1 files changed, 62 insertions, 10 deletions

diff --git a/src/integration/opencode_config.rs b/src/integration/opencode_config.rs
index b062365b..888efa13 100644
--- a/src/integration/opencode_config.rs
+++ b/src/integration/opencode_config.rs
@@ -10,12 +10,17 @@ use super::config_file::{check_config_target, write_config};
 
 const TUI_CONFIG_NAME: &str = "tui.jsonc";
 
-pub(crate) fn tui_config_path(config_dir: &Path) -> PathBuf {
-    config_dir.join(TUI_CONFIG_NAME)
+fn tui_config_paths(config_dir: &Path) -> [PathBuf; 2] {
+    [
+        config_dir.join(TUI_CONFIG_NAME),
+        config_dir.join("tui.json"),
+    ]
 }
 
 pub(crate) fn validate_tui_plugin_config(config_dir: &Path) -> io::Result<()> {
-    validate_plugin_config(&tui_config_path(config_dir), "plugin")?;
+    for path in tui_config_paths(config_dir) {
+        validate_plugin_config(&path, "plugin")?;
+    }
     validate_plugin_config(&config_dir.join("cli.json"), "plugins")
 }
 
@@ -37,7 +42,13 @@ fn validate_plugin_config(config_path: &Path, key: &str) -> io::Result<()> {
 }
 
 pub(crate) fn add_tui_plugin(config_dir: &Path, plugin_spec: &str) -> io::Result<PathBuf> {
-    add_plugin(tui_config_path(config_dir), "plugin", plugin_spec)
+    for path in tui_config_paths(config_dir) {
+        if plugin_is_configured(&path, "plugin", plugin_spec) {
+            return Ok(path);
+        }
+    }
+    // Keep tui.json absent on fresh installs so OpenCode can migrate its settings.
+    add_plugin(config_dir.join(TUI_CONFIG_NAME), "plugin", plugin_spec)
 }
 
 pub(crate) fn add_cli_plugin(
@@ -98,8 +109,21 @@ fn add_plugin(config_path: PathBuf, key: &str, plugin_spec: &str) -> io::Result<
     Ok(config_path)
 }
 
-pub(crate) fn remove_tui_plugin(config_dir: &Path, plugin_spec: &str) -> io::Result<bool> {
-    remove_plugin(&tui_config_path(config_dir), "plugin", plugin_spec)
+pub(crate) fn remove_tui_plugin(config_dir: &Path, plugin_spec: &str) -> io::Result<Vec<PathBuf>> {
+    let mut updated = Vec::new();
+    let mut errors = Vec::new();
+    for path in tui_config_paths(config_dir) {
+        match remove_plugin(&path, "plugin", plugin_spec) {
+            Ok(true) => updated.push(path),
+            Ok(false) => {}
+            Err(err) => errors.push(err.to_string()),
+        }
+    }
+    if errors.is_empty() {
+        Ok(updated)
+    } else {
+        Err(io::Error::other(errors.join("; ")))
+    }
 }
 
 pub(crate) fn remove_cli_plugin(config_dir: &Path, plugin_spec: &str) -> io::Result<bool> {
@@ -143,7 +167,9 @@ fn remove_plugin(config_path: &Path, key: &str, plugin_spec: &str) -> io::Result
 }
 
 pub(crate) fn tui_plugin_is_configured(config_dir: &Path, plugin_spec: &str) -> bool {
-    plugin_is_configured(&tui_config_path(config_dir), "plugin", plugin_spec)
+    tui_config_paths(config_dir)
+        .iter()
+        .any(|path| plugin_is_configured(path, "plugin", plugin_spec))
 }
 
 pub(crate) fn cli_plugin_is_configured(config_dir: &Path, plugin_spec: &str) -> bool {
@@ -323,7 +349,10 @@ mod tests {
             ])
         );
 
-        assert!(remove_tui_plugin(&dir, "./herdr-tui-state.js").unwrap());
+        assert_eq!(
+            remove_tui_plugin(&dir, "./herdr-tui-state.js").unwrap(),
+            vec![config_path.clone()]
+        );
         let removed_content = fs::read_to_string(&config_path).unwrap();
         assert!(removed_content.contains("// Keep this comment."));
         let removed = parse_config(&config_path);
@@ -364,7 +393,10 @@ mod tests {
         let dir = unique_dir();
         let config_path = add_tui_plugin(&dir, "./herdr-tui-state.js").unwrap();
 
-        assert!(remove_tui_plugin(&dir, "./herdr-tui-state.js").unwrap());
+        assert_eq!(
+            remove_tui_plugin(&dir, "./herdr-tui-state.js").unwrap(),
+            vec![config_path.clone()]
+        );
         assert!(config_path.is_file());
         assert_eq!(parse_config(&config_path), json!({}));
 
@@ -372,6 +404,23 @@ mod tests {
     }
 
     #[test]
+    fn configured_tui_plugin_accepts_json_registration() {
+        let dir = unique_dir();
+        fs::write(
+            dir.join("tui.json"),
+            r#"{"plugin":["./herdr-tui-session.js"]}"#,
+        )
+        .unwrap();
+
+        let configured = tui_plugin_is_configured(&dir, "./herdr-tui-session.js");
+        fs::remove_dir_all(dir).unwrap();
+        assert!(
+            configured,
+            "OpenCode loads plugin registrations from tui.json"
+        );
+    }
+
+    #[test]
     fn configured_tui_plugin_accepts_option_tuple() {
         let dir = unique_dir();
         fs::write(
@@ -381,7 +430,10 @@ mod tests {
         .unwrap();
 
         assert!(tui_plugin_is_configured(&dir, "./herdr-tui-state.js"));
-        assert!(remove_tui_plugin(&dir, "./herdr-tui-state.js").unwrap());
+        assert_eq!(
+            remove_tui_plugin(&dir, "./herdr-tui-state.js").unwrap(),
+            vec![dir.join(TUI_CONFIG_NAME)]
+        );
 
         fs::remove_dir_all(dir).unwrap();
     }