feat: add write approve mode (#1628)

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