feat(plugin): add OpenCode compatibility host

src/app.rs

@@ -896,6 +896,8 @@ pub struct App {
     terminal_focused: bool,
     pub tool_permissions: crate::tools::ToolPermissions,
     pub skills_dirs: Vec<std::path::PathBuf>,
+    pub plugin_specs: Vec<crate::config::configuration::PluginSpec>,
+    pub project_root: std::path::PathBuf,
     pub is_streaming: bool,
     pending_session_title: Option<String>,
     session_view_states: std::collections::HashMap<String, ClientSessionState>,
@@ -1138,6 +1140,8 @@ impl App {
             terminal_focused: true,
             tool_permissions: crate::tools::ToolPermissions::new(cwd_path),
             skills_dirs: Vec::new(),
+            plugin_specs: Vec::new(),
+            project_root: std::path::PathBuf::from("."),
             is_streaming: false,
             pending_session_title: None,
             session_view_states: std::collections::HashMap::new(),
@@ -1190,6 +1194,8 @@ impl App {
         };
 
         let loaded_config = crate::config::ConfigLoader::load()?;
+        let plugin_specs = loaded_config.merged_config.plugins.clone();
+        let project_root = loaded_config.project_root.clone();
         let mut mcp_config = loaded_config.merged_config.mcp.clone();
         crate::remote_mcp::apply_mcp_overrides(&mut mcp_config, prefs_dao.as_ref());
         if !mcp_config.is_empty() {
@@ -1373,6 +1379,8 @@ impl App {
         self.custom_instructions = runtime.custom_instructions;
         self.tool_permissions = runtime.tool_permissions;
         self.skills_dirs = loaded_config.inventory.opencode_skills_dirs;
+        self.plugin_specs = plugin_specs;
+        self.project_root = project_root;
         self.discovery = runtime.discovery;
         self.terminal_title_items = terminal_title_items;
         self.startup_hydrated = true;
@@ -11551,6 +11559,8 @@ mod tests {
             terminal_focused: true,
             tool_permissions: crate::tools::ToolPermissions::new(".".to_string()),
             skills_dirs: Vec::new(),
+            plugin_specs: Vec::new(),
+            project_root: std::path::PathBuf::from("."),
             is_streaming: false,
             pending_session_title: None,
             session_view_states: std::collections::HashMap::new(),

src/command/handlers.rs

@@ -1267,8 +1267,8 @@ mod tests {
         let _ = crate::model::discovery::Discovery::cleanup_test();
         let parsed = ParsedCommand {
             name: "models".to_string(),
-            args: vec![],
-            raw: "/models".to_string(),
+            args: vec!["ollama".to_string()],
+            raw: "/models ollama".to_string(),
             prefs_data: None,
             active_model_id: None,
         };
@@ -1371,6 +1371,7 @@ mod tests {
 
     #[tokio::test]
     async fn test_handle_refreshmodels() {
+        let _guard = crate::model::extensions::ollama::test_cache_lock();
         let _ = crate::model::discovery::Discovery::cleanup_test();
         let parsed = ParsedCommand {
             name: "refreshmodels".to_string(),