Add leads handlers, WhatsApp integration, and test files

apps/go-crm/go.mod

@@ -1,25 +1,44 @@
 module go-crm
 
-go 1.22
+go 1.25.0
 
 require (
+	github.com/glebarez/go-sqlite v1.21.2
 	github.com/glebarez/sqlite v1.11.0
 	github.com/go-chi/chi/v5 v5.1.0
-	golang.org/x/crypto v0.27.0
+	github.com/go-chi/cors v1.2.2
+	go.mau.fi/whatsmeow v0.0.0-20260427122815-7514259253a7
+	golang.org/x/crypto v0.50.0
 )
 
 require (
+	filippo.io/edwards25519 v1.1.0 // indirect
+	github.com/beeper/argo-go v1.1.2 // indirect
+	github.com/coder/websocket v1.8.14 // indirect
 	github.com/dustin/go-humanize v1.0.1 // indirect
-	github.com/glebarez/go-sqlite v1.21.2 // indirect
-	github.com/google/uuid v1.3.0 // indirect
+	github.com/elliotchance/orderedmap/v3 v3.1.0 // indirect
+	github.com/google/uuid v1.6.0 // indirect
 	github.com/jinzhu/inflection v1.0.0 // indirect
 	github.com/jinzhu/now v1.1.5 // indirect
-	github.com/mattn/go-isatty v0.0.17 // indirect
+	github.com/mattn/go-colorable v0.1.14 // indirect
+	github.com/mattn/go-isatty v0.0.20 // indirect
+	github.com/petermattis/goid v0.0.0-20260330135022-df67b199bc81 // indirect
 	github.com/remyoudompheng/bigfft v0.0.0-20230129092748-24d4a6f8daec // indirect
-	golang.org/x/sys v0.25.0 // indirect
+	github.com/rs/zerolog v1.35.0 // indirect
+	github.com/vektah/gqlparser/v2 v2.5.27 // indirect
+	go.mau.fi/libsignal v0.2.1 // indirect
+	go.mau.fi/util v0.9.8 // indirect
+	golang.org/x/exp v0.0.0-20260410095643-746e56fc9e2f // indirect
+	golang.org/x/net v0.53.0 // indirect
+	golang.org/x/sync v0.20.0 // indirect
+	golang.org/x/sys v0.43.0 // indirect
+	golang.org/x/text v0.36.0 // indirect
+	google.golang.org/protobuf v1.36.11 // indirect
 	gorm.io/gorm v1.25.7 // indirect
 	modernc.org/libc v1.22.5 // indirect
 	modernc.org/mathutil v1.5.0 // indirect
 	modernc.org/memory v1.5.0 // indirect
 	modernc.org/sqlite v1.23.1 // indirect
 )
+
+replace go.mau.eu/whatsmeow => go.mau.fi/whatsmeow v0.0.0-20260427122815-7514259253a7