feat: expand companion platform, device controls, and memoir workflows

Add customer and operator login, BLE provisioning, device fleet controls, call memory, memoir generation, and refreshed family and maintenance portals. Include API contracts, migrations, firmware sources, tests, assets, and deployment documentation.

internal/workflowbridge/ark.go

@@ -0,0 +1,27 @@
+package workflowbridge
+
+import (
+	"data-terminal-cloud/internal/extraction"
+	"data-terminal-cloud/internal/memoir"
+	"time"
+)
+
+func NewArkService(secret, base, key string) (*Service, error) {
+	extractor, err := extraction.NewArkJSONGenerator(base, key, DefaultTextModel, 90*time.Second, 8192)
+	if err != nil {
+		return nil, err
+	}
+	editor, err := extraction.NewArkJSONGenerator(base, key, DefaultBookModel, 480*time.Second, 65536)
+	if err != nil {
+		return nil, err
+	}
+	s := New(secret, extractor, editor, memoir.NewIllustrator(base, key, DefaultImageModel))
+	s.EditorForModel = func(step, model string) (Editor, error) {
+		if step == "write-book" {
+			return extraction.NewArkJSONGenerator(base, key, model, 480*time.Second, 65536)
+		}
+		return extraction.NewArkJSONGenerator(base, key, model, 90*time.Second, 8192)
+	}
+	s.ImageForModel = func(model string) (ImageGenerator, error) { return memoir.NewIllustrator(base, key, model), nil }
+	return s, nil
+}