4 files changed, 405 insertions, 351 deletions
diff --git a/src/api/mod.rs b/src/api/mod.rs
index f0cf42c7..7d2d5bc1 100644
--- a/src/api/mod.rs
+++ b/src/api/mod.rs
@@ -38,6 +38,7 @@ pub(crate) fn request_changes_ui(request: &Request) -> bool {
             | Method::AgentStart(_)
             | Method::PaneSplit(_)
             | Method::PaneSwap(_)
+            | Method::PaneZoom(_)
             | Method::PaneFocusDirection(_)
             | Method::PaneResize(_)
             | Method::PaneRename(_)
diff --git a/src/api/schema.rs b/src/api/schema.rs
index ba2fd1e5..c0715758 100644
--- a/src/api/schema.rs
+++ b/src/api/schema.rs
@@ -2,6 +2,10 @@ use std::collections::HashMap;
 
 use serde::{Deserialize, Serialize};
 
+pub mod panes;
+
+pub use panes::*;
+
 #[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
 pub struct Request {
     pub id: String,
@@ -70,6 +74,8 @@ pub enum Method {
     PaneSplit(PaneSplitParams),
     #[serde(rename = "pane.swap")]
     PaneSwap(PaneSwapParams),
+    #[serde(rename = "pane.zoom")]
+    PaneZoom(PaneZoomParams),
     #[serde(rename = "pane.layout")]
     PaneLayout(PaneLayoutParams),
     #[serde(rename = "pane.neighbor")]
@@ -274,118 +280,6 @@ pub struct AgentStartParams {
     pub argv: Vec<String>,
 }
 
-#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
-pub struct PaneSplitParams {
-    #[serde(default, skip_serializing_if = "Option::is_none")]
-    pub workspace_id: Option<String>,
-    #[serde(default, skip_serializing_if = "Option::is_none")]
-    pub target_pane_id: Option<String>,
-    pub direction: SplitDirection,
-    #[serde(default, skip_serializing_if = "Option::is_none")]
-    pub ratio: Option<f32>,
-    #[serde(default, skip_serializing_if = "Option::is_none")]
-    pub cwd: Option<String>,
-    #[serde(default)]
-    pub focus: bool,
-}
-
-#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
-#[serde(rename_all = "snake_case")]
-pub enum SplitDirection {
-    Right,
-    Down,
-}
-
-#[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize, Deserialize)]
-#[serde(rename_all = "snake_case")]
-pub enum PaneDirection {
-    Left,
-    Right,
-    Up,
-    Down,
-}
-
-#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize, Default)]
-pub struct PaneSwapParams {
-    #[serde(default, skip_serializing_if = "Option::is_none")]
-    pub pane_id: Option<String>,
-    #[serde(default, skip_serializing_if = "Option::is_none")]
-    pub direction: Option<PaneDirection>,
-    #[serde(default, skip_serializing_if = "Option::is_none")]
-    pub source_pane_id: Option<String>,
-    #[serde(default, skip_serializing_if = "Option::is_none")]
-    pub target_pane_id: Option<String>,
-}
-
-#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize, Default)]
-pub struct PaneLayoutParams {
-    #[serde(default, skip_serializing_if = "Option::is_none")]
-    pub pane_id: Option<String>,
-}
-
-#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
-pub struct PaneNeighborParams {
-    #[serde(default, skip_serializing_if = "Option::is_none")]
-    pub pane_id: Option<String>,
-    pub direction: PaneDirection,
-}
-
-#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize, Default)]
-pub struct PaneEdgesParams {
-    #[serde(default, skip_serializing_if = "Option::is_none")]
-    pub pane_id: Option<String>,
-}
-
-#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
-pub struct PaneFocusDirectionParams {
-    #[serde(default, skip_serializing_if = "Option::is_none")]
-    pub pane_id: Option<String>,
-    pub direction: PaneDirection,
-}
-
-#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
-pub struct PaneResizeParams {
-    #[serde(default, skip_serializing_if = "Option::is_none")]
-    pub pane_id: Option<String>,
-    pub direction: PaneDirection,
-    #[serde(default, skip_serializing_if = "Option::is_none")]
-    pub amount: Option<f32>,
-}
-
-#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize, Default)]
-pub struct PaneListParams {
-    #[serde(default, skip_serializing_if = "Option::is_none")]
-    pub workspace_id: Option<String>,
-}
-
-#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
-pub struct PaneRenameParams {
-    pub pane_id: String,
-    #[serde(default, skip_serializing_if = "Option::is_none")]
-    pub label: Option<String>,
-}
-
-#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
-pub struct PaneSendTextParams {
-    pub pane_id: String,
-    pub text: String,
-}
-
-#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
-pub struct PaneSendKeysParams {
-    pub pane_id: String,
-    pub keys: Vec<String>,
-}
-
-#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
-pub struct PaneSendInputParams {
-    pub pane_id: String,
-    #[serde(default, skip_serializing_if = "String::is_empty")]
-    pub text: String,
-    #[serde(default, skip_serializing_if = "Vec::is_empty")]
-    pub keys: Vec<String>,
-}
-
 #[derive(Debug, Clone, Default, PartialEq, Eq, Serialize, Deserialize)]
 pub struct ServerLiveHandoffParams {
     #[serde(default, skip_serializing_if = "Option::is_none")]
@@ -396,97 +290,6 @@ pub struct ServerLiveHandoffParams {
     pub expected_version: Option<String>,
 }
 
-#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
-pub struct PaneReadParams {
-    pub pane_id: String,
-    pub source: ReadSource,
-    #[serde(default, skip_serializing_if = "Option::is_none")]
-    pub lines: Option<u32>,
-    #[serde(default)]
-    pub format: ReadFormat,
-    #[serde(default = "default_true")]
-    pub strip_ansi: bool,
-}
-
-#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
-pub struct PaneReportAgentParams {
-    pub pane_id: String,
-    pub source: String,
-    pub agent: String,
-    pub state: PaneAgentState,
-    #[serde(default, skip_serializing_if = "Option::is_none")]
-    pub message: Option<String>,
-    #[serde(default, skip_serializing_if = "Option::is_none")]
-    pub custom_status: Option<String>,
-    #[serde(default, skip_serializing_if = "Option::is_none")]
-    pub seq: Option<u64>,
-    #[serde(default, skip_serializing_if = "Option::is_none")]
-    pub agent_session_id: Option<String>,
-    #[serde(default, skip_serializing_if = "Option::is_none")]
-    pub agent_session_path: Option<String>,
-}
-
-#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
-pub struct PaneReportAgentSessionParams {
-    pub pane_id: String,
-    pub source: String,
-    pub agent: String,
-    #[serde(default, skip_serializing_if = "Option::is_none")]
-    pub seq: Option<u64>,
-    #[serde(default, skip_serializing_if = "Option::is_none")]
-    pub agent_session_id: Option<String>,
-    #[serde(default, skip_serializing_if = "Option::is_none")]
-    pub agent_session_path: Option<String>,
-}
-
-#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
-pub struct PaneReportMetadataParams {
-    pub pane_id: String,
-    pub source: String,
-    #[serde(default, skip_serializing_if = "Option::is_none")]
-    pub agent: Option<String>,
-    #[serde(default, skip_serializing_if = "Option::is_none")]
-    pub applies_to_source: Option<String>,
-    #[serde(default, skip_serializing_if = "Option::is_none")]
-    pub title: Option<String>,
-    #[serde(default, skip_serializing_if = "Option::is_none")]
-    pub display_agent: Option<String>,
-    #[serde(default, skip_serializing_if = "Option::is_none")]
-    pub custom_status: Option<String>,
-    #[serde(default, skip_serializing_if = "HashMap::is_empty")]
-    pub state_labels: HashMap<String, String>,
-    #[serde(default)]
-    pub clear_title: bool,
-    #[serde(default)]
-    pub clear_display_agent: bool,
-    #[serde(default)]
-    pub clear_custom_status: bool,
-    #[serde(default)]
-    pub clear_state_labels: bool,
-    #[serde(default, skip_serializing_if = "Option::is_none")]
-    pub seq: Option<u64>,
-    #[serde(default, skip_serializing_if = "Option::is_none")]
-    pub ttl_ms: Option<u64>,
-}
-
-#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
-pub struct PaneClearAgentAuthorityParams {
-    pub pane_id: String,
-    #[serde(default, skip_serializing_if = "Option::is_none")]
-    pub source: Option<String>,
-    #[serde(default, skip_serializing_if = "Option::is_none")]
-    pub seq: Option<u64>,
-}
-
-#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
-pub struct PaneReleaseAgentParams {
-    pub pane_id: String,
-    pub source: String,
-    pub agent: String,
-    #[serde(default, skip_serializing_if = "Option::is_none")]
-    pub seq: Option<u64>,
-}
-
 #[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize, Deserialize)]
 #[serde(rename_all = "snake_case")]
 pub enum ReadSource {
@@ -793,6 +596,9 @@ pub enum ResponseResult {
     PaneSwap {
         swap: PaneSwapResult,
     },
+    PaneZoom {
+        zoom: PaneZoomResult,
+    },
     PaneLayout {
         layout: PaneLayoutSnapshot,
     },
@@ -924,142 +730,6 @@ pub struct AgentInfo {
 }
 
 #[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
-pub struct PaneInfo {
-    pub pane_id: String,
-    pub terminal_id: String,
-    pub workspace_id: String,
-    pub tab_id: String,
-    pub focused: bool,
-    #[serde(default, skip_serializing_if = "Option::is_none")]
-    pub cwd: Option<String>,
-    #[serde(default, skip_serializing_if = "Option::is_none")]
-    pub foreground_cwd: Option<String>,
-    #[serde(default, skip_serializing_if = "Option::is_none")]
-    pub label: Option<String>,
-    #[serde(default, skip_serializing_if = "Option::is_none")]
-    pub agent: Option<String>,
-    #[serde(default, skip_serializing_if = "Option::is_none")]
-    pub title: Option<String>,
-    #[serde(default, skip_serializing_if = "Option::is_none")]
-    pub display_agent: Option<String>,
-    pub agent_status: AgentStatus,
-    #[serde(default, skip_serializing_if = "Option::is_none")]
-    pub custom_status: Option<String>,
-    #[serde(default, skip_serializing_if = "HashMap::is_empty")]
-    pub state_labels: HashMap<String, String>,
-    #[serde(default, skip_serializing_if = "Option::is_none")]
-    pub agent_session: Option<AgentSessionInfo>,
-    pub revision: u64,
-}
-
-#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
-pub struct PaneSwapResult {
-    pub changed: bool,
-    #[serde(default, skip_serializing_if = "Option::is_none")]
-    pub reason: Option<PaneSwapReason>,
-    pub source_pane_id: String,
-    #[serde(default, skip_serializing_if = "Option::is_none")]
-    pub target_pane_id: Option<String>,
-    pub focused_pane_id: String,
-    pub layout: PaneLayoutSnapshot,
-}
-
-#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
-#[serde(rename_all = "snake_case")]
-pub enum PaneSwapReason {
-    NoNeighbor,
-    SamePane,
-    NotFound,
-    CrossTab,
-}
-
-#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
-pub struct PaneLayoutSnapshot {
-    pub workspace_id: String,
-    pub tab_id: String,
-    pub zoomed: bool,
-    pub area: PaneLayoutRect,
-    pub focused_pane_id: String,
-    pub panes: Vec<PaneLayoutPane>,
-    pub splits: Vec<PaneLayoutSplit>,
-}
-
-#[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize, Deserialize)]
-pub struct PaneLayoutRect {
-    pub x: u16,
-    pub y: u16,
-    pub width: u16,
-    pub height: u16,
-}
-
-#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
-pub struct PaneLayoutPane {
-    pub pane_id: String,
-    pub focused: bool,
-    pub rect: PaneLayoutRect,
-}
-
-#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
-pub struct PaneLayoutSplit {
-    pub id: String,
-    pub direction: SplitDirection,
-    pub ratio: f32,
-    pub rect: PaneLayoutRect,
-}
-
-#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
-pub struct PaneNeighborResult {
-    pub pane_id: String,
-    pub direction: PaneDirection,
-    #[serde(default, skip_serializing_if = "Option::is_none")]
-    pub neighbor_pane_id: Option<String>,
-    pub layout: PaneLayoutSnapshot,
-}
-
-#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
-pub struct PaneEdgesResult {
-    pub pane_id: String,
-    pub left: bool,
-    pub right: bool,
-    pub up: bool,
-    pub down: bool,
-    pub layout: PaneLayoutSnapshot,
-}
-
-#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
-pub struct PaneFocusDirectionResult {
-    pub changed: bool,
-    #[serde(default, skip_serializing_if = "Option::is_none")]
-    pub reason: Option<PaneFocusDirectionReason>,
-    pub source_pane_id: String,
-    #[serde(default, skip_serializing_if = "Option::is_none")]
-    pub focused_pane_id: Option<String>,
-    pub layout: PaneLayoutSnapshot,
-}
-
-#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
-#[serde(rename_all = "snake_case")]
-pub enum PaneFocusDirectionReason {
-    NoNeighbor,
-}
-
-#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
-pub struct PaneResizeResult {
-    pub changed: bool,
-    #[serde(default, skip_serializing_if = "Option::is_none")]
-    pub reason: Option<PaneResizeReason>,
-    pub pane_id: String,
-    pub focused_pane_id: String,
-    pub layout: PaneLayoutSnapshot,
-}
-
-#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
-#[serde(rename_all = "snake_case")]
-pub enum PaneResizeReason {
-    Unchanged,
-}
-
-#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
 pub struct AgentSessionInfo {
     pub source: String,
     pub agent: String,
@@ -1068,18 +738,6 @@ pub struct AgentSessionInfo {
 }
 
 #[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
-pub struct PaneReadResult {
-    pub pane_id: String,
-    pub workspace_id: String,
-    pub tab_id: String,
-    pub source: ReadSource,
-    pub format: ReadFormat,
-    pub text: String,
-    pub revision: u64,
-    pub truncated: bool,
-}
-
-#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
 pub struct IntegrationInstallResult {
     pub messages: Vec<String>,
 }
diff --git a/src/api/schema/panes.rs b/src/api/schema/panes.rs
new file mode 100644
index 00000000..6a1827a2
--- /dev/null
+++ b/src/api/schema/panes.rs
@@ -0,0 +1,394 @@
+use std::collections::HashMap;
+
+use serde::{Deserialize, Serialize};
+
+use super::{AgentSessionInfo, AgentStatus, PaneAgentState, ReadFormat, ReadSource};
+
+#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
+pub struct PaneSplitParams {
+    #[serde(default, skip_serializing_if = "Option::is_none")]
+    pub workspace_id: Option<String>,
+    #[serde(default, skip_serializing_if = "Option::is_none")]
+    pub target_pane_id: Option<String>,
+    pub direction: SplitDirection,
+    #[serde(default, skip_serializing_if = "Option::is_none")]
+    pub ratio: Option<f32>,
+    #[serde(default, skip_serializing_if = "Option::is_none")]
+    pub cwd: Option<String>,
+    #[serde(default)]
+    pub focus: bool,
+}
+
+#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
+#[serde(rename_all = "snake_case")]
+pub enum SplitDirection {
+    Right,
+    Down,
+}
+
+#[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize, Deserialize)]
+#[serde(rename_all = "snake_case")]
+pub enum PaneDirection {
+    Left,
+    Right,
+    Up,
+    Down,
+}
+
+#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize, Default)]
+pub struct PaneSwapParams {
+    #[serde(default, skip_serializing_if = "Option::is_none")]
+    pub pane_id: Option<String>,
+    #[serde(default, skip_serializing_if = "Option::is_none")]
+    pub direction: Option<PaneDirection>,
+    #[serde(default, skip_serializing_if = "Option::is_none")]
+    pub source_pane_id: Option<String>,
+    #[serde(default, skip_serializing_if = "Option::is_none")]
+    pub target_pane_id: Option<String>,
+}
+
+#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize, Default)]
+pub struct PaneZoomParams {
+    #[serde(default, skip_serializing_if = "Option::is_none")]
+    pub pane_id: Option<String>,
+    #[serde(default)]
+    pub mode: PaneZoomMode,
+}
+
+#[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize, Deserialize, Default)]
+#[serde(rename_all = "snake_case")]
+pub enum PaneZoomMode {
+    #[default]
+    Toggle,
+    On,
+    Off,
+}
+
+#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize, Default)]
+pub struct PaneLayoutParams {
+    #[serde(default, skip_serializing_if = "Option::is_none")]
+    pub pane_id: Option<String>,
+}
+
+#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
+pub struct PaneNeighborParams {
+    #[serde(default, skip_serializing_if = "Option::is_none")]
+    pub pane_id: Option<String>,
+    pub direction: PaneDirection,
+}
+
+#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize, Default)]
+pub struct PaneEdgesParams {
+    #[serde(default, skip_serializing_if = "Option::is_none")]
+    pub pane_id: Option<String>,
+}
+
+#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
+pub struct PaneFocusDirectionParams {
+    #[serde(default, skip_serializing_if = "Option::is_none")]
+    pub pane_id: Option<String>,
+    pub direction: PaneDirection,
+}
+
+#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
+pub struct PaneResizeParams {
+    #[serde(default, skip_serializing_if = "Option::is_none")]
+    pub pane_id: Option<String>,
+    pub direction: PaneDirection,
+    #[serde(default, skip_serializing_if = "Option::is_none")]
+    pub amount: Option<f32>,
+}
+
+#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize, Default)]
+pub struct PaneListParams {
+    #[serde(default, skip_serializing_if = "Option::is_none")]
+    pub workspace_id: Option<String>,
+}
+
+#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
+pub struct PaneRenameParams {
+    pub pane_id: String,
+    #[serde(default, skip_serializing_if = "Option::is_none")]
+    pub label: Option<String>,
+}
+
+#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
+pub struct PaneSendTextParams {
+    pub pane_id: String,
+    pub text: String,
+}
+
+#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
+pub struct PaneSendKeysParams {
+    pub pane_id: String,
+    pub keys: Vec<String>,
+}
+
+#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
+pub struct PaneSendInputParams {
+    pub pane_id: String,
+    #[serde(default, skip_serializing_if = "String::is_empty")]
+    pub text: String,
+    #[serde(default, skip_serializing_if = "Vec::is_empty")]
+    pub keys: Vec<String>,
+}
+
+#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
+pub struct PaneReadParams {
+    pub pane_id: String,
+    pub source: ReadSource,
+    #[serde(default, skip_serializing_if = "Option::is_none")]
+    pub lines: Option<u32>,
+    #[serde(default)]
+    pub format: ReadFormat,
+    #[serde(default = "super::default_true")]
+    pub strip_ansi: bool,
+}
+
+#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
+pub struct PaneReportAgentParams {
+    pub pane_id: String,
+    pub source: String,
+    pub agent: String,
+    pub state: PaneAgentState,
+    #[serde(default, skip_serializing_if = "Option::is_none")]
+    pub message: Option<String>,
+    #[serde(default, skip_serializing_if = "Option::is_none")]
+    pub custom_status: Option<String>,
+    #[serde(default, skip_serializing_if = "Option::is_none")]
+    pub seq: Option<u64>,
+    #[serde(default, skip_serializing_if = "Option::is_none")]
+    pub agent_session_id: Option<String>,
+    #[serde(default, skip_serializing_if = "Option::is_none")]
+    pub agent_session_path: Option<String>,
+}
+
+#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
+pub struct PaneReportAgentSessionParams {
+    pub pane_id: String,
+    pub source: String,
+    pub agent: String,
+    #[serde(default, skip_serializing_if = "Option::is_none")]
+    pub seq: Option<u64>,
+    #[serde(default, skip_serializing_if = "Option::is_none")]
+    pub agent_session_id: Option<String>,
+    #[serde(default, skip_serializing_if = "Option::is_none")]
+    pub agent_session_path: Option<String>,
+}
+
+#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
+pub struct PaneReportMetadataParams {
+    pub pane_id: String,
+    pub source: String,
+    #[serde(default, skip_serializing_if = "Option::is_none")]
+    pub agent: Option<String>,
+    #[serde(default, skip_serializing_if = "Option::is_none")]
+    pub applies_to_source: Option<String>,
+    #[serde(default, skip_serializing_if = "Option::is_none")]
+    pub title: Option<String>,
+    #[serde(default, skip_serializing_if = "Option::is_none")]
+    pub display_agent: Option<String>,
+    #[serde(default, skip_serializing_if = "Option::is_none")]
+    pub custom_status: Option<String>,
+    #[serde(default, skip_serializing_if = "HashMap::is_empty")]
+    pub state_labels: HashMap<String, String>,
+    #[serde(default)]
+    pub clear_title: bool,
+    #[serde(default)]
+    pub clear_display_agent: bool,
+    #[serde(default)]
+    pub clear_custom_status: bool,
+    #[serde(default)]
+    pub clear_state_labels: bool,
+    #[serde(default, skip_serializing_if = "Option::is_none")]
+    pub seq: Option<u64>,
+    #[serde(default, skip_serializing_if = "Option::is_none")]
+    pub ttl_ms: Option<u64>,
+}
+
+#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
+pub struct PaneClearAgentAuthorityParams {
+    pub pane_id: String,
+    #[serde(default, skip_serializing_if = "Option::is_none")]
+    pub source: Option<String>,
+    #[serde(default, skip_serializing_if = "Option::is_none")]
+    pub seq: Option<u64>,
+}
+
+#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
+pub struct PaneReleaseAgentParams {
+    pub pane_id: String,
+    pub source: String,
+    pub agent: String,
+    #[serde(default, skip_serializing_if = "Option::is_none")]
+    pub seq: Option<u64>,
+}
+
+#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
+pub struct PaneInfo {
+    pub pane_id: String,
+    pub terminal_id: String,
+    pub workspace_id: String,
+    pub tab_id: String,
+    pub focused: bool,
+    #[serde(default, skip_serializing_if = "Option::is_none")]
+    pub cwd: Option<String>,
+    #[serde(default, skip_serializing_if = "Option::is_none")]
+    pub foreground_cwd: Option<String>,
+    #[serde(default, skip_serializing_if = "Option::is_none")]
+    pub label: Option<String>,
+    #[serde(default, skip_serializing_if = "Option::is_none")]
+    pub agent: Option<String>,
+    #[serde(default, skip_serializing_if = "Option::is_none")]
+    pub title: Option<String>,
+    #[serde(default, skip_serializing_if = "Option::is_none")]
+    pub display_agent: Option<String>,
+    pub agent_status: AgentStatus,
+    #[serde(default, skip_serializing_if = "Option::is_none")]
+    pub custom_status: Option<String>,
+    #[serde(default, skip_serializing_if = "HashMap::is_empty")]
+    pub state_labels: HashMap<String, String>,
+    #[serde(default, skip_serializing_if = "Option::is_none")]
+    pub agent_session: Option<AgentSessionInfo>,
+    pub revision: u64,
+}
+
+#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
+pub struct PaneSwapResult {
+    pub changed: bool,
+    #[serde(default, skip_serializing_if = "Option::is_none")]
+    pub reason: Option<PaneSwapReason>,
+    pub source_pane_id: String,
+    #[serde(default, skip_serializing_if = "Option::is_none")]
+    pub target_pane_id: Option<String>,
+    pub focused_pane_id: String,
+    pub layout: PaneLayoutSnapshot,
+}
+
+#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
+#[serde(rename_all = "snake_case")]
+pub enum PaneSwapReason {
+    NoNeighbor,
+    SamePane,
+    NotFound,
+    CrossTab,
+}
+
+#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
+pub struct PaneZoomResult {
+    pub changed: bool,
+    pub zoom_changed: bool,
+    pub focus_changed: bool,
+    #[serde(default, skip_serializing_if = "Option::is_none")]
+    pub reason: Option<PaneZoomReason>,
+    pub pane_id: String,
+    pub focused_pane_id: String,
+    pub zoomed: bool,
+    pub layout: PaneLayoutSnapshot,
+}
+
+#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
+#[serde(rename_all = "snake_case")]
+pub enum PaneZoomReason {
+    SinglePane,
+    AlreadyZoomed,
+    AlreadyUnzoomed,
+}
+
+#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
+pub struct PaneLayoutSnapshot {
+    pub workspace_id: String,
+    pub tab_id: String,
+    pub zoomed: bool,
+    pub area: PaneLayoutRect,
+    pub focused_pane_id: String,
+    pub panes: Vec<PaneLayoutPane>,
+    pub splits: Vec<PaneLayoutSplit>,
+}
+
+#[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize, Deserialize)]
+pub struct PaneLayoutRect {
+    pub x: u16,
+    pub y: u16,
+    pub width: u16,
+    pub height: u16,
+}
+
+#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
+pub struct PaneLayoutPane {
+    pub pane_id: String,
+    pub focused: bool,
+    pub rect: PaneLayoutRect,
+}
+
+#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
+pub struct PaneLayoutSplit {
+    pub id: String,
+    pub direction: SplitDirection,
+    pub ratio: f32,
+    pub rect: PaneLayoutRect,
+}
+
+#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
+pub struct PaneNeighborResult {
+    pub pane_id: String,
+    pub direction: PaneDirection,
+    #[serde(default, skip_serializing_if = "Option::is_none")]
+    pub neighbor_pane_id: Option<String>,
+    pub layout: PaneLayoutSnapshot,
+}
+
+#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
+pub struct PaneEdgesResult {
+    pub pane_id: String,
+    pub left: bool,
+    pub right: bool,
+    pub up: bool,
+    pub down: bool,
+    pub layout: PaneLayoutSnapshot,
+}
+
+#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
+pub struct PaneFocusDirectionResult {
+    pub changed: bool,
+    #[serde(default, skip_serializing_if = "Option::is_none")]
+    pub reason: Option<PaneFocusDirectionReason>,
+    pub source_pane_id: String,
+    #[serde(default, skip_serializing_if = "Option::is_none")]
+    pub focused_pane_id: Option<String>,
+    pub layout: PaneLayoutSnapshot,
+}
+
+#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
+#[serde(rename_all = "snake_case")]
+pub enum PaneFocusDirectionReason {
+    NoNeighbor,
+}
+
+#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
+pub struct PaneResizeResult {
+    pub changed: bool,
+    #[serde(default, skip_serializing_if = "Option::is_none")]
+    pub reason: Option<PaneResizeReason>,
+    pub pane_id: String,
+    pub focused_pane_id: String,
+    pub layout: PaneLayoutSnapshot,
+}
+
+#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
+#[serde(rename_all = "snake_case")]
+pub enum PaneResizeReason {
+    Unchanged,
+}
+
+#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
+pub struct PaneReadResult {
+    pub pane_id: String,
+    pub workspace_id: String,
+    pub tab_id: String,
+    pub source: ReadSource,
+    pub format: ReadFormat,
+    pub text: String,
+    pub revision: u64,
+    pub truncated: bool,
+}
diff --git a/src/api/server.rs b/src/api/server.rs
index 44bb3097..7e4dc3b1 100644
--- a/src/api/server.rs
+++ b/src/api/server.rs
@@ -296,6 +296,7 @@ fn api_method_name(method: &Method) -> &'static str {
         Method::AgentStart(_) => "agent.start",
         Method::PaneSplit(_) => "pane.split",
         Method::PaneSwap(_) => "pane.swap",
+        Method::PaneZoom(_) => "pane.zoom",
         Method::PaneLayout(_) => "pane.layout",
         Method::PaneNeighbor(_) => "pane.neighbor",
         Method::PaneEdges(_) => "pane.edges",