Initial commit: EifelDC - Discord-like Matrix chat platform

Includes server (Rust/Axum API proxy with voice management),
Tauri desktop client with Svelte UI, bot-sdk, Docker infra
(Synapse, PostgreSQL, Coturn, Nginx), and CI/CD pipeline.

infra/scripts/healthcheck.sh

@@ -0,0 +1,76 @@
+#!/bin/bash
+set -euo pipefail
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+INFRA_DIR="$(dirname "$SCRIPT_DIR")"
+
+echo "=== EifelDC Health Check ==="
+echo ""
+
+OK=true
+
+check_service() {
+    local name=$1
+    local url=$2
+    local expected_status=${3:-200}
+
+    if curl -sf -o /dev/null -w "%{http_code}" "${url}" 2>/dev/null | grep -q "${expected_status}"; then
+        echo "  [OK] ${name}"
+    else
+        echo "  [FAIL] ${name} - ${url}"
+        OK=false
+    fi
+}
+
+if command -v docker &>/dev/null && [ -f "${INFRA_DIR}/docker-compose.yml" ]; then
+    echo "[Docker Mode]"
+    echo ""
+
+    echo "Container Status:"
+    cd "${INFRA_DIR}"
+    docker compose ps
+    echo ""
+
+    echo "Service Health:"
+    check_service "EifelDC Server" "http://localhost:3000/api/current-user" "401"
+    check_service "Synapse" "http://localhost:8008/_matrix/client/versions"
+    check_service "PostgreSQL" "localhost:5432"
+
+    echo ""
+    echo "Container Logs (last 5 lines):"
+    for svc in eifeldc synapse postgres nginx; do
+        if docker compose ps --services --filter "status=running" | grep -q "${svc}"; then
+            echo "--- ${svc} ---"
+            docker compose logs --tail=5 "${svc}" 2>/dev/null || true
+        fi
+    done
+else
+    echo "[Native Mode]"
+    echo ""
+
+    echo "Service Health:"
+    check_service "EifelDC Server" "http://localhost:3000/api/current-user" "401"
+    check_service "Synapse" "http://localhost:8008/_matrix/client/versions"
+    check_service "Nginx" "http://localhost:80/"
+
+    echo ""
+    echo "Systemd Status:"
+    for svc in eifeldc-synapse eifeldc-server coturn nginx; do
+        status=$(systemctl is-active "${svc}" 2>/dev/null || echo "unknown")
+        if [ "$status" = "active" ]; then
+            echo "  [OK] ${svc}: ${status}"
+        else
+            echo "  [FAIL] ${svc}: ${status}"
+            OK=false
+        fi
+    done
+fi
+
+echo ""
+if [ "$OK" = true ]; then
+    echo "=== All services healthy! ==="
+    exit 0
+else
+    echo "=== Some services are not healthy! ==="
+    exit 1
+fi