input::layout::PercentOrFixed;
+use crate::pane_size::Size;
 
 use std::collections::BTreeMap;
 use std::convert::TryFrom;
 use std::path::PathBuf;
 
+fn size_from_protobuf(size: ProtobufSize) -> Size {
+    Size {
+        rows: size.rows as usize,
+        cols: size.cols as usize,
+    }
+}
+
+fn size_to_protobuf(size: Size) -> ProtobufSize {
+    ProtobufSize {
+        rows: size.rows as u32,
+        cols: size.cols as u32,
+    }
+}
+
 impl Into<FloatingPaneCoordinates> for ProtobufFloatingPaneCoordinates {
     fn into(self) -> FloatingPaneCoordinates {
         FloatingPaneCoordinates {
@@ -900,6 +919,27 @@ impl TryFrom<ProtobufPluginCommand> for PluginCommand {
                 }),
                 _ => Err("Mismatched payload for NewTab"),
             },
+            Some(CommandName::NewTabUnfocused) => match protobuf_plugin_command.payload {
+                Some(Payload::NewTabUnfocusedPayload(payload)) => {
+                    Ok(PluginCommand::NewTabUnfocused {
+                        name: payload.name,
+                        cwd: payload.cwd,
+                    })
+                },
+                None => Ok(PluginCommand::NewTabUnfocused {
+                    name: None,
+                    cwd: None,
+                }),
+                _ => Err("Mismatched payload for NewTabUnfocused"),
+            },
+            Some(CommandName::NewTiledPaneInTab) => match protobuf_plugin_command.payload {
+                Some(Payload::NewTiledPaneInTabPayload(payload)) => {
+                    Ok(PluginCommand::NewTiledPaneInTab {
+                        tab_position: payload.tab_position as usize,
+                    })
+                },
+                _ => Err("Mismatched payload for NewTiledPaneInTab"),
+            },
             Some(CommandName::GoToNextTab) => {
                 if protobuf_plugin_command.payload.is_some() {
                     return Err("GoToNextTab should not have a payload");
@@ -1448,6 +1488,38 @@ impl TryFrom<ProtobufPluginCommand> for PluginCommand {
             Some(CommandName::DeleteAllDeadSessionsAndReply) => {
                 Ok(PluginCommand::DeleteAllDeadSessionsAndReply)
             },
+            Some(CommandName::SetSoftKeyboard) => match protobuf_plugin_command.payload {
+                Some(Payload::SetSoftKeyboardPayload(payload)) => {
+                    Ok(PluginCommand::SetSoftKeyboard(payload.on))
+                },
+                _ => Err("Mismatched payload for SetSoftKeyboard"),
+            },
+            Some(CommandName::SetTabFit) => match protobuf_plugin_command.payload {
+                Some(Payload::SetTabFitPayload(payload)) => {
+                    let fit = match (payload.pane_id, payload.size) {
+                        (Some(pane_id), Some(size)) => {
+                            Some((pane_id.try_into()?, size_from_protobuf(size)))
+                        },
+                        (None, None) => None,
+                        _ => return Err("Malformed set_tab_fit_payload payload"),
+                    };
+                    Ok(PluginCommand::SetTabFit {
+                        tab_id: payload.tab_id as usize,
+                        fit,
+                    })
+                },
+                _ => Err("Mismatched payload for SetTabFit"),
+            },
+            Some(CommandName::ExitMobileMode) => match protobuf_plugin_command.payload {
+                Some(_) => Err("ExitMobileMode should have no payload, found a payload"),
+                None => Ok(PluginCommand::ExitMobileMode),
+            },
+            Some(CommandName::SetShadowFocus) => match protobuf_plugin_command.payload {
+                Some(Payload::SetShadowFocusPayload(pane_id)) => {
+                    Ok(PluginCommand::SetShadowFocus(pane_id.try_into()?))
+                },
+                _ => Err("Mismatched payload for SetShadowFocus"),
+            },
             Some(CommandName::DumpSessionLayout) => match protobuf_plugin_command.payload {
                 Some(Payload::DumpSessionLayoutPayload(payload)) => {
                     Ok(PluginCommand::DumpSessionLayout {
@@ -2890,6 +2962,21 @@ impl TryFrom<PluginCommand> for ProtobufPluginCommand {
                 name: CommandName::NewTab as i32,
                 payload: Some(Payload::NewTabPayload(NewTabPayload { name, cwd })),
             }),
+            PluginCommand::NewTabUnfocused { name, cwd } => Ok(ProtobufPluginCommand {
+                name: CommandName::NewTabUnfocused as i32,
+                payload: Some(Payload::NewTabUnfocusedPayload(NewTabUnfocusedPayload {
+                    name,
+                    cwd,
+                })),
+            }),
+            PluginCommand::NewTiledPaneInTab { tab_position } => Ok(ProtobufPluginCommand {
+                name: CommandName::NewTiledPaneInTab as i32,
+                payload: Some(Payload::NewTiledPaneInTabPayload(
+                    NewTiledPaneInTabPayload {
+                        tab_position: tab_position as u32,
+                    },
+                )),
+            }),
             PluginCommand::GoToNextTab => Ok(ProtobufPluginCommand {
                 name: CommandName::GoToNextTab as i32,
                 payload: None,
@@ -3315,6 +3402,32 @@ impl TryFrom<PluginCommand> for ProtobufPluginCommand {
                 name: CommandName::DeleteAllDeadSessionsAndReply as i32,
                 payload: None,
             }),
+            PluginCommand::SetSoftKeyboard(on) => Ok(ProtobufPluginCommand {
+                name: CommandName::SetSoftKeyboard as i32,
+                payload: Some(Payload::SetSoftKeyboardPayload(
+                    ProtobufSetSoftKeyboardPayload { on },
+                )),
+            }),
+            PluginCommand::SetTabFit { tab_id, fit } => {
+                let (pane_id, size) = match fit {
+                    Some((pane_id, size)) => {
+                        (Some(pane_id.try_into()?), Some(size_to_protobuf(size)))
+                    },
+                    None => (None, None),
+                };
+                Ok(ProtobufPluginCommand {
+                    name: CommandName::SetTabFit as i32,
+                    payload: Some(Payload::SetTabFitPayload(ProtobufSetTabFitPayload {
+                        tab_id: tab_id as u32,
+                        pane_id,
+                        size,
+                    })),
+                })
+            },
+            PluginCommand::ExitMobileMode => Ok(ProtobufPluginCommand {
+                name: CommandName::ExitMobileMode as i32,
+                payload: None,
+            }),
             PluginCommand::DumpSessionLayout { tab_index } => Ok(ProtobufPluginCommand {
                 name: CommandName::DumpSessionLayout as i32,
                 payload: tab_index.map(|idx| {
@@ -3437,6 +3550,10 @@ impl TryFrom<PluginCommand> for ProtobufPluginCommand {
                 name: CommandName::SendSigintToPaneId as i32,
                 payload: Some(Payload::SendSigintToPaneIdPayload(pane_id.try_into()?)),
             }),
+            PluginCommand::SetShadowFocus(pane_id) => Ok(ProtobufPluginCommand {
+                name: CommandName::SetShadowFocus as i32,
+                payload: Some(Payload::SetShadowFocusPayload(pane_id.try_into()?)),
+            }),
             PluginCommand::SendSigkillToPaneId(pane_id) => Ok(ProtobufPluginCommand {
                 name: CommandName::SendSigkillToPaneId as i32,
                 payload: Some(Payload::SendSigkillToPaneIdPayload(pane_id.try_into()?)),
@@ -4433,7 +4550,8 @@ impl TryFrom<PluginCommand> for ProtobufPluginCommand {
 // Conversion implementations for tab creation response types
 use crate::data::{
     BreakPanesToNewTabResponse, BreakPanesToTabWithIdResponse, BreakPanesToTabWithIndexResponse,
-    FocusOrCreateTabResponse, NewTabResponse, NewTabsResponse, OpenCommandPaneBackgroundResponse,
+    FocusOrCreateTabResponse, NewTabResponse, NewTabUnfocusedResponse, NewTabsResponse,
+    NewTiledPaneInTabResponse, OpenCommandPaneBackgroundResponse,
     OpenCommandPaneFloatingNearPluginResponse, OpenCommandPaneFloatingResponse,
     OpenCommandPaneInPlaceOfPaneIdResponse, OpenCommandPaneInPlaceOfPluginResponse,
     OpenCommandPaneInPlaceResponse, OpenCommandPaneNearPluginResponse, OpenCommandPaneResponse,
@@ -4468,6 +4586,47 @@ impl From<NewTabResponse> for ProtobufNewTabResponse {
     }
 }
 
+impl TryFrom<ProtobufNewTabUnfocusedResponse> for NewTabUnfocusedResponse {
+    type Error = &'static str;
+    fn try_from(protobuf: ProtobufNewTabUnfocusedResponse) -> Result<Self, Self::Error> {
+        match protobuf.result {
+            Some(new_tab_unfocused_response::Result::TabId(id)) => Ok(Some(id as usize)),
+            Some(new_tab_unfocused_response::Result::None(_)) | None => Ok(None),
+        }
+    }
+}
+
+impl From<NewTabUnfocusedResponse> for ProtobufNewTabUnfocusedResponse {
+    fn from(response: NewTabUnfocusedResponse) -> Self {
+        match response {
+            Some(tab_id) => ProtobufNewTabUnfocusedResponse {
+                result: Some(new_tab_unfocused_response::Result::TabId(tab_id as u64)),
+            },
+            None => ProtobufNewTabUnfocusedResponse {
+                result: Some(new_tab_unfocused_response::Result::None(true)),
+            },
+        }
+    }
+}
+
+impl TryFrom<ProtobufNewTiledPaneInTabResponse> for NewTiledPaneInTabResponse {
+    type Error = &'static str;
+    fn try_from(protobuf: ProtobufNewTiledPaneInTabResponse) -> Result<Self, Self::Error> {
+        match protobuf.pane_id {
+            Some(pane_id) => Ok(Some(pane_id.try_into()?)),
+            None => Ok(None),
+        }
+    }
+}
+
+impl From<NewTiledPaneInTabResponse> for ProtobufNewTiledPaneInTabResponse {
+    fn from(response: NewTiledPaneInTabResponse) -> Self {
+        ProtobufNewTiledPaneInTabResponse {
+            pane_id: response.map(|p| p.try_into().unwrap()),
+        }
+    }
+}
+
 impl TryFrom<ProtobufNewTabsResponse> for NewTabsResponse {
     type Error = &'static str;
     fn try_from(protobuf: ProtobufNewTabsResponse) -> Result<Self, Self::Error> {
@@ -5053,3 +5212,47 @@ impl From<OpenPluginPaneFloatingResponse> for ProtobufOpenPluginPaneFloatingResp
         }
     }
 }
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+    use crate::data::{PaneId, PluginCommand};
+    use crate::pane_size::Size;
+
+    #[test]
+    fn set_tab_fit_set_protobuf_round_trip() {
+        let original = PluginCommand::SetTabFit {
+            tab_id: 7,
+            fit: Some((PaneId::Terminal(3), Size { rows: 24, cols: 80 })),
+        };
+        let protobuf: ProtobufPluginCommand = original.try_into().expect("encode");
+        let decoded: PluginCommand = protobuf.try_into().expect("decode");
+        match decoded {
+            PluginCommand::SetTabFit { tab_id, fit } => {
+                assert_eq!(tab_id, 7);
+                assert_eq!(
+                    fit,
+                    Some((PaneId::Terminal(3), Size { rows: 24, cols: 80 }))
+                );
+            },
+            other => panic!("expected SetTabFit, got {:?}", other),
+        }
+    }
+
+    #[test]
+    fn set_tab_fit_clear_protobuf_round_trip() {
+        let original = PluginCommand::SetTabFit {
+            tab_id: 7,
+            fit: None,
+        };
+        let protobuf: ProtobufPluginCommand = original.try_into().expect("encode");
+        let decoded: PluginCommand = protobuf.try_into().expect("decode");
+        match decoded {
+            PluginCommand::SetTabFit { tab_id, fit } => {
+                assert_eq!(tab_id, 7);
+                assert_eq!(fit, None);
+            },
+            other => panic!("expected SetTabFit, got {:?}", other),
+        }
+    }
+}
diff --git a/zellij-utils/src/snapshots/zellij_utils__setup__setup_test__cli_arguments_override_config_options.snap b/zellij-utils/src/snapshots/zellij_utils__setup__setup_test__cli_arguments_override_config_options.snap
index a13669e5..0d51e89b 100644
--- a/zellij-utils/src/snapshots/zellij_utils__setup__setup_test__cli_arguments_override_config_options.snap
+++ b/zellij-utils/src/snapshots/zellij_utils__setup__setup_test__cli_arguments_override_config_options.snap
@@ -52,4 +52,7 @@ Options {
     enforce_https_for_localhost: None,
     post_command_discovery_hook: None,
     client_async_worker_tasks: None,
+    mobile_layout: None,
+    mobile_threshold_cols: None,
+    mobile_threshold_rows: None,
 }
diff --git a/zellij-utils/src/snapshots/zellij_utils__setup__setup_test__cli_arguments_override_layout_options.snap b/zellij-utils/src/snapshots/zellij_utils__setup__setup_test__cli_arguments_override_layout_options.snap
index 9a0e7eda..1b0c154a 100644
--- a/zellij-utils/src/snapshots/zellij_utils__setup__setup_test__cli_arguments_override_layout_options.snap
+++ b/zellij-utils/src/snapshots/zellij_utils__setup__setup_test__cli_arguments_override_layout_options.snap
@@ -52,4 +52,7 @@ Options {
     enforce_https_for_localhost: None,
     post_command_discovery_hook: None,
     client_async_worker_tasks: None,
+    mobile_layout: None,
+    mobile_threshold_cols: None,
+    mobile_threshold_rows: None,
 }
diff --git a/zellij-utils/src/snapshots/zellij_utils__setup__setup_test__default_config_with_no_cli_arguments-3.snap b/zellij-utils/src/snapshots/zellij_utils__setup__setup_test__default_config_with_no_cli_arguments-3.snap
index 52734174..08b89aac 100644
--- a/zellij-utils/src/snapshots/zellij_utils__setup__setup_test__default_config_with_no_cli_arguments-3.snap
+++ b/zellij-utils/src/snapshots/zellij_utils__setup__setup_test__default_config_with_no_cli_arguments-3.snap
@@ -50,4 +50,7 @@ Options {
     enforce_https_for_localhost: None,
     post_command_discovery_hook: None,
     client_async_worker_tasks: None,
+    mobile_layout: None,
+    mobile_threshold_cols: None,
+    mobile_threshold_rows: None,
 }
diff --git a/zellij-utils/src/snapshots/zellij_utils__setup__setup_test__default_config_with_no_cli_arguments.snap b/zellij-utils/src/snapshots/zellij_utils__setup__setup_test__default_config_with_no_cli_arguments.snap
index 2b17d5a3..a8a144a8 100644
--- a/zellij-utils/src/snapshots/zellij_utils__setup__setup_test__default_config_with_no_cli_arguments.snap
+++ b/zellij-utils/src/snapshots/zellij_utils__setup__setup_test__default_config_with_no_cli_arguments.snap
@@ -6028,6 +6028,9 @@ Config {
         enforce_https_for_localhost: None,
         post_command_discovery_hook: None,
         client_async_worker_tasks: None,
+        mobile_layout: None,
+        mobile_threshold_cols: None,
+        mobile_threshold_rows: None,
     },
     themes: {},
     plugins: PluginAliases {
@@ -6082,6 +6085,18 @@ Config {
                     "/",
                 ),
             },
+            "mobile": RunPlugin {
+                _allow_exec_host_cmd: false,
+                location: Zellij(
+                    PluginTag(
+                        "mobile",
+                    ),
+                ),
+                configuration: PluginUserConfiguration(
+                    {},
+                ),
+                initial_cwd: None,
+            },
             "plugin-manager": RunPlugin {
                 _allow_exec_host_cmd: false,
                 location: Zellij(
@@ -6189,5 +6204,6 @@ Config {
         cursor_style: None,
         mac_option_is_meta: true,
         base_url: None,
+        font_size: None,
     },
 }
diff --git a/zellij-utils/src/snapshots/zellij_utils__setup__setup_test__layout_env_vars_override_config_env_vars.snap b/zellij-utils/src/snapshots/zellij_utils__setup__setup_test__layout_env_vars_override_config_env_vars.snap
index 1f1e8268..4792ab0c 100644
--- a/zellij-utils/src/snapshots/zellij_utils__setup__setup_test__layout_env_vars_override_config_env_vars.snap
+++ b/zellij-utils/src/snapshots/zellij_utils__setup__setup_test__layout_env_vars_override_config_env_vars.snap
@@ -6028,6 +6028,9 @@ Config {
         enforce_https_for_localhost: None,
         post_command_discovery_hook: None,
         client_async_worker_tasks: None,
+        mobile_layout: None,
+        mobile_threshold_cols: None,
+        mobile_threshold_rows: None,
     },
     themes: {},
     plugins: PluginAliases {
@@ -6082,6 +6085,18 @@ Config {
                     "/",
                 ),
             },
+            "mobile": RunPlugin {
+                _allow_exec_host_cmd: false,
+                location: Zellij(
+                    PluginTag(
+                        "mobile",
+                    ),
+                ),
+                configuration: PluginUserConfiguration(
+                    {},
+                ),
+                initial_cwd: None,
+            },
             "plugin-manager": RunPlugin {
                 _allow_exec_host_cmd: false,
                 location: Zellij(
@@ -6193,5 +6208,6 @@ Config {
         cursor_style: None,
         mac_option_is_meta: true,
         base_url: None,
+        font_size: None,
     },
 }
diff --git a/zellij-utils/src/snapshots/zellij_utils__setup__setup_test__layout_keybinds_override_config_keybinds.snap b/zellij-utils/src/snapshots/zellij_utils__setup__setup_test__layout_keybinds_override_config_keybinds.snap
index 8ad32dc7..8f5baed6 100644
--- a/zellij-utils/src/snapshots/zellij_utils__setup__setup_test__layout_keybinds_override_config_keybinds.snap
+++ b/zellij-utils/src/snapshots/zellij_utils__setup__setup_test__layout_keybinds_override_config_keybinds.snap
@@ -137,6 +137,9 @@ Config {
         enforce_https_for_localhost: None,
         post_command_discovery_hook: None,
         client_async_worker_tasks: None,
+        mobile_layout: None,
+        mobile_threshold_cols: None,
+        mobile_threshold_rows: None,
     },
     themes: {},
     plugins: PluginAliases {
@@ -191,6 +194,18 @@ Config {
                     "/",
                 ),
             },
+            "mobile": RunPlugin {
+                _allow_exec_host_cmd: false,
+                location: Zellij(
+                    PluginTag(
+                        "mobile",
+                    ),
+                ),
+                configuration: PluginUserConfiguration(
+                    {},
+                ),
+                initial_cwd: None,
+            },
             "plugin-manager": RunPlugin {
                 _allow_exec_host_cmd: false,
                 location: Zellij(
@@ -298,5 +313,6 @@ Config {
         cursor_style: None,
         mac_option_is_meta: true,
         base_url: None,
+        font_size: None,
     },
 }
diff --git a/zellij-utils/src/snapshots/zellij_utils__setup__setup_test__layout_options_override_config_options.snap b/zellij-utils/src/snapshots/zellij_utils__setup__setup_test__layout_options_override_config_options.snap
index 74927ae6..40822e6e 100644
--- a/zellij-utils/src/snapshots/zellij_utils__setup__setup_test__layout_options_override_config_options.snap
+++ b/zellij-utils/src/snapshots/zellij_utils__setup__setup_test__layout_options_override_config_options.snap
@@ -52,4 +52,7 @@ Options {
     enforce_https_for_localhost: None,
     post_command_discovery_hook: None,
     client_async_worker_tasks: None,
+    mobile_layout: None,
+    mobile_threshold_cols: None,
+    mobile_threshold_rows: None,
 }
diff --git a/zellij-utils/src/snapshots/zellij_utils__setup__setup_test__layout_themes_override_config_themes.snap b/zellij-utils/src/snapshots/zellij_utils__setup__setup_test__layout_themes_override_config_themes.snap
index 28c7b32d..2cb1c9af 100644
--- a/zellij-utils/src/snapshots/zellij_utils__setup__setup_test__layout_themes_override_config_themes.snap
+++ b/zellij-utils/src/snapshots/zellij_utils__setup__setup_test__layout_themes_override_config_themes.snap
@@ -6028,6 +6028,9 @@ Config {
         enforce_https_for_localhost: None,
         post_command_discovery_hook: None,
         client_async_worker_tasks: None,
+        mobile_layout: None,
+        mobile_threshold_cols: None,
+        mobile_threshold_rows: None,
     },
     themes: {
         "other-theme-from-config": Theme {
@@ -7853,6 +7856,18 @@ Config {
                     "/",
                 ),
             },
+            "mobile": RunPlugin {
+                _allow_exec_host_cmd: false,
+                location: Zellij(
+                    PluginTag(
+                        "mobile",
+                    ),
+                ),
+                configuration: PluginUserConfiguration(
+                    {},
+                ),
+                initial_cwd: None,
+            },
             "plugin-manager": RunPlugin {
                 _allow_exec_host_cmd: false,
                 location: Zellij(
@@ -7960,5 +7975,6 @@ Config {
         cursor_style: None,
         mac_option_is_meta: true,
         base_url: None,
+        font_size: None,
     },
 }
diff --git a/zellij-utils/src/snapshots/zellij_utils__setup__setup_test__layout_ui_config_overrides_config_ui_config.snap b/zellij-utils/src/snapshots/zellij_utils__setup__setup_test__layout_ui_config_overrides_config_ui_config.snap
index 43f29c48..431c8fc4 100644
--- a/zellij-utils/src/snapshots/zellij_utils__setup__setup_test__layout_ui_config_overrides_config_ui_config.snap
+++ b/zellij-utils/src/snapshots/zellij_utils__setup__setup_test__layout_ui_config_overrides_config_ui_config.snap
@@ -6028,6 +6028,9 @@ Config {
         enforce_https_for_localhost: None,
         post_command_discovery_hook: None,
         client_async_worker_tasks: None,
+        mobile_layout: None,
+        mobile_threshold_cols: None,
+        mobile_threshold_rows: None,
     },
     themes: {},
     plugins: PluginAliases {
@@ -6082,6 +6085,18 @@ Config {
                     "/",
                 ),
             },
+            "mobile": RunPlugin {
+                _allow_exec_host_cmd: false,
+                location: Zellij(
+                    PluginTag(
+                        "mobile",
+                    ),
+                ),
+                configuration: PluginUserConfiguration(
+                    {},
+                ),
+                initial_cwd: None,
+            },
             "plugin-manager": RunPlugin {
                 _allow_exec_host_cmd: false,
                 location: Zellij(
@@ -6189,5 +6204,6 @@ Config {
         cursor_style: None,
         mac_option_is_meta: true,
         base_url: None,
+        font_size: None,
     },
 }