Quantum Studio: one interface for the browser and the desktop app, on the job service's engine #362
2026-10-20
Quantum Studio: one interface for the browser and the desktop app, on the job service's engine
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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]>
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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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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- 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-cli: the command line on the job service's engine, installable
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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: one receipt form for every host; an unknown noise channel refused; did_key
- 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: the job service's engine in the library (feature quantum_engine)
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]>
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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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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Co-Authored-By: Claude Opus 5.5 <[email protected]>
wai-quantum CLI and IDE: a receipt names its signer by its key's did:key
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: one OpenQASM reader for the service, the CLI and the browser IDE; receipts signed with the signer's own key
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]>