diff --git a/.env.sample b/.env.sample
index c74e00c..05c8ef4 100644
--- a/.env.sample
+++ b/.env.sample
@@ -26,7 +26,7 @@ DSH_VERSION=dsh-v0.2.1-rc.5
 # Full upstream commit SHA that DSH_VERSION resolves to; the main image build
 # fails if the clone's HEAD differs (guards against a moved tag).
 DSH_COMMIT=b830ec950faba0a46dda564be3e2d854afed94f1
-RELEASE_REVISION=
+RELEASE_REVISION=r6
 PNPM_VERSION=11.28.5
 # Container port, and the host port published by "make run".
 DSH_PORT=3080
diff --git a/AGENTS.md b/AGENTS.md
index 7cb1ed9..c389f41 100644
--- a/AGENTS.md
+++ b/AGENTS.md
@@ -82,7 +82,7 @@ needs kind plus the agent-sandbox CRDs (see the example README).
 ## Versioning and releases
 
 - Release identity = DSH_VERSION plus an optional -rN repository revision.
-  The current identity is dsh-v0.2.1-rc.5 (first release at this DSH ref, so no
+  The current identity is dsh-v0.2.1-rc.5-r6 (first release at this DSH ref, so no
   suffix); a repository-only change at the same ref publishes -r2.
 - Channels: release tags are immutable; latest follows the newest release;
   main is the development channel for both image packages.
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8e73d2e..cd9eb2a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,39 @@
 All notable changes to this repository are documented here.
 Generated by git-cliff from Conventional Commits; do not edit this file by hand.
 
+## [dsh-v0.2.1-rc.5-r6] - 2026-10-31
+
+### Added
+
+- **example:** Persist the agent workspace on the PVC via subPath (#34) (367294b)
+- **example:** Start DSH's folder picker on the persisted workspace (#36) (82ee0d0)
+
+### CI
+
+- **workflows:** Streamline CI and remove redundant builds (#31) (dcb5b43)
+
+### Documentation
+
+- Align readmes, docs and agent guidance with current behavior (#37) (24f23e0)
+
+### Fixed
+
+- **gateway:** Answer client-aborted requests with 499, not a traceback (#32) (cbcc56f)
+- Ship bubblewrap for DSH's command sandbox, keep agents usable without it (#35) (a09d4ac)
+- **ci:** Harden workflow token scope and download integrity (#39) (2f959e6)
+- **gateway:** Replace token cookies with revocable sessions and harden abuse controls (#40) (1a929e3)
+
+### Maintenance
+
+- **changelog:** Refresh for dsh-v0.2.1-rc.5 (#30) (b57916d)
+- Bump docker/login-action (#28) (8c34f43)
+- **deps:** Bump agent-sandbox to v1.0.9 (#38) (4c073ee)
+- Improve package installation and add Python depend… (#42) (8e9bd47)
+
+### Other
+
+- Add continue-on-error to CHANGELOG PR step (97c5632)
+
 ## [dsh-v0.2.1-rc.5] - 2026-10-30
 
 ### Added
diff --git a/Dockerfile b/Dockerfile
index a28e2d3..700d5d3 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -68,7 +68,7 @@ RUN cd /opt/dsh \
 FROM $NODE_RUNTIME_IMAGE AS runtime
 
 ARG DSH_VERSION=dsh-v0.2.1-rc.5
-ARG RELEASE_REVISION=
+ARG RELEASE_REVISION=r6
 ARG PNPM_VERSION=11.28.5
 ARG VCS_REF=unknown
 
@@ -106,8 +106,11 @@ RUN apt-get update \
       tini \
       gh \
       bubblewrap \
+      python3 \
+      python3-pip \
+      python3-venv \
  && rm -rf /var/lib/apt/lists/* \
- && curl -LsSf https://astral.sh/uv/install.sh | sh \
+ && apt-get autoclean -y \
      && install -d -o node -g node -m 0755 /workspace "$DSH_HOME" \
      && corepack enable \
      && corepack prepare "pnpm@$PNPM_VERSION" --activate \
@@ -160,6 +163,6 @@ WORKDIR /workspace
 USER node
 
 EXPOSE 3080
-VOLUME ["/home/node/.dsh"]
+VOLUME ["/home/node/.dsh", "/workspace"]
 STOPSIGNAL SIGTERM
 ENTRYPOINT ["/usr/bin/tini", "--", "/usr/local/bin/dsh-entrypoint"]
diff --git a/README.md b/README.md
index 97e8879..446df62 100644
--- a/README.md
+++ b/README.md
@@ -20,7 +20,7 @@ docker run -d --name dsh-web \
   -p 3080:3080 \
   -v dsh-home:/home/node/.dsh \
   -e DEEPSEEK_API_KEY \
-  ghcr.io/sredevopsorg/deepseek-kubernetes-sandbox:dsh-v0.2.1-rc.5
+  ghcr.io/sredevopsorg/deepseek-kubernetes-sandbox:dsh-v0.2.1-rc.5-r6
 ```
 
 DSH Web is **not usable at a bare `/`**. Without its launch-token cookie it
@@ -45,7 +45,7 @@ docker run -d --name dsh-web -p 18081:3080 \
   -e DSH_PUBLIC_URL=http://localhost:18081 \
   -v dsh-home:/home/node/.dsh \
   -e DEEPSEEK_API_KEY \
-  ghcr.io/sredevopsorg/deepseek-kubernetes-sandbox:dsh-v0.2.1-rc.5
+  ghcr.io/sredevopsorg/deepseek-kubernetes-sandbox:dsh-v0.2.1-rc.5-r6
 # then open http://localhost:18081/?token=...
 ```
 
@@ -94,20 +94,20 @@ ghcr.io/sredevopsorg/deepseek-kubernetes-sandbox/dsh-agents-as-a-service/gateway
 
 | Tag | Contents | Meaning |
 | --- | --- | --- |
-| `dsh-v0.2.1-rc.5` | DSH Web, port `3080` | **Current release identity.** Immutable: once published it never moves. |
+| `dsh-v0.2.1-rc.5-r6` | DSH Web, port `3080` | **Current release identity.** Immutable: once published it never moves. |
 | `latest` | DSH Web | Most recent release; same digest as the current identity. |
 | `main` | DSH Web | Development channel rebuilt when image-definition files change on `main`. Not a release; not for production. |
 
 The example gateway is published under its nested path with the same release
 identity, e.g.
-`ghcr.io/sredevopsorg/deepseek-kubernetes-sandbox/dsh-agents-as-a-service/gateway:dsh-v0.2.1-rc.5`.
+`ghcr.io/sredevopsorg/deepseek-kubernetes-sandbox/dsh-agents-as-a-service/gateway:dsh-v0.2.1-rc.5-r6`.
 
 Release identities, channels and rollback rules are explained in
 [docs/versioning.md](docs/versioning.md). Production deployments should pin a
 digest:
 
 ```bash
-docker buildx imagetools inspect ghcr.io/sredevopsorg/deepseek-kubernetes-sandbox:dsh-v0.2.1-rc.5
+docker buildx imagetools inspect ghcr.io/sredevopsorg/deepseek-kubernetes-sandbox:dsh-v0.2.1-rc.5-r6
 # image: ghcr.io/sredevopsorg/deepseek-kubernetes-sandbox@sha256:<digest>
 ```
 
@@ -188,7 +188,7 @@ required checks and releases: [docs/gitflow.md](docs/gitflow.md).
 
 The release identity is the upstream DSH ref plus an optional repository
 revision: `DSH_VERSION` and `RELEASE_REVISION` in [versions.env](versions.env).
-The current identity is **`dsh-v0.2.1-rc.5`** — the first release at this
+The current identity is **`dsh-v0.2.1-rc.5-r6`** — the first release at this
 upstream DSH ref, so it carries no repository revision. Tags are immutable; a
 broken release is fixed by publishing `-r(N+1)`, never by re-tagging.
 
diff --git a/docs/README.md b/docs/README.md
index 192ec1c..45f8c02 100644
--- a/docs/README.md
+++ b/docs/README.md
@@ -14,7 +14,7 @@ gets a DSH Web container running before anything else.
 | [main-image.md](main-image.md) | The primary artifact: build args, runtime environment, entrypoint, probes, volumes/ports/signals, non-root contract, image names, tags and digests. |
 | [examples.md](examples.md) | The example contract: required layout, manifest rules, exposure variants, components and image naming, scripts, docs, and how to add a new example. |
 | [gitflow.md](gitflow.md) | Branches, protected `main`, squash merges, Conventional PR titles, required CI checks, release branches, hotfixes and the one-time GitHub settings checklist. |
-| [versioning.md](versioning.md) | Release identity (`DSH ref` + optional `-rN`), the current identity `dsh-v0.2.1-rc.5`, why identities are immutable, channels, compatibility matrix, bumping pins, the release checklist, rollback, git-cliff and digest pinning. |
+| [versioning.md](versioning.md) | Release identity (`DSH ref` + optional `-rN`), the current identity `dsh-v0.2.1-rc.5-r6`, why identities are immutable, channels, compatibility matrix, bumping pins, the release checklist, rollback, git-cliff and digest pinning. |
 | [workflow-security.md](workflow-security.md) | GitHub Actions security posture: least-privilege tokens, pinned actions, untrusted-input handling, download integrity checks, artifact hygiene, the latest audit record and residual repository-setting recommendations. |
 
 ## Project skills
diff --git a/docs/main-image.md b/docs/main-image.md
index 8e21636..0095da6 100644
--- a/docs/main-image.md
+++ b/docs/main-image.md
@@ -39,12 +39,12 @@ To reproduce the equivalent by hand:
 
 ```bash
 docker build \
-  --build-arg DSH_VERSION=dsh-v0.2.1-rc.5 \
+  --build-arg DSH_VERSION=dsh-v0.2.1-rc.5-r6 \
   --build-arg DSH_COMMIT=b830ec950faba0a46dda564be3e2d854afed94f1 \
   --build-arg RELEASE_REVISION= \
   --build-arg PNPM_VERSION=11.28.5 \
   --build-arg VCS_REF="$(git rev-parse --short HEAD)" \
-  -t ghcr.io/sredevopsorg/deepseek-kubernetes-sandbox:dsh-v0.2.1-rc.5 .
+  -t ghcr.io/sredevopsorg/deepseek-kubernetes-sandbox:dsh-v0.2.1-rc.5-r6 .
 ```
 
 ### Build args
@@ -209,7 +209,7 @@ GitHub Container Registry:
 
 | Tag | Meaning |
 | --- | --- |
-| `dsh-v0.2.1-rc.5` | Current release identity. **Immutable**: once published it never moves. |
+| `dsh-v0.2.1-rc.5-r6` | Current release identity. **Immutable**: once published it never moves. |
 | `latest` | Most recent release; points at the same digest as the current identity. |
 | `main` | Development channel rebuilt when image-definition files change on `main`; not a release, not for production. |
 
@@ -218,7 +218,7 @@ Release identities, channels and rollback rules are defined in
 pin a digest:
 
 ```bash
-docker buildx imagetools inspect ghcr.io/sredevopsorg/deepseek-kubernetes-sandbox:dsh-v0.2.1-rc.5
+docker buildx imagetools inspect ghcr.io/sredevopsorg/deepseek-kubernetes-sandbox:dsh-v0.2.1-rc.5-r6
 # ... pin the digest in your deployment manifests:
 #   image: ghcr.io/sredevopsorg/deepseek-kubernetes-sandbox@sha256:<digest>
 ```
@@ -226,7 +226,7 @@ docker buildx imagetools inspect ghcr.io/sredevopsorg/deepseek-kubernetes-sandbo
 ## Verifying an image
 
 ```bash
-docker inspect ghcr.io/sredevopsorg/deepseek-kubernetes-sandbox:dsh-v0.2.1-rc.5 \
+docker inspect ghcr.io/sredevopsorg/deepseek-kubernetes-sandbox:dsh-v0.2.1-rc.5-r6 \
   --format '{{json .Config.Labels}}'
 # org.opencontainers.image.title / .version / .source
 # io.sredevopsorg.dsh.version / io.sredevopsorg.release.revision
diff --git a/docs/versioning.md b/docs/versioning.md
index 66b6a17..475ab4c 100644
--- a/docs/versioning.md
+++ b/docs/versioning.md
@@ -15,12 +15,12 @@ release identity = DSH_VERSION + optional "-" + RELEASE_REVISION
 
 | Piece | Meaning |
 | --- | --- |
-| `DSH_VERSION` | The upstream DeepSeek Harness git ref being packaged, e.g. `dsh-v0.2.1-rc.5`. It mirrors upstream's own tag. |
+| `DSH_VERSION` | The upstream DeepSeek Harness git ref being packaged, e.g. `dsh-v0.2.1-rc.5-r6`. It mirrors upstream's own tag. |
 | `RELEASE_REVISION` | An optional repository revision at that DSH ref: empty for the first release, `rN` (`N >= 2`) for a repository-only re-release. |
 
 Examples:
 
-- `DSH_VERSION=dsh-v0.2.1-rc.5`, `RELEASE_REVISION=` → identity `dsh-v0.2.1-rc.5`
+- `DSH_VERSION=dsh-v0.2.1-rc.5-r6`, `RELEASE_REVISION=` → identity `dsh-v0.2.1-rc.5-r6`
   (first release at that upstream ref).
 - `DSH_VERSION=<ref>`, `RELEASE_REVISION=rN` → identity `<ref>-rN` (for example
   documentation, CI or gateway changes on top of an already-released ref; no DSH
@@ -36,7 +36,7 @@ with an empty revision); a repository-only change at the same DSH ref increments
 change what an existing deployment runs. A fix therefore publishes a new identity;
 see the rules above.
 
-The current identity is `dsh-v0.2.1-rc.5`, the first release at this upstream
+The current identity is `dsh-v0.2.1-rc.5-r6`, the first release at this upstream
 ref, so it carries no revision suffix. The identity is stored in
 [versions.env](../versions.env) and consumed everywhere: the Dockerfile labels
 (version and revision), the example manifests, the Makefile and the release
@@ -46,7 +46,7 @@ workflow.
 
 | Channel | Image tag | Meaning |
 | --- | --- | --- |
-| Release | `dsh-v0.2.1-rc.5` | The current immutable release identity. What production should pin (preferably by digest). |
+| Release | `dsh-v0.2.1-rc.5-r6` | The current immutable release identity. What production should pin (preferably by digest). |
 | `latest` | `latest` | Alias for the most recent release; moves only when a new release is published. |
 | `main` | `main` | Development channel, rebuilt when image or gateway sources change on `main`. Never treat it as a release; it exists so `main` can be tested. |
 
@@ -60,7 +60,7 @@ Values from [versions.env](../versions.env) at the current identity:
 | Component | Pin | Source |
 | --- | --- | --- |
 | Upstream DSH source | `DSH_REPO` | [versions.env](../versions.env) |
-| DSH ref | `dsh-v0.2.1-rc.5` | `DSH_VERSION` |
+| DSH ref | `dsh-v0.2.1-rc.5-r6` | `DSH_VERSION` |
 | DSH commit | `b830ec950faba0a46dda564be3e2d854afed94f1` | `DSH_COMMIT`; the main image build fails unless the clone's `HEAD` matches |
 | Repository revision | `(empty)` | `RELEASE_REVISION` |
 | pnpm | `11.28.5` | `PNPM_VERSION` |
@@ -176,7 +176,7 @@ Release identities are immutable in theory; deployments should still pin the
 _resolved_ digest for reproducibility and supply-chain safety:
 
 ```bash
-docker buildx imagetools inspect ghcr.io/sredevopsorg/deepseek-kubernetes-sandbox:dsh-v0.2.1-rc.5
+docker buildx imagetools inspect ghcr.io/sredevopsorg/deepseek-kubernetes-sandbox:dsh-v0.2.1-rc.5-r6
 # then, in the deployment:
 #   image: ghcr.io/sredevopsorg/deepseek-kubernetes-sandbox@sha256:<digest>
 ```
diff --git a/examples/dsh-agents-as-a-service/README.md b/examples/dsh-agents-as-a-service/README.md
index c6105a4..48546c8 100644
--- a/examples/dsh-agents-as-a-service/README.md
+++ b/examples/dsh-agents-as-a-service/README.md
@@ -270,7 +270,7 @@ kubectl delete -f manifests/40-claim-rejected.yaml
 ```bash
 # Published image (on kind, load it into the cluster; on a real cluster the
 # kubelet pulls it from GHCR):
-GW=ghcr.io/sredevopsorg/deepseek-kubernetes-sandbox/dsh-agents-as-a-service/gateway:dsh-v0.2.1-rc.5
+GW=ghcr.io/sredevopsorg/deepseek-kubernetes-sandbox/dsh-agents-as-a-service/gateway:dsh-v0.2.1-rc.5-r6
 docker pull "$GW"
 kind load docker-image "$GW" --name <kind-cluster>
 
diff --git a/examples/dsh-agents-as-a-service/gateway/README.md b/examples/dsh-agents-as-a-service/gateway/README.md
index 043f1ba..6dfb84d 100644
--- a/examples/dsh-agents-as-a-service/gateway/README.md
+++ b/examples/dsh-agents-as-a-service/gateway/README.md
@@ -24,7 +24,7 @@ It does four things:
 The DSH version pin lives in [`versions.env`](../../../versions.env)
 (`DSH_VERSION` plus the optional repository `RELEASE_REVISION`); the example
 manifests and published images use the release identity built from it (currently
-`dsh-v0.2.1-rc.5`). DSH binds `:3080`, gates the UI and `/api` behind a
+`dsh-v0.2.1-rc.5-r6`). DSH binds `:3080`, gates the UI and `/api` behind a
 `dsh-auth-*` cookie and requires a WebSocket at `/api/remote.mux`.
 
 ## Flow
diff --git a/examples/dsh-agents-as-a-service/manifests/10-sandboxtemplate.yaml b/examples/dsh-agents-as-a-service/manifests/10-sandboxtemplate.yaml
index 432298b..9315740 100644
--- a/examples/dsh-agents-as-a-service/manifests/10-sandboxtemplate.yaml
+++ b/examples/dsh-agents-as-a-service/manifests/10-sandboxtemplate.yaml
@@ -73,7 +73,7 @@ spec:
         fsGroupChangePolicy: OnRootMismatch
       containers:
         - name: dsh-web
-          image: ghcr.io/sredevopsorg/deepseek-kubernetes-sandbox:dsh-v0.2.1-rc.5
+          image: ghcr.io/sredevopsorg/deepseek-kubernetes-sandbox:dsh-v0.2.1-rc.5-r6
           imagePullPolicy: IfNotPresent
           ports:
             - name: web
diff --git a/examples/dsh-agents-as-a-service/manifests/50-gateway.yaml b/examples/dsh-agents-as-a-service/manifests/50-gateway.yaml
index f5e51cb..024e52e 100644
--- a/examples/dsh-agents-as-a-service/manifests/50-gateway.yaml
+++ b/examples/dsh-agents-as-a-service/manifests/50-gateway.yaml
@@ -101,7 +101,7 @@ spec:
           type: RuntimeDefault
       containers:
         - name: gateway
-          image: ghcr.io/sredevopsorg/deepseek-kubernetes-sandbox/dsh-agents-as-a-service/gateway:dsh-v0.2.1-rc.5
+          image: ghcr.io/sredevopsorg/deepseek-kubernetes-sandbox/dsh-agents-as-a-service/gateway:dsh-v0.2.1-rc.5-r6
           imagePullPolicy: IfNotPresent
           securityContext:
             allowPrivilegeEscalation: false
diff --git a/examples/minimal-single-tenant/manifests/10-sandboxtemplate.yaml b/examples/minimal-single-tenant/manifests/10-sandboxtemplate.yaml
index 482ddc8..e118d84 100644
--- a/examples/minimal-single-tenant/manifests/10-sandboxtemplate.yaml
+++ b/examples/minimal-single-tenant/manifests/10-sandboxtemplate.yaml
@@ -56,7 +56,7 @@ spec:
         fsGroupChangePolicy: OnRootMismatch
       containers:
         - name: dsh-web
-          image: ghcr.io/sredevopsorg/deepseek-kubernetes-sandbox:dsh-v0.2.1-rc.5
+          image: ghcr.io/sredevopsorg/deepseek-kubernetes-sandbox:dsh-v0.2.1-rc.5-r6
           imagePullPolicy: IfNotPresent
           ports:
             - name: web
diff --git a/scripts/set-version.sh b/scripts/set-version.sh
index 7dc47b5..2c9f268 100755
--- a/scripts/set-version.sh
+++ b/scripts/set-version.sh
@@ -3,7 +3,7 @@
 # "make check".
 #
 #   ./scripts/set-version.sh dsh-v0.2.2-rc.1        # new DSH ref, no revision
-#   ./scripts/set-version.sh dsh-v0.2.1-rc.5 r3    # same ref, new repo revision
+#   ./scripts/set-version.sh dsh-v0.2.1-rc.5-r6 r3    # same ref, new repo revision
 #
 # For a new DSH ref the script resolves the tag's commit with "git ls-remote"
 # (peeled ^{} commit first, tag ref as fallback) and rewrites DSH_COMMIT in
diff --git a/versions.env b/versions.env
index 0548461..1728adb 100644
--- a/versions.env
+++ b/versions.env
@@ -18,9 +18,16 @@ PNPM_VERSION=11.28.5
 # Release identity = DSH_VERSION plus an optional repository revision.
 # An empty RELEASE_REVISION is the first release at this DSH ref; rN (N >= 2)
 # marks a repository-only re-release at the same DSH ref. This is the first
-# release at dsh-v0.2.1-rc.5, so the identity is the plain tag; a later
+# release at dsh-v0.2.1-rc.5-r6, so the identity is the plain tag; a later
 # repository-only change at the same ref becomes -r2.
-RELEASE_REVISION=
+RELEASE_REVISION=r6
+
+# Base images for the main DSH Web image (root Dockerfile), pinned by digest.
+NODE_BUILD_IMAGE=docker.io/node:24-trixie@sha256:8c761eca2bf7eec965f946cf47b8090143cb41f45f2f8699af0cc0298d2d2d19
+NODE_RUNTIME_IMAGE=docker.io/node:24-trixie-slim@sha256:54f84b4cf8432b21aaffd5d3ce8d41e12cea0d10d33c09d2f3c9879d49d6b446
+
+# Base image for the example gateway (examples/dsh-agents-as-a-service/gateway).
+GATEWAY_PYTHON_IMAGE=docker.io/python:3.12-slim@sha256:aa943ce411423c7582288f18707ff66eddcbaeb510502d747a72aeb34f30d159
 
 # Base images for the main DSH Web image (root Dockerfile), pinned by digest.
 NODE_BUILD_IMAGE=docker.io/node:24-trixie@sha256:8c761eca2bf7eec965f946cf47b8090143cb41f45f2f8699af0cc0298d2d2d19