fixes

apps/api/internal/company/lang_content_test.go

@@ -17,6 +17,7 @@ func TestSanitizeLangPromptMap(t *testing.T) {
 	m, err := SanitizeLangPromptMap(map[string]string{
 		"SL": "  hello {{name}}  ",
 		"en": "",
+		"*":  " shared ",
 	}, 100)
 	if err != nil {
 		t.Fatal(err)
@@ -27,16 +28,37 @@ func TestSanitizeLangPromptMap(t *testing.T) {
 	if _, ok := m["en"]; ok {
 		t.Fatalf("empty en should be dropped: %#v", m)
 	}
+	if m[LangPromptAny] != "shared" {
+		t.Fatalf("wildcard missing: %#v", m)
+	}
 }
 
 func TestPromptForLanguage(t *testing.T) {
 	t.Parallel()
 	m := LangPromptMap{"sl": "slo", "en": "eng"}
-	if got := PromptForLanguage(m, "SL"); got != "slo" {
+	if got := PromptForLanguage(m, "SL", ""); got != "slo" {
 		t.Fatalf("got %q", got)
 	}
-	if got := PromptForLanguage(m, "de"); got != "" {
-		t.Fatalf("expected empty, got %q", got)
+	if got := PromptForLanguage(m, "de", ""); got != "" {
+		t.Fatalf("expected empty without primary, got %q", got)
+	}
+	// sl-only map: exact hit for sl
+	slOnly := LangPromptMap{"sl": "slo-only"}
+	if got := PromptForLanguage(slOnly, "sl", "sl"); got != "slo-only" {
+		t.Fatalf("sl exact: got %q", got)
+	}
+	// sl-only map: en request falls back to primary=sl
+	if got := PromptForLanguage(slOnly, "en", "sl"); got != "slo-only" {
+		t.Fatalf("en→primary sl: got %q", got)
+	}
+	// wildcard before primary
+	anyMap := LangPromptMap{"*": "shared", "sl": "slo"}
+	if got := PromptForLanguage(anyMap, "de", "sl"); got != "shared" {
+		t.Fatalf("wildcard before primary: got %q", got)
+	}
+	// explicit lang beats wildcard
+	if got := PromptForLanguage(anyMap, "sl", "en"); got != "slo" {
+		t.Fatalf("explicit beats *: got %q", got)
 	}
 }