Previously, launching a sandbox on a machine without the backend binary
died with a raw "not installed" error and no path forward. Now the
missing backend can be installed in-line, gated on explicit consent, so
a fresh checkout can go from zero to a running sandbox without leaving
the TUI.
Folded into the existing `/sbx launch` verb rather than a new command
(menu is already dense): `/sbx launch docker|multipass [image] install`.
The `install` token opts in; without it the user gets an actionable
error naming the exact retry. The token is filtered out of positional
image parsing so it never shadows a custom image.
The install runs off-thread inside the existing spawn_launch task,
before provisioning, so the TUI never blocks and the *launching guard is
cleared via BrokerMsg on failure. A fresh Docker install also leaves its
daemon up, so launch proceeds straight through.
Scripts (detect-first, never silent, --plan dry-run, idempotent if
already present):
- ensure-multipass.sh (new): Linux→snap (clear failure if snapd absent),
macOS→brew cask, Windows→winget.
- ensure-docker.sh: new --install mode using Docker's OFFICIAL,
GPG-verified apt repo (docker-ce) on Debian/Ubuntu, with dnf
(Fedora/RHEL) and pacman (Arch) fallbacks. Deliberately avoids piping
get.docker.com into a root shell. Existing daemon-start path intact.
sbx.rs: docker_installed()/multipass_installed() detectors and
ensure_docker_install()/ensure_multipass_install() wrappers; ENSURE_MULTIPASS const.
ui.rs: help text documents the [install] option on both backends.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Two interactive shell apps were unusable in the shared sandbox because the
TUI swallowed their core keys:
- Esc released drive mode and was never mapped in key_to_pty, so vim could
never leave insert mode. Esc now forwards 0x1b to the PTY; F2 (already a
drive toggle) is the release key.
- Ctrl-X (owner kill switch) was intercepted globally, so nano could never
quit. It's now gated on !app.driving — while you hold the shell Ctrl-X
reaches the PTY (0x18, nano's quit); release with F2 to arm the kill
switch.
Updated the on-screen hints and /help KEYS cluster to match.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Multipass can only snapshot a powered-off instance, so `/sbx save` on a
running multipass sandbox previously just surfaced multipass's "instance
must be stopped" error — making the snapshot that `/sbx load` needs
impossible to create through the UI.
Now multipass save powers the instance down before snapshotting, and the
handler tears the shared session down first (same as `/sbx stop`, but
WITHOUT purging so the instance — and thus the snapshot — survives for a
later `/sbx load`). Docker is unchanged: `docker commit` captures a live
container, so its save stays non-disruptive.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
The existing vbox paths only open pre-made images; there was no way to
build one from scratch. Add `/sbx launch vbox new [name]` backed by
scripts/vbox-new.sh: download an Ubuntu cloud image, convert it to a VDI,
build a cloud-init NoCloud seed that creates a sudo login user and installs
the sandbox-tools.json toolchain on first boot, then create + boot the VM.
VirtualBox guests can't be exec'd into like docker/multipass, so cloud-init
is the provisioning channel. Generates a one-time login password (or takes
--pass) and authorizes a local SSH key if present. Runs off-thread; rolls
back a half-built VM on failure.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Reorganize the help menu into one VIRTUAL MACHINES cluster covering all
backends, and bring docker/multipass/vbox to save+load parity:
- Launch-time dev toolchain: sandbox-bootstrap.sh + editable
sandbox-tools.json (vim/curl guaranteed), installed in docker AND
multipass sandboxes at provision time.
- Vbox load: vm_restore + `/sbx vmload <vm> [label]` (restore snapshot
then boot the GUI).
- Multipass load: `/sbx load` is now backend-aware (locate_snapshot +
SnapKind), mp_restore re-attaches the shared shell; teardown stops
(not purges) an instance that still has snapshots so they survive
`/sbx stop`.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Base ubuntu images ship without /var/lib/apt/lists, so apt-get install
failed with "Unable to locate package" until the user ran update by hand.
Refresh the index once during Docker provisioning.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
- app.rs: F1 now closes the help overlay (toggle), not just opens it
- host-house.sh: add --user/--name flag to override the $USER default seat
- connect.sh: incremental cargo build before launch so the UI is never a
stale release binary; --no-build escape hatch for toolchain-less joiners
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Add a BRANCH guard (default: main) so launching the house never demos a
stale checkout. ensure_branch() switches to $BRANCH before the cargo build,
refuses when the tree is dirty (won't clobber uncommitted work), and no-ops
when already on-branch or when BRANCH= is passed to keep the current checkout.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
- host-house.sh: one tmux session hosting a room (server window) plus your own
GUI client window — builds, frees the port, waits for /health, then attaches.
- host-room.sh: free_port() kills any stale LISTENer squatting on the port so
the bind can't fail with "address already in use".
- join.sh: cap each remote pull with `timeout` + GIT_TERMINAL_PROMPT=0 so an
unreachable remote fails fast instead of hanging.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Unify sandbox summoning under `/sbx launch <docker|multipass|vbox>`, each
running on the invoker's own machine. For vbox:
- `/sbx launch vbox` opens an arrow-navigable VM picker (↑↓/Enter/Tab/Esc).
- `/sbx launch vbox [gui] <vm>` boots frictionlessly for a host that already
has VirtualBox + the VM imported; a non-host appends `yes` to install
VirtualBox, import the shared appliance, and/or free VT-x first.
- `/sbx gui <vm> [yes]` kept as an alias.
Add `vm_registered()` + `import_appliance()` (VBoxManage import) in sbx.rs.
Make file transfer stream disk-to-disk so multi-GB VM images can be shared
(the old 50 MB in-memory cap blocked them): `STREAM_MAX` = 16 GiB for `/send`
(`MAX_SIZE` now guards only the in-memory tar_path for sandbox injection).
`prepare_send` stat+stream-hashes off the UI thread; `Sink`/`commit` write
incoming chunks straight to a temp `.part` file and verify SHA before moving
into place. Wire frames (offer/accept/chunk/done, 64 KB, base64) unchanged.
A received `.ova`/`.ovf` auto-imports so the recipient can immediately
`/sbx launch vbox gui <vm>`.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Move the 14 hack-house scripts (bootstrap, lets-hack, host-room, smoke,
demo/film harnesses, connect/join, ensure-docker/vbox) into hh/scripts/
and fix their path resolution for the deeper location. Update cross-refs:
sbx.rs script consts, app.rs hints, CI, direnv .envrc, README, and docs.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Friendly wrapper around `cmd_chat.py serve`: uses the project venv, mints a
random room password passed via $CMD_CHAT_PASSWORD (kept out of the process
list), prints the join command preferring the Tailscale IP, defaults to
--no-tls with an opt-in --tls (cert/key) path, and runs in the foreground.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Agents now join under their model tag (e.g. "qwen2.5:3b" — model name +
parameter size) or profile label, derived at /ai start and tracked on
App.agent_name, so the roster shows what's actually answering. Updates the
broker re-grant + /ai stop revoke paths, the Python --name default
(falls back to provider.model), and the demo/bootstrap/README/docs refs.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Two causes made a shared shell's PTY stream lag for non-host viewers and
then arrive "all at once":
1. Nagle's algorithm — PTY echo/keystrokes/chat are tiny frames; Nagle +
delayed-ACK (amplified by Tailscale RTT) coalesced them into bursts.
Set TCP_NODELAY on the client websocket (Plain/--no-tls path) and on
each server connection's socket (via ws.io_proto.transport).
2. Head-of-line blocking — ConnectionManager.broadcast awaited each
send() serially under a global lock, so the slowest viewer gated
delivery to everyone AND stalled the server's read of the broker's
next frame, backing the stream up. Give each connection its own
bounded outbound queue + writer task; broadcast now only enqueues and
never waits on a socket. A peer that overflows its backlog (4096) is
evicted (close 1013) and resyncs on reconnect rather than buffering
without bound or being fed a gapped terminal stream. Init snapshot is
enqueued as the guaranteed-first frame (send_state -> state_frame).
Adds tests/test_manager.py (FIFO, slow-client isolation, wedged
eviction, reconnect replacement). Also fmt-clean sbx.rs/theme.rs.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Derive each rolled palette's surface from its ink via legible_bg so the
background is as expressive as it can be while keeping chat text above a
contrast floor. Adds the oc-demo theme and reaction images.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
- /sbx save [--local] and new /sbx vmsave/vmsnaps: snapshot Docker,
Multipass, and VirtualBox; --local also writes a portable artifact
(docker .tar / VBox .ova) under hh-snapshots/ that survives pruning.
- sandbox reappears for anyone who leaves and rejoins (host replays
status + screen snapshot + ACL on Joined); SbxStatus ready handler is
now idempotent so it never wipes scrollback.
- received files auto-bridge into the hosted sandbox (ft::tar_path).
- AI agent: translate Ollama's cryptic 404 into model/host/fix guidance.
- bootstrap installs the AI layer (Ollama + default model) by default,
with consent gates; --no-ai opts out, --yes skips prompts.
- help menu lists the new save/vm flags.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
- lets-hack.sh: default PW is now `openssl rand -hex 12` (printed in the
summary for sharing) instead of the well-known hardcoded `malware-bless`
- join.sh: drop the hardcoded password (uses $HH_PASSWORD or a no-echo
prompt), and fast-forward pull from gitea+origin then `cargo build`
before connecting so joiners run the latest code
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
M1: enforce the declared transfer size (clamped to MAX_SIZE) on chunk
receipt in both the Rust and Python clients — a malicious sender can no
longer grow the receive buffer unboundedly.
M2: only honor X-Forwarded-For when TRUST_PROXY is set, so a direct
client can't spoof a source IP to dodge the per-IP rate limiter.
M3: evict unverified SRP sessions after a 60s TTL on each new handshake,
preventing half-finished auths from exhausting memory.
M4: drop WS frames larger than 256 KB before they hit the store or
broadcast, bounding per-message memory and flood blast radius.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
- introduce a Role model + App::host()/roles_of(): the host is the first
occupant of the roster (shown the moment they join, no sandbox required),
and roles are additive — a host who summoned a sandbox and can drive reads
✝⚡◆. Badges read the same ACL the broker enforces, so they can never
advertise a power the room won't honour
- render the stacked badge in the clergy panel and inline next to the author
on every chat message; split VirtualBox commands into their own help cluster
- default styling: the startup handle prompt now prints ✝ (crypt sigil)
instead of the inverted pentagram
- README: document VirtualBox VMs, snapshot save/load, AI streaming + recall,
the badge system, and the expanded theme set
- gitignore out-of-tree experiments, the heavy demo-build kit, and logs
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
- proptest-fuzz the untrusted frame parsers (sbx/ai/perm/users/decode_msg) so
a hostile relay/peer can never panic a client; fixes a decode_msg timestamp
byte-slice that panicked on a non-ASCII stamp (now char-boundary safe)
- extract a pure classify_vtx_holders() out of vtx_holders() and unit-test the
KVM/QEMU/multipass detection and stoppability rules
- headless cross-stack smoke test (smoke-e2e.sh): real relay + two TUI clients
in tmux, asserting SRP join, Fernet chat round-trip, and command dispatch
- CI: macOS matrix for the Rust client, cargo-audit + pip-audit, gitleaks
secret scan, llvm-cov/pytest-cov coverage, and a smoke-test job
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
The Python client saved an incoming transfer under the offerer-controlled
`name` field verbatim, so a peer could supply `../../…` or an absolute path
and write a file anywhere the user can (arbitrary write → RCE). Reduce the
name to a bare basename before joining it to the download dir, matching the
Rust client's existing behaviour.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Integrate VirtualBox as a local facility rather than a shared-PTY backend: a
Windows guest has no shell to relay, so the honest fit is launching the VM's
GUI on the caller's own machine (the "share a VM, run it locally" path) — no
display is relayed to the room, so zero-knowledge is untouched.
- ensure-vbox.sh: detect-first installer mirroring ensure-docker.sh; --check,
--plan (real apt --simulate download plan, no changes), --yes; apt/dnf/
pacman/brew/winget; Secure Boot MOK warning. HH_VBOX_FORCE_MISSING lets a
demo exercise the missing->install path without uninstalling.
- sbx.rs: vbox_installed/vbox_version/list_vms/vm_running/gui_launch +
ensure_vbox_install.
- app.rs: /sbx vms (detect + list) and /sbx gui <vm> [--install] (detect-first
then startvm --type gui); /sbx launch virtualbox steers to /sbx gui.
- ui.rs help: /sbx vms and /sbx gui entries.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Document /ai start <model> allow, /ai <name> !<task>, and the agent-aware
/grant|/revoke variants in the clustered help menu.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Add the VirtualBox sandbox design spec (headless 4th backend + share-an-
appliance GUI mode with detect-first install), the crypto pay-to-join gate
design, and the save/load PoC writeup with its demo/film driver scripts.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
- /sbx save|load|snaps: docker commit → hh-snap:<label> image that
survives /sbx stop; load relaunches a fresh sandbox from it; multipass
delegates to `multipass snapshot`. Local backend unsupported.
- Help overlay redesigned into topical clusters (SANDBOX, AI AGENTS,
PERMISSIONS, FILES, APPEARANCE, KEYS, ROSTER GLYPHS), collapsed by
default; up/down highlight a cluster, left/right/Enter expand-collapse
it (tmux-style), PgUp/PgDn scroll overflow, Esc closes.
- docstring: example uses --model qwen2.5:3b (the locally-pulled model),
not llama3.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Closes the cross-language half of token streaming (perf-plan A3). On the
CPU-only box perceived latency is time-to-first-token, so showing the reply
as it generates makes a slow model feel live.
- Agent: OllamaProvider.stream() runs on a worker thread; bridge relays
cumulative previews as throttled (~5/sec) `_ai:"stream"` control frames,
then a `done` frame clears the preview as the final persisted chat message
is posted. Providers without stream() fall back to blocking complete().
- Rust client: new Net::AiStream variant + parse_ai branch; App.ai_stream
map holds the in-progress text per agent; draw_chat renders it as a dim,
italic preview bubble below history. Cleared on done and on agent leave.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Tier A/B/C wins for the CPU-only Ollama box (no GPU → optimize TTFT and
tokens/sec, not VRAM):
- Separate qwen2.5-coder provider for the sandbox `!task` path; chat keeps
the general model. Auto-selected when chat is Ollama and a coder build is
present, override with --code-model.
- OllamaProvider num_ctx default 8192→4096 (8192 was a GPU-mindset default
that inflates prefill/TTFT on CPU); expose num_thread; add --num-ctx,
--num-thread, --num-predict. token_budget default 3000→2000 to fit.
- OllamaProvider.stream() generator over Ollama's stream=True chat endpoint
(provider half of token streaming; agent/Rust rendering is a follow-up).
- Few-shot request→shell exemplars in SANDBOX_SYSTEM to anchor the small
model's fenced-command output.
- Matryoshka embedding truncation: OllamaEmbedder truncate_dim=256 (--embed-dim)
for faster pure-Python cosine and less RAM; query+stored share the dim.
- docs/ai-perf-plan.md records all 8 items with status and the server-side
env (OLLAMA_NUM_PARALLEL=1, keep_alive) that must be set where ollama serve runs.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Give the agent recall of things said beyond the verbatim window, without
breaking the RAM-only philosophy — nothing is persisted to disk.
- MemoryIndex: a capped, in-memory pool of embedded messages with pure-Python
cosine search (no numpy). Retains far more than the rolling transcript so old
lines can be surfaced on demand; oldest evicted past the cap to bound RAM.
- OllamaEmbedder: local embeddings via nomic-embed-text, on by default and
independent of the chat provider (reuses the Ollama host when chat is Ollama).
- Bridge: captured room messages (live + backfilled) are embedded on a
background worker so a slow embedder can't stall frame draining. On a /ai
question the agent retrieves top-k relevant lines, drops weak (<min_score) and
windowed-duplicate hits, and prepends them as a clearly-fenced "recalled
context" preamble — kept at user role, never elevated to system, so untrusted
room text informs without instructing. Falls back to recency-only if the
embedder is unreachable.
- CLI: --no-rag, --embed-model, --embed-host, --rag-top-k.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
OllamaProvider now sends keep_alive (default 30m) so the model stays resident
in VRAM between /ai calls instead of cold-reloading, and sets explicit options
(num_ctx 8192, num_predict 512) — Ollama otherwise caps context at 2048, which
would silently truncate the larger backfilled window.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
The server already ships the full RAM message backlog in the init frame; the
agent was discarding it. _seed_transcript now decrypts that history with the
room key (skipping our own lines, control frames, and undecryptable blobs) so
the agent has context the moment it joins instead of starting amnesiac.
_window() replaces the fixed last-12 slice on both the answer and sandbox
paths: it walks newest-to-oldest and keeps messages up to --token-budget
(approx, ~4 chars/token), still capped at --context-window count. Keeps small
local models inside their effective context. Nothing touches disk.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Roadmap for deepening the /ai agent's conversational context while keeping
the RAM-only philosophy, plus Ollama latency wins. Marks Tier 1 (backfill,
token-budget window) and the perf tuning as in-scope now; RAG and in-RAM
compaction staged next. Grounded in public Anthropic docs, not leaked source.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Theme::random() conjures a fresh procedural vestment — a coherent HSV
palette (dark tinted surface, one bright accent, legible ink), a random
sigil, and a generated arcane name. Bound to Ctrl+Alt+P and `/theme random`.
Theme::save() persists the vestment you're wearing to themes/<slug>.toml
(via `/theme save [name]`), so a roll you like can be re-donned later with
`/theme <name>`. Theme now derives Serialize and slugify() sanitizes the
filename. Help text and the /theme usage line advertise both verbs.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
A saved random() roll: gold ink and steel-blue borders on a deep slate
surface. Self-registers via THEMES_DIR, so `/theme goldcrypt` resolves it
at runtime alongside the other bundled presets.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Agents can now run commands and build files in the shared sandbox, but
only when explicitly invoked with the `!` verb and only while the owner
has granted drive. Reuses the existing driver ACL + `_sbx:input` frames:
the Python agent emits the same input frames a human driver does, gated
by the broker's `app.drivers` check — no new transport.
Guardrails: a regex gate holds destructive commands until `/ai <name>
confirm`; blast-radius caps (20 cmds / 8KB); the agent echoes its plan to
the room before running (audit trail). Owner controls: `/grant`, `/ai
start <model> allow` to pre-grant on spawn, and a Ctrl-X panic kill
switch (revoke all non-owner drive + Ctrl-C the shell). The broker now
re-broadcasts the ACL on join so a freshly-summoned agent actually
receives its grant.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
The reader funnels both chat and high-volume _sbx:data terminal frames
through one channel, and the UI loop redraws after handling a single frame
per turn — so on a viewer's side each chat message queued behind hundreds
of sandbox frames only surfaced one-per-redraw, making chat appear to
buffer/stall whenever a shared shell was scrolling output.
Drain a bounded burst (up to 256) of ready frames per turn via a new
drain_ready() helper, keeping chat latency bounded no matter how hard the
sandbox is streaming. Add regression tests covering FIFO/cap behavior and
chat surfacing within a few turns under flood.
Also add connect.sh: a join helper with a default port that keeps the room
password in RAM only (no-echo prompt or env var, never written to disk).
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Outgoing frames were drained inline in the main select! loop with a blocking
sink.send().await. While a sandbox streams its PTY to the room, those _sbx:data
frames flood the socket; if the server backpressures (e.g. relaying to a remote
peer), each await stalled the loop, so keystrokes and incoming chat arrived in
laggy bursts. Hand the write half to a dedicated writer task; reconnect passes
it a fresh sink. Disconnects are still detected by the reader (Net::Closed).
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Make the connect `user` arg optional. When omitted, the client prompts
"choose your handle" as the first thing on join (before the TUI opens) and
re-prompts if the server rejects the name (e.g. already taken, 409). Passing
a name on the CLI still works unchanged, so the demo script is unaffected.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
The help overlay now scrolls (↑/↓, PgUp/PgDn, Home/End) with a position
indicator and only Esc dismisses it, so stray keystrokes can't close a menu
that overflows the screen. Adds three bundled vestments (blush, matrix,
wraith); they're auto-discovered via Theme::available(), so they appear in
the menu and /theme list with no hardcoded entries.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Bump from 960px/12fps to 1280px/15fps with floyd-steinberg dithering
for crisper, retina-legible terminal text — 7.4MB, under GitHub's 10MB
inline-render limit. Exceeds the upstream example.gif (800px/15fps).
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
4.7MB looping GIF rendered from the latest demo capture (alice+bob
sharing a multipass box: summon, drive, per-user sudo).
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Make connecting any model a config step, not a code change:
- models.toml named profiles (api_key_env names an env var, never the key)
- providers gain available_models(); add preflight + --list-models/--check
- /ai list and /ai models in-room; client probes local Ollama for
/ai models when no agent is running, and /ai list hints to summon one
- docs/providers.md provider guide + examples/echo_provider.py
- README: command table, AI section, layout updated
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Keeps bootstrap.sh AI-free by default; bootstrap-ai.sh layers on the local
model runtime (transparent, opt-in install) for the /ai agent.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Owner of the spawning client can summon/dismiss a local AI agent from inside
the room (default ollama/qwen2.5:3b); the agent emits encrypted typing frames
that drive a "thinking" spinner in the client.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Add cmd_chat/agent: a headless client that joins a room via SRP, decrypts
broadcasts, and answers /ai <question> through a pluggable model provider
(ollama default + anthropic + openai-compatible + module:Class). Server and
zero-knowledge guarantees unchanged; the agent is just another encrypted client.
Also pin the lets-hack demo to a detached worktree of main (default) so running
it from dev still demos stable main without touching the working checkout.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Replace the stale Django CI template with a CI workflow that builds and
tests both codebases: cargo fmt/clippy/build/test for the hh client and
pytest across Python 3.10-3.12 for the server. Apply cargo fmt and fix
all clippy lints so the gates pass.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>