Initial: desk + ncantu placeholder + per-project cursor configs

**Motivations:**
- Centraliser les fichiers Cursor (rules, skills, agents, commands, hooks) par user et par projet

**Root causes:**
- N/A

**Correctifs:**
- N/A

**Evolutions:**
- desk: rules, skills-cursor, agents, commands, hooks, argv/hooks/mcp.json
- ncantu: README placeholder
- 4NK_node, algo, builazoo, ia_local, lecoffre_ng, lecoffre_ng_pprod, lecoffre_ng_test: .cursor contents

**Pages affectées:**
- cursor/desk/, cursor/ncantu/, cursor/<project>/

desk/hooks/subagent-stop.sh

@@ -0,0 +1,33 @@
+#!/bin/bash
+# subagentStop: log completion, add followup for fix-lint when completed
+HOOKS_DIR="$(cd "$(dirname "$0")" && pwd)"
+# shellcheck source=lib.sh
+. "${HOOKS_DIR}/lib.sh"
+
+input=$(cat)
+subagent_type=$(echo "$input" | jq -r '.subagent_type // "?"')
+status=$(echo "$input" | jq -r '.status // "?"')
+duration=$(echo "$input" | jq -r '.duration // 0')
+result_preview=$(echo "$input" | jq -r '.result // ""' | head -c 200)
+log_event "subagentStop" "type=$subagent_type status=$status duration=${duration}ms"
+log_json_truncated "subagentStop_result" "$result_preview" 300
+
+result_lower=$(echo "$input" | jq -r '.result // ""' | tr '[:upper:]' '[:lower:]')
+
+# For fix-lint or lint-related subagents: suggest next step when completed
+if [ "$status" = "completed" ]; then
+  if echo "$result_lower" | grep -qE "lint|fix-lint|corriger.*erreur"; then
+    echo '{"followup_message":"Lint fix terminé. Vérifier : npm run lint dans lecoffre-back-main, lecoffre-front-main, lecoffre-ressources-dev."}'
+    exit 0
+  fi
+fi
+
+# For deploy subagent: on error, request bug correction
+if [ "$status" = "error" ]; then
+  if echo "$result_lower" | grep -qE "deploy|déploiement|build-and-deploy|deploy-app"; then
+    echo '{"followup_message":"Le déploiement a échoué. Analyser l'\''erreur, identifier la root cause, corriger le bug puis retenter le déploiement."}'
+    exit 0
+  fi
+fi
+echo '{}'
+exit 0