1 files changed, 54 insertions, 0 deletions
diff --git a/internal/hexailsp/run_more_test.go b/internal/hexailsp/run_more_test.go
index 00b79c1..faaae41 100644
--- a/internal/hexailsp/run_more_test.go
+++ b/internal/hexailsp/run_more_test.go
@@ -2,18 +2,34 @@ package hexailsp
 
 import (
 	"bytes"
+	"context"
 	"io"
 	"log"
 	"testing"
 
 	"codeberg.org/snonux/hexai/internal/appconfig"
+	"codeberg.org/snonux/hexai/internal/llm"
 	"codeberg.org/snonux/hexai/internal/lsp"
+	"codeberg.org/snonux/hexai/internal/runtimeconfig"
 )
 
 type recRunner struct{ ran bool }
 
 func (r *recRunner) Run() error { r.ran = true; return nil }
 
+type applyRunner struct{ opts []lsp.ServerOptions }
+
+func (r *applyRunner) Run() error                          { return nil }
+func (r *applyRunner) ApplyOptions(opts lsp.ServerOptions) { r.opts = append(r.opts, opts) }
+
+type stubClient struct{}
+
+func (stubClient) Chat(context.Context, []llm.Message, ...llm.RequestOption) (string, error) {
+	return "", nil
+}
+func (stubClient) Name() string         { return "stub" }
+func (stubClient) DefaultModel() string { return "stub-model" }
+
 func TestRunWithFactory_BuildsOptionsAndClient(t *testing.T) {
 	var captured lsp.ServerOptions
 	factory := func(r io.Reader, w io.Writer, logger *log.Logger, opts lsp.ServerOptions) ServerRunner {
@@ -41,3 +57,41 @@ func TestRunWithFactory_BuildsOptionsAndClient(t *testing.T) {
 		t.Fatalf("expected client to be constructed")
 	}
 }
+
+func TestRunWithFactory_SubscriptionAppliesUpdates(t *testing.T) {
+	var in, out bytes.Buffer
+	logger := log.New(io.Discard, "", 0)
+	runner := &applyRunner{}
+	var capturedStore *runtimeconfig.Store
+	factory := func(r io.Reader, w io.Writer, logger *log.Logger, opts lsp.ServerOptions) ServerRunner {
+		capturedStore = opts.ConfigStore
+		runner.opts = append(runner.opts, opts)
+		return runner
+	}
+	cfg := appconfig.Load(nil)
+	cfg.StatsWindowMinutes = 0
+	cfg.ContextMode = " WINDOW "
+	if err := RunWithFactory("", &in, &out, logger, cfg, stubClient{}, factory); err != nil {
+		t.Fatalf("RunWithFactory error: %v", err)
+	}
+	if capturedStore == nil {
+		t.Fatal("expected config store to be passed to factory")
+	}
+	if len(runner.opts) == 0 {
+		t.Fatal("expected initial options to be recorded")
+	}
+	updated := cfg
+	updated.MaxTokens = cfg.MaxTokens + 10
+	updated.ContextMode = "always-full"
+	capturedStore.Set(updated)
+	if len(runner.opts) < 2 {
+		t.Fatalf("expected ApplyOptions to be invoked on config update, got %d calls", len(runner.opts))
+	}
+	latest := runner.opts[len(runner.opts)-1]
+	if latest.MaxTokens != updated.MaxTokens {
+		t.Fatalf("expected updated max tokens, got %+v", latest)
+	}
+	if latest.ContextMode != "always-full" {
+		t.Fatalf("expected normalized context mode, got %+v", latest)
+	}
+}