v1.0 - Version stable: multi-PC, détection UI-DETR-1, 3 modes exécution

- Frontend v4 accessible sur réseau local (192.168.1.40)
- Ports ouverts: 3002 (frontend), 5001 (backend), 5004 (dashboard)
- Ollama GPU fonctionnel
- Self-healing interactif
- Dashboard confiance

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

server/healthcheck.sh

@@ -0,0 +1,58 @@
+#!/usr/bin/env bash
+# server/healthcheck.sh
+#
+# Fiche #21 (prod): healthcheck multi-composants.
+# - API upload (FastAPI)
+# - Dashboard (Flask)
+# - Worker externe (heartbeat file)
+# - Disque (minimum free)
+
+set -euo pipefail
+
+API_HOST="${RPA_API_HOST:-127.0.0.1}"
+API_PORT="${RPA_API_PORT:-8000}"
+
+DASH_HOST="${RPA_DASHBOARD_HOST:-127.0.0.1}"
+DASH_PORT="${RPA_DASHBOARD_PORT:-5001}"
+
+CHECK_DASHBOARD="${RPA_CHECK_DASHBOARD:-1}"
+
+HEARTBEAT_PATH="${RPA_WORKER_HEARTBEAT_PATH:-data/runtime/health/worker_heartbeat.json}"
+HEARTBEAT_MAX_AGE_S="${RPA_WORKER_HEARTBEAT_MAX_AGE_S:-60}"
+
+MIN_FREE_MB="${RPA_MIN_FREE_MB:-1024}"
+
+fail() {
+  echo "❌ $1" >&2
+  exit 2
+}
+
+# --- API ---
+curl -fsS --max-time 2 "http://${API_HOST}:${API_PORT}/healthz" >/dev/null \
+  || fail "API healthz unreachable (http://${API_HOST}:${API_PORT}/healthz)"
+
+# --- Dashboard (optionnel) ---
+if [[ "${CHECK_DASHBOARD}" == "1" ]]; then
+  curl -fsS --max-time 2 "http://${DASH_HOST}:${DASH_PORT}/healthz" >/dev/null \
+    || fail "Dashboard healthz unreachable (http://${DASH_HOST}:${DASH_PORT}/healthz)"
+fi
+
+# --- Worker heartbeat (optionnel) ---
+if [[ -f "${HEARTBEAT_PATH}" ]]; then
+  # age in seconds
+  now=$(date +%s)
+  mtime=$(stat -c %Y "${HEARTBEAT_PATH}" 2>/dev/null || echo 0)
+  age=$((now - mtime))
+  if (( age > HEARTBEAT_MAX_AGE_S )); then
+    fail "Worker heartbeat too old: ${age}s (> ${HEARTBEAT_MAX_AGE_S}s)"
+  fi
+fi
+
+# --- Disk space ---
+free_kb=$(df -Pk . | awk 'NR==2 {print $4}')
+free_mb=$((free_kb / 1024))
+if (( free_mb < MIN_FREE_MB )); then
+  fail "Low disk space: ${free_mb}MB free (< ${MIN_FREE_MB}MB)"
+fi
+
+echo "✅ healthcheck ok"