feat: add write approve mode (#1628)

crates/goose-cli/src/commands/configure.rs

@@ -697,6 +697,11 @@ pub fn configure_goose_mode_dialog() -> Result<(), Box<dyn Error>> {
         .item(
             "approve",
             "Approve Mode",
+            "All tools, extensions and file modificatio will require human approval"
+        )
+        .item(
+            "write_approve",
+            "Write Approve Mode",
             "Editing, creating, deleting files and using extensions will require human approval"
         )
         .item(
@@ -713,7 +718,11 @@ pub fn configure_goose_mode_dialog() -> Result<(), Box<dyn Error>> {
         }
         "approve" => {
             config.set_param("GOOSE_MODE", Value::String("approve".to_string()))?;
-            cliclack::outro("Set to Approve Mode - modifications require approval")?;
+            cliclack::outro("Set to Approve Mode - all tools and modifications require approval")?;
+        }
+        "write_approve" => {
+            config.set_param("GOOSE_MODE", Value::String("write_approve".to_string()))?;
+            cliclack::outro("Set to Write Approve Mode - modifications require approval")?;
         }
         "chat" => {
             config.set_param("GOOSE_MODE", Value::String("chat".to_string()))?;

crates/goose-cli/src/session/completion.rs

@@ -77,7 +77,7 @@ impl GooseCompleter {
 
     /// Complete flags for the /mode command
     fn complete_mode_flags(&self, line: &str) -> Result<(usize, Vec<Pair>)> {
-        let modes = ["auto", "approve", "chat"];
+        let modes = ["auto", "approve", "write_approve", "chat"];
 
         let parts: Vec<&str> = line.split_whitespace().collect();
 

crates/goose-cli/src/session/mod.rs

@@ -335,7 +335,7 @@ impl Session {
                     let mode = mode.to_lowercase();
 
                     // Check if mode is valid
-                    if !["auto", "approve", "chat"].contains(&mode.as_str()) {
+                    if !["auto", "approve", "chat", "write_approve"].contains(&mode.as_str()) {
                         output::render_error(&format!(
                             "Invalid mode '{}'. Mode must be one of: auto, approve, chat",
                             mode

crates/goose/src/agents/truncate.rs

@@ -275,7 +275,7 @@ impl Agent for TruncateAgent {
                         // Clone goose_mode once before the match to avoid move issues
                         let mode = goose_mode.clone();
                         match mode.as_str() {
-                            "approve" => {
+                            "approve" | "write_approve" => {
                                 let mut read_only_tools = Vec::new();
                                 let mut needs_confirmation = Vec::<&ToolRequest>::new();
                                 let mut approved_tools = Vec::new();
@@ -298,7 +298,7 @@ impl Agent for TruncateAgent {
                                 }
 
                                 // Only check read-only status for tools needing confirmation
-                                if !needs_confirmation.is_empty() {
+                                if !needs_confirmation.is_empty() && mode == "write_approve" {
                                     read_only_tools = detect_read_only_tools(&capabilities, needs_confirmation.clone()).await;
                                 }