2 files changed, 34 insertions, 5 deletions

diff --git a/crates/vcs_data/src/data/local/config.rs b/crates/vcs_data/src/data/local/config.rs
index 28bd439..cfbc0d4 100644
--- a/crates/vcs_data/src/data/local/config.rs
+++ b/crates/vcs_data/src/data/local/config.rs
@@ -32,6 +32,10 @@ pub struct LocalConfig {
     /// This ID will be used to verify access permissions when connecting to the upstream server.
     using_account: MemberId,
 
+    /// Whether the current member is interacting as a host.
+    /// In host mode, full Vault operation permissions are available except for adding new content.
+    using_host_mode: bool,
+
     /// Whether the local workspace is stained.
     ///
     /// If stained, it can only set an upstream server with the same identifier.
@@ -52,6 +56,7 @@ impl Default for LocalConfig {
                 PORT,
             )),
             using_account: "unknown".to_string(),
+            using_host_mode: false,
             stained_uuid: None,
             sheet_in_use: None,
         }
@@ -81,6 +86,11 @@ impl LocalConfig {
         Ok(())
     }
 
+    /// Set the host mode
+    pub fn set_host_mode(&mut self, host_mode: bool) {
+        self.using_host_mode = host_mode;
+    }
+
     /// Set the currently used sheet
     pub async fn use_sheet(&mut self, sheet: SheetName) -> Result<(), std::io::Error> {
         let sheet = snake_case!(sheet);
@@ -110,7 +120,7 @@ impl LocalConfig {
         };
 
         // Check if the sheet exists
-        if !latest_info.my_sheets.contains(&sheet) {
+        if !latest_info.visible_sheets.contains(&sheet) {
             return Err(std::io::Error::new(
                 std::io::ErrorKind::NotFound,
                 "Sheet not found",
@@ -291,6 +301,11 @@ impl LocalConfig {
         self.using_account.clone()
     }
 
+    /// Check if the current member is interacting as a host.
+    pub fn is_host_mode(&self) -> bool {
+        self.using_host_mode
+    }
+
     /// Check if the local workspace is stained.
     pub fn stained(&self) -> bool {
         self.stained_uuid.is_some()
diff --git a/crates/vcs_data/src/data/local/latest_info.rs b/crates/vcs_data/src/data/local/latest_info.rs
index ce45372..27409be 100644
--- a/crates/vcs_data/src/data/local/latest_info.rs
+++ b/crates/vcs_data/src/data/local/latest_info.rs
@@ -1,4 +1,5 @@
 use std::{
+    collections::{HashMap, HashSet},
     path::{Path, PathBuf},
     time::SystemTime,
 };
@@ -11,6 +12,7 @@ use crate::{
     data::{
         member::{Member, MemberId},
         sheet::{SheetData, SheetName},
+        vault::sheet_share::{Share, SheetShareId},
     },
 };
 
@@ -23,13 +25,25 @@ const ACCOUNT: &str = "{account}";
 #[cfg_file(path = CLIENT_FILE_LATEST_INFO_NOSET)]
 pub struct LatestInfo {
     // Sheets
-    /// My sheets, indicating which sheets I can edit
-    pub my_sheets: Vec<SheetName>,
-    /// Other sheets, indicating which sheets I can export files to (these sheets are not readable to me)
-    pub other_sheets: Vec<SheetInfo>,
+    /// Visible sheets,
+    /// indicating which sheets I can edit
+    pub visible_sheets: Vec<SheetName>,
+
+    /// Invisible sheets,
+    /// indicating which sheets I can export files to (these sheets are not readable to me)
+    pub invisible_sheets: Vec<SheetInfo>,
+
+    /// Reference sheets,
+    /// indicating sheets owned by the host, visible to everyone,
+    /// but only the host can modify or add mappings within them
+    pub reference_sheets: HashSet<SheetName>,
+
     /// Reference sheet data, indicating what files I can get from the reference sheet
     pub ref_sheet_content: SheetData,
 
+    /// Shares in my sheets, indicating which external merge requests have entries that I can view
+    pub shares_in_my_sheets: HashMap<SheetName, HashMap<SheetShareId, Share>>,
+
     /// Update instant
     pub update_instant: Option<SystemTime>,