Add print_g3_progress/print_g3_status methods for consistent status messages

crates/g3-core/src/lib.rs

@@ -892,12 +892,14 @@ impl<W: UiWriter> Agent<W> {
 
         // Check if we need to do 90% auto-compaction
         if self.pending_90_compaction {
-            self.ui_writer
-                .print_context_status("\ng3: compacting session ...\n");
-            if let Err(e) = self.force_compact().await {
-                warn!("Failed to auto-compact at 90%: {}", e);
-            } else {
-                self.ui_writer.println("");
+            self.ui_writer.println("");
+            self.ui_writer.print_g3_progress("compacting session");
+            match self.force_compact().await {
+                Ok(true) => self.ui_writer.print_g3_status("compacting session", "done"),
+                Ok(false) => self.ui_writer.print_g3_status("compacting session", "failed"),
+                Err(e) => {
+                    self.ui_writer.print_g3_status("compacting session", &format!("error: {}", e));
+                }
             }
             self.pending_90_compaction = false;
         }
@@ -1071,12 +1073,11 @@ impl<W: UiWriter> Agent<W> {
             self.ui_writer.print_context_thinning(&thin_summary);
 
             if !self.context_window.should_compact() {
-                self.ui_writer
-                    .print_context_status("g3: thinning resolved capacity issue\n");
+                self.ui_writer.print_g3_status("thinning", "resolved");
                 return Ok(false);
             }
-            self.ui_writer
-                .print_context_status("g3: thinning insufficient, compacting ...\n");
+            self.ui_writer.print_g3_status("thinning", "insufficient");
+            self.ui_writer.print_g3_progress("compacting session");
         }
 
         // Compaction still needed
@@ -1086,10 +1087,10 @@ impl<W: UiWriter> Agent<W> {
 
         use crate::compaction::{perform_compaction, CompactionConfig};
 
-        self.ui_writer.print_context_status(&format!(
-            "\ng3: compacting session ({}%) ...",
-            self.context_window.percentage_used() as u32
-        ));
+        self.ui_writer.println("");
+        self.ui_writer.print_g3_progress(
+            &format!("compacting session ({}%)", self.context_window.percentage_used() as u32)
+        );
 
         let provider_name = self.providers.get(None)?.name().to_string();
         let latest_user_msg = request
@@ -1115,14 +1116,13 @@ impl<W: UiWriter> Agent<W> {
         .await?;
 
         if result.success {
-            self.ui_writer
-                .print_context_status("g3: compacting session ... done\n");
+            self.ui_writer.print_g3_status("compacting session", "done");
             self.compaction_events.push(result.chars_saved);
             request.messages = self.context_window.conversation_history.clone();
             return Ok(true);
         }
 
-        self.ui_writer.print_context_status("⚠️ Unable to compact context. Consider starting a new session if you continue to see errors.\n");
+        self.ui_writer.print_g3_status("compacting session", "failed");
         Err(anyhow::anyhow!(
             "Context window at capacity and compaction failed. Please start a new session."
         ))

crates/g3-core/src/ui_writer.rs

@@ -17,6 +17,16 @@ pub trait UiWriter: Send + Sync {
     /// Print a context window status message
     fn print_context_status(&self, message: &str);
 
+    /// Print a g3-style status message in progress
+    /// Format: "g3: <message> ..."
+    /// - "g3:" should be bold green
+    fn print_g3_progress(&self, message: &str);
+
+    /// Print a g3-style status message with completion status
+    /// Format: "g3: <message> ... [status]"
+    /// - "g3:" should be bold green, "failed"/"error" status should be red
+    fn print_g3_status(&self, message: &str, status: &str);
+
     /// Print a context thinning success message with highlight and animation
     fn print_context_thinning(&self, message: &str);
 
@@ -124,6 +134,8 @@ impl UiWriter for NullUiWriter {
     fn print_inline(&self, _message: &str) {}
     fn print_system_prompt(&self, _prompt: &str) {}
     fn print_context_status(&self, _message: &str) {}
+    fn print_g3_progress(&self, _message: &str) {}
+    fn print_g3_status(&self, _message: &str, _status: &str) {}
     fn print_context_thinning(&self, _message: &str) {}
     fn print_tool_header(&self, _tool_name: &str, _tool_args: Option<&serde_json::Value>) {}
     fn print_tool_arg(&self, _key: &str, _value: &str) {}

crates/g3-core/tests/todo_staleness_test.rs

@@ -52,6 +52,8 @@ impl UiWriter for MockUiWriter {
             .unwrap()
             .push(format!("STATUS: {}", message));
     }
+    fn print_g3_progress(&self, _message: &str) {}
+    fn print_g3_status(&self, _message: &str, _status: &str) {}
     fn print_context_thinning(&self, _message: &str) {}
     fn print_tool_header(&self, _tool_name: &str, _tool_args: Option<&serde_json::Value>) {}
     fn print_tool_arg(&self, _key: &str, _value: &str) {}