fix: fix css module on ssr environment

Author: hi-ogawa

packages/plugin-rsc/src/plugin.ts

@@ -1973,7 +1973,8 @@ function vitePluginRscCss(
       },
     },
     {
-      // self accept css module imported in rsc environment to avoid full reload
+      // force self accepting "?direct" css (injected via SSR `<link />`) to avoid full reload.
+      // this should only apply to css modules
       // https://github.com/vitejs/vite/blob/84079a84ad94de4c1ef4f1bdb2ab448ff2c01196/packages/vite/src/node/plugins/css.ts#L1096
       name: 'rsc:rsc-css-self-accept',
       apply: 'serve',
@@ -1986,20 +1987,9 @@ function vitePluginRscCss(
             isCSSRequest(id)
           ) {
             const mod = this.environment.moduleGraph.getModuleById(id)
-            const { filename, query } = parseIdQuery(id)
-            if (mod && !mod.isSelfAccepting && 'direct' in query) {
-              const serverMods =
-                manager.server.environments.rsc!.moduleGraph.getModulesByFile(
-                  filename,
-                )
-              // filter out module nodes created by tailwind dependenncy.
-              // for Vite 7.1, we can use `m.type !== "asset"`.
-              const isServerCss = [...(serverMods ?? [])].some((m) =>
-                [...m.importers].some((m) => m.id && !isCSSRequest(m.id)),
-              )
-              if (isServerCss) {
-                mod.isSelfAccepting = true
-              }
+            const parsed = parseIdQuery(id)
+            if (mod && !mod.isSelfAccepting && 'direct' in parsed.query) {
+              mod.isSelfAccepting = true
             }
           }
         },