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.

scripts/local-phone-account/main.go

@@ -0,0 +1,30 @@
+// Local fixture setup only. Run explicitly after the local seed and migration 61.
+package main
+
+import (
+	"context"
+	"data-terminal-cloud/internal/onboarding"
+	"fmt"
+	"github.com/jackc/pgx/v5/pgxpool"
+	"github.com/redis/go-redis/v9"
+	"os"
+)
+
+func main() {
+	ctx := context.Background()
+	pool, err := pgxpool.New(ctx, "postgres://voice:voice_dev_only@127.0.0.1:55432/voice_platform?sslmode=disable")
+	check(err)
+	defer pool.Close()
+	r := redis.NewClient(&redis.Options{Addr: "127.0.0.1:56379"})
+	defer r.Close()
+	s, err := onboarding.NewService(pool, r, onboarding.Options{MasterKey: os.Getenv("ONBOARDING_MASTER_KEY"), EntryURL: "http://localhost:3100/onboarding/entry", AllowLocalHTTP: true})
+	check(err)
+	check(s.ProvisionLocalDemoPhone(ctx, os.Getenv("LOCAL_DEMO_PASSWORD")))
+	fmt.Println("Local demo phone account provisioned; existing credentials preserved.")
+}
+func check(err error) {
+	if err != nil {
+		fmt.Fprintln(os.Stderr, err)
+		os.Exit(1)
+	}
+}