feat: SQLite session store and tool-calling agent loop

internal/store/store_test.go

@@ -0,0 +1,50 @@
+package store
+
+import (
+	"context"
+	"errors"
+	"path/filepath"
+	"testing"
+
+	"github.com/crypto/openclaw/internal/llm"
+)
+
+func TestStoreRoundTrip(t *testing.T) {
+	s, err := Open(filepath.Join(t.TempDir(), "t.db"))
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer s.Close()
+	ctx := context.Background()
+	ss, err := s.CreateSession(ctx, "first")
+	if err != nil {
+		t.Fatal(err)
+	}
+	s.AppendMessage(ctx, ss.ID, llm.Message{Role: llm.RoleUser, Content: "hi"})
+	s.AppendMessage(ctx, ss.ID, llm.Message{Role: llm.RoleAssistant, ToolCalls: []llm.ToolCall{{ID: "c1", Name: "time_now", Arguments: "{}"}}})
+	s.AppendMessage(ctx, ss.ID, llm.Message{Role: llm.RoleTool, ToolCallID: "c1", Name: "time_now", Content: "now"})
+	all, _ := s.Messages(ctx, ss.ID, 0)
+	if len(all) != 3 || all[1].ToolCalls[0].Name != "time_now" || all[2].ToolCallID != "c1" {
+		t.Fatalf("%+v", all)
+	}
+	last, _ := s.Messages(ctx, ss.ID, 2)
+	if len(last) != 2 || last[0].Role != llm.RoleAssistant {
+		t.Fatalf("limit: %+v", last)
+	}
+	if err := s.RenameSession(ctx, ss.ID, "renamed"); err != nil {
+		t.Fatal(err)
+	}
+	list, _ := s.ListSessions(ctx, 10)
+	if len(list) != 1 || list[0].Title != "renamed" {
+		t.Fatalf("%+v", list)
+	}
+	if err := s.DeleteSession(ctx, ss.ID); err != nil {
+		t.Fatal(err)
+	}
+	if _, err := s.GetSession(ctx, ss.ID); !errors.Is(err, ErrNotFound) {
+		t.Fatal(err)
+	}
+	if m, _ := s.Messages(ctx, ss.ID, 0); len(m) != 0 {
+		t.Fatal("cascade delete failed")
+	}
+}