feat: install.sh — description, tags, preview et intro dans le menu fzf

- Ligne : description tronquée + tags #tag visibles
- Preview (45% droite) : contenu complet du skill au survol
- Intro : explication des touches avant le menu
- REPO_DIR exporté dans fns_file pour le script preview

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

install.sh

@@ -184,6 +184,16 @@ get_frontmatter_field() {
     grep "^${field}:" "$file" 2>/dev/null | head -1 | awk '{print $2}' | tr -d "\"'"
 }
 
+get_frontmatter_desc() {
+    grep "^description:" "$1" 2>/dev/null | head -1 \
+        | sed 's/^description:[[:space:]]*//' | tr -d "\"'" | tr '|' ',' | cut -c1-55
+}
+
+get_frontmatter_tags() {
+    grep "^tags:" "$1" 2>/dev/null | head -1 \
+        | sed 's/^tags:[[:space:]]*//' | tr -d '[] ' | tr ',' '#' | sed 's/^/#/'
+}
+
 # Retourne 0 (succès) si ver2 est plus récente que ver1
 version_is_newer() {
     local ver1="$1" ver2="$2"
@@ -255,7 +265,9 @@ scan_skills() {
             etat="ok"
         fi
 
-        SKILLS_LIST+=("${cat}|${skill}|${agent}|${etat}|${repo_ver}|${local_ver}")
+        local desc; desc=$(get_frontmatter_desc "$skill_file")
+        local tags; tags=$(get_frontmatter_tags "$skill_file")
+        SKILLS_LIST+=("${cat}|${skill}|${agent}|${etat}|${repo_ver}|${local_ver}|${desc}|${tags}")
         debug "Skill trouvé : $cat/$skill [$agent] état=$etat"
     done < <(find "${REPO_DIR}/skills" -name "*.md" | sort)
 
@@ -302,8 +314,8 @@ state_cycle() {
 # ── Formatage ligne menu ──────────────────────────────────────────
 format_skill_line() {
     local entry="$1"
-    local cat skill agent etat repo_ver local_ver
-    IFS='|' read -r cat skill agent etat repo_ver local_ver <<< "$entry"
+    local cat skill agent etat repo_ver local_ver desc tags
+    IFS='|' read -r cat skill agent etat repo_ver local_ver desc tags <<< "$entry"
     local key; key=$(make_key "$entry")
     local action; action=$(state_get "$key")
 
@@ -328,18 +340,23 @@ format_skill_line() {
     [[ "$etat" == "upd" ]] && ver_info=" (${local_ver}→${repo_ver})"
     [[ "$etat" == "new" ]] && ver_info=" (v${repo_ver})"
 
-    printf "${color_etat}%s${RESET}  %-35s ${GRV_GRAY}[%s]${RESET}  ${color_action}%s${RESET}%s\n" \
-        "$ico_etat" "${cat}/${skill}" "$agent" "$ico_action" "$ver_info"
+    printf "${color_etat}%s${RESET}  %-28s ${GRV_GRAY}[%s]${RESET}  ${color_action}%s${RESET}%s  ${GRV_FG}%s${RESET}  ${GRV_PURPLE}%s${RESET}\n" \
+        "$ico_etat" "${cat}/${skill}" "$agent" "$ico_action" "$ver_info" "$desc" "$tags"
 }
 
 # ── Menu fzf principal ────────────────────────────────────────────
 run_menu() {
     header "Sélection des skills"
+
+    echo -e "  ${GRV_FG}Navigation :${RESET}  ${GRV_YELLOW}↑↓${RESET} se déplacer   ${GRV_GREEN}TAB${RESET} changer l'action   ${GRV_GREEN}ENTER${RESET} confirmer   ${GRV_RED}ESC${RESET} annuler"
+    echo -e "  ${GRV_GRAY}Taper du texte filtre les skills par nom ou description.${RESET}\n"
+
     state_init
 
     local cycle_script="/tmp/skills_cycle_$$.sh"
     local list_script="/tmp/skills_list_$$.sh"
     local fns_file="/tmp/skills_fns_$$.sh"
+    local preview_script="/tmp/skills_preview_$$.sh"
 
     # Script de cycle d'état (appelé par fzf via execute-silent)
     cat > "$cycle_script" << 'CYCLE_EOF'
@@ -373,12 +390,27 @@ CYCLE_EOF
     # Exporter fonctions et variables dans un fichier source
     {
         declare -f format_skill_line state_get make_key
-        declare -p GRV_GREEN GRV_YELLOW GRV_AQUA GRV_GRAY GRV_BLUE RESET \
+        declare -p GRV_GREEN GRV_YELLOW GRV_AQUA GRV_GRAY GRV_BLUE GRV_FG GRV_PURPLE RESET \
                    ICO_OK ICO_UPD ICO_NEW ICO_NA ICO_LOCAL ICO_GLOBAL ICO_SKIP
         echo "STATE_FILE='$STATE_FILE'"
+        echo "REPO_DIR='$REPO_DIR'"
         echo "SKILLS_LIST=($(printf '"%s" ' "${SKILLS_LIST[@]}"))"
     } > "$fns_file"
 
+    # Script de prévisualisation du skill (appelé par fzf --preview)
+    cat > "$preview_script" << 'PREVIEW_EOF'
+#!/usr/bin/env bash
+source "$1"
+idx=$(( $2 - 1 ))
+entry="${SKILLS_LIST[$idx]:-}"
+[[ -z "$entry" ]] && exit 0
+IFS='|' read -r cat skill agent _ <<< "$entry"
+skill_file="${REPO_DIR}/skills/${cat}/${skill}/${agent}.md"
+[[ -f "$skill_file" ]] && cat "$skill_file" || echo "Fichier introuvable : $skill_file"
+PREVIEW_EOF
+    sed -i "s|\"\$1\"|\"$fns_file\"|" "$preview_script"
+    chmod +x "$preview_script"
+
     # Script générateur de liste pour fzf --reload
     cat > "$list_script" << LIST_EOF
 #!/usr/bin/env bash
@@ -396,10 +428,12 @@ LIST_EOF
         --ansi \
         --prompt="Skills > " \
         --header="$legend" \
+        --preview="bash $preview_script {n}" \
+        --preview-window="right:45%:wrap" \
         --bind="tab:execute-silent($cycle_script '$STATE_FILE' '$fns_file' {n})+reload($list_script)" \
         < <(bash "$list_script") > /dev/null || true
 
-    rm -f "$cycle_script" "$list_script" "$fns_file"
+    rm -f "$cycle_script" "$list_script" "$fns_file" "$preview_script"
 }
 
 # ── Installation ──────────────────────────────────────────────────