move optional config from app info page to deploy/settings page

Users couldn't find metadata provider fields (IGDB, ScreenScraper, etc.)
on the app info page. Move them to the deploy page where all other
settings (integrations, geo-restriction) already live.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

controller/internal/web/handlers.go

@@ -418,6 +418,23 @@ func (s *Server) deployHandler(w http.ResponseWriter, r *http.Request, name stri
 			data["GeoGlobalCountries"] = []string{}
 			data["GeoAppOverrideCountries"] = []string{}
 		}
+
+		// Optional config (metadata providers, etc.)
+		if meta.HasOptionalConfig() {
+			data["HasOptionalConfig"] = true
+			data["OptionalConfig"] = meta.OptionalConfig
+			optValues := make(map[string]string)
+			if decryptedEnv != nil {
+				for _, group := range meta.OptionalConfig {
+					for _, field := range group.Fields {
+						if val, ok := decryptedEnv[field.EnvVar]; ok {
+							optValues[field.EnvVar] = val
+						}
+					}
+				}
+			}
+			data["CurrentValues"] = optValues
+		}
 	}
 
 	// Memory info for deploy page (only for non-deployed apps)
@@ -482,28 +499,19 @@ func (s *Server) appDetailHandler(w http.ResponseWriter, r *http.Request, slug s
 		return
 	}
 
-	// Load current optional config values from app.yaml
-	currentValues := make(map[string]string)
-	if appCfg := s.stackMgr.LoadAppConfigByName(found.Name); appCfg != nil {
-		for k, v := range appCfg.Env {
-			currentValues[k] = v
-		}
-	}
-
 	// Determine effective subdomain (stored env > metadata fallback)
 	effectiveSubdomain := found.Meta.Subdomain
-	if sd, ok := currentValues["SUBDOMAIN"]; ok && sd != "" {
-		effectiveSubdomain = sd
+	if appCfg := s.stackMgr.LoadAppConfigByName(found.Name); appCfg != nil {
+		if sd, ok := appCfg.Env["SUBDOMAIN"]; ok && sd != "" {
+			effectiveSubdomain = sd
+		}
 	}
 
 	data := s.baseData("stacks", found.Meta.DisplayName)
 	data["Stack"] = found
 	data["Meta"] = found.Meta
 	data["AppInfo"] = found.Meta.AppInfo
-	data["OptionalConfig"] = found.Meta.OptionalConfig
-	data["CurrentValues"] = currentValues
 	data["HasAppInfo"] = found.Meta.HasAppInfo()
-	data["HasOptionalConfig"] = found.Meta.HasOptionalConfig()
 	data["EffectiveSubdomain"] = effectiveSubdomain
 
 	s.executeTemplate(w, r, "app_info", data)