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Quantum Studio: one interface for the browser and the desktop app, on the job service's engine #362

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dcharlot wants to merge 10 commits from wai/quantum-studio into main
pull from: wai/quantum-studio
merge into: Transaction-Science:main
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dcharlot commented 2026-10-20 09:37:40 -04:00
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Stacked on #361 (and so on #359 and #356). Merge those first. Its own commit is the last one.

Quantum Studio (wai/quantum-studio) is one interface for the browser and the desktop. It runs OpenQASM programs in three places:

  • this browser, with the engine compiled to WebAssembly, in a worker;
  • this computer, with the engine built natively, in the desktop app;
  • the job service.

All three return the same job. The Studio shows it the same way and checks its receipt where it runs. The same request and seed give the same counts everywhere.

The editor

  • It highlights OpenQASM and completes the standard gates and the program's own registers.
  • It marks the engine's diagnostics on their lines.
  • It draws the circuit and shows the plan as the program is typed.
  • Ctrl/⌘+Enter runs; Escape cancels.

A result shows:

  • its method and why, and its accuracy class;
  • counts, expectation values, and amplitudes with probability and phase;
  • the receipt: whose key signed it, checked on this device, and downloadable.

The program and the history of runs stay on the device. "Copy link" carries the program in the URL fragment.

The desktop app (wai/wai-quantum-desktop) puts the Studio's build around the native engine.

  • Each job runs in a worker process, so Cancel ends it and a big job can't take the app down with it.
  • The worker plans and runs; the app seals with the user's key (the command line's), which never leaves it.
  • Jobs and programs are saved under ~/Documents/Quantum Studio/.
  • check runs a job through the worker, seals it and verifies it, with no window.

Also in this PR

  • engine::job splits into plan_and_run and seal; run is the two together.
  • wai-quantum-cli gains a library target, so the app can use its key module.

Checked on the build host

  • test/studio.test.mjs passes every check in Chrome:

    • lint, draw and plan as the program is typed;
    • a run in the browser: stabilizer, only 00 and 11, ⟨Z0 Z1⟩ = 1, the receipt verified here and signed by this browser's key;
    • an unknown gate marked in the editor;
    • rx(0.3) on the state vector with ⟨Z0⟩ = cos 0.3;
    • the live service giving the counts run here, shot for shot, with its receipt checked here as the service's;
    • Ctrl+Enter, and the program and the history surviving a reload;
    • no console error and no failed request;
    • no sideways scroll at 390 px.

    Screenshots of both colour schemes were reviewed.

  • The desktop app builds clean. check passes, with the Bell pair sealed in the app and verified. 2 tests; clippy with warnings as errors.

  • The engine (45), the command line (6 tests, clippy and smoke.sh), the browser binding (4) and the service (18) still pass after the job split.

  • scripts/check-lockfiles.sh.

What CI runs. .github/workflows/wai-quantum-studio.yml builds the engine's browser package, builds the Studio and runs its test, leaving out the live-service step in CI. On macOS it runs the app's tests, clippy and check.

Not yet: signed installers, and the Studio on the site. Both come after this merges.

🤖 Generated with Claude Code

Closed: replaced by #363, the same commits cherry-picked onto main (the changelog had diverged), with the assistant added

**Stacked on #361** (and so on #359 and #356). Merge those first. Its own commit is the last one. **Quantum Studio** (`wai/quantum-studio`) is one interface for the browser and the desktop. It runs OpenQASM programs in three places: - this browser, with the engine compiled to WebAssembly, in a worker; - this computer, with the engine built natively, in the desktop app; - the job service. All three return the same job. The Studio shows it the same way and checks its receipt where it runs. The same request and seed give the same counts everywhere. **The editor** - It highlights OpenQASM and completes the standard gates and the program's own registers. - It marks the engine's diagnostics on their lines. - It draws the circuit and shows the plan as the program is typed. - Ctrl/⌘+Enter runs; Escape cancels. **A result** shows: - its method and why, and its accuracy class; - counts, expectation values, and amplitudes with probability and phase; - the receipt: whose key signed it, checked on this device, and downloadable. The program and the history of runs stay on the device. "Copy link" carries the program in the URL fragment. **The desktop app** (`wai/wai-quantum-desktop`) puts the Studio's build around the native engine. - Each job runs in a worker process, so Cancel ends it and a big job can't take the app down with it. - The worker plans and runs; the app seals with the user's key (the command line's), which never leaves it. - Jobs and programs are saved under `~/Documents/Quantum Studio/`. - `check` runs a job through the worker, seals it and verifies it, with no window. **Also in this PR** - `engine::job` splits into `plan_and_run` and `seal`; `run` is the two together. - wai-quantum-cli gains a library target, so the app can use its key module. **Checked on the build host** - `test/studio.test.mjs` passes every check in Chrome: - lint, draw and plan as the program is typed; - a run in the browser: stabilizer, only 00 and 11, ⟨Z0 Z1⟩ = 1, the receipt verified here and signed by this browser's key; - an unknown gate marked in the editor; - rx(0.3) on the state vector with ⟨Z0⟩ = cos 0.3; - the live service giving the counts run here, shot for shot, with its receipt checked here as the service's; - Ctrl+Enter, and the program and the history surviving a reload; - no console error and no failed request; - no sideways scroll at 390 px. Screenshots of both colour schemes were reviewed. - The desktop app builds clean. `check` passes, with the Bell pair sealed in the app and verified. 2 tests; clippy with warnings as errors. - The engine (45), the command line (6 tests, clippy and `smoke.sh`), the browser binding (4) and the service (18) still pass after the job split. - `scripts/check-lockfiles.sh`. **What CI runs.** `.github/workflows/wai-quantum-studio.yml` builds the engine's browser package, builds the Studio and runs its test, leaving out the live-service step in CI. On macOS it runs the app's tests, clippy and `check`. **Not yet:** signed installers, and the Studio on the site. Both come after this merges. 🤖 Generated with [Claude Code](https://claude.com/claude-code) --- **Closed:** replaced by #363, the same commits cherry-picked onto main (the changelog had diverged), with the assistant added 
The OpenQASM reader moves from the service into the library as
wai_quantum::qasm (feature quantum_qasm). The service, `wai-quantum run --qasm`
and the browser IDE's import now read a program the same way and refuse the
same programs: two registers, broadcast gates and comments read as the
service reads them, where the IDE's line reader dropped what it did not know.

- qasm::dyadic_circuit takes a program whose measurements all come at the
  end, and refuses one that measures and then acts, with the reason.
- quantum_toolchain::from_qasm, the older line reader, refuses what it cannot
  take (more than one register, reset, gate definitions, if/while/for, a gate
  after a measurement, two statements on one line) and names the full reader,
  instead of dropping the line.
- wai-web: the IDE binding builds its JSON with serde_json, so a quote or a
  control character in a program or an error no longer breaks the reply.
  set_signing_key, public_key_hex and key_is_demo let a page sign receipts
  with its own key; without one it signs with the published demo key and
  says so.
- The CLI signs with --key FILE, $WAI_QUANTUM_KEY, or this user's key at
  $XDG_CONFIG_HOME/wai/quantum-key (~/.config/wai/quantum-key), made from the
  operating system's random source with mode 0600 on first use. --demo-key
  keeps the published key, with a note that such a receipt shows the result
  is unaltered, not who signed it.

Co-Authored-By: Claude Opus 5.5 <[email protected]>
The CLI signed every receipt as "did🔑wai-quantum-cli" and the IDE as
"did🔑quantum-ide", labels that name no key. Now that each signs with
its own key, the receipt's signer_id is that key's Ed25519 did:key
(wai::signer_id::did_key), so a verifier reads the signer from the id as
jwp-receipts §7.1 describes. The IDE binding gains signer_did() for the
page to show it.

Co-Authored-By: Claude Opus 5.5 <[email protected]>
wai-quantum 0.6.10: the changelog, the qasm module in the README, the version in every lockfile that pins it
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d8b1d5487a 
Co-Authored-By: Claude Opus 5.5 <[email protected]>
wai-web wasm32 CI: the native unit tests are 35, with the IDE binding's import, JSON and signing-key tests
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38af4dd66e 
Co-Authored-By: Claude Opus 5.5 <[email protected]>
The service's planner (catalog), runner (run) and dynamic-circuit walk
(dynamic) move unchanged into wai_quantum::engine, so every host that runs a
job plans and answers it as the service does. The service keeps what is its
own: HTTP, the job queue and its limits, energy metering, its signed
receipts, MCP and its examples.

- The GPU state vector is behind quantum_sv_metal: without it, the plan
  says the build has none, and the build still compiles for any target.
- The feature reads JSON numbers correctly rounded
  (serde_json/float_roundtrip), as the service always has.
- The test of the service's own examples stays with the service; the
  Grover test, which builds its program with the toolchain, runs where
  quantum_toolchain is on.

Co-Authored-By: Claude Opus 5.5 <[email protected]>
- engine::receipt is the service's receipt form, moved: a result sealed over
  the request and the result in their RFC 8785 canonical text, and checked.
  The service keeps its key file and seals with it; the command line seals
  with the user's key in the same form, and one verify checks both. The
  first receipts' form still verifies.
- A job's noise naming a channel the model does not know is refused with
  the channels it knows (catalog::NOISE_CHANNELS). It was read as no noise,
  so a misspelt channel ran the circuit noiseless.
- quantum_receipt::did_key: an Ed25519 key's did:key, held to the W3C
  method's example, for signers that depend on the library alone.

Co-Authored-By: Claude Opus 5.5 <[email protected]>
wai-quantum-cli: the command line on the job service's engine, installable
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e06e56a488 
A new crate, wai-quantum-cli, whose binary is wai-quantum. It depends on the
wai-quantum library alone, so `cargo install wai-quantum-cli` can install it.

- run: an OpenQASM program planned and run as the service runs it
  (wai_quantum::engine), signed with this user's key; --json prints the job
  as the service returns it. Shots, seed, method, observables, amplitudes,
  noise and method options; an unknown flag or noise channel is an error.
- plan, lint (the line of the first problem), draw (the circuit as text,
  gates packed into columns, conditions in a legend).
- submit: the same job on the service (feature `service`, on by default),
  waiting for a long one.
- verify: a job's receipt from run, submit or the service, and every
  receipt the research tools sign; a changed result is INVALID.
- key: this user's did:key; --key FILE and --demo-key as before.
- methods: each method's reach in a job's memory here.
- mcp: run, plan, lint, draw, verify and the method list for an agent,
  over stdio; runs stay on this machine.
- lab: the earlier wai-quantum command, moved here from wai-rs unchanged
  (wai:: paths now wai_quantum::), its key handling shared with run.
- completions for bash, zsh, fish, elvish and PowerShell.
- Feature `metal`: the GPU state vector on macOS. With no default features
  it builds for wasm32-wasip2.

wai-rs loses the wai-quantum bin and its cli_keys feature. The wai README's
quickstart now uses the new crate. smoke.sh exercises every command, and
.github/workflows/wai-quantum-cli.yml runs the tests, clippy with and
without submit, smoke.sh, and the WASI component against the native build,
byte for byte; on macOS also a run on the GPU.

Co-Authored-By: Claude Opus 5.5 <[email protected]>
wai-quantum engine in a page: one job function for every host, and the engine in the browser
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9d80fb71a4 
- engine::job: a job planned, run, sealed with the host's key and returned
  in the service's form (run), its check (verify), a key's did:key (did_of)
  and a program's lint. The command line now calls these; the browser
  binding calls the same.
- engine::draw: the circuit drawer, moved from the command line.
- The engine runs on wasm32-unknown-unknown: a result there carries no
  elapsed_ms (a tab has no clock std reads), and the cut-rank order search
  runs its seeds in turn where there are no threads, finding the same orders.
- A program that measures in the middle on the state vector is admitted
  with the job's memory margin counted once, as trajectories count it, not
  once per state: two 256 MiB margins had left no room in 512 MiB, and the
  service refused a qubit it could hold.
- wai-web, feature quantum_engine (off by default, for the IDE's bundle):
  QuantumEngine (run, plan, methods, signer_did) signing with the page's
  key, and engine_lint, engine_draw and engine_verify. Tested natively and
  in wasm32 under Node, where a job runs and verifies, a changed result is
  refused, and every method a tab holds runs; wai-web-wasm.yml runs both
  with their counts.
- wai-rs: feature quantum_engine re-exports the engine as wai::engine.

Co-Authored-By: Claude Opus 5.5 <[email protected]>
wai-quantum 0.6.11, wai-quantum-cli 0.1.0: the changelog, the version in every lockfile that pins it
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89c4b20659 
Co-Authored-By: Claude Opus 5.5 <[email protected]>
Quantum Studio: one interface for the browser and the desktop app, on the job service's engine
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135a3d4c42 
wai/quantum-studio is an editor for OpenQASM programs with three places to run them: this browser (the engine in WebAssembly, in a worker), this computer (the engine built natively, in the desktop app), and the job service. Each returns the same job, and the Studio shows it the same way and checks its receipt where it runs. The same request and seed give the same counts in every place.

- The editor highlights OpenQASM, completes the standard gates and the program's own registers, marks the engine's diagnostics on their lines, and draws the circuit and shows the plan as the program is typed. Ctrl/⌘+Enter runs; Escape cancels.
- A result shows its method and why, its accuracy class, counts, expectation values, amplitudes with probability and phase, and a receipt naming whose key signed it, checked on this device, which can be downloaded. The program and the history of runs are kept on the device; a link carries the program in its fragment.
- It takes the host's design tokens (tokens.css when it stands alone) and follows the light and dark schemes.
- test/studio.test.mjs runs it in a browser: lint, draw and plan; a run checked here; an error on its line; any angle; the service giving the counts run here, shot for shot; Ctrl+Enter; the program and the history surviving a reload; no sideways scroll at a phone's width.

wai/wai-quantum-desktop is the app: the Studio's build around the engine natively. Each job runs in a process of its own (the binary as `worker`), so Cancel ends it and a large one cannot take the app with it. The worker plans and runs, and the app seals the answer with this user's key, the command line's. Jobs and programs are saved under ~/Documents/Quantum Studio/. `check` runs a Bell pair through the worker, sealed and verified, with no window.

engine::job splits into plan_and_run and seal (run is both), for hosts that run a job away from their key. wai-quantum-cli gains a library target for its key module, shared with the app.

.github/workflows/wai-quantum-studio.yml builds the engine's browser package, builds the Studio and runs its test, and on macOS runs the app's tests, clippy and check.

Co-Authored-By: Claude Opus 5.5 <[email protected]>
dcharlot closed this pull request 2026-10-20 13:27:30 -04:00
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