feat: i18n Phase 1-4b wiring + rebase compile fixes

.gitignore

@@ -77,6 +77,7 @@ apps/
 # Claude Code runtime artifacts
 .claude/scheduled_tasks.lock
 .claude/worktrees/
+.claude/settings.json
 .worktrees/
 .ace-tool/
 

crates/tui/src/commands/anchor.rs

@@ -21,12 +21,12 @@ pub fn anchor(app: &mut App, content: Option<&str>) -> CommandResult {
     let input = match content {
         Some(c) => c.trim(),
         None => {
-            return CommandResult::error(format!("Usage: {USAGE}"));
+            return CommandResult::error_msg(format!("Usage: {USAGE}"));
         }
     };
 
     if input.is_empty() {
-        return CommandResult::error(format!("Usage: {USAGE}"));
+        return CommandResult::error_msg(format!("Usage: {USAGE}"));
     }
 
     // Parse subcommands.
@@ -89,20 +89,20 @@ fn add_anchor(app: &mut App, text: &str) -> CommandResult {
     if let Some(parent) = path.parent()
         && let Err(e) = fs::create_dir_all(parent)
     {
-        return CommandResult::error(format!("Failed to create anchors directory: {e}"));
+        return CommandResult::error_msg(format!("Failed to create anchors directory: {e}"));
     }
 
     // Append to anchors file.
     let mut file = match fs::OpenOptions::new().create(true).append(true).open(&path) {
         Ok(f) => f,
         Err(e) => {
-            return CommandResult::error(format!("Failed to open anchors file: {e}"));
+            return CommandResult::error_msg(format!("Failed to open anchors file: {e}"));
         }
     };
 
     // Write separator and anchor content.
     if let Err(e) = writeln!(file, "\n---\n{text}") {
-        return CommandResult::error(format!("Failed to write anchor: {e}"));
+        return CommandResult::error_msg(format!("Failed to write anchor: {e}"));
     }
 
     CommandResult::message(format!(
@@ -134,7 +134,7 @@ fn remove_anchor(app: &mut App, index_str: &str) -> CommandResult {
     let index: usize = match index_str.parse() {
         Ok(n) if n >= 1 => n,
         _ => {
-            return CommandResult::error(
+            return CommandResult::error_msg(
                 "Invalid index. Use /anchor list to see anchor numbers, then /anchor remove <n>.",
             );
         }
@@ -143,15 +143,15 @@ fn remove_anchor(app: &mut App, index_str: &str) -> CommandResult {
     let mut anchors = read_anchors(app);
 
     if index > anchors.len() {
-        return CommandResult::error(format!(
+        return CommandResult::error_msg(format!(
             "Anchor #{index} does not exist. You have {} anchor(s). Use /anchor list to see them.",
             anchors.len()
         ));
     }
 
     let removed = anchors.remove(index - 1);
     if let Err(e) = write_anchors(app, &anchors) {
-        return CommandResult::error(e);
+        return CommandResult::error_msg(e);
     }
 
     CommandResult::message(format!("Removed anchor #{index}: {removed}"))

crates/tui/src/commands/attachment.rs

@@ -7,20 +7,27 @@ use crate::tui::app::App;
 
 pub fn attach(app: &mut App, arg: Option<&str>) -> CommandResult {
     let Some(raw_path) = arg.map(str::trim).filter(|value| !value.is_empty()) else {
-        return CommandResult::error("Usage: /attach <image-or-video-path>");
+        return CommandResult::error("Usage: /attach <image-or-video-path>", app.ui_locale);
     };
 
     let path = resolve_attachment_path(raw_path, &app.workspace);
     let Ok(path) = path.canonicalize() else {
-        return CommandResult::error(format!("Attachment not found: {}", path.display()));
+        return CommandResult::error(
+            format!("Attachment not found: {}", path.display()),
+            app.ui_locale,
+        );
     };
     if !path.is_file() {
-        return CommandResult::error(format!("Attachment is not a file: {}", path.display()));
+        return CommandResult::error(
+            format!("Attachment is not a file: {}", path.display()),
+            app.ui_locale,
+        );
     }
 
     let Some(kind) = media_kind(&path) else {
         return CommandResult::error(
             "Unsupported attachment type. /attach is for image/video paths; use @path for text files or directories.",
+            app.ui_locale,
         );
     };
 

crates/tui/src/commands/change.rs

@@ -56,7 +56,7 @@ pub fn change(app: &mut App, version: Option<&str>) -> CommandResult {
                  Expected a line starting with `## [`."
                     .to_string()
             };
-            return CommandResult::error(msg);
+            return CommandResult::error_msg(msg);
         }
     };