chore: import clean Agent Desk snapshot (2/7)

internal/ai/runtime/instruction/assembler_test.go

@@ -0,0 +1,36 @@
+package instruction
+
+import (
+	"strings"
+	"testing"
+)
+
+func TestAssemblerRespectsProvidedSources(t *testing.T) {
+	result := NewAssembler().Assemble(AssemblerInput{
+		AgentInstruction: "agent-rule",
+		SkillInstruction: "skill-rule",
+		ToolAppendices:   []string{"tool-rule-1", "tool-rule-2"},
+	})
+	if !strings.Contains(result.Text, "Agent Rules:\nagent-rule") {
+		t.Fatalf("missing agent instruction: %s", result.Text)
+	}
+	if !strings.Contains(result.Text, "Current Skill Context:\nskill-rule") {
+		t.Fatalf("missing skill instruction: %s", result.Text)
+	}
+	if !strings.Contains(result.Text, "Tool Supplementary Rules:\ntool-rule-1") {
+		t.Fatalf("missing tool appendix: %s", result.Text)
+	}
+	if !result.Summary.HasAgentRule || !result.Summary.HasSkillRule || !result.Summary.HasToolRule {
+		t.Fatalf("unexpected summary: %#v", result.Summary)
+	}
+}
+
+func TestAssemblerReturnsEmptyTextWhenInputIsEmpty(t *testing.T) {
+	result := NewAssembler().Assemble(AssemblerInput{})
+	if result.Text != "" {
+		t.Fatalf("expected empty assembled text, got: %s", result.Text)
+	}
+	if len(result.Summary.SectionTitles) != 0 || result.Summary.HasAgentRule || result.Summary.HasSkillRule || result.Summary.HasToolRule {
+		t.Fatalf("expected empty summary, got %#v", result.Summary)
+	}
+}