chore: add dev.sh one-command startup script

Author: Zajfan

dev.sh

@@ -0,0 +1,57 @@
+#!/usr/bin/env bash
+# dev.sh — Start the full Nexus dev stack in one command.
+# Usage: ./dev.sh
+set -e
+
+PROJECT_ROOT="$(cd "$(dirname "$0")" && pwd)"
+
+echo "==> Starting Nexus dev stack..."
+
+# 1) Ensure containers are running (PostgreSQL, Redis, Meilisearch, MinIO)
+echo "--> Starting containers..."
+cd "$PROJECT_ROOT"
+podman compose up -d 2>&1 | tail -6
+
+# Wait for PostgreSQL to accept connections
+echo "--> Waiting for PostgreSQL..."
+for i in $(seq 1 30); do
+  if podman exec nexus-postgres pg_isready -U nexus >/dev/null 2>&1; then
+    echo "    PostgreSQL ready"
+    break
+  fi
+  sleep 2
+  if [ "$i" -eq 30 ]; then
+    echo "    WARNING: PostgreSQL didn't respond in 60s, continuing anyway..."
+  fi
+done
+
+# 2) Start the API server (if not already running)
+if ! curl -sf http://localhost:8080/api/v1/health >/dev/null 2>&1; then
+  echo "--> Starting Nexus API server..."
+  "$PROJECT_ROOT/target/debug/nexus" serve > /tmp/nexus-api.log 2>&1 &
+  API_PID=$!
+  echo "    API PID: $API_PID"
+
+  # Wait for it to be healthy
+  for i in $(seq 1 20); do
+    if curl -sf http://localhost:8080/api/v1/health >/dev/null 2>&1; then
+      echo "    API ready ✓"
+      break
+    fi
+    sleep 2
+    if [ "$i" -eq 20 ]; then
+      echo "    ERROR: API server failed to start. Check /tmp/nexus-api.log"
+      exit 1
+    fi
+  done
+else
+  echo "--> API server already running ✓"
+fi
+
+# 3) Launch Tauri dev (Vite + hot-reload desktop) in the foreground so logs are visible
+echo "--> Starting nexus-desktop (tauri dev)..."
+echo "    Logs: /tmp/nexus-tauri-dev.log"
+echo "    Press Ctrl+C to stop everything."
+echo ""
+cd "$PROJECT_ROOT/crates/nexus-desktop"
+exec npm run tauri dev