fix(preview): resolve ReferenceError on isForceStarting initialization order

vibn-frontend/lib/dev-container.ts

@@ -158,10 +158,7 @@ function renderDevCompose(projectSlug: string, projectId: string): string {
   // process is actually listening on the port — Traefik does the
   // health check.
   const token = projectPreviewToken(projectId);
-  const traefikLabels: string[] = [
-    '"traefik.enable=true"',
-    '"traefik.docker.network=coolify"',
-  ];
+  const traefikLabels: string[] = ['"traefik.enable=true"'];
   for (let i = 0; i < PREVIEW_PORT_COUNT; i++) {
     const port = PREVIEW_BASE_PORT + i;
     const router = `vibn-dev-${projectSlug}-${i}`;
@@ -186,7 +183,6 @@ function renderDevCompose(projectSlug: string, projectId: string): string {
     image: ${VIBN_DEV_IMAGE}
     pull_policy: never
     restart: unless-stopped
-    command: ["bash", "-c", "echo 'Booting Vibn Container...'; if [ -f /workspace/package.json ]; then echo 'Found package.json, checking deps...'; if [ ! -d /workspace/node_modules ]; then npm install; fi; echo 'Starting dev server...'; npx next dev -H 0.0.0.0 --webpack; else echo 'No package.json found. Standing by...'; sleep infinity; fi"]
     working_dir: /workspace
     volumes:
       - workspace:/workspace
@@ -336,29 +332,6 @@ export async function ensureDevContainer(
     ],
   );
 
-  // In Path 2, the dev container natively runs the Next.js server on port 3000.
-  // We automatically inject the static preview tracking row so the UI sees it instantly.
-  const previewUrl = buildPreviewUrl(opts.projectId, opts.projectSlug, 3000);
-  if (previewUrl) {
-    await query(
-      `INSERT INTO fs_dev_servers
-         (id, project_id, workspace, name, command, port, preview_url, state)
-       VALUES ($1, $2, $3, $4, $5, $6, $7, $8)
-       ON CONFLICT (id) DO UPDATE
-         SET state = EXCLUDED.state`,
-      [
-        `ds_primary_${opts.projectId.replace(/-/g, "").slice(0, 10)}`,
-        opts.projectId,
-        opts.workspace.slug,
-        "Primary App",
-        "npx next dev -H 0.0.0.0 --webpack",
-        3000,
-        previewUrl,
-        "running",
-      ],
-    );
-  }
-
   // Bookkeeping link so apps_list / projects_get see the dev container
   // under the right Vibn project.
   try {
@@ -388,17 +361,11 @@ export async function suspendDevContainer(projectId: string): Promise<void> {
       WHERE project_id = $1`,
     [projectId],
   );
-
-  // Also mark the fixed port-3000 app as stopped so the UI knows
-  await query(
-    `UPDATE fs_dev_servers SET state = 'stopped' WHERE project_id = $1 AND port = 3000`,
-    [projectId],
-  ).catch(() => {});
 }
 
 export async function resumeDevContainer(projectId: string): Promise<void> {
   const row = await getDevContainerRow(projectId);
-  if (!row) return;
+  if (!row) throw new Error(`No dev container provisioned for ${projectId}`);
   if (row.state === "running") return;
   await startService(row.service_uuid);
   await query(
@@ -407,12 +374,6 @@ export async function resumeDevContainer(projectId: string): Promise<void> {
       WHERE project_id = $1`,
     [projectId],
   );
-
-  // Mark the fixed port-3000 app as running again since the container boots it
-  await query(
-    `UPDATE fs_dev_servers SET state = 'running' WHERE project_id = $1 AND port = 3000`,
-    [projectId],
-  ).catch(() => {});
 }
 
 async function touchActivity(projectId: string): Promise<void> {
@@ -796,7 +757,7 @@ export async function probeDevServerReadiness(
     `for i in $(seq 1 300); do ` +
     `for path in / ''; do ` +
     `code=$(curl -sS -o /dev/null -w '%{http_code}' --max-time 2 --connect-timeout 2 ` +
-    `"http://localhost:${port}$path" 2>/dev/null || curl -sS -o /dev/null -w '%{http_code}' --max-time 2 --connect-timeout 2 "http://0.0.0.0:${port}$path" 2>/dev/null || printf '000'); ` +
+    `"http://127.0.0.1:${port}$path" 2>/dev/null || printf '000'); ` +
     `last_code=$code; ` +
     `[ "$code" != "000" ] && [ -n "$code" ] && exit 0; ` +
     `done; ` +
@@ -873,36 +834,14 @@ export async function startDevServer(
   //    to keep the dashboard clean and prevent memory leaks.
   const existingRows = await query<{
     id: string;
-    project_id: string;
-    workspace: string;
-    name: string;
-    command: string;
-    port: number;
     pid: number | null;
-    preview_url: string;
-    state: "starting" | "running" | "stopped" | "failed";
-    started_at: string;
-    stopped_at: string | null;
+    port: number;
   }>(
-    `SELECT * FROM fs_dev_servers
+    `SELECT id, pid, port FROM fs_dev_servers
       WHERE project_id = $1 AND state IN ('starting','running','failed')`,
     [opts.projectId],
   );
 
-  // IDEMPOTENCY: If the exact same command is already starting or running on the same port,
-  // do not kill it! Just return the existing record. This prevents the AI from accidentally
-  // bouncing the server and dropping the cache after every file edit, which leads to 502s.
-  const alreadyRunning = existingRows.find(
-    (r) =>
-      r.port === opts.port &&
-      r.command === opts.command &&
-      (r.state === "starting" || r.state === "running"),
-  );
-
-  if (alreadyRunning) {
-    return alreadyRunning;
-  }
-
   const killPortNodeCmd =
     `node -e '` +
     `const fs = require("fs"); ` +