diff --git a/cordis.patch.yml b/cordis.patch.yml
new file mode 100644
index 0000000..6cd78d8
--- /dev/null
+++ b/cordis.patch.yml
@@ -0,0 +1,29 @@
+# Ship-ready overlay that swaps the harness loop for `dsh-memory/loop`.
+#
+# This is the ONLY artefact that proves the replacement loop is mounted: without
+# it `lib/loop.js` is a subclass nobody instantiates (its unit tests exercise the
+# pure `promoteSnapshotSections` function and nothing else).
+#
+# Apply it to a profile (a `--patch` overlay, or copied into the profile's own
+# `cordis.patch.yml`); `dsh` composes it over `@deepseek-ai/dsh-base`, where the
+# `agent-loop` row already exists:
+#
+#     dsh --profile headless --patch <this file> "<task>"
+#
+# ★ The disable is not optional, and it is by ID, not by name. `AgentLoop`'s
+# constructor ends with `ctx.effect(() => ctx.agents.setFactory(this))`
+# (dsh-agent-loop/lib/index.js:1590), and `dsh-agent`'s `setFactory` throws when a
+# factory is already registered (dsh-agent/lib/index.js:429-437). Leaving the base
+# row enabled makes startup fail with "an agent factory is already registered";
+# `HologramAgentLoop` inherits that constructor, so it registers exactly once —
+# but only if the base row is gone.
+- id: agent-loop
+  disabled: true
+
+# The replacement. No `config` block on purpose: `HologramAgentLoop` defines no
+# `static Config`, so it inherits the parent schema (`maxParallelToolCalls`,
+# `agents`) and the profile's own `agent-loop` config rows keep working through
+# the inherited constructor.
+- insert:
+    - id: hologram-agent-loop
+      name: dsh-memory/loop
diff --git a/package.json b/package.json
index 89d2541..47659da 100644
--- a/package.json
+++ b/package.json
@@ -5,10 +5,12 @@
   "type": "module",
   "main": "lib/index.js",
   "exports": {
-    ".": "./lib/index.js"
+    ".": "./lib/index.js",
+    "./loop": "./lib/loop.js"
   },
   "files": [
     "lib/*.js",
+    "lib/loop.js",
     "lib/types/*.d.ts"
   ],
   "engines": {