feat(iace): VDA-Format FMEA Excel Export

- GET /projects/:id/fmea/export → xlsx im VDA-Formblatt
- Spalten: Nr, Komponente, Typ, Fehlerart, Fehlerfolge, S, O, D, RPZ, AP, Massnahme
- AP-Zellen farbig: H=rot, M=gelb, L=gruen
- Dependency: github.com/xuri/excelize/v2 (BSD-3-Clause)
- Frontend: "VDA Excel exportieren" Button auf FMEA-Seite

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

ai-compliance-sdk/go.mod

@@ -10,7 +10,7 @@ require (
 	github.com/jackc/pgx/v5 v5.5.3
 	github.com/joho/godotenv v1.5.1
 	github.com/jung-kurt/gofpdf v1.16.2
-	github.com/xuri/excelize/v2 v2.9.1
+	github.com/xuri/excelize/v2 v2.10.1
 	gopkg.in/yaml.v3 v3.0.1
 )
 
@@ -35,19 +35,19 @@ require (
 	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
 	github.com/modern-go/reflect2 v1.0.2 // indirect
 	github.com/pelletier/go-toml/v2 v2.2.4 // indirect
-	github.com/richardlehane/mscfb v1.0.4 // indirect
-	github.com/richardlehane/msoleps v1.0.4 // indirect
+	github.com/richardlehane/mscfb v1.0.6 // indirect
+	github.com/richardlehane/msoleps v1.0.6 // indirect
 	github.com/rogpeppe/go-internal v1.14.1 // indirect
-	github.com/tiendc/go-deepcopy v1.7.1 // indirect
+	github.com/tiendc/go-deepcopy v1.7.2 // indirect
 	github.com/twitchyliquid64/golang-asm v0.15.1 // indirect
 	github.com/ugorji/go/codec v1.3.0 // indirect
 	github.com/xuri/efp v0.0.1 // indirect
 	github.com/xuri/nfp v0.0.2-0.20250530014748-2ddeb826f9a9 // indirect
 	golang.org/x/arch v0.18.0 // indirect
-	golang.org/x/crypto v0.43.0 // indirect
-	golang.org/x/net v0.46.0 // indirect
-	golang.org/x/sync v0.17.0 // indirect
-	golang.org/x/sys v0.37.0 // indirect
-	golang.org/x/text v0.30.0 // indirect
+	golang.org/x/crypto v0.48.0 // indirect
+	golang.org/x/net v0.50.0 // indirect
+	golang.org/x/sync v0.19.0 // indirect
+	golang.org/x/sys v0.41.0 // indirect
+	golang.org/x/text v0.34.0 // indirect
 	google.golang.org/protobuf v1.36.6 // indirect
 )