From aee5d74445a3659f728e8b31e624423522956b61 Mon Sep 17 00:00:00 2001
From: Julien Froidefond <julien.froidefond@cdbdx.biz>
Date: Wed, 27 Aug 2025 11:51:43 +0200
Subject: [PATCH] feat: importance in db and mentorcard home colors

---
 .../skills/[skillId]/importance/route.ts      | 37 ++++++++
 clients/domains/admin-client.ts               |  8 ++
 components/admin/skills/importance-badge.tsx  | 89 +++++++++++++++++++
 components/admin/skills/skills-list.tsx       | 11 +++
 .../admin/skills/skills-management-page.tsx   |  9 ++
 components/home/mentor-section.tsx            | 67 ++++++--------
 hooks/use-skills-management.ts                | 36 +++++++-
 lib/tech-colors.ts                            | 79 ++++++----------
 lib/types.ts                                  |  1 +
 scripts/init.sql                              |  2 +
 scripts/migrations/add_skill_importance.sql   | 72 +++++++++++++++
 scripts/populate_skill_importance.sql         | 39 ++++++++
 services/skills-service.ts                    | 32 ++++++-
 13 files changed, 388 insertions(+), 94 deletions(-)
 create mode 100644 app/api/admin/skills/[skillId]/importance/route.ts
 create mode 100644 components/admin/skills/importance-badge.tsx
 create mode 100644 scripts/migrations/add_skill_importance.sql
 create mode 100644 scripts/populate_skill_importance.sql

diff --git a/app/api/admin/skills/[skillId]/importance/route.ts b/app/api/admin/skills/[skillId]/importance/route.ts
new file mode 100644
index 0000000..cd6021f
--- /dev/null
+++ b/app/api/admin/skills/[skillId]/importance/route.ts
@@ -0,0 +1,37 @@
+import { NextRequest, NextResponse } from "next/server";
+import { SkillsService } from "@/services/skills-service";
+
+export async function PUT(
+  request: NextRequest,
+  { params }: { params: { skillId: string } }
+) {
+  try {
+    const { importance } = await request.json();
+    const { skillId } = params;
+
+    // Validation
+    if (
+      !importance ||
+      !["incontournable", "majeure", "standard"].includes(importance)
+    ) {
+      return NextResponse.json(
+        {
+          error:
+            "Importance invalide. Doit être 'incontournable', 'majeure' ou 'standard'",
+        },
+        { status: 400 }
+      );
+    }
+
+    // Mettre à jour l'importance
+    await SkillsService.updateSkillImportance(skillId, importance);
+
+    return NextResponse.json({ success: true });
+  } catch (error) {
+    console.error("Error updating skill importance:", error);
+    return NextResponse.json(
+      { error: "Erreur lors de la mise à jour de l'importance" },
+      { status: 500 }
+    );
+  }
+}
diff --git a/clients/domains/admin-client.ts b/clients/domains/admin-client.ts
index 1bfdc02..9ead13d 100644
--- a/clients/domains/admin-client.ts
+++ b/clients/domains/admin-client.ts
@@ -8,6 +8,7 @@ export interface Skill {
   categoryId: string;
   category: string;
   usageCount: number;
+  importance: string;
 }
 
 export interface Team {
@@ -59,6 +60,13 @@ export class AdminClient extends BaseHttpClient {
     await this.delete(`/admin/skills/categories/${categoryId}`);
   }
 
+  async updateSkillImportance(
+    skillId: string,
+    importance: "incontournable" | "majeure" | "standard"
+  ): Promise<void> {
+    await this.put(`/admin/skills/${skillId}/importance`, { importance });
+  }
+
   // Teams Management
   async getTeams(): Promise<Team[]> {
     return await this.get<Team[]>(`/admin/teams`);
diff --git a/components/admin/skills/importance-badge.tsx b/components/admin/skills/importance-badge.tsx
new file mode 100644
index 0000000..46ee81c
--- /dev/null
+++ b/components/admin/skills/importance-badge.tsx
@@ -0,0 +1,89 @@
+"use client";
+
+import { useState } from "react";
+import { ChevronDown, Check } from "lucide-react";
+import { Button } from "@/components/ui/button";
+import {
+  DropdownMenu,
+  DropdownMenuContent,
+  DropdownMenuItem,
+  DropdownMenuTrigger,
+} from "@/components/ui/dropdown-menu";
+import { getImportanceColors } from "@/lib/tech-colors";
+
+interface ImportanceBadgeProps {
+  importance: string;
+  onImportanceChange: (newImportance: string) => void;
+  disabled?: boolean;
+}
+
+export function ImportanceBadge({
+  importance,
+  onImportanceChange,
+  disabled = false,
+}: ImportanceBadgeProps) {
+  const [isOpen, setIsOpen] = useState(false);
+  const colors = getImportanceColors(importance);
+
+  const handleImportanceChange = (newImportance: string) => {
+    onImportanceChange(newImportance);
+    setIsOpen(false);
+  };
+
+  const IMPORTANCE_LABELS = {
+    incontournable: "Incontournable",
+    majeure: "Majeure",
+    standard: "Standard",
+  };
+
+  return (
+    <DropdownMenu open={isOpen} onOpenChange={setIsOpen}>
+      <DropdownMenuTrigger asChild>
+        <Button
+          variant="outline"
+          size="sm"
+          className={`h-6 px-2 text-xs font-medium border ${colors.bg} ${
+            colors.text
+          } ${colors.border} hover:opacity-80 transition-all ${
+            disabled ? "opacity-50 cursor-not-allowed" : "cursor-pointer"
+          }`}
+          disabled={disabled}
+        >
+          <span
+            className={`w-2 h-2 rounded-full ${colors.text.replace(
+              "text-",
+              "bg-"
+            )}`}
+          />
+          {IMPORTANCE_LABELS[importance as keyof typeof IMPORTANCE_LABELS] ||
+            importance}
+          {!disabled && <ChevronDown className="w-3 h-3 ml-1" />}
+        </Button>
+      </DropdownMenuTrigger>
+
+      {!disabled && (
+        <DropdownMenuContent align="end" className="w-40">
+          {Object.entries(IMPORTANCE_LABELS).map(([key, label]) => {
+            const itemColors = getImportanceColors(key);
+            return (
+              <DropdownMenuItem
+                key={key}
+                onClick={() => handleImportanceChange(key)}
+                className="flex items-center gap-2"
+              >
+                <span
+                  className={`w-2 h-2 rounded-full ${itemColors.text.replace(
+                    "text-",
+                    "bg-"
+                  )}`}
+                />
+                {label}
+                {importance === key && <Check className="w-3 h-3 ml-auto" />}
+              </DropdownMenuItem>
+            );
+          })}
+        </DropdownMenuContent>
+      )}
+    </DropdownMenu>
+  );
+}
diff --git a/components/admin/skills/skills-list.tsx b/components/admin/skills/skills-list.tsx
index 502650a..d1d4d3c 100644
--- a/components/admin/skills/skills-list.tsx
+++ b/components/admin/skills/skills-list.tsx
@@ -12,6 +12,7 @@ import {
 import { TreeCategoryHeader, TreeItemRow } from "@/components/admin";
 import { TechIcon } from "@/components/icons/tech-icon";
 import { Skill } from "@/clients/domains/admin-client";
+import { ImportanceBadge } from "./importance-badge";
 
 interface SkillsListProps {
   filteredSkillsByCategory: Record<string, Skill[]>;
@@ -20,6 +21,7 @@ interface SkillsListProps {
   onEditSkill: (skill: Skill) => void;
   onDeleteSkill: (skillId: string) => void;
   onDeleteCategory?: (categoryName: string) => void; // Nouvelle prop
+  onImportanceChange?: (skillId: string, newImportance: string) => void;
 }
 
 export function SkillsList({
@@ -29,6 +31,7 @@ export function SkillsList({
   onEditSkill,
   onDeleteSkill,
   onDeleteCategory,
+  onImportanceChange,
 }: SkillsListProps) {
   // Fonction pour obtenir l'icône de la catégorie
   const getCategoryIcon = (category: string) => {
@@ -108,6 +111,14 @@ export function SkillsList({
                     onDelete={() => onDeleteSkill(skill.id)}
                     canDelete={skill.usageCount === 0}
                     showSeparator={skillIndex > 0}
+                    additionalInfo={
+                      <ImportanceBadge
+                        importance={skill.importance || "standard"}
+                        onImportanceChange={(newImportance: string) =>
+                          onImportanceChange?.(skill.id, newImportance)
+                        }
+                      />
+                    }
                   />
                 ))}
               </div>
diff --git a/components/admin/skills/skills-management-page.tsx b/components/admin/skills/skills-management-page.tsx
index e40f41f..e9e5429 100644
--- a/components/admin/skills/skills-management-page.tsx
+++ b/components/admin/skills/skills-management-page.tsx
@@ -51,6 +51,7 @@ export function SkillsManagementPage({
     handleEditSkill,
     handleUpdateSkill,
     handleDeleteSkill,
+    handleImportanceChange,
   } = useSkillsManagement(skillCategories, initialSkills);
 
   // Utilisation du hook factorisé pour la vue arborescente
@@ -93,6 +94,13 @@ export function SkillsManagementPage({
     openEditDialog();
   };
 
+  const handleImportanceChangeWrapper = async (
+    skillId: string,
+    newImportance: string
+  ) => {
+    await handleImportanceChange(skillId, newImportance);
+  };
+
   const headerActions = (
     <Button onClick={handleOpenCreateDialog}>
       <Plus className="w-4 h-4 mr-2" />
@@ -137,6 +145,7 @@ export function SkillsManagementPage({
           onEditSkill={handleOpenEditDialog}
           onDeleteSkill={handleDeleteSkill}
           onDeleteCategory={handleDeleteCategory}
+          onImportanceChange={handleImportanceChangeWrapper}
         />
       </TreeViewPage>
 
diff --git a/components/home/mentor-section.tsx b/components/home/mentor-section.tsx
index 316ec8a..2368cf0 100644
--- a/components/home/mentor-section.tsx
+++ b/components/home/mentor-section.tsx
@@ -1,5 +1,5 @@
 import { TechIcon } from "@/components/icons/tech-icon";
-import { getTechColors } from "@/lib/tech-colors";
+import { getImportanceColors } from "@/lib/tech-colors";
 import { UserEvaluation, SkillCategory } from "@/lib/types";
 
 interface MentorSectionProps {
@@ -13,26 +13,6 @@ export function MentorSection({
   userEvaluation,
   skillCategories,
 }: MentorSectionProps) {
-  // Récupérer les compétences où l'utilisateur peut être mentor
-  const mentorSkills = userEvaluation.evaluations.flatMap((cat) => {
-    const skillCategory = skillCategories.find(
-      (sc) => sc.category === cat.category
-    );
-    return cat.skills
-      .filter((skill) => skill.canMentor)
-      .map((skill) => {
-        const skillInfo = skillCategory?.skills.find(
-          (s) => s.id === skill.skillId
-        );
-        return {
-          id: skill.skillId,
-          name: skillInfo?.name || skill.skillId,
-          icon: skillInfo?.icon || "fas-code",
-          level: skill.level,
-        };
-      });
-  });
-
   // Récupérer les compétences maîtrisées (expert uniquement)
   const masteredSkills = userEvaluation.evaluations.flatMap((cat) => {
     const skillCategory = skillCategories.find(
@@ -49,6 +29,28 @@ export function MentorSection({
           name: skillInfo?.name || skill.skillId,
           icon: skillInfo?.icon || "fas-code",
           level: skill.level,
+          importance: skillInfo?.importance || "standard", // Récupérer l'importance depuis la base
+        };
+      });
+  });
+
+  // Récupérer les compétences où l'utilisateur peut être mentor
+  const mentorSkills = userEvaluation.evaluations.flatMap((cat) => {
+    const skillCategory = skillCategories.find(
+      (sc) => sc.category === cat.category
+    );
+    return cat.skills
+      .filter((skill) => skill.canMentor)
+      .map((skill) => {
+        const skillInfo = skillCategory?.skills.find(
+          (s) => s.id === skill.skillId
+        );
+        return {
+          id: skill.skillId,
+          name: skillInfo?.name || skill.skillId,
+          icon: skillInfo?.icon || "fas-code",
+          level: skill.level,
+          importance: skillInfo?.importance || "standard", // Récupérer l'importance depuis la base
         };
       });
   });
@@ -69,26 +71,11 @@ export function MentorSection({
           name: skillInfo?.name || skill.skillId,
           icon: skillInfo?.icon || "fas-code",
           level: skill.level,
+          importance: skillInfo?.importance || "standard", // Récupérer l'importance depuis la base
         };
       });
   });
 
-  // Fonction pour déterminer la couleur d'une technologie
-  const getTechColor = (techName: string) => {
-    const lowerName = techName.toLowerCase();
-    if (lowerName.includes("react") || lowerName.includes("next"))
-      return "react";
-    if (lowerName.includes("typescript") || lowerName.includes("javascript"))
-      return "typescript";
-    if (lowerName.includes("node")) return "nodejs";
-    if (lowerName.includes("python")) return "python";
-    if (lowerName.includes("docker")) return "docker";
-    if (lowerName.includes("aws")) return "aws";
-    if (lowerName.includes("kubernetes")) return "kubernetes";
-    if (lowerName.includes("git")) return "default";
-    return "default";
-  };
-
   return (
     <div
       className={`bg-white/5 border border-white/10 rounded-xl p-6 backdrop-blur-sm ${className}`}
@@ -103,7 +90,7 @@ export function MentorSection({
           <div className="flex flex-wrap gap-3">
             {masteredSkills.length > 0 ? (
               masteredSkills.map((tech) => {
-                const colors = getTechColors(getTechColor(tech.name));
+                const colors = getImportanceColors(tech.importance);
                 return (
                   <div
                     key={tech.id}
@@ -138,7 +125,7 @@ export function MentorSection({
           <div className="flex flex-wrap gap-3">
             {mentorSkills.length > 0 ? (
               mentorSkills.map((tech) => {
-                const colors = getTechColors(getTechColor(tech.name));
+                const colors = getImportanceColors(tech.importance);
                 return (
                   <div
                     key={tech.id}
@@ -172,7 +159,7 @@ export function MentorSection({
           <div className="flex flex-wrap gap-3">
             {learningSkills.length > 0 ? (
               learningSkills.map((tech) => {
-                const colors = getTechColors(getTechColor(tech.name));
+                const colors = getImportanceColors(tech.importance);
                 return (
                   <div
                     key={tech.id}
diff --git a/hooks/use-skills-management.ts b/hooks/use-skills-management.ts
index b6f433a..efde3e5 100644
--- a/hooks/use-skills-management.ts
+++ b/hooks/use-skills-management.ts
@@ -96,10 +96,12 @@ export function useSkillsManagement(
         ...skillFormData,
         category: category.category,
         categoryId: category.id,
+        importance: "standard", // Valeur par défaut
       };
 
       const newSkill = await adminClient.createSkill(skillData);
-      setSkills([...skills, newSkill]);
+
+      setSkills((prevSkills) => [...prevSkills, newSkill]);
       resetForm();
 
       toast({
@@ -152,6 +154,7 @@ export function useSkillsManagement(
         ...skillFormData,
         category: category.category,
         usageCount: editingSkill.usageCount,
+        importance: editingSkill.importance || "standard", // Garder l'importance existante
       };
 
       const updatedSkill = await adminClient.updateSkill(skillData);
@@ -207,6 +210,36 @@ export function useSkillsManagement(
     }
   };
 
+  const handleImportanceChange = async (
+    skillId: string,
+    newImportance: string
+  ) => {
+    try {
+      await adminClient.updateSkillImportance(skillId, newImportance as any);
+
+      // Mettre à jour l'état local
+      setSkills((prevSkills) =>
+        prevSkills.map((skill) =>
+          skill.id === skillId ? { ...skill, importance: newImportance } : skill
+        )
+      );
+
+      toast({
+        title: "Succès",
+        description: "Importance mise à jour avec succès",
+      });
+      return true;
+    } catch (error: any) {
+      toast({
+        title: "Erreur",
+        description:
+          error.message || "Erreur lors de la mise à jour de l'importance",
+        variant: "destructive",
+      });
+      return false;
+    }
+  };
+
   return {
     skills,
     isLoading,
@@ -219,5 +252,6 @@ export function useSkillsManagement(
     handleEditSkill,
     handleUpdateSkill,
     handleDeleteSkill,
+    handleImportanceChange,
   };
 }
diff --git a/lib/tech-colors.ts b/lib/tech-colors.ts
index 96da10d..1f694cf 100644
--- a/lib/tech-colors.ts
+++ b/lib/tech-colors.ts
@@ -1,61 +1,36 @@
-// Couleurs officielle des technologies
-export const TECH_COLORS: Record<
+// Couleurs basées sur l'importance des skills
+export const IMPORTANCE_COLORS: Record<
   string,
   { bg: string; text: string; border: string }
 > = {
-  react: {
-    bg: "bg-blue-500/10",
-    text: "text-blue-600 dark:text-blue-400",
-    border: "border-blue-500/20",
+  incontournable: {
+    bg: "bg-red-500/20",
+    text: "text-red-400 dark:text-red-300",
+    border: "border-red-500/30",
   },
-  vue: {
-    bg: "bg-green-500/10",
-    text: "text-green-600 dark:text-green-400",
-    border: "border-green-500/20",
+  majeure: {
+    bg: "bg-blue-500/20",
+    text: "text-blue-400 dark:text-blue-300",
+    border: "border-blue-500/30",
   },
-  typescript: {
-    bg: "bg-blue-500/10",
-    text: "text-blue-600 dark:text-blue-400",
-    border: "border-blue-500/20",
-  },
-  nextjs: {
-    bg: "bg-gray-500/10",
-    text: "text-gray-900 dark:text-gray-100",
-    border: "border-gray-500/20",
-  },
-  nodejs: {
-    bg: "bg-green-500/10",
-    text: "text-green-600 dark:text-green-400",
-    border: "border-green-500/20",
-  },
-  python: {
-    bg: "bg-yellow-500/10",
-    text: "text-yellow-600 dark:text-yellow-400",
-    border: "border-yellow-500/20",
-  },
-  docker: {
-    bg: "bg-blue-500/10",
-    text: "text-blue-600 dark:text-blue-400",
-    border: "border-blue-500/20",
-  },
-  kubernetes: {
-    bg: "bg-indigo-500/10",
-    text: "text-indigo-600 dark:text-indigo-400",
-    border: "border-indigo-500/20",
-  },
-  aws: {
-    bg: "bg-orange-500/10",
-    text: "text-orange-600 dark:text-orange-400",
-    border: "border-orange-500/20",
-  },
-  // Couleur par défaut
-  default: {
-    bg: "bg-muted",
-    text: "text-foreground",
-    border: "border-muted",
+  standard: {
+    bg: "bg-slate-500/20",
+    text: "text-slate-400 dark:text-slate-300",
+    border: "border-slate-500/30",
   },
 };
 
-export function getTechColors(techId: string) {
-  return TECH_COLORS[techId] || TECH_COLORS.default;
+// Fonction principale pour récupérer les couleurs basées sur l'importance
+export function getImportanceColors(importance: string) {
+  return IMPORTANCE_COLORS[importance] || IMPORTANCE_COLORS.standard;
+}
+
+// Fonction legacy pour la compatibilité (utilise seulement l'importance)
+export function getTechColors(importance: string) {
+  return getImportanceColors(importance);
+}
+
+// Fonction pour obtenir les couleurs d'importance uniquement
+export function getSmartColors(importance: string) {
+  return getImportanceColors(importance);
 }
diff --git a/lib/types.ts b/lib/types.ts
index ddd183b..9b6267b 100644
--- a/lib/types.ts
+++ b/lib/types.ts
@@ -25,6 +25,7 @@ export interface Skill {
   description: string;
   icon?: string;
   links: string[];
+  importance?: string;
 }
 
 export interface SkillCategory {
diff --git a/scripts/init.sql b/scripts/init.sql
index 0b2a39e..333f3d7 100644
--- a/scripts/init.sql
+++ b/scripts/init.sql
@@ -29,6 +29,7 @@ CREATE TABLE skills (
     description TEXT,
     icon VARCHAR(100),
     category_id VARCHAR(50) REFERENCES skill_categories(id),
+    importance VARCHAR(20) DEFAULT 'standard' CHECK (importance IN ('incontournable', 'majeure', 'standard')),
     created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
     updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
 );
@@ -88,6 +89,7 @@ CREATE TABLE skill_evaluations (
 -- Indexes for performance
 CREATE INDEX idx_teams_direction ON teams(direction);
 CREATE INDEX idx_skills_category_id ON skills(category_id);
+CREATE INDEX idx_skills_importance ON skills(importance);
 CREATE INDEX idx_skill_links_skill_id ON skill_links(skill_id);
 CREATE INDEX idx_users_team_id ON users(team_id);
 CREATE INDEX idx_users_email ON users(email);
diff --git a/scripts/migrations/add_skill_importance.sql b/scripts/migrations/add_skill_importance.sql
new file mode 100644
index 0000000..6c6fc82
--- /dev/null
+++ b/scripts/migrations/add_skill_importance.sql
@@ -0,0 +1,72 @@
+-- Migration pour ajouter la colonne importance aux skills
+-- Compatible avec les bases existantes
+
+-- Étape 1: Vérifier si la colonne existe déjà
+DO $$
+BEGIN
+    IF NOT EXISTS (
+        SELECT 1 FROM information_schema.columns 
+        WHERE table_name = 'skills' AND column_name = 'importance'
+    ) THEN
+        -- Ajouter la colonne importance
+        ALTER TABLE skills 
+        ADD COLUMN importance VARCHAR(20) DEFAULT 'standard';
+        
+        -- Ajouter la contrainte CHECK
+        ALTER TABLE skills 
+        ADD CONSTRAINT skills_importance_check 
+        CHECK (importance IN ('incontournable', 'majeure', 'standard'));
+        
+        RAISE NOTICE 'Colonne importance ajoutée avec succès';
+    ELSE
+        RAISE NOTICE 'Colonne importance existe déjà';
+    END IF;
+END $$;
+
+-- Étape 2: Mettre à jour les technologies incontournables
+UPDATE skills 
+SET importance = 'incontournable' 
+WHERE name IN (
+  'React', 'TypeScript', 'JavaScript', 'Git', 'HTML', 'CSS',
+  'Node.js', 'Python', 'SQL', 'HTTP', 'REST API', 'JSON',
+  'GitHub', 'npm', 'yarn', 'package.json'
+);
+
+-- Étape 3: Mettre à jour les technologies majeures
+UPDATE skills 
+SET importance = 'majeure' 
+WHERE name IN (
+  'Next.js', 'Vue.js', 'Angular', 'Docker', 'Kubernetes',
+  'AWS', 'Azure', 'Google Cloud', 'MongoDB', 'PostgreSQL',
+  'Redis', 'GraphQL', 'Webpack', 'Vite', 'Jest', 'Cypress',
+  'Tailwind CSS', 'Sass', 'Less', 'Redux', 'Zustand',
+  'Prisma', 'TypeORM', 'Sequelize', 'Express.js', 'Fastify'
+);
+
+-- Étape 4: Créer l'index s'il n'existe pas
+DO $$
+BEGIN
+    IF NOT EXISTS (
+        SELECT 1 FROM pg_indexes 
+        WHERE tablename = 'skills' AND indexname = 'idx_skills_importance'
+    ) THEN
+        CREATE INDEX idx_skills_importance ON skills(importance);
+        RAISE NOTICE 'Index idx_skills_importance créé avec succès';
+    ELSE
+        RAISE NOTICE 'Index idx_skills_importance existe déjà';
+    END IF;
+END $$;
+
+-- Étape 5: Vérification finale
+SELECT 
+  importance,
+  COUNT(*) as count,
+  STRING_AGG(name, ', ' ORDER BY name) as examples
+FROM skills 
+GROUP BY importance 
+ORDER BY 
+  CASE importance 
+    WHEN 'incontournable' THEN 1 
+    WHEN 'majeure' THEN 2 
+    WHEN 'standard' THEN 3 
+  END;
diff --git a/scripts/populate_skill_importance.sql b/scripts/populate_skill_importance.sql
new file mode 100644
index 0000000..b347c9b
--- /dev/null
+++ b/scripts/populate_skill_importance.sql
@@ -0,0 +1,39 @@
+-- Script pour peupler la colonne importance des skills
+-- À exécuter après avoir ajouté la colonne importance
+
+-- Technologies incontournables (fondamentales)
+UPDATE skills 
+SET importance = 'incontournable' 
+WHERE name IN (
+  'React', 'TypeScript', 'JavaScript', 'Git', 'HTML', 'CSS',
+  'Node.js', 'Python', 'SQL', 'HTTP', 'REST API', 'JSON',
+  'GitHub', 'npm', 'yarn', 'package.json'
+);
+
+-- Technologies majeures (importantes mais pas fondamentales)
+UPDATE skills 
+SET importance = 'majeure' 
+WHERE name IN (
+  'Next.js', 'Vue.js', 'Angular', 'Docker', 'Kubernetes',
+  'AWS', 'Azure', 'Google Cloud', 'MongoDB', 'PostgreSQL',
+  'Redis', 'GraphQL', 'Webpack', 'Vite', 'Jest', 'Cypress',
+  'Tailwind CSS', 'Sass', 'Less', 'Redux', 'Zustand',
+  'Prisma', 'TypeORM', 'Sequelize', 'Express.js', 'Fastify'
+);
+
+-- Le reste reste en 'standard' (valeur par défaut)
+-- Ces technologies sont importantes dans leur domaine mais pas critiques globalement
+
+-- Vérification des mises à jour
+SELECT 
+  importance,
+  COUNT(*) as count,
+  STRING_AGG(name, ', ' ORDER BY name) as examples
+FROM skills 
+GROUP BY importance 
+ORDER BY 
+  CASE importance 
+    WHEN 'incontournable' THEN 1 
+    WHEN 'majeure' THEN 2 
+    WHEN 'standard' THEN 3 
+  END;
diff --git a/services/skills-service.ts b/services/skills-service.ts
index 9e9c3d5..86e8a17 100644
--- a/services/skills-service.ts
+++ b/services/skills-service.ts
@@ -20,6 +20,7 @@ export class SkillsService {
               'name', s.name,
               'description', s.description,
               'icon', s.icon,
+              'importance', s.importance,
               'links', COALESCE(
                 (SELECT json_agg(sl.url ORDER BY sl.id) 
                  FROM skill_links sl 
@@ -249,6 +250,7 @@ export class SkillsService {
       categoryId: string;
       category: string;
       usageCount: number;
+      importance: string;
     }>
   > {
     const pool = getPool();
@@ -260,11 +262,12 @@ export class SkillsService {
         s.icon,
         sc.id as category_id,
         sc.name as category_name,
+        s.importance,
         COUNT(DISTINCT se.id) as usage_count
       FROM skills s
       LEFT JOIN skill_categories sc ON s.category_id = sc.id
       LEFT JOIN skill_evaluations se ON s.id = se.skill_id AND se.is_selected = true
-      GROUP BY s.id, s.name, s.description, s.icon, sc.id, sc.name
+      GROUP BY s.id, s.name, s.description, s.icon, sc.id, sc.name, s.importance
       ORDER BY s.name
     `;
 
@@ -279,6 +282,7 @@ export class SkillsService {
         categoryId: row.category_id,
         category: row.category_name,
         usageCount: parseInt(row.usage_count) || 0,
+        importance: row.importance || "standard",
       }));
     } catch (error) {
       console.error("Error fetching skills with usage:", error);
@@ -286,6 +290,32 @@ export class SkillsService {
     }
   }
 
+  /**
+   * Update skill importance
+   */
+  static async updateSkillImportance(
+    skillId: string,
+    importance: "incontournable" | "majeure" | "standard"
+  ): Promise<void> {
+    const pool = getPool();
+    const query = `
+      UPDATE skills 
+      SET importance = $1, updated_at = CURRENT_TIMESTAMP
+      WHERE id = $2
+    `;
+
+    try {
+      const result = await pool.query(query, [importance, skillId]);
+
+      if (result.rowCount === 0) {
+        throw new Error("Skill not found");
+      }
+    } catch (error) {
+      console.error("Error updating skill importance:", error);
+      throw new Error("Failed to update skill importance");
+    }
+  }
+
   /**
    * Create a new skill for admin
    */