Log config reload changes

1 files changed, 37 insertions, 0 deletions

diff --git a/internal/runtimeconfig/store_test.go b/internal/runtimeconfig/store_test.go
index 9973a1a..6e40c76 100644
--- a/internal/runtimeconfig/store_test.go
+++ b/internal/runtimeconfig/store_test.go
@@ -1,10 +1,12 @@
 package runtimeconfig
 
 import (
+	"bytes"
 	"io"
 	"log"
 	"os"
 	"path/filepath"
+	"strings"
 	"testing"
 
 	"codeberg.org/snonux/hexai/internal/appconfig"
@@ -57,3 +59,38 @@ func TestStoreReloadSkipsEnvOverrides(t *testing.T) {
 		t.Fatalf("expected max_tokens change in diff, got %#v", changes)
 	}
 }
+
+func TestStoreReloadLogsSummary(t *testing.T) {
+	var buf bytes.Buffer
+	logger := log.New(&buf, "", 0)
+	tmp := t.TempDir()
+	configDir := filepath.Join(tmp, "hexai")
+	if err := os.MkdirAll(configDir, 0o755); err != nil {
+		t.Fatalf("mkdir: %v", err)
+	}
+	configPath := filepath.Join(configDir, "config.toml")
+	if err := os.WriteFile(configPath, []byte("[general]\nmax_tokens = 64\n"), 0o644); err != nil {
+		t.Fatalf("write config: %v", err)
+	}
+
+	t.Setenv("XDG_CONFIG_HOME", tmp)
+	t.Setenv("HEXAI_MAX_TOKENS", "321")
+
+	initial := appconfig.Load(logger)
+	store := New(initial)
+	if err := os.WriteFile(configPath, []byte("[general]\nmax_tokens = 128\n"), 0o644); err != nil {
+		t.Fatalf("update config: %v", err)
+	}
+
+	_, err := store.Reload(logger, appconfig.LoadOptions{IgnoreEnv: true})
+	if err != nil {
+		t.Fatalf("reload failed: %v", err)
+	}
+	logOutput := buf.String()
+	if !strings.Contains(logOutput, "Reloaded config (1 changes):") {
+		t.Fatalf("expected summary line in log, got %q", logOutput)
+	}
+	if !strings.Contains(logOutput, "- max_tokens: 321 → 128") {
+		t.Fatalf("expected change details in log, got %q", logOutput)
+	}
+}