fix(ai): align model discovery order

crates/op-host-desktop/src/model_discovery.rs

@@ -94,14 +94,24 @@ fn model_entry_to_ec(m: ModelEntry) -> op_editor_core::ModelEntry {
 /// it only reads files and spawns short-lived subprocesses.
 pub fn discover_models() -> Vec<ModelEntry> {
     let mut out = Vec::new();
-    out.extend(discover_claude());
-    out.extend(discover_codex());
-    out.extend(discover_gemini());
-    out.extend(discover_copilot());
-    out.extend(discover_opencode());
+    for provider in discovery_provider_order() {
+        match provider {
+            AgentProvider::ClaudeCode => out.extend(discover_claude()),
+            AgentProvider::CodexCli => out.extend(discover_codex()),
+            AgentProvider::OpenCode => out.extend(discover_opencode()),
+            AgentProvider::GithubCopilot => out.extend(discover_copilot()),
+            AgentProvider::GeminiCli => out.extend(discover_gemini()),
+        }
+    }
     out
 }
 
+/// Provider probe order mirrors TS `DEFAULT_PROVIDERS`, which is
+/// also the core `AgentProvider::ALL` order used by Settings.
+fn discovery_provider_order() -> [AgentProvider; 5] {
+    AgentProvider::ALL
+}
+
 /// Resolve `name` to an executable on `PATH`. On Windows this also
 /// tries the `.exe` / `.cmd` / `.bat` suffixes so npm-installed CLI
 /// shims resolve. Returns `None` when the CLI is not installed.
@@ -561,6 +571,11 @@ mod tests {
         assert_eq!(models[0].display_name, "GPT-5");
     }
 
+    #[test]
+    fn discovery_order_matches_ts_default_provider_order() {
+        assert_eq!(discovery_provider_order(), AgentProvider::ALL);
+    }
+
     #[test]
     fn discover_models_never_panics() {
         // Whatever is or isn't installed on the test machine, the