Rip out Theia, ship P5.1 attach E2E + Justine UI work-in-progress

Theia rip-out:
- Delete app/api/theia-auth/route.ts (Traefik ForwardAuth shim)
- Delete app/api/projects/[projectId]/workspace/route.ts and
  app/api/projects/prewarm/route.ts (Cloud Run Theia provisioning)
- Delete lib/cloud-run-workspace.ts and lib/coolify-workspace.ts
- Strip provisionTheiaWorkspace + theiaWorkspaceUrl/theiaAppUuid/
  theiaError from app/api/projects/create/route.ts response
- Remove Theia callbackUrl branch in app/auth/page.tsx
- Drop "Open in Theia" button + xterm/Theia PTY copy in build/page.tsx
- Drop theiaWorkspaceUrl from deployment/page.tsx Project type
- Strip Theia IDE line + theia-code-os from advisor + agent-chat
  context strings
- Scrub Theia mention from lib/auth/workspace-auth.ts comment

P5.1 (custom apex domains + DNS):
- lib/coolify.ts + lib/opensrs.ts: nameserver normalization, OpenSRS
  XML auth, Cloud DNS plumbing
- scripts/smoke-attach-e2e.ts: full prod GCP + sandbox OpenSRS +
  prod Coolify smoke covering register/zone/A/NS/PATCH/cleanup

In-progress (Justine onboarding/build, MVP setup, agent telemetry):
- New (justine)/stories, project (home) layouts, mvp-setup, run, tasks
  routes + supporting components
- Project shell + sidebar + nav refactor for the Stackless palette
- Agent session API hardening (sessions, events, stream, approve,
  retry, stop) + atlas-chat, advisor, design-surfaces refresh
- New scripts/sync-db-url-from-coolify.mjs +
  scripts/prisma-db-push.mjs + docker-compose.local-db.yml for
  local Prisma workflows
- lib/dev-bypass.ts, lib/chat-context-refs.ts, lib/prd-sections.ts
- Misc: stories CSS, debug/prisma route, modal-theme, BuildLivePlanPanel

Made-with: Cursor

app/[workspace]/project/[projectId]/layout.tsx

@@ -1,72 +1,12 @@
-import { ProjectShell } from "@/components/layout/project-shell";
-import { query } from "@/lib/db-postgres";
+/**
+ * Passthrough layout for the project route.
+ *
+ * Two sibling route groups provide their own scaffolds:
+ *   - (home)/      — VIBNSidebar scaffold for the project home page.
+ *   - (workspace)/ — ProjectShell (top tab nav) for overview/build/run/etc.
+ */
+import { ReactNode } from "react";
 
-interface ProjectData {
-  name: string;
-  description?: string;
-  status?: string;
-  progress?: number;
-  discoveryPhase?: number;
-  capturedData?: Record<string, string>;
-  createdAt?: string;
-  updatedAt?: string;
-  featureCount?: number;
-  creationMode?: "fresh" | "chat-import" | "code-import" | "migration";
-}
-
-async function getProjectData(projectId: string): Promise<ProjectData> {
-  try {
-    const rows = await query<{ data: any; created_at?: string; updated_at?: string }>(
-      `SELECT data, created_at, updated_at FROM fs_projects WHERE id = $1 LIMIT 1`,
-      [projectId]
-    );
-    if (rows.length > 0) {
-      const { data, created_at, updated_at } = rows[0];
-      return {
-        name: data?.productName || data?.name || "Project",
-        description: data?.productVision || data?.description,
-        status: data?.status,
-        progress: data?.progress ?? 0,
-        discoveryPhase: data?.discoveryPhase ?? 0,
-        capturedData: data?.capturedData ?? {},
-        createdAt: created_at,
-        updatedAt: updated_at,
-        featureCount: Array.isArray(data?.features) ? data.features.length : (data?.featureCount ?? 0),
-        creationMode: data?.creationMode ?? "fresh",
-      };
-    }
-  } catch (error) {
-    console.error("Error fetching project:", error);
-  }
-  return { name: "Project" };
-}
-
-export default async function ProjectLayout({
-  children,
-  params,
-}: {
-  children: React.ReactNode;
-  params: Promise<{ workspace: string; projectId: string }>;
-}) {
-  const { workspace, projectId } = await params;
-  const project = await getProjectData(projectId);
-
-  return (
-    <ProjectShell
-      workspace={workspace}
-      projectId={projectId}
-      projectName={project.name}
-      projectDescription={project.description}
-      projectStatus={project.status}
-      projectProgress={project.progress}
-      discoveryPhase={project.discoveryPhase}
-      capturedData={project.capturedData}
-      createdAt={project.createdAt}
-      updatedAt={project.updatedAt}
-      featureCount={project.featureCount}
-      creationMode={project.creationMode}
-    >
-      {children}
-    </ProjectShell>
-  );
+export default function ProjectRootLayout({ children }: { children: ReactNode }) {
+  return <>{children}</>;
 }