perf: suppression des $queryRaw redondants et cache sur getTemplates

- getEvaluation/getTemplates: retire les $queryRaw qui dupliquaient les
  données déjà chargées via Prisma include (2 requêtes DB → 1)
- getTemplates: wrappé avec cache() React pour dédupliquer les appels
  dans le même render tree
- Supprime l'import Prisma devenu inutile

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

src/lib/server-data.ts

@@ -1,4 +1,4 @@
-import { Prisma } from "@prisma/client";
+import { cache } from "react";
 import { auth } from "@/auth";
 import { prisma } from "@/lib/db";
 import { canAccessEvaluation } from "@/lib/evaluation-access";
@@ -62,60 +62,20 @@ export async function getEvaluation(id: string) {
   );
   if (!hasAccess) return null;
 
-  const templateId = evaluation.templateId;
-  const dimsRaw = evaluation.template
-    ? ((await prisma.$queryRaw(
-        Prisma.sql`SELECT id, slug, title, rubric, "orderIndex", "suggestedQuestions" FROM "TemplateDimension" WHERE "templateId" = ${templateId} ORDER BY "orderIndex" ASC`
-      )) as { id: string; slug: string; title: string; rubric: string; orderIndex: number; suggestedQuestions: string | null }[])
-    : [];
-
-  const dimMap = new Map(dimsRaw.map((d) => [d.id, d]));
-
   return {
     ...evaluation,
     evaluationDate: evaluation.evaluationDate.toISOString(),
-    template: evaluation.template
-      ? {
-          ...evaluation.template,
-          dimensions: evaluation.template.dimensions.map((d) => {
-            const raw = dimMap.get(d.id);
-            return {
-              ...d,
-              suggestedQuestions: raw?.suggestedQuestions ?? d.suggestedQuestions,
-            };
-          }),
-        }
-      : null,
-    dimensionScores: evaluation.dimensionScores.map((ds) => ({
-      ...ds,
-      dimension: ds.dimension
-        ? {
-            ...ds.dimension,
-            suggestedQuestions: dimMap.get(ds.dimension.id)?.suggestedQuestions ?? ds.dimension.suggestedQuestions,
-          }
-        : null,
-    })),
   };
 }
 
-export async function getTemplates() {
+export const getTemplates = cache(async () => {
   const templates = await prisma.template.findMany({
     include: {
       dimensions: { orderBy: { orderIndex: "asc" } },
     },
   });
-  const dimsRaw = (await prisma.$queryRaw(
-    Prisma.sql`SELECT id, "templateId", slug, title, rubric, "orderIndex", "suggestedQuestions" FROM "TemplateDimension" ORDER BY "templateId", "orderIndex"`
-  )) as { id: string; templateId: string; slug: string; title: string; rubric: string; orderIndex: number; suggestedQuestions: string | null }[];
-  const dimMap = new Map(dimsRaw.map((d) => [d.id, d]));
-  return templates.map((t) => ({
-    ...t,
-    dimensions: t.dimensions.map((d) => ({
-      ...d,
-      suggestedQuestions: dimMap.get(d.id)?.suggestedQuestions ?? d.suggestedQuestions,
-    })),
-  }));
-}
+  return templates;
+});
 
 export async function getUsers() {
   const session = await auth();