diff --git a/console/src/compose.test.ts b/console/src/compose.test.ts
deleted file mode 100644
index fde8570..0000000
--- a/console/src/compose.test.ts
+++ /dev/null
@@ -1,65 +0,0 @@
-import { describe, it, expect } from "vitest";
-import { renderPreviewHtml, libraryNames, type BundlePreview, type Library } from "./compose";
-
-const PREVIEW: BundlePreview = {
-  image_tag: "ghcr.io/openabdev/openab:0.9.0-claude",
-  digest: "sha256:abc123",
-  files: [
-    { path: ".claude/skills/memory/SKILL.md", text: "# memory\n", bytes: 9, binary: false },
-    { path: "CLAUDE.md", text: "# persona\n", bytes: 10, binary: false },
-  ],
-};
-
-describe("renderPreviewHtml", () => {
-  it("shows the image tag, digest and file count", () => {
-    const html = renderPreviewHtml(PREVIEW);
-    expect(html).toContain("ghcr.io/openabdev/openab:0.9.0-claude");
-    expect(html).toContain("sha256:abc123");
-    // file count
-    expect(html).toContain("files</span> 2");
-  });
-
-  it("lists each file path with its content", () => {
-    const html = renderPreviewHtml(PREVIEW);
-    expect(html).toContain(".claude/skills/memory/SKILL.md");
-    expect(html).toContain("CLAUDE.md");
-    expect(html).toContain("# persona\n");
-  });
-
-  it("escapes HTML in paths and content (no injection)", () => {
-    const html = renderPreviewHtml({
-      image_tag: "img",
-      digest: "sha256:x",
-      files: [{ path: "<evil>.md", text: "<script>alert(1)</script>", bytes: 5, binary: false }],
-    });
-    expect(html).not.toContain("<script>alert(1)</script>");
-    expect(html).toContain("&lt;script&gt;");
-    expect(html).toContain("&lt;evil&gt;.md");
-  });
-
-  it("does not dump content for a binary file", () => {
-    const html = renderPreviewHtml({
-      image_tag: "img",
-      digest: "sha256:x",
-      files: [{ path: "blob", text: "�", bytes: 3, binary: true }],
-    });
-    expect(html).toContain("binary");
-    expect(html).toContain("not shown");
-  });
-});
-
-describe("libraryNames", () => {
-  it("returns sorted template and overlay names", () => {
-    const lib: Library = {
-      templates: { zeta: {} as never, alpha: {} as never },
-      overlays: { orca: {} as never },
-      skills: { skills: {} },
-    };
-    expect(libraryNames(lib)).toEqual({ templates: ["alpha", "zeta"], overlays: ["orca"] });
-  });
-
-  it("tolerates missing maps", () => {
-    const lib = { skills: { skills: {} } } as unknown as Library;
-    expect(libraryNames(lib)).toEqual({ templates: [], overlays: [] });
-  });
-});
diff --git a/console/src/compose.ts b/console/src/compose.ts
deleted file mode 100644
index 8342e37..0000000
--- a/console/src/compose.ts
+++ /dev/null
@@ -1,87 +0,0 @@
-// Compose: the template/overlay/skills library types + the composed
-// `{path → bytes}` bundle preview (agent-deployment ADR, slice 1). The
-// standalone authoring tab this module used to wire (`initComposeTab`) is
-// gone — `[+ New fleet]`/`[+ Add instance]` (`deploy.ts`) reach the same
-// compose→preview→deploy engine as an action instead, reusing the pure
-// helpers below. Everything real runs through the backend: the library is
-// persisted by `compose_library_set`, and the preview is composed by
-// `compose_preview` (the pure Rust `studio-compose` seam).
-//
-// These types mirror `studio_compose`'s serde shapes 1:1.
-
-export interface Template {
-  name: string;
-  image_tag: string;
-  files: Record<string, string>;
-  skills: string[];
-}
-export interface Overlay {
-  name: string;
-  image_tag?: string | null;
-  files: Record<string, string>;
-  skills: string[];
-}
-export interface Skill {
-  files: Record<string, string>;
-}
-export interface SkillsLibrary {
-  skills: Record<string, Skill>;
-}
-export interface Library {
-  templates: Record<string, Template>;
-  overlays: Record<string, Overlay>;
-  skills: SkillsLibrary;
-}
-export interface FilePreview {
-  path: string;
-  text: string;
-  bytes: number;
-  binary: boolean;
-}
-export interface BundlePreview {
-  image_tag: string;
-  digest: string;
-  files: FilePreview[];
-}
-
-function escapeHtml(s: string): string {
-  return s
-    .replace(/&/g, "&amp;")
-    .replace(/</g, "&lt;")
-    .replace(/>/g, "&gt;")
-    .replace(/"/g, "&quot;");
-}
-
-/** Render the composed-bundle preview to HTML — a pure view (unit-tested). */
-export function renderPreviewHtml(preview: BundlePreview): string {
-  const rows = preview.files
-    .map((f) => {
-      const meta = f.binary ? `${f.bytes} bytes · binary` : `${f.bytes} bytes`;
-      const body = f.binary
-        ? `<pre class="compose-file-body compose-file-binary">(binary — ${f.bytes} bytes, not shown)</pre>`
-        : `<pre class="compose-file-body">${escapeHtml(f.text)}</pre>`;
-      return (
-        `<details class="compose-file">` +
-        `<summary><code>${escapeHtml(f.path)}</code><span class="compose-file-meta">${escapeHtml(meta)}</span></summary>` +
-        body +
-        `</details>`
-      );
-    })
-    .join("");
-  const count = preview.files.length;
-  return (
-    `<div class="compose-bundle-head">` +
-    `<div><span class="compose-k">image</span> <code>${escapeHtml(preview.image_tag)}</code></div>` +
-    `<div><span class="compose-k">digest</span> <code>${escapeHtml(preview.digest)}</code></div>` +
-    `<div><span class="compose-k">files</span> ${count}</div>` +
-    `</div>` +
-    `<div class="compose-files">${rows}</div>`
-  );
-}
-
-/** Names present in the parsed library, sorted — drives the picker `<option>`s. */
-export function libraryNames(lib: Library): { templates: string[]; overlays: string[] } {
-  const keys = (o: Record<string, unknown> | undefined): string[] =>
-    o ? Object.keys(o).sort() : [];
-  return { templates: keys(lib.templates), overlays: keys(lib.overlays) };
-}