feat(bedrock): catalog Amazon Nova 2 Lite for Bedrock US

.gitignore

@@ -37,3 +37,6 @@ dist/
 
 # temp dir
 /tmp
+
+# kiro
+.kiro/

internal/providers/bedrock_nova_test.go

@@ -0,0 +1,91 @@
+package providers
+
+import (
+	"regexp"
+	"testing"
+
+	"charm.land/catwalk/pkg/catwalk"
+)
+
+const nova2LiteModelID = "amazon.nova-2-lite-v1:0"
+
+func novaModels(provider catwalk.Provider) []catwalk.Model {
+	novaModelPattern := regexp.MustCompile(`^amazon\.nova-.+-v\d+:\d+$`)
+	var models []catwalk.Model
+	for _, model := range provider.Models {
+		if novaModelPattern.MatchString(model.ID) {
+			models = append(models, model)
+		}
+	}
+	return models
+}
+
+func TestNova2LiteModelPresent(t *testing.T) {
+	provider := bedrockUnitedStatesProvider()
+	models := novaModels(provider)
+
+	if len(models) != 1 {
+		t.Fatalf("expected exactly 1 Nova model, found %d", len(models))
+	}
+
+	model := models[0]
+	if model.ID != nova2LiteModelID {
+		t.Fatalf("expected %q, got %q", nova2LiteModelID, model.ID)
+	}
+	if model.Name != "Amazon Nova 2 Lite" {
+		t.Fatalf("unexpected model name: %q", model.Name)
+	}
+}
+
+func TestNova2LiteModelConfiguration(t *testing.T) {
+	provider := bedrockUnitedStatesProvider()
+
+	var model catwalk.Model
+	for _, m := range provider.Models {
+		if m.ID == nova2LiteModelID {
+			model = m
+			break
+		}
+	}
+	if model.ID == "" {
+		t.Fatal("Nova 2 Lite model not found")
+	}
+
+	if model.CostPer1MIn != 0.06 {
+		t.Errorf("input cost should be 0.06, got %f", model.CostPer1MIn)
+	}
+	if model.CostPer1MOut != 0.24 {
+		t.Errorf("output cost should be 0.24, got %f", model.CostPer1MOut)
+	}
+	if model.ContextWindow != 1_000_000 {
+		t.Errorf("context window should be 1000000, got %d", model.ContextWindow)
+	}
+	if model.DefaultMaxTokens != 64_000 {
+		t.Errorf("default max tokens should be 64000, got %d", model.DefaultMaxTokens)
+	}
+	if !model.CanReason {
+		t.Error("Nova 2 Lite should support extended thinking")
+	}
+	if !model.SupportsImages {
+		t.Error("Nova 2 Lite should support attachments")
+	}
+}
+
+func TestNovaGen1ModelsNotCataloged(t *testing.T) {
+	provider := bedrockUnitedStatesProvider()
+
+	legacyIDs := []string{
+		"amazon.nova-pro-v1:0",
+		"amazon.nova-lite-v1:0",
+		"amazon.nova-micro-v1:0",
+		"amazon.nova-premier-v1:0",
+	}
+
+	for _, id := range legacyIDs {
+		for _, model := range provider.Models {
+			if model.ID == id {
+				t.Errorf("Gen 1 Nova model %q should not be in the Bedrock catalog", id)
+			}
+		}
+	}
+}

internal/providers/configs/bedrock-united-states.json

@@ -138,6 +138,18 @@
       "reasoning_levels": ["low", "medium", "high", "xhigh", "max"],
       "default_reasoning_effort": "high",
       "supports_attachments": true
+    },
+    {
+      "id": "amazon.nova-2-lite-v1:0",
+      "name": "Amazon Nova 2 Lite",
+      "cost_per_1m_in": 0.06,
+      "cost_per_1m_out": 0.24,
+      "cost_per_1m_in_cached": 0,
+      "cost_per_1m_out_cached": 0,
+      "context_window": 1000000,
+      "default_max_tokens": 64000,
+      "can_reason": true,
+      "supports_attachments": true
     }
   ]
 }