4 Commits
Author SHA1 Message Date
pj 9fb121e9d0 correctness fixes from the first real folio dispatch, and spec authoring skills (#82)
* docs: add the apache 2.0 license text

package.json has declared Apache-2.0 since the first release and .goreleaser.yaml
globs LICENSE* into the archives, so that glob has been matching nothing. npm
only picks up a license from the package directory, hence the copy under
pkg/spec.

* fix(sidecar): close the soft keyboard after typing on android

* test(sidecar): pin the guarded ime dismissal

* fix(sidecar): treat a failed ime probe as no keyboard open

* ci(folio): let the ios leg clear state for itself

* ci(folio): drop the stale frontboard note from the ios job

* docs(ci): record what the ios calibration assumes and where it was measured

* fix(ios): replace the session when a launch blows its bound

a launch the simulator refuses is never reported: xctest records it as a test
failure the runner cannot see, then holds the session's main thread for about
four minutes on a diagnostic chain. so the only signal is the expired bound,
and every later call queues behind the same wedge. restart the session once and
launch again, bounded so the launch path stays inside testrun's backstop.

* test(ios): cover the session replacement a wedged launch needs

* fix(ios): share one deadline across the restart and the second launch

the recovery a blown bound triggers now costs at most launchRecoveryTimeout
whatever it spends it on, so the launch path tops out at 150s and testrun's
three minute backstop stays a backstop.

* test(ios): the restart a blown launch triggers has to be bounded

* docs(ci): the ios leg does not convict on the runner, and a seed cannot fix it

seed 28 reproduced its walk on macos-15 and reached the bug at the step it
convicts at locally. it still could not be judged: the run did not return
home between step 19 and step 136, so the counting invariant saw a rise of
15 against a window of 37 submits.

* docs(sidecar): record why the stale ime flag stays out of reach

* test(folio): add commonTest source sets to core and shared

* fix(folio): reject amounts parseCents cannot represent

* fix(folio): cap a transaction at one million dollars

* test(spec): give the fake dom a real tree and a walking querySelectorAll

* style(sidecar): make ktlint clean, formatting only

ktlint -F over every kotlin file except DriverBackend.kt, then hand
fixes where the reflow read worse and for the long lines ktlint cannot
break. No behaviour changes.

DriverBackend.kt is left untouched to avoid a conflict with concurrent
work; its three over-long lines still fail fmt-kotlin.

* fix(spec): deepQueryAll returns matches in document order

* ci(folio): say what the android gate found, not why

The gate proves only that AddTransactionScreen is absent from the trace.
Claiming the run never got past login was an inference it cannot make: the
run that produced it had logged in and was stuck on the new account screen.
Name the routes the trace does record instead.

* test(runner): a relaunch must not convict the submit counting property

* test(browser): compare ax.find across both hosts on one page

* test(spec): name the shadow match in the grammar both hosts parse

* ci: move every action off the node20 runtime

checkout v4->v7, setup-go v5->v7, setup-node v4->v7, setup-java v4->v5,
upload-artifact v4->v7, cache v4->v6, upload-pages-artifact v3->v5,
deploy-pages v4->v5, setup-chrome v1->v2, setup-android v3->v4,
goreleaser-action v6->v7. setup-bun and android-emulator-runner are
already node24; buf-setup-action stays on its deliberate SHA pin.

setup-chrome v2 resolves stable from Chrome for Testing rather than the
official installer, so the ci.yml comment about the action's default no
longer held.

* feat(verifier): report a relaunch on state.lastAction

* test(verifier): pin the relaunch field on both hosts

* fix(runner): keep the action the app was relaunched after

* test: pin that a nested undefined does not survive the wire

* fix(folio): uninstall before installing in just ios

folio's signed-in session lives in the data container, which an install
over the top keeps, so a local run started right after just ios opened on
the previous run's Home screen and diverged at step 1. On CI's fresh
simulator the uninstall is a no-op, so the ios leg is unchanged.

* style(sidecar): bring the last three lines under the line limit

* fix(ios): the runner must not answer ok for a launch that failed

XCTest records a refused launch as a test issue that never throws, so the
companion returned ok for an app that never started. Check the state the
app actually reached and report the refusal instead.

* test(ios): a refusal the runner names costs no session restart

The session restart is for a launch that never answers. A launch that
reports the app's state has already said what a fresh session would.

* fix(folio): attribute a created account by its whole key, not a suffix

createdAccountHasNonZeroBalance matched the created card with endsWith, so
an older account whose name ends with the typed one ("Emergency Fund" for a
typed "Fund") was judged instead whenever the new card was clipped out of
the reading. Build both keys the card can carry, the plain name and web's
initials + name, and compare them whole.

* fix(hierarchy): object selectors resolve by the same rule as string ones

* test(verifier): both ax.find selector forms resolve the same element

* test(browser): the cross-host fixture uses the object selector form

* fix(replay-ui): wrap the tab strip so its last tabs stay clickable

* test(replay-ui): drive the fuzzer onto a violating step with a panel

* feat(folio): judge a submit against the account's own balance

The counting invariant can only close its window on Home, and the iOS run
in #78 went 117 steps between two Home readings: 37 submits against a rise
of 15 transactions is no evidence about the double tap sitting inside it.
The ledger and the add-transaction screen both show the account's own
balance, and an accepted submit pops back to the ledger, so a window
bounded by those readings holds one action.

The bound is an upper one: a balance that has not moved is a commit still
in flight, a rejected submit or a tap that never landed, and none of those
is a violation. Moving by more than the one submit in the window typed is.

* test(runner): an overlay dismissal must not convict the counting property

* docs(runner): point the guard comment at the renamed test

* docs(replay-ui): name the viewport the tab overflow was measured at

* feat(folio): close the submit window on the account's own screens

submitCommitsOneTransactionPerAction now states its rule over two windows:
the Home counts it already compared, and the account balance the ledger and
the add-transaction screen redraw on nearly every frame of the transaction
flow. Same rule, and the second window is usually one action wide.

* fix(sidecar): reach the adb server the environment names

buildDadb hardcoded localhost:5037, so a serial-addressed device always
resolved through this machine's adb server and ADB_SERVER_SOCKET was
ignored. Read the endpoint the way the adb CLI does instead.

Fixes #79

* test(sidecar): pin the adb server endpoint parsing

* fix(sidecar): close a keyboard standing in the snapshot

A tap on a text field raises the keyboard and nothing closed it, so the
tree the picker chooses from was missing every app node underneath it,
the submit control included. Close it before the read rather than after
the tap: the picker only ever sees snapshots, and the keyboard is still
on its way up when the tap returns.

Fixes #78

* test(sidecar): pin the tree-guarded keyboard dismissal

* chore(make): a target that runs folio's unit tests

* chore(folio): a just recipe for the unit tests

* ci: run folio's unit tests on every pr

* ci: switch to jdk 21 only for the folio step

* docs(sidecar): put the measured read cost in the dismissal bound

* fix(folio): decline the two demanding properties across a relaunch

The runner now keeps lastAction and marks it relaunched: true where it used
to report nothing at all, so the two properties that demand an effect judge
a step whose process may have died before the write landed.
submitChangesBalanceByTypedAmount and createdAccountHasNonZeroBalance both
decline there. The counting bound does not: a relaunch cannot manufacture a
transaction, and the submit is counted, so declining would throw away the
detection the runner fix restored.

* docs(folio): say why the merged card key cannot be made injective

Folio rejects a duplicate account name, so the twin the drop rule guards
against is two names the web key cannot tell apart, not two accounts
sharing a name. State what closing the rest would cost and what the tree
would have to carry to close it properly.

* test(folio): pin that two accounts can render the same card text

The proof behind the comment: "Travel1" holding 25 transactions and
"Travel12" holding 5 merge to the same string, so no identity key read off
a web card can tell them apart.

* fix(sidecar): bound the diagnostic adb reads

adbOutput and readLogcat read to EOF and then waited with no timeout, so
a wedged adb held the step for as long as it liked; one stall over a
remote adb server measured ~100s. The bound has to sit on the read, not
on waitFor: a wedged adb never reaches EOF, so a bounded waitFor after
the read is a line that never runs.

* test(sidecar): pin the bound on a wedged adb read

* fix(sidecar): an unreadable animation count is not idle

Defaulting the count to zero made a dumpsys that said nothing mean
nothing is animating, so a degraded link broke out of the settle early
and handed the runner a frame caught mid-animation. Unknown now waits,
inside the deadline waitForIdle already holds.

* test(sidecar): unknown animation state must not read as idle

* fix(folio): stop spending the submit budget on taps the app refused

The window is an upper bound on the transactions an interval could hold, and
a bound inflated by taps that commit nothing is a bound the app can never
exceed: #78 read a rise of 15 transactions against 37 submits. TxnSubmit is
clickable(enabled = amount.isNotBlank()) and parseCents refuses anything its
regex misses, so a tap whose landing frame shows a refused amount cannot have
committed. Over four recorded android runs that is 19, 11, 25 and 25 of 35,
26, 42 and 42 submit taps.

A relaunch is excepted: a fresh process draws an empty field whatever was
submitted.

* feat(folio): read the amount field into every submit window

Each of the three windows asks whether the tap could have committed, off the
field as the landing frame shows it.

* fix(sidecar): a foreground read that fails degrades the typing guard

An unreadable dumpsys passed a null owner to typeChunks, which switches
the mid-type focus guard off outright and lets the rest of the string
spray into whatever holds the foreground. Fall back to the launched
bundle instead: the guard stays armed, typing still happens, and the
degradation is said out loud rather than assumed away.

* test(sidecar): pin the degraded typing guard both ways

* test(runner): answer Snapshot and Hierarchy off one tree in the fakes

* feat(runner): skip a step whose tree changed between two reads

* test(runner): cover the reread's cost to the existing snapshot rules

* fix(ios): clear app state before the automation session attaches

New performs the clear-state reset, so the uninstall and reinstall no
longer land underneath a live XCTest session that is already bound to
the app. Launch refuses a clear-state request the driver was not built
for rather than reinstalling under its own session.

* fix(ios): the device path clears before its runner session too

* fix(testrun): thread clear-data into the ios drivers

* test(runner): a skipped step must not swallow the action before it

* fix(runner): hold the action back on a step nothing verified

* refactor(runner): drop the empty branch from the hold path

* docs(runner): describe both modes of the composing test driver

* fix(sidecar): erase a field by selecting it, not one delete per character

maestro's eraseText sends one delete per character through its
instrumentation, measured 29.6 ms/char on the API 34 emulator. The
4096-character string the corpus types cost ~121s to clear, a fifth of a
20 minute run spent on one step, and it recurred every time that field
was typed into again.

Select the content and delete the selection instead: two key events at
any length, measured 0.15s to 1.16s for 4096 characters across API 34,
35 and 36. The result is read back off the tree, and a field that is not
empty, or that the tree cannot report on, is finished off per character
in batches rather than assumed clear.

Fixes #80

* test(sidecar): pin the constant-cost erase and its residue check

* fix(sidecar): find the erased field by class, past the keyboard's own focus

The check that decides whether the select-all worked looked for an
"editable" attribute maestro's tree does not carry, so it answered
"cannot tell" every time and every erase paid the per-character
fallback. Worse, an open keyboard puts a second focused node in the
tree, one of the IME's own keys, carrying no text: taking the first
focused node would read a field still holding 4096 characters as empty,
which is the one answer that stops the erase early.

Match the text field by class instead. Measured against the real
backend, 4096 characters now clear in 385ms on API 34, 409ms on API 35
and 870ms on API 36, verified empty, where the fallback took ~4s.

* test(sidecar): use the tree the device really returns

* docs(ci): the android step number describes a local emulator, not ci

the leg disables animations and the number was measured with them on. the
first real dispatch carries 4 transitional steps over 200, so the cross-fade
wait does still fire in ci, just far less often.

* fix(android): say what the sdk lookup checked, not just to set ANDROID_HOME

* fix(doctor): resolve adb and emulator the way a run does

* docs(cli): the android doctor checks are not path-only

* fix(testrun): preflight resolves adb through the sdk, not just PATH

* docs(skills): add a spec review skill and the skills index

* fix(testrun): report a sidecar that dies at startup as the exit it was

* test(testrun): cover the sidecar shutdown path after an early exit

* docs(skills): add a property patterns catalogue skill

* fix(folio): bound the total-balance move instead of demanding it exactly

The write finishes before AddTransactionViewModel navigates, but nothing
establishes that Home's total has re-rendered before the frame is read, and
an equality convicts a healthy app for a total one frame behind. A delta of
zero is exactly the shape nine of the eleven measured android false
convictions had. 2x still exceeds x, so all four recorded convictions
survive, checked against the traces.

The trade is real: a balance that moves by LESS than the amount typed is no
longer judged anywhere in this spec.

* docs(folio): say what property 2 demands now that it is a bound

* docs(skills): add a spec authoring skill

covers hooks, extractors, selectors, properties, actions and the order to write them in, with a complete sample spec that typechecks against the real export surface.

* docs(skills): ground the property patterns catalogue in the merged specs

* docs(skills): name the selector keys that still substring match

* docs(skills): add a setup skill for adopting sanderling

* docs(skills): add a run triage skill

* docs(skills): point the setup skill at its siblings

* docs(manual): correct the flags the cli reference gets wrong

--launcher-activity does not exist in cmd/sanderling/main.go. --device,
--android-app-path and --arm do and were undocumented. runs.md still listed
--max-steps and --exit-on-violation as unshipped, and described --clear-data
as opt-in when the default is already true, contradicting itself ten lines on.

* test(folio): pin that a commit stays in the window until Home reads it

The interaction that keeps a stale Home card list from ever banking counts
the budget has already forgotten: a submit lands on the ledger, so the
reading that resets the window is a whole action later and the submit is
still in it. Characterization, not a regression: no code changed and it
cannot go red first.

* docs(folio): record why a banked card reading can be trusted as current

The freshness rule rests on the app popping one entry back to the ledger,
not on anything the frame carries, so the assumption and the measurements
behind it belong next to it.

* refactor(folio): name the balance property for the bound it asserts

it stopped being an equality and became |delta| <= typed, so the old name
demanded more than the property does. renamed with the ci gate's
GATED_PROPERTIES in the same commit so the gate never sees a name it does
not know.

* fix(android): a refused uninstall must not pass for clear-state

adb uninstall answers Failure [DELETE_FAILED_INTERNAL_ERROR] both when the package was never installed and when it refuses to remove one, so the failure text cannot say which happened and the old code installed over the top either way, keeping the data clear-state was asked to drop. Ask pm path instead, and fall back to pm clear when the app is still there.

* fix(ios): a failed simctl uninstall must fail the reinstall

simctl install over an installed app carries its data container across, so discarding the uninstall error reported a clear-state that never happened. Uninstalling an app that is not installed exits 0 on a booted simulator, so every failure here is a real one.

* fix(ios): a failed devicectl uninstall must fail the reinstall

same hole as the simulator path: devicectl install over an app keeps its data, and the discarded uninstall error hid it. Uninstalling a bundle id that is not installed exits 0 with 'App uninstalled.' on a paired iPhone, so a failure here is always real.

* docs(android): say why the uninstall text cannot be read

* test(android): name the uninstall failure for what it says, not why

* docs(ci): the ios leg convicts on the runner now, and why it did not before

* docs(ci): the cross-fade wait does not fire on ci, say so

* fix(runner): a bounded hold puts the swallow back one step later

the hold carries one action; letting the runner act again while the verifier
is still skipped overwrites it, so the carried action reaches no spec. hold
for as long as the verifier is skipped, and settle on a held step so the
reread pair is not tighter than the window the detector was measured over.

* test(runner): pin what the two reads are compared on

structuralShape excluding text and bounds is the decision separating this
feature from a run that verifies nothing, and only prose held it. adding
either field back now turns a case red.

* fix(ci): close shell injection into the npm publish job

A refname is attacker-controlled and git permits backtick, $, (, ; and |
in it. Three sites substituted it into a run: block, and NODE_AUTH_TOKEN
sat at job level, so a pushed tag ran arbitrary commands with the publish
credential in reach.

The tag now goes through env:, is validated against an anchored version
pattern before anything consumes it, and reaches the other jobs as a job
output. The token is scoped to the publish step. release-npm declares
contents: read instead of inheriting the repo default.

* fix(ios): recognise every shape a blown launch bound arrives in

The runner transport reports a blown budget two ways, its own comment says
so: the context's error once cancellation has landed, and the connection's
i/o timeout when the deadline armed from that context fires first. The
legacy transport reports it as a gRPC status. errors.Is against
context.DeadlineExceeded only matches the first, so the session restart
never fired for the other two and a wedged session stayed wedged.

* test(ios): drive the launch recovery with what the transports return

The wedged-session fake answered with ctx.Err() raw, which is the one
shape the guard already matched. The recovery now runs against the error
each transport really produces for the same expiry, taken from a runner
and a legacy companion that never answer.

* test(runner): pin both guard writes to what the spec reads

deleting lastAction.Relaunched or lastAction.Applied left the whole suite
green, so the only producer of the two fields every spec-side guard reads
had nothing holding it. both now assert the value out of the trace.

* fix(testrun): a run that judged nothing is not a green run

every step skipped means no property ever evaluated, so no violations is the
absence of a verdict rather than a clean one. the hold makes that reachable
now, so the run says it instead of exiting 0.

* fix(ios): stop the app before clearing its state

Launch terminated and then cleared; the clear moved to construction and
left nothing stopping the app first. The container wipe deletes files a
live app still holds open, and the CI ios leg passes no app path so the
wipe is the path it takes. simctl stops it, since the clear now runs
before any automation session exists. On a device the uninstall that is
its only clear takes the running app with it.

* test(ios): pin the stop that has to precede a clear

The ordering probe now records the stop, and a scripted xcrun holds what
reaches the tool: terminate before get_app_container, with the previous
run's files gone after. A simctl terminate that finds nothing to stop
still leaves the clear a success.

* docs(spec): an unbounded eventually is violated at run end

* docs(skills): an unreached eventually convicts at run end

* docs(skills): noUncaughtExceptions only fires on web

* fix(ios): a device clear-state that cannot happen must fail

--clear-data on a physical device with no --ios-app-path warned and then
ran anyway, so the run started on the previous run's data while the flag
said it started clean. There is no data-container wipe on a device, so
there is nothing to fall back to.

* test(ios): a device clear-state without an app path ends the run

* docs(skills): the stock properties each cover one platform

* docs(ci): the balance property demands a bound, not an equality

* fix(ios): the clear-state guard checks the bundle that was cleared

A bool only said that something was cleared, so Launch(ctx, otherBundle,
clearState=true) passed the guard and reported a reset that had reached a
different app. Record what was cleared and compare against the bundle
being launched.

* test(ios): a clear-state launch for an uncleared bundle is refused

* docs(manual): the flagship property is a bound, and say what that costs

* fix(ios): one address picker for every bring-up

bringUpRunner reads the picker from a field, and NewDevice only ever set
the device one, so a device driver that reached bringUpRunner would call
nil. The two fields held the same function; keeping one leaves no path
that can be wired without it.

* test(ios): a device driver can bring a runner up

* docs(skills): both shipped balance forms are bounds now

* docs(skills): name the balance predicate that still exists

* docs(skills): quote the doctor the binary actually prints

* docs(skills): screen= is the chrome driver's url, web only

* docs(skills): substring selector matching is native only

* docs(skills): web selectors are exact, native ones are substrings

* fix(ci): a run that wrote no trace is not evidence about folio

run_dir is empty when the run produced no output directory, and the
fallback made trace ./trace.jsonl. A stray trace in the working directory
was then read as this run's, so a run that wrote nothing reported 'found
the submit bug' and exited 0, defeating the missing-trace check below it.

* fix(ci): fail folio when a gated property is not in the spec

Nothing tied GATED_PROPERTIES to the spec it gates. Renaming a property
left the classifier matching nothing: ios and web blamed the spec for
finding a different bug, and android silently reclassified a real
conviction as 'judging health only' and stayed green.

replay-ui-summary.sh already makes this check for its own list. The spec
path becomes SPEC-overridable the same way, so the check is testable.

* test(ci): cover the folio classifier's verdicts

21 cases through a stubbed sanderling: every exit path, the drift check,
a missing trace, a zero-byte trace, an empty glob and a truncated line.
Asserts the flags that reached the binary, not just the exit code.

Invoked as bash -eo pipefail -c, which is what a run: block does. Running
folio-run.sh itself under -e would kill it at the first non-zero
sanderling test, which is the exit code it exists to read.

* docs(skills): defaultActions bundles five of the eight generators

* test(ios): name the picker test for what it covers

* docs(skills): three of the replay-ui properties are cross-panel

* docs(manual): state.exceptions is web only and reportError does not exist

* fix(folio): the bound carries no unconfirmed-submit guard

deleting confirmedApplied here broke 0 of 355 tests: under a bound a submit
that may not have landed moves the balance by 0, which the bound already
permits, so the guard could only ever drop the double commit it exists to
catch. the relaunch guard stays for a reason the bound does not cover, and
both tests now assert a verdict that changes when their guard does.

* docs(ci): three of the replay-ui properties are cross-panel

* docs(manual): the starter property only fires on web

* test(folio): judge the conjunct on the landings a real run produces

three of the 18 frames the recorded ios run drove it down, each with the
second commit the bound is there to catch. neutering the comparison reddens
it: a second commit on 357900 went unjudged.

* test(folio): the walk drives the composition the spec runs

countSubmitsInWindow never saw an amountText here, so every walk test counted
submits the app must have refused. with the field passed, a refused submit no
longer buys a later double tap an alibi: without it the window reads 3, not 1.

* docs(folio): say which double submit the conjunct can see, and which it cannot

the home landing is the counting invariant's, three of three in the recorded
ios run; this one gets the interleaving whose second pop is cancelled. it is
still the only judge on the 18 ledger landings that run produced.

* docs(folio): the narrow window is not where the detection comes from

the double taps land on home, so the counting form convicts them; what turned
0 convictions into 4 on the recorded ios run is submitCouldCommit, which drops
the windows at those three steps from 5/4/7 to 2/1/2.

* docs(skills): folio drives three platforms from one spec

* fix(folio): an amount over the app's cap spends no window budget

the corpus reaches TxnSubmit with 999999999999999999999, AMOUNT_REGEX takes it
and AddTransactionViewModel refuses it against MAX_TRANSACTION_AMOUNT_CENTS, so
counting it was budget a double submit could hide behind.

* docs(folio): say which form judged one step, not which node was read once

* docs: a bound still needs the relaunch guard, and eventually does convict

* fix(sidecar): the hierarchy rpc serves the tree the snapshot reads

the runner compares the two per step, but snapshot settles and closes a
keyboard while hierarchy was a bare contentDescriptor. measured on emulator
-5556 (api 34) with an ime open: 489 nodes against the snapshot's 134. both
now come off snapshotTree under the same lock; the reread still costs ~75ms
when no keyboard is up.

* docs(runner): say what makes the two reads comparable

the reread's comment claimed the round trip was the only interval between
them; what it left out is that the two rpcs have to read the same way, which
the repo's own android backend did not do.

* refactor(runner): name the settle predicate for what it means

* ci: add a headless-chrome composite action

The setup-chrome / apparmor sysctl / launch-check trio is copied across
three jobs. The old comment described setup-chrome v1 semantics: under v2
stable is the default and the alternative is Chrome for Testing latest,
not a dev Chromium, so it is restated for what the pin actually does.

* ci(examples): add the folio setup actions

folio-app holds the per-platform toolchain and app build, so a caller
guards one step instead of eight. folio-simulator boots the simulator,
installs folio and leaves the app stopped.

* ci(examples): add the replay-ui fixture action

Records a trace and serves it with sanderling replay. The step page URL
is a composite output rather than GITHUB_ENV, so it is scoped to the one
step that drives it.

* ci(examples): one dispatch workflow for every example

folio.yml and replay-ui.yml ran the same operation: build sanderling for
a platform, bring a target up, run a spec against it, classify the trace,
upload the run. They are now one matrix over four examples, each naming
its own runner.

The job is named for what it fuzzes. 'dogfood' named why we run it, not
what runs, the same error as a diagnostic that reports a motivation
instead of an observation.

The matrix is computed by a plan job because jobs.<id>.if cannot read the
matrix context, so a static matrix has no way to leave a leg out. Seeds,
budgets, timeouts, runners and artifact names are unchanged.

* ci: reuse the headless-chrome action in the browser job

Same three steps the examples workflow needs, and the comment explaining
the AppArmor sysctl now lives in one place.

* ci: move the folio jdk step to setup-java v5

The only setup-java left on v4; every other one moved.

* ci: pin third-party actions to commit shas

buf-setup-action was already pinned with a comment saying why; the other
five rode mutable major tags, so a tag move is an unreviewed change to
what runs. Each major currently resolves to the release named in the
comment, so this freezes today's behaviour rather than changing it.

actions/* stay on major tags: they are first-party to the runner.

* ci(replay-ui): name the run directory for what it fuzzes

runs/dogfood and the '### replay-ui dogfood' heading carried the same
naming error as the job name: dogfooding is why the run exists, not what
it fuzzes.

* docs(driver): state the log level scale on LogEntry

Claude-Session: https://claude.ai/code/session_01ShuAy8q8ZfPi8KHxwc8JpQ

* docs(sidecar): name the device the node counts came off

* fix(chrome): keep a log entry the level scale cannot rank

Claude-Session: https://claude.ai/code/session_01ShuAy8q8ZfPi8KHxwc8JpQ

* fix(chrome): record console levels on the logcat scale

Claude-Session: https://claude.ai/code/session_01ShuAy8q8ZfPi8KHxwc8JpQ

* docs(ci): say why upload-pages-artifact needs no include-hidden-files

v3 to v5 crossed v4's change to exclude dot-files. build/site has none,
so nothing was dropped, and the underscore directory is not hidden.

* test(browser): drive a console error through to the spec

Claude-Session: https://claude.ai/code/session_01ShuAy8q8ZfPi8KHxwc8JpQ

* docs(ioscompanion): name the vacuity behind the empty log slice

Claude-Session: https://claude.ai/code/session_01ShuAy8q8ZfPi8KHxwc8JpQ

* ci: run the folio classifier's test in make test-ci-scripts

* fix(chrome): keep the message of an object console argument

Claude-Session: https://claude.ai/code/session_01ShuAy8q8ZfPi8KHxwc8JpQ

* test(browser): cover console.error with an error object

Claude-Session: https://claude.ai/code/session_01ShuAy8q8ZfPi8KHxwc8JpQ

* feat(spec): let the runner install state.logs in the page

Claude-Session: https://claude.ai/code/session_01ShuAy8q8ZfPi8KHxwc8JpQ

* feat(verifier): encode state.logs for the web host

Claude-Session: https://claude.ai/code/session_01ShuAy8q8ZfPi8KHxwc8JpQ

* feat(chrome): install the step's logs in the page

Claude-Session: https://claude.ai/code/session_01ShuAy8q8ZfPi8KHxwc8JpQ

* test(ci): pin three real folio traces from run 31902501859

ios convicted on submitCommitsOneTransactionPerAction, web on both gated
properties, android ran its full 200 steps healthy. Every step is kept;
of each step only step, violations, witnesses and residuals survive.

hierarchy is replaced by the quoted "...Screen" resource ids it held, in
order. It cannot just be dropped: it is 95% of the bytes and also the
only place the android route gate's grep can match, so dropping it flips
that leg from healthy to 'never reached'. 8.4MB to 59KB.

* test(ci): drive the classifier over the real traces

Four cases on real data: each leg's real verdict, plus the android trace
cut before it reached the transaction screen, which is what proves the
route gate reads a real hierarchy dump.

Also corrects the hand-written fixtures. They set is_error to false on a
plain violation; internal/trace/writer.go tags that field omitempty, so a
real trace omits it entirely. Harmless to the classifier, but a fixture
that does not look like reality is the thing that hides drift.

* test(runner): teach the web fakes to take the step's logs

Claude-Session: https://claude.ai/code/session_01ShuAy8q8ZfPi8KHxwc8JpQ

* fix(runner): install the step's logs before the page extracts

On web every extractor reading is replaced by the one the page computed,
and the page answered logs: [], so noLogcatErrors counted an empty array
however full of errors the console was.

Claude-Session: https://claude.ai/code/session_01ShuAy8q8ZfPi8KHxwc8JpQ

* test(runner): cover the logs reaching the page and failing to

Claude-Session: https://claude.ai/code/session_01ShuAy8q8ZfPi8KHxwc8JpQ

* test(spec): cover the host pushing state.logs into the page

Claude-Session: https://claude.ai/code/session_01ShuAy8q8ZfPi8KHxwc8JpQ

* test(browser): drive console.error through to a fired property

Claude-Session: https://claude.ai/code/session_01ShuAy8q8ZfPi8KHxwc8JpQ

* fix(runner): report a log fetch the driver could not make

The comment claimed the failure was warned about; nothing warned, so a
device whose log fetch failed every step held noLogcatErrors on evidence
nobody collected.

Claude-Session: https://claude.ai/code/session_01ShuAy8q8ZfPi8KHxwc8JpQ

* test(runner): cover the silently dropped log fetch

Claude-Session: https://claude.ai/code/session_01ShuAy8q8ZfPi8KHxwc8JpQ

* fix(ci): read the route the spec reports, not the hierarchy dump

The android health gate grepped the trace for "AddTransactionScreen",
which occurs in exactly one place: the hierarchy dump, as a resource-id.
That is a debug artifact standing in for a fact the spec already reports,
and it was wrong in both directions. Against the real 8.4MB trace with
hierarchy stripped, the old gate failed a healthy 200-step run; against a
trace carrying the marker on a transition frame without the route ever
being reported, it passed and called it healthy.

It reads extractor_changes.route now, whose values come from SCREENS in
the spec, so the gate and the app agree on what being on a screen means.
routeOf answers null on a frame showing two screens, which is exactly the
frame the marker was matching.

The drift check grows to cover both new names: extract("route") and the
SCREENS key. The fixtures are re-derived keeping the route entry and no
hierarchy at all; the full artifacts and the fixtures give byte-identical
verdicts, which is what proves the coupling is gone.

Script and fixtures move together: either alone leaves the suite red.

* ci: check that the workflow references resolve

actionlint reads a local action's inputs but never checks its path
exists: uses: ./.github/actions/typo lints clean and fails only when the
job runs. Covers composite action paths, make targets including the ones
the examples matrix builds from $SANDERLING, and the scripts a run: step
invokes plus their executable bit.

Fails when it parses fewer references out of a file than that file
mentions, because a checker that matches nothing reports a safety it
never looked for.

* ci: lint the workflows on every pr

The workflows that fuzz the examples are dispatch-only, and GitHub will
not dispatch a workflow that is not on the default branch, so their first
real run is after merge. actionlint and the reference checker are the
only things that can fail before that.

actionlint is pinned by commit, and its tool version is pinned too so a
new release cannot change what CI enforces.

* ci: collapse the four workflows into one

Nine jobs written out one by one, each with its own steps and its own
calibrated seed and budget as literals. Triggers are pull requests, master
and v* tags, and a dispatch with no inputs.

Claude-Session: https://claude.ai/code/session_01ShuAy8q8ZfPi8KHxwc8JpQ

* ci: inline the two composite actions with one caller each

Both existed to give the matrix a per-target hook. folio-app and
headless-chrome stay: three and three callers.

Claude-Session: https://claude.ai/code/session_01ShuAy8q8ZfPi8KHxwc8JpQ

* ci: check that no run: block interpolates an expression

A ${{ }} lands in the script text before bash reads the line, and
actionlint only flags the contexts it already knows are attacker
controlled. Nothing enforced the rule the workflow follows. Also drops the
matrix table lookup, which has no table to read now.

Claude-Session: https://claude.ai/code/session_01ShuAy8q8ZfPi8KHxwc8JpQ

* ci(folio): name the run, not the fuzzer, in the clean-run message

Claude-Session: https://claude.ai/code/session_01ShuAy8q8ZfPi8KHxwc8JpQ

* docs: point at the workflow that holds the release secrets now

Claude-Session: https://claude.ai/code/session_01ShuAy8q8ZfPi8KHxwc8JpQ

* ci: name every job Category (variant), and gate the lot on one check

Follows the convention in antithesishq/bombadil: the display name is what
groups a run in the Actions UI, so Check (tests), Check (browser),
Check (workflows), Folio (android), Folio (ios), Folio (web), Replay UI,
Release and Docs. Every job carries a name, so none of them falls back to
its kebab-case id.

All checks passed needs all nine and runs with if: always(), so branch
protection has one check to point at and a skipped job cannot read as a
pass. Release and docs now gate on startsWith(github.ref, 'refs/tags/v')
alongside master, which is the form the trigger filter already uses.

Claude-Session: https://claude.ai/code/session_01ShuAy8q8ZfPi8KHxwc8JpQ

* ci: split the release job back in two

Collapsing them left the npm publish steps in a job holding contents:
write, because GoReleaser needs it, so npm ci ran its dependency lifecycle
scripts with a write-capable GITHUB_TOKEN in reach of the same job as a
live NPM_TOKEN. Release (npm) is back on contents: read and Release (cli)
keeps contents: write, which is what they each had before.

Each validates the tag from its own copy of the pattern rather than
waiting on a job that exists only to pass a string. Release (cli) is tags
only: there is no CLI to cut on a merge.

Claude-Session: https://claude.ai/code/session_01ShuAy8q8ZfPi8KHxwc8JpQ

* ci: run folio on pull requests

folio was skipped on pull requests, so ios, android and web only ever ran
after a merge. The three legs are 3 to 19 minutes and run in parallel, and
a superseded pull request run already cancels itself.

Claude-Session: https://claude.ai/code/session_01ShuAy8q8ZfPi8KHxwc8JpQ

* ci: draw each group as its own box in the run graph

The run graph boxes jobs together when they share the same dependencies and
the same dependents. All ten jobs fed only all-checks-passed, so all ten drew
as one pile. A gate per group gives each group a dependent that is exactly
that group.

Release and docs now need the checks, which they should have all along: npm
publish and the pages deploy ran on a merge without waiting for the test job.
Folio stays unblocked so a 20 minute leg does not wait on a 3 minute one.

Claude-Session: https://claude.ai/code/session_01ShuAy8q8ZfPi8KHxwc8JpQ
2026-08-16 13:23:53 +05:30
pj 6b0d6cb971 WIP: Drive physical Android devices over USB (#67)
* feat(sidecar): reach USB devices via the adb server by serial

* feat(test): add --device flag to target a specific Android device by serial

* feat(folio): select Android device via ANDROID_DEVICE in justfile

* feat(conformance): add android backend to the gate suite

* feat(android): keep device awake and unlocked so the app stays foreground

* feat(conformance): prep physical android device (autofill/verifier/stayon)

* fix(android): make device prep best-effort so OEM-blocked commands don't abort the run

* fix(verifier): require positive bounds for swipe candidates

A zero-bounds element centers at (0,0); a downward swipe from the
top-left corner is the system gesture that pulls down the notification
shade, dragging the fuzzer out of the app. Swipes now require positive
bounds like every other verb.

* fix(runner): harden app-scope guard against launcher and overlays

The per-step guard now relaunches and waits until the app window is
actually drawn before proceeding, so a slow physical-device relaunch no
longer lets an observe or action land on the launcher. It also detects a
system overlay (notification shade) stealing window focus while the app
stays resumed, and dismisses it with back.

* feat(android): harden physical-device runs in device prep

Device prep now disables the AOSP cached-app freezer, phantom-process
killer, and Doze (and exempts the driver) so OEM background management
stops suspending the driver mid-run. Adds ReinstallApp for clear-state on
ROMs that deny pm clear, and teaches focus detection to report the
notification shade as systemui so the scope guard can dismiss it.

* feat(driver): clear-state via APK reinstall when pm clear is blocked

When an APK path is set, Android clear-state resets the app by
uninstalling and reinstalling instead of asking the sidecar to pm clear,
which hardened OEM builds (ColorOS) deny even to the adb shell user.
Falls back to the sidecar clear path when no APK path is provided.

* feat(cli): add --android-app-path for clear-state reinstall

Wires the APK path from the test command through to the sidecar client so
Android clear-state can reset apps on OEM builds that deny pm clear.

* chore(folio): pass --android-app-path in just test

* fix(runner): clamp swipe/scroll origin out of edge gesture zones

A gesture starting in the top status-bar strip pulls down the
notification shade; the bottom and side strips are the home and back
gestures. Any of them drags the fuzzer out of the app. Swipe and scroll
origins are now clamped into a safe inner area sized from the maximum
element extent (the Android hierarchy root reports zero bounds, so the
extent is the reliable screen size). Calibrated on device: origins below
~7% of height no longer open the shade.

* perf(sidecar): faster Android text input and drop redundant settle poll

inputText now uses adb `input text` for short shell-safe ASCII (~5x
faster than the driver's per-character path) and falls back to the driver
for unicode, injection payloads, and overflow-length strings. waitForIdle
drops the structural-hash poll that followed waitForAppToSettle: each
hierarchy fetch is ~500ms on a physical device, so it cost ~2.8s per
mutating step for marginal benefit, and the runner already re-fetches
transitional frames. Cuts p95 step latency from ~6.5s to ~5.1s; G1-G4
still pass.

* fix(verifier): exclude soft-keyboard region from action candidates

The fuzzer was tapping Gboard's "Settings" key, navigating out of the
app. That key is a bare FrameLayout with a content-desc and no package or
resource-id, so the package-based scope filter missed it. Candidates whose
center falls in the keyboard region (derived from the IME elements' bounds)
are now dropped, so no tap or long-press lands on a key. Opt-in with app
scoping; unscoped runs keep every node.

* perf(runner): replace focus-tap settle with a brief wait

The full WaitForIdle after a field-focus tap cost ~0.5-1s per InputText
step on a physical device while the keyboard animated in. The tap registers
focus immediately and text is injected into the focused view, so a short
fixed wait suffices. Drops p95 step latency ~5.1s to ~4.0s; G1-G4 stay
green.

* chore(conformance): platform-aware G5 p95 budget for android

The 2500ms ceiling was calibrated on the iOS simulator. A physical Android
device drives every step over USB (snapshot + settle + adb round-trips), so
its per-step floor is several times higher; holding it to 2500ms would force
removing the settle/retry logic the correctness gates depend on. The android
backend now defaults to 4500ms (override with P95_LIMIT_MS); iOS stays 2500.

* fix(sidecar): retry maestro android driver startup

The maestro Android driver's dadb.open() occasionally misses its startup
deadline (its instrumentation host is slow to come up right after a reboot
or per-run reinstall), which aborted the whole run. Retry the open a few
times with a short backoff so a transient timeout recovers.

* chore(conformance): widen android G5 budget to 5500ms

Physical-device p95 swung 3209-4612ms across sessions (cold runs right
after a reboot are slower). 4500ms was too tight for that jitter; 5500ms
covers the observed ceiling with headroom.

* web replay fix

* feat(android): force 3-button nav during runs to prevent app drift

On gesture navigation a fuzzer swipe can trigger swipe-up-home or
edge-back and fling the app off screen. Device-prep now switches to
3-button navigation for the run (no edge gestures; the nav bar's buttons
are systemui-owned and already excluded from action candidates) and
restores the original navigation mode when the run ends. Best effort:
leaves nav untouched if the overlay command is unavailable.

* fix(android): target the selected device in adb reads; don't strand nav mode

Review fixes:
- ForegroundPackage/FocusedWindowPackage now take a serial and pass -s, so the
  foreground/scope guard works when several devices are attached (the --device
  path). Previously they ran bare `adb shell`, which errors with multiple
  devices, silently disabling app-scope enforcement. The sidecar client passes
  its serial through.
- Extract an adbArgs helper and route every adb call through it, removing four
  duplicated serial-arg builders.
- ForceThreeButtonNav now decides what to restore before changing anything: if
  the current mode is unknown or already 3-button it leaves nav untouched,
  instead of switching and then stranding the device in 3-button. Logic split
  into the pure navModeToRestore, now unit tested.

* fix(runner): restore scrollBounds doc; cover destination clamp and screenBounds

Review fixes: move the scrollBounds doc comment back onto scrollBounds (it was
stranded above screenBounds by an insertion). Extend the clamp test to assert an
off-screen destination is clamped onto the screen and that the origin lands
exactly on the margin.

* test(verifier): cover keyboardRegionTop, including the decor-view guard

The full-screen IME decor view rejection had no test; removing it left the
suite green. Add direct cases: no keyboard -> sentinel, decor view ignored in
favor of the real keyboard line, and decor-only -> sentinel.

* style(cli): gofmt testOptions field alignment

* fix(sidecar): keep a leading dash off the fast input path

A value starting with '-' could be read as an option by `adb input text`, so
the fast-path regex now requires a non-dash first character; such values fall
back to the driver. Also cover the dadb-target branch where a colon precedes a
non-numeric port (a USB serial, not host:port).

* refactor(verifier): scope action candidates by window ownership

Replaces the leaky per-element package check and the keyboard-region Y
heuristic with one rule: walk the window tree propagating each node's owning
package (empty and the neutral android framework package are transparent); a
node is in scope only when no concrete foreign package owns it (the app's own
window carries no package on Compose apps) or the owner is the app package.

This drops whole foreign windows (soft keyboard, system UI, launcher) AND
their empty-package child wrappers -- e.g. a keyboard's 'Settings' key, which
the old empty-package-is-in-scope rule admitted and which navigated out of the
app. Deletes keyboardRegionTop/isInputMethodElement.

* fix(runner): re-check foreground at apply time, skip stale actions

ensureForeground runs before observe, but the app can leave between observe and
apply (a prior gesture settling late); swipes/keys then fire stale coordinates
onto whatever screen is now up. Re-check foreground immediately before applying
and, when the app is gone, skip the action and log it (making the escape
visible) so the next step's guard relaunches instead.

* fix(android): type long ASCII via fast guarded path to stop keystroke escape

A 4096-char corpus string exceeded the fast input cap and fell to the
per-character driver path, which takes ~120s. During that uninterruptible
window focus could leave the app and the remaining keystrokes sprayed into
the launcher search box. Route shell-safe ASCII of any length through adb
input text, chunked, re-checking the foreground app between chunks and
stopping if it changed.

* chore: ignore gate artifacts and local scratch files

* refactor(runner): narrow gesture clamp to the top shade strip

3-button nav (forced for every run) disables the side back and bottom home
gestures at the OS level. On-device probing confirmed side and bottom swipe
origins no longer drift, leaving the notification shade as the only edge
gesture a swipe can trigger. Clamp only the top strip; keep origin and
destination on screen otherwise.

* chore(format): add .editorconfig enforcing 80-column limit

* chore(format): add prettier config with 80-char printWidth

* chore(deps): add prettier devDependency to replay-ui

* chore(deps): add prettier devDependency to folio-web

* chore(deps): add prettier devDependency to spec package

* chore(format): add swift-format config with 80-char lineLength

* feat(format): add make fmt targets for per-language 80-col formatting

* fix(runner): translate gesture to safe area so near-top scrolls keep direction

Clamping the swipe origin to the top margin while leaving the destination on the full screen used two reference frames: a scrollable container pinned in the top strip had its origin pushed past the destination, reversing the gesture. Translate the whole from->to segment down by the same delta so the origin clears the shade strip without flipping direction. Adds a scroll-near-top test that fails under the old origin-only clamp.

* fix(runner): apply-time guard consults focused window, not just resumed activity

ensureForeground detects a system overlay (notification shade) owning the focused window while the app stays the resumed activity, but appIsForeground only queried ForegroundApp. A swipe that pulls the shade over the app between observe and apply then fired onto the shade. Mirror the focus check at apply time so the action skips and the next step dismisses the overlay.

* test(runner): cover apply-time foreground skip and appIsForeground table

Adds a Run-level test asserting no tap reaches the driver while a system overlay holds focus (guards against the skip branch being dead-coded), plus a decision-table test for appIsForeground. Adds ForegroundErr/FocusedWindowErr to the mock driver so the guard's transient-read paths are exercised.

* fix(sidecar): harden android driver open, input guard, pressKey, foreground marker

- openWithRetry rebuilt a closed AndroidDriver, whose gRPC channel is final and shut down by close(); the retry then ran against a dead channel. Build a fresh driver per attempt and extract a unit-tested retryOpen helper (named DRIVER_OPEN_ATTEMPTS/BACKOFF).
- pressKey on the Maestro backend did KEY_MAP[key] (no lowercase, no throw), silently dropping unknown or wrong-case keys; route through a pure maestroKeyFor that lowercases and rejects unknown keys like the Stub contract.
- the mid-type foreground guard (typeShellSafe) was untested; extract a pure typeChunks and cover stop-on-foreground-change, always-send-first-chunk, and unknown-owner.
- foreground detection required the literal topResumedActivity=ActivityRecord; align parseResumedPackage to the same *ResumedActivity marker set Go reads so OEM wording does not disable the guard.

* fix(conformance): pin self-test p95 budget and score install failures as run failures

self_test reused the backend-dependent P95_LIMIT_MS, so under BACKEND=android the 4000ms slow fixture rated PASS and the offline analyzer check failed from an env var; pin it to 2500. A per-run adb install failure ran unguarded under set -e and aborted the whole harness; guard it, record the run as a G1 failure, and continue.

* fix(android): require --device when several devices are connected

With no serial requested and more than one device online, pickDevice silently returned connected[0], but that serial is never threaded into the per-step adb calls, so every later bare adb command failed with "more than one device". Error instead and ask for --device, mirroring pickAVD; a single device stays unambiguous.

* refactor(android): move PrepareDevice doc onto it; extract tested wakeCommands

The PrepareDevice doc block was stranded above adbArgs, leaving the exported function undocumented under godoc. Move it back and split the wake/keyguard tuples into wakeCommands so they have a unit test.

* perf(verifier): memoize scopedElements per tree

scopedElements rebuilt a full tree walk plus map on every candidatesForVerb call (~16 per step). Cache the result keyed on lastTree and invalidate it in PushSnapshot.

* fix(sidecar): default reinstallApp in SetClearStateReinstall; cover non-android clear

Only Dial set reinstallApp, so a Client built another way would nil-deref on Android clear-state. Default it in SetClearStateReinstall too. Add a non-android test so the platform guard has negative coverage: dropping the android check would now fail.

* test(runner): make focusTapSettle injectable so apply tests don't sleep 250ms

The focus-tap settle was a const, so five InputText apply tests each blocked the full 250ms. Make it a package var and shorten it per-test with cleanup.

* refactor(runner,android): drop unused bringToForeground return; grep no-match yields empty

bringToForeground's bool return was read by no caller. FocusedWindowPackage's on-device grep exited 1 on no match, surfacing as an error instead of the documented ""; add || true.

* perf(sidecar): reuse a single Jackson ObjectMapper

structuralHash, countRouteScreens, and hierarchy each built a fresh ObjectMapper per call inside the stability poll; the instance is thread-safe and meant to be reused. Hoist one shared val.

* refactor(android): remove unused AdbReverse/AdbReverseRemove

No callers anywhere in the tree; they were also the only adb calls bypassing adbArgs. Dead code, removed.

* style(runner): trim non-load-bearing comments from this PR's runner code and tests

* style(sidecar): trim non-load-bearing comments from this PR's driver code and tests
2026-06-11 10:10:05 +05:30
pj 88db9653e5 refactoring default action layer (#51)
* feat(hierarchy): add editable signal with native derivation

* feat(chrome): emit editable flag in hierarchy dump

* feat(verifier): expose editable on ax element objects

* feat(spec): add editable to selector and element types

* feat(verifier): register typing builtin generator

* feat(verifier): typing builtin types edge-case corpus into editable fields

* feat(spec): export typing builtin generator

* feat(spec): add defaultActions bundle

* feat(spec): export @sanderling/spec/defaults subpath

* feat(folio): layer defaultActions breadth over targeted flows

* test(verifier): typing builtin targets editable fields, declines otherwise

* test(hierarchy): editable derivation and selector matching

* test(spec): defaultActions, typing, and defaults barrel resolve

* fix(testrun): alias @sanderling/spec/defaults for the bundler

* test(chrome): editable flag for inputs, textarea, contenteditable

* feat(spec): typing builtin for the web (V8) action path

* chore(folio): auto-boot a bootable AVD in just test/install when none connected

* feat(driver): add ForegroundChecker optional capability

* feat(android): detect foreground package via adb dumpsys

* feat(sidecar): implement ForegroundApp via adb for android

* feat(runner): relaunch app when foreground escapes during exploration

* fix(spec): drop hardware back from defaultActions to stay in-app

* feat(spec): add DoubleTap action type and constructor

* feat(spec): wire DoubleTap through web-runtime serializer

* feat(verifier): bind doubleTap and decode DoubleTap actions

* feat(runner): dispatch DoubleTap as two taps inside one step

* test(doubleTap): cover constructor, verifier round-trip, and runner dispatch

* feat(folio): add noDuplicateTxnPerStep invariant and doubleSubmitTxn action

* fix(folio): track ledger row count across non-ledger steps; pin reproducer seed

* feat(spec): add doubleTaps random-target builtin to defaultActions

* feat(verifier): add doubleTaps random-target generator

* refactor(folio): drop doubleSubmitTxn; fuzzer surfaces double-submit via defaultActions

* fix(folio): make ledgerRowsSeen monotonic to suppress transient-render false positives

* feat(verifier): track newly-violated property set per step

Sticky `always(P)` violations re-surfaced on every step after onset,
flooding traces and summaries with duplicate records. EvaluateProperties
now diffs against the prior verdict map and records the onset set; a new
NewlyViolatedProperties accessor exposes it so callers can emit each
violation exactly once at its onset step. The verdict-map return is
preserved for residual / current-verdict consumers.

* refactor(runner): emit onset-only violations to trace and summary

Switch the per-step violation list from the sticky verdict map to the
verifier's onset set. Each property now appears exactly once across a
run: at the step it first violates, not on every subsequent step where
the residual stays false. Removes the dead violationNames helper.

* style(verifier): use maps.Copy for verdict snapshot

* fix(folio): make login spec content-driven (idempotent across re-entries)

* fix(verifier): canonicalize selector strings

Object/chain JS selectors used to fall through to goja's default
stringification, producing "[object Object]" tags that surfaced as
garbage in trace.action.selector. Emit canonical "k:v" / " > "-joined
strings instead so the tag round-trips back through the hierarchy
selector grammar.

* refactor(folio): replace txn invariants with balanceMatchesAddedTxn

Collapse noDuplicateTxnPerStep and newTxnChangesBalance into a single
per-row property: every newly-appearing ledger row's signed amount must
match the ledger balance delta. A double-submit lands two rows whose
individual amounts cannot both equal the aggregate delta, so each row
fires the property, catching both the row-count and balance-math
classes of bug under one semantic invariant.

* refactor(trace): drop WriteScreenshotAfter

Only one screenshot per step is captured now (concurrently with
hierarchy after settle), so the -after.png variant is unused.

* refactor(runner): one concurrent screenshot per step

Move screenshot capture into the post-action errgroup so it observes
the same UI moment as the hierarchy fetch. Drop the pre-action and
deferred -after captures. Skip WaitForIdle when the action is Wait
since the wait itself provides settling time.

* refactor(inspect-ui): use next step's screenshot for state after

Each step now has one screenshot (the moment of observation). The
"state after" view of step N is the same moment as step (N+1)'s
observation, so reuse that file rather than expecting a separate
-after.png.

* feat(sidecar): structural-hash settle poll

Add pollUntilStable and structuralHash helpers; wire them into the
Stub, Maestro, and iOS backends' waitForIdle. The structural hash
ignores bounds-only flicker (measure passes) but trips on any change
in resource-id/class/content-desc/text, so a Compose cross-fade where
both source and destination composables are momentarily alive no
longer slips through Maestro's waitForAppToSettle and contaminates
the next hierarchy fetch.

* test(sidecar): cover pollUntilStable and structuralHash

Verify the poll returns on two equal snapshots, after transient
churn, and at the cap when never stable; assert the hash ignores
bounds-only flicker and detects content changes.

* feat(spec): accept optional name on extract()

Add an (name, getter) overload so each extractor handle carries a
debuggable label that future trace fields (per-step diffs) can key
off. The web-runtime falls back to extractor_\${index} when none is
supplied so existing call sites keep working unchanged.

* test(spec): cover extract name overload

Verify the runtime receives an undefined name in the legacy shape,
the supplied name in the (name, getter) shape, and that
extract("name") with no getter throws.

* feat(verifier): name extractors for diff surfacing

bindExtract accepts an optional name argument; falls back to
extractor_N when omitted. The name is stored on extractorState
alongside prev/curr value caches that the next change will use to
emit per-step diffs.

* chore(folio): name every extract() call

Give each extractor in the Folio spec a debuggable label so the
inspect UI can render extractor-value diffs at violation steps
keyed by intent (ledgerRows, route, ledgerBalance, ...) rather
than by registration index.

* feat(verifier): track extractor value transitions

Cache each extractor's prior and current JSON-encoded value during
PushSnapshot; expose ChangedExtractors to surface per-step diffs the
runner can emit into the trace. The first observation flushes every
non-null extractor as a change so the inspect UI shows initial state
breadcrumbs alongside later transitions.

* test(verifier): cover ChangedExtractors diffs

Verify initial snapshot reports both named and fallback-named
extractors, a subsequent change surfaces prev/curr, and a no-op
snapshot leaves the diff empty.

* feat(trace): emit extractor_changes per step

Add ExtractorChanges to trace.Step and a runner helper that converts
the verifier's diff map into the trace shape. The inspect UI keys
its violation breadcrumbs off this field.

* feat(inspect-ui): render extractor-change breadcrumbs at violations

Show prev -> curr for each extractor whose value changed on the
selected step, anchored under the violation row in ActionList.
Long values collapse into <details> so the inline diff stays
readable while the full payload is one click away.

* fix(sidecar): cap stability poll independently of settle budget

The previous shape halved durationMillis between waitForAppToSettle
and the structural poll, then hammered hierarchy() at 80ms intervals
- on Maestro this stacked enough RPCs that hierarchy fetches began
timing out under load and the run stalled. Pass the full budget to
waitForAppToSettle and cap the follow-up structural poll at 600ms
with a 120ms interval, so the device sees at most a handful of
extra hierarchy reads per step.

* feat(cli): default --clear-data on so runs start fresh

* feat(sidecar): streak-based settle with route-transition detection

Two changes layered into the stability poll:

1. stabilitySnapshot returns null while the tree carries more than one
   route-level Screen tag (resource-id / testTag / identifier ending
   in "Screen"), so the poll cannot declare a NavHost cross-fade
   stable. Apps following the Compose route convention get this
   detection for free; apps that don't fall through to the generic
   signal below.

2. pollUntilStable now requires an uninterrupted stable streak of at
   least MIN_STABLE_STREAK_MILLIS rather than just N consecutive
   matches. A late transition that fires after a brief calm window
   breaks the streak instead of slipping past. Interval widened to
   250ms so UiAutomation isn't hammered under fuzz load.

* test(sidecar): cover streak reset and route-transition rejection

Verify the poll honors MIN_STABLE_STREAK_MILLIS, that a transient
mid-stream change resets the streak, that null returns block streak
progress through a NavHost cross-fade, and that stabilitySnapshot
counts only route-level attribute keys when summing Screen tags.

* feat(runner): re-fetch on transitional hierarchy capture

Some actions trigger async work (DB write, ViewModel coroutine) whose
navigation transition begins after the sidecar settle poll has already
exited. Without intervention, the next iteration's hierarchy fetch
lands mid cross-fade and the verifier observes a partial extractor
state which then surfaces as a false-positive violation at the step
where the transition completes.

fetchSyncedState pairs hierarchy + screenshot in one goroutine and
retries the pair (up to 4 times, 200ms apart) while the captured tree
contains more than one route-level *Screen tag. Steps that observe
no transition get no added cost; steps that catch a transition pay
up to ~600ms extra wall time but record a tree that matches the
post-transition state the property language expects to compare.

* feat(runner): gate first action on app reaching foreground

* test(runner): cover startup foreground gate and back-press

* feat(verifier): scope random-action targets to app package

Random tap/doubleTap/type/swipe candidates now exclude nodes whose package differs from the app under test, so exploration never fuzzes the soft keyboard, system UI, or permission dialogs. An unset app package or an element with no package stays in scope, preserving behavior on iOS.

* feat(testrun): pass app package into verifier scope filter

* test(verifier): cover package-scoped target selection

* feat(hierarchy): derive package from resource-id prefix

The Android sidecar omits an explicit package attribute, so the verifier's package scope filter was a no-op and the keyboard still leaked into targets. Native nodes carry their package as the resource-id prefix; derive it there when the attribute is absent. Compose testTags are colon-less and stay empty, keeping them in scope.

* test(hierarchy): cover package derivation from resource-id

* chore: stop tracking inspect-ui/dist build artifacts

* feat(android): detect focused-window package via dumpsys window

* feat(driver): add FocusedWindowChecker capability

* fix(runner): gate first observe on the app window being drawn, not just resumed

* test(mock): add FocusedWindowApp with foreground mirroring

* test(runner): cover startup gate waiting for app window to draw

* feat(proto): add Snapshot RPC for atomic hierarchy+screenshot

Pairs hierarchy and screenshot in a single response so the runner can
capture both under a backend mutex, avoiding the cross-fade race where
the two reads describe different frames.

* feat(sidecar): add snapshot default on DriverBackend

Default impl calls hierarchy() then screenshot(). The service layer wraps
the call in a mutex so concurrent runners observe a serialized pair.

* feat(sidecar): wire Snapshot handler with serialization lock

Synchronizes backend.snapshot() so concurrent runners observe a
serialized hierarchy+screenshot pair, eliminating the cross-fade race
where two parallel reads describe different frames.

* test(sidecar): cover Snapshot wire path and serialization lock

SnapshotHandlerTest asserts both fields are populated, concurrent calls
are serialized, and the default impl runs hierarchy then screenshot.

* feat(driver): expose Snapshot on DeviceDriver and sidecar client

Snapshot wraps the new atomic-snapshot gRPC: the runner gets hierarchy
and screenshot from one round-trip whose two reads are serialized on
the sidecar side.

* feat(driver): add Snapshot to chrome and mock drivers

The chrome tab is single-threaded so its Snapshot pairs the two reads
without extra locking. The mock records ActionSnapshot so tests can
assert the runner reaches for the paired RPC.

* refactor(runner): observe each step via the atomic Snapshot RPC

fetchSyncedState now issues one Snapshot per attempt so hierarchy and
screenshot describe the same on-device frame. The transitional retry
stays: that case handles a fully-captured but mid cross-fade frame,
which atomic capture cannot fix.

* test(runner): assert step uses Snapshot, not raw hierarchy/screenshot

TestRunner_UsesAtomicSnapshot catches regressions to the two-goroutine
race, and the existing parallel-fetch test now keys off ActionSnapshot.

* test(driver): cover Snapshot in proto descriptor and sidecar client

Adds Snapshot to the descriptor allowlist and a sidecar-client test that
asserts both fields come back over the wire.

* feat(trace): add Transitional flag to Step

* fix(runner): skip verifier for transitional trees after retry budget

When fetchSyncedState exits its retry loop with a tree that still shows a NavHost cross-fade, the runner now marks the step transitional, writes the step + screenshot to the trace, and skips Verifier.PushSnapshot / EvaluateProperties / ChangedExtractors so the previous-to-current extractor advance is not poisoned by transient state. The next clean step's previous still references the prior clean state. NextAction continues to run so the loop never deadlocks on a never-stabilizing screen.

* test(runner): cover transitional step skips verifier and clean control

* refactor(trace): rename Step.Action to Step.NextAction

The trace step's action field is the action chosen FOR THE NEXT iteration
based on observing this step's hierarchy, not the action that produced
this step. Rename Step.Action to Step.NextAction and the JSON tag to
next_action to make causality explicit at the data level.

* refactor(runner): assign trace action to Step.NextAction field

Follows the rename of trace.Step.Action to Step.NextAction. The runner
already computed the next iteration's action here; only the field name
changes.

* refactor(inspect): decode trace step's next_action JSON field

Mirrors the trace schema rename of action to next_action. The summary
shape exposed to the SPA (action_kind/action_label) keeps its current
JSON tags since these are derived labels, not the raw next-action.

* test(inspect): update fixtures to use next_action trace field

Aligns inspect tests with the trace schema rename. Step constructors
now set NextAction and the JSONL fixtures use the next_action tag.

* refactor(inspect-ui): rename Step.action to Step.next_action

Aligns the SPA type and consumers with the trace schema rename. The
StepSummary.action_kind/action_label labels stay unchanged since they
are derived labels, not the raw next-action.

* fix(folio): extract balanceMatchesAddedSum predicate as testable helper

Move the ledger-balance-vs-added-rows predicate into a pure helper module
so the property's logic is unit-testable in isolation. Marks the sanderling
example as an ES module so cross-package ESM imports resolve under node.

* fix(folio): use sum-of-added-rows in balanceMatchesAddedTxn

The old predicate (every row's signed amount equals delta) silently passed
the double-submit bug because two same-amount rows each match the delta in
isolation. Switching to the sum check (addedSum === delta) catches both the
double-submit case and any future multi-row append whose total drifts from
the balance change.

* test(spec): cover balanceMatchesAddedSum single, sum-match, over, under cases

Pins the sum-based predicate: a single new row matching delta and two new
rows summing to delta both hold; two-row over-sum (double-submit) and
under-sum cases both violate.

* fix(build): rebuild sidecar JAR when Kotlin sources change

Without source-file deps on $(SIDECAR_JAR), make never re-ran shadowJar
after a Kotlin edit, so a stale embedded JAR shipped on every install
and the new sidecar code was silently absent at runtime.

* fix(chrome): launch with no-sandbox so headless Chrome starts in CI

* fix(sidecar): type text at cursor instead of clearing the field

InputText now appends at the focus caret, matching the native driver
and the standard mobile-input contract, instead of deleting existing
content first. Adds an injectable command runner so the behavior is
testable without a device.

* test(sidecar): assert InputText types at cursor without clearing

Captures the adb command stream and verifies a single input-text call
with no preceding delete keyevents, plus the adb escaping cases.

* feat(proto): add LongPress RPC

* chore(proto): regenerate Go stubs for LongPress

* feat(driver): add LongPress to DeviceDriver interface

* feat(sidecar): add LongPress client method

* feat(mock): record LongPress action

* feat(chrome): implement LongPress as press-and-hold

* feat(sidecar): implement longPress across backends

* feat(sidecar): dispatch LongPress RPC to backend

* test(sidecar): cover LongPress dispatch

* test(sidecar): implement longPress in snapshot test backend

* feat(verifier): add LongPress and Scroll action kinds

* feat(folio-spec): predicate that gates balance check on TxnSubmit tap

Replaces the row-sum predicate (which always held by construction since
balance is derived from rows in Folio) with one that compares the typed
amount to the actual balance delta after a tap on TxnSubmit. Catches the
planted double-submit bug.

* feat(folio-spec): wire submitMovesBalanceByTypedAmount property

Adds lastAction and totalBalance extractors and uses them in the new
property. Drops ledgerRows/ledgerBalance extractors since nothing else
referenced them.

* feat(verifier): wire longPresses and scrolls generators

* test(verifier): cover longPresses and scrolls generators

* test(folio-spec): unit tests for submitChangesBalanceByTypedAmount

Covers single vs double submit, the DoubleTap variant, vacuous cases
(null action, wrong kind, wrong target, zero typed), and selector-as-
object coercion.

* feat(spec): add LongPress and Scroll authoring surface

* feat(spec): no-op LongPress and Scroll in web runtime

* feat(spec): re-export longPresses and scrolls as opt-in generators

* test(spec): cover LongPress and Scroll runtime members

* test(proto): expect LongPress in service descriptor

* feat(runner): dispatch LongPress and Scroll actions

* test(runner): cover LongPress and Scroll dispatch

* docs(action-space): move LongPress, Scroll, DoubleTap to current actions

* fix(runner): mark nil/empty hierarchy as transitional

A failed or empty sidecar hierarchy fetch was pushed straight to the
verifier, letting spec extractors crash with "Cannot read property 'map'
of undefined" when findAll returned null. Treat that case like a
transitional capture: skip the verifier push, still record the step, and
keep the loop progressing.

* fix(verifier): populate Action.On when tap chooser picks an element

Coordinate-targeted Taps/DoubleTaps left On empty, so action-gated
properties reading lastAction.on couldn't tell which target was hit and
were vacuously skipped. Resolve the picked element to a stable
key:value selector (resource-id, testTag, text, desc) and validate it
resolves back to the same element so we don't accidentally redirect the
tap to a sibling that shares the identifier.

* fix(folio): add parseTypedAmount helper matching app's parseCents

Raw user input like "50" must become 5000 cents, not 50. The existing
parseDollarCents helper strips non-digits and so reads "50" as 50 cents,
which is correct for formatted balance text but off by 100x for raw
input from the amount field.

* fix(folio): parse raw amount input as cents in submit predicate

txnAmountField holds raw user keystrokes, not formatted balance text.
Route it through parseTypedAmount so "50" reads as $50, matching how
the app commits the transaction.

* fix(folio): carry forward total balance across off-screen transitions

AddTransactionScreen shows neither AccountCard nor LedgerBalance, so the
extractor used to report 0 at the step before submit. That made every
non-zero current balance look like the full delta and tripped the typed
amount property on every honest submit. Remember the last-seen sum and
return it whenever the current snapshot has no balance signal.

* test(folio): cover submit predicate with raw typed-amount inputs

Pipes realistic raw keystrokes through parseTypedAmount + the predicate
so single submits clear and double submits fire as expected.

* feat(folio): add computeHomeTotalBalance helper

Pure helper that tracks Home multi-account total only and carries the last
Home sum across off-Home steps. Ledger's single-account balance is excluded
because mixing it would corrupt cross-screen scale comparisons.

* fix(folio): totalBalance carrier tracks only Home, not Ledger

Home cardSum is a multi-account total; Ledger's LedgerBalance is a single
account on a different scale. Blending them in the carrier produced bogus
cross-screen deltas (prev from Ledger, curr from Home), triggering false
positives in submitMovesBalanceByTypedAmount. Restrict the carrier to
Home AccountCard totals via the computeHomeTotalBalance helper.

* test(spec): cover computeHomeTotalBalance carrier behaviour

Tests Home sums, carrier passthrough on off-Home steps, the Ledger
scale-mismatch case, and a Home > off-Home > Home sequence.

* feat(runner): treat transient apply errors as transitional steps

Sidecar input RPCs occasionally hang with DEADLINE_EXCEEDED or
UNAVAILABLE on long fuzzing runs. The per-step loop previously
propagated any applyAction error and killed the run after a single
flake. Detect transient gRPC failures via status.FromError, mark the
step transitional, skip the post-action idle poll, and continue to the
next step. Fatal errors (outer ctx cancellation, non-transient codes,
verifier crashes) still propagate.

* test(runner): cover transient apply error resilience

TestRunner_TransientApplyErrorMarksTransitional drives the runner
through a wrapper that fails the first TapSelector with a gRPC
DeadlineExceeded then succeeds. Asserts the run does not exit, the
failed step is marked transitional with no violations, and the next
step runs cleanly. TestIsTransientApplyError_Classification covers the
helper's matching rules directly so future code changes don't quietly
drop a transient case.

* fix(folio): gate submit-balance property on Home route landing

totalBalance is only freshly computed when AccountCards are visible on
Home; off-Home landings return the carrier and would false-fire the
property, latching always(next(F)) to false and masking the real
double-submit bug. Skip vacuously when route is not "home".

* test(spec): cover route gate in submit-balance predicate

Adds route arg to existing cases (all use "home") and adds five new
cases: ledger landing with stale carrier, add-transaction with
double-insert delta, null route, plus home-landing positive and
double-insert negative cases anchoring the gate's allow path.
2026-06-01 12:48:51 +05:30
pj eed99e58aa refactor: code organization cleanup (#35)
* chore: fix gitignore + decisions doc after web->inspect-ui rename

Update web/ references to inspect-ui/ in .gitignore and Makefile. Add
decisions.md tracking architectural decisions from code-org discussion.

* refactor: rename pkg/spec-api to pkg/spec

Aligns the directory name with the npm package name @sanderling/spec.
Updates Makefile, package.json directory field, and resolveSpecAPIPath.

* refactor(verifier): split bindings.go into types.go + bindings.go

Move shared public types (Action, ActionKind, LogEntry, Exception) to
types.go. bindings.go retains internal JS runtime wiring only.

* refactor(inspect): split runs.go into runs.go, runs_cache.go, runs_decode.go

runs.go: types (RunSummary, StepSummary, RunDetail, Run) and Scan.
runs_cache.go: Cache type, Open/Step/Detail methods, parseRun, scanSteps.
runs_decode.go: readMeta, tallyTrace, decodeStepSummary, validRunID.

* refactor: move android_env.go to internal/android/

Extracts Android device/AVD/adb logic into internal/android package.
Exports EnsureDevice, AdbReverse, AdbReverseRemove, EnvWithAndroidPlatformTools, AdbBinary.
Moves tests to internal/android/android_test.go. cmd/sanderling becomes a thin caller.

* refactor: extract test pipeline to internal/testrun/

runTestPipeline logic moves to testrun.Execute. buildDriver, resolveSpecAPIPath,
pickFreePort, and the progress logger move to internal/testrun/. cmd/sanderling/test_run.go
becomes a thin adapter. Tests follow their code.

* ci: update workflow paths after pkg/spec-api -> pkg/spec rename
2026-04-22 20:35:34 +07:00