Split ingress keys into text/image protocols with Replicate model listing.

Add model input defaults (including prompt), workflow model editing, ingress API docs, and fix img2img image upload filenames for signed URLs.

Co-authored-by: Cursor <cursoragent@cursor.com>

internal/prediction/defaults_test.go

@@ -0,0 +1,55 @@
+package prediction
+
+import (
+	"testing"
+
+	"github.com/rose_cat707/luminary/internal/model"
+)
+
+func TestValidateInputWithDefaultsOverride(t *testing.T) {
+	overrides := map[string]any{"width": float64(768), "steps": float64(30)}
+	out, err := ValidateInputWithDefaults(model.WorkflowTxt2Img, map[string]any{
+		"prompt": "hello",
+	}, overrides)
+	if err != nil {
+		t.Fatal(err)
+	}
+	if out["width"] != 768 && out["width"] != float64(768) {
+		t.Fatalf("width got %#v", out["width"])
+	}
+	if out["steps"] != 30 && out["steps"] != float64(30) {
+		t.Fatalf("steps got %#v", out["steps"])
+	}
+}
+
+func TestOpenAPISchemaUsesModelDefaults(t *testing.T) {
+	schema := OpenAPISchemaForWorkflow(model.WorkflowTxt2Img, "flux", "desc", map[string]any{
+		"width": float64(768),
+	})
+	components := schema["components"].(map[string]any)
+	schemas := components["schemas"].(map[string]any)
+	input := schemas["Input"].(map[string]any)
+	props := input["properties"].(map[string]any)
+	width := props["width"].(map[string]any)
+	if width["default"] != float64(768) {
+		t.Fatalf("unexpected width default %#v", width["default"])
+	}
+}
+
+func TestValidateInputPromptDefault(t *testing.T) {
+	overrides := map[string]any{"prompt": "a scenic landscape"}
+	out, err := ValidateInputWithDefaults(model.WorkflowTxt2Img, map[string]any{}, overrides)
+	if err != nil {
+		t.Fatal(err)
+	}
+	if out["prompt"] != "a scenic landscape" {
+		t.Fatalf("prompt got %#v", out["prompt"])
+	}
+}
+
+func TestValidateInputRequiredWithoutDefault(t *testing.T) {
+	_, err := ValidateInputWithDefaults(model.WorkflowTxt2Img, map[string]any{}, map[string]any{})
+	if err == nil {
+		t.Fatal("expected missing prompt error")
+	}
+}