feat: add test runner scripts for integration and E2E tests

- scripts/run-integration-tests.sh: spins up Postgres, runs cargo tests
- scripts/run-e2e-tests.sh: builds Docker, starts stack, runs Playwright
- fix: remove SESSION_SECRET from e2e docker-compose.test.yml

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

e2e/docker-compose.test.yml

@@ -8,7 +8,6 @@ services:
     environment:
       DATABASE_URL: postgres://ai_synth_test:testpassword@db:5432/ai_synth_test
       MASTER_ENCRYPTION_KEY: "0000000000000000000000000000000000000000000000000000000000000001"
-      SESSION_SECRET: "e2e-test-session-secret-at-least-64-characters-long-for-security-purposes-here"
       APP_URL: http://localhost:8080
       PORT: "8080"
       RUST_LOG: "info,ai_synth_backend=debug"

scripts/run-e2e-tests.sh

@@ -0,0 +1,61 @@
+#!/usr/bin/env bash
+#
+# Run E2E tests (Playwright) against the Docker-composed test stack.
+# Builds the app, starts the stack, runs tests, then cleans up.
+#
+# Usage:
+#   ./scripts/run-e2e-tests.sh                    # run all E2E tests
+#   ./scripts/run-e2e-tests.sh --headed           # run with browser visible
+#   ./scripts/run-e2e-tests.sh generation-live     # run specific test file
+#
+# Prerequisites:
+#   - Docker and docker compose
+#   - Node.js (for Playwright)
+#   - OPENAI_API_KEY env var (for generation-live test)
+#
+
+set -euo pipefail
+
+SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
+PROJECT_DIR="$(dirname "$SCRIPT_DIR")"
+E2E_DIR="$PROJECT_DIR/e2e"
+
+cleanup() {
+    echo ""
+    echo "=== Cleaning up test stack ==="
+    cd "$E2E_DIR"
+    docker compose -f docker-compose.test.yml down -v --remove-orphans 2>/dev/null || true
+}
+trap cleanup EXIT
+
+echo "=== Building test Docker image ==="
+cd "$E2E_DIR"
+docker compose -f docker-compose.test.yml build
+
+echo "=== Starting test stack ==="
+docker compose -f docker-compose.test.yml up -d
+
+echo "Waiting for app to be healthy..."
+for i in $(seq 1 60); do
+    if curl -sf http://localhost:8080/api/v1/health >/dev/null 2>&1; then
+        echo "App is healthy."
+        break
+    fi
+    if [ "$i" -eq 60 ]; then
+        echo "ERROR: App did not become healthy in time."
+        echo "--- App logs ---"
+        docker compose -f docker-compose.test.yml logs app | tail -30
+        exit 1
+    fi
+    sleep 2
+done
+
+echo "=== Installing Playwright dependencies ==="
+cd "$E2E_DIR"
+npm install --silent
+npx playwright install chromium --with-deps 2>/dev/null || npx playwright install chromium
+
+echo "=== Running E2E tests ==="
+npx playwright test "$@"
+
+echo "=== All E2E tests passed ==="

scripts/run-integration-tests.sh

@@ -0,0 +1,68 @@
+#!/usr/bin/env bash
+#
+# Run backend integration tests (Rust).
+# Starts a Postgres container, runs tests, then cleans up.
+#
+# Usage:
+#   ./scripts/run-integration-tests.sh           # run all integration tests
+#   ./scripts/run-integration-tests.sh pipeline   # run only pipeline_test
+#
+
+set -euo pipefail
+
+SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
+PROJECT_DIR="$(dirname "$SCRIPT_DIR")"
+
+CONTAINER_NAME="ai-synth-integration-db"
+PG_PORT=5434
+PG_USER="test_user"
+PG_PASS="test_password"
+PG_DB="postgres"
+
+cleanup() {
+    echo "Cleaning up..."
+    docker rm -f "$CONTAINER_NAME" 2>/dev/null || true
+}
+trap cleanup EXIT
+
+echo "=== Starting Postgres for integration tests ==="
+docker rm -f "$CONTAINER_NAME" 2>/dev/null || true
+docker run -d \
+    --name "$CONTAINER_NAME" \
+    -e POSTGRES_USER="$PG_USER" \
+    -e POSTGRES_PASSWORD="$PG_PASS" \
+    -e POSTGRES_DB="$PG_DB" \
+    -p "127.0.0.1:${PG_PORT}:5432" \
+    --health-cmd "pg_isready -U $PG_USER -d $PG_DB" \
+    --health-interval 5s \
+    --health-timeout 3s \
+    --health-retries 10 \
+    postgres:17-alpine
+
+echo "Waiting for Postgres to be ready..."
+for i in $(seq 1 30); do
+    if docker exec "$CONTAINER_NAME" pg_isready -U "$PG_USER" -d "$PG_DB" >/dev/null 2>&1; then
+        echo "Postgres is ready."
+        break
+    fi
+    if [ "$i" -eq 30 ]; then
+        echo "ERROR: Postgres did not become ready in time."
+        exit 1
+    fi
+    sleep 1
+done
+
+export TEST_DATABASE_URL="postgres://${PG_USER}:${PG_PASS}@127.0.0.1:${PG_PORT}/${PG_DB}"
+
+echo "=== Running integration tests ==="
+cd "$PROJECT_DIR/backend"
+
+if [ $# -gt 0 ]; then
+    echo "Running: cargo test --test $1 -- --nocapture"
+    cargo test --test "$1" -- --nocapture
+else
+    echo "Running: cargo test (all integration + unit tests)"
+    cargo test -- --nocapture
+fi
+
+echo "=== All tests passed ==="