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c17f2fae7a
* feat: add data model foundation for progressive skeleton traversal
Add children_count, root_ref, skeleton fields to core types. Add
get_subtree() to PlatformAdapter trait. Add remove_by_root_ref() and
write-side size check to RefMap. No behavioral changes yet.
* feat: implement progressive skeleton traversal with ref-rooted drill-down
Add --skeleton and --root flags to snapshot command for token-efficient
accessibility tree exploration. Skeleton mode clamps depth to 3 levels
and annotates truncated containers with children_count, allowing AI
agents to discover regions before drilling into them. Named containers
at skeleton boundaries (via name or description) receive refs as
drill-down targets. The --root flag starts traversal from a previous
ref with scoped invalidation — only refs from that drill-down are
replaced on re-drill.
Key changes:
- New ref_alloc.rs: shared ref helpers (INTERACTIVE_ROLES, actions_for_role,
ref_entry_from_node, is_collapsible) extracted from snapshot.rs
- New snapshot_ref.rs: drill-down logic with DrillDownConfig, scoped
invalidation via root_ref tagging on RefEntry
- macOS count_children() uses raw CFArrayGetCount without materializing
AXElement wrappers for performance at skeleton boundaries
- RefMap write-side size check prevents >1MB files
- Skeleton anchors consider both name and description for Electron compat
* fix: mention --skeleton in STALE_REF error suggestion
* docs: document --skeleton and --root flags in skill reference
* docs: update phases.md and CLAUDE.md for progressive skeleton traversal
Add skeleton traversal as Phase 1 objective P1-O10. Document --skeleton
and --root flags, get_subtree() trait method, new core modules, and
platform-agnostic notes for Phase 2/3. Update risk mitigations and
performance optimizations table.
* docs: make progressive skeleton traversal the default agent workflow
Update SKILL.md observe-act loop to skeleton-first approach. Add
progressive skeleton traversal as the primary workflow pattern. Update
anti-patterns, key principles, and command quick reference to lead
with --skeleton + --root. Full snapshot remains documented as fallback
for simple apps.
* fix: preserve skeleton drill-down anchors
* fix: preserve drill-down refs across skeleton re-snapshots
Skeleton snapshots now load the existing refmap and remove only
skeleton-level refs (root_ref: None), preserving drill-down refs
accumulated via --root. Previously, build() always created a fresh
RefMap, breaking the skeleton → drill → act → skeleton(verify) workflow
by wiping all drill-down refs on the verify step.
* fix: preserve drill-down depth for root snapshots
* fix: verify AX action effect on Electron elements before trusting success
Chromium's AX implementation returns kAXErrorSuccess for AXPress,
AXConfirm, etc. but only toggles ARIA state without firing DOM event
handlers. This caused the click chain to short-circuit on false
positives, preventing CGClick from ever being reached.
The fix detects web elements via AXWebArea ancestor walk, then verifies
each AX action actually had a DOM effect by comparing focused element
pointers before and after. When all AX methods produce no real effect,
CGClick fires as the genuine last resort.
Native elements are unaffected — the original verified_press behavior
is preserved in a separate code path.
* chore: ignore .context/ for local tooling artifacts
* style: collapse web_action_had_effect signature to single line
* test: cover RefMap save oversize rejection
Extract the serialize+size-check step into a private helper so the 1MB
write rejection path can be unit-tested without filesystem I/O. Also
moves the size check above the directory creation in save() so an
oversized refmap no longer creates ~/.agent-desktop on rejection.
* test: assert stale-ref suggestion mentions --skeleton
Locks in the Phase 4 polish requirement that STALE_REF errors guide
agents back to a skeleton refresh, not just a plain snapshot.
* test: cover skeleton-to-drill-down counter continuity
Asserts that skeleton refs (@e1..@e10) survive a scoped invalidation
of @e3, that drill-down refs allocated after the skeleton continue from
@e11 instead of resetting, and that remove_by_root_ref drops only the
drill-down children.
* test: cover --root + --surface rejection at execute() boundary
Adds a NoopAdapter that uses every PlatformAdapter trait default to
exercise execute()'s validation guards without standing up a real
adapter. Verifies that combining --root with a non-Window surface
returns INVALID_ARGS, and that the Window surface does not trigger the
guard.
* test: add filesystem-redirected integration tests for run_from_ref
Adds a thread-local HOME override + RAII HomeGuard so RefMap::save and
RefMap::load can be exercised against an isolated temp directory without
env-var racing across parallel tests. Also adds a StubAdapter that
implements PlatformAdapter with a canned subtree response so the full
run_from_ref drill-down flow can be unit-tested without standing up
macOS AX state.
Closes seven Phase 3 plan acceptance items in one pass:
- save+load roundtrip with HOME override
- oversize save rejection preserves previous file on disk
- run_from_ref returns subtree and persists drill refs
- stale root ref → STALE_REF with skeleton suggestion
- re-drill replaces drill refs only, counter continues
- multiple drill-downs from @e1 and @e2 coexist
- empty subtree drill-down produces no new refs
* test: add golden fixtures for skeleton output and drill-down refmap
Adds two committed JSON fixtures under tests/fixtures/ plus matching
unit tests that build the same input trees, run them through
allocate_refs / run_from_ref, and assert the produced ref ids,
parent-child layout, and root_ref tagging match the golden expectations.
Locks in the JSON shape so future serialization changes have to be
deliberate.
* fix: bound build_subtree recursion on Electron wrapper chains
Anonymous AXGroup/AXGenericElement wrappers do not advance the semantic
depth counter (web-wrapper depth-skip), so a long chain of nested
wrappers could recurse arbitrarily deep without ever hitting either
max_depth or ABSOLUTE_MAX_DEPTH. The previous code checked
`depth >= ABSOLUTE_MAX_DEPTH` against the semantic depth, which stayed
at 0 throughout a wrapper chain. On pathological Electron trees this
risked stack exhaustion before any cap engaged.
Add a separate `raw_depth` parameter that always increments and use it
for the absolute cap. Semantic `depth` still drives `max_depth` and the
skeleton boundary so the wrapper-flattening behavior is preserved on
normal trees.
Also drops the long-unused `_include_bounds` parameter; bounds
filtering happens in `allocate_refs` in core, not here.
* chore: add pre-commit hook running fmt + clippy + tests
Mirrors the CI quality gates (cargo fmt --check, cargo clippy
--all-targets -- -D warnings, cargo test --lib --workspace) so a
failing commit never reaches origin. Skips automatically when no
Rust/TOML files are staged. Bypass with --no-verify or SKIP_PRECOMMIT=1
when a non-Rust hotfix is genuinely needed.
Hook lives under .githooks/ and is opt-in per clone:
git config core.hooksPath .githooks
Setup instructions added to CLAUDE.md.
* fix: prevent orphaned drill-down refs leaking across skeleton refresh
remove_skeleton_refs() previously dropped every entry whose root_ref
was None and kept every entry whose root_ref was Some. After a series
of skeleton refreshes that pattern leaked drill-down refs whose root
anchor had already been removed: they could never be cleaned up by a
future remove_by_root_ref(target) because target referred to a
non-existent anchor, and they accumulated until the 1MB write guard
fired.
Restructure the function to keep only:
- skeleton anchors that have at least one drill-down pointing at them
- drill-down refs whose root anchor is among the kept anchors
Unreferenced anchors are still dropped (the original intent), and
orphaned drill-downs are dropped at the same time so the refmap can
no longer accumulate dead entries.
Updated existing test to assert the new keep-when-referenced semantics
and added a regression test for the orphan-drilldown leak path.
* fix: align resolve traversal with snapshot child-attribute set
find_element_recursive previously walked AXChildren first then fell
back to AXContents only, and resolve_element_name only derived its
fallback label from AXChildren. Snapshot building, however, uses the
full child_attributes() list (AXChildren, AXContents,
AXChildrenInNavigationOrder) via copy_children. That asymmetry meant
refs minted for containers exposed only through AXChildrenInNavigationOrder
appeared in the snapshot output but produced false STALE_REF errors on
drill-down or action commands because the resolver could not find them
again.
Route both call sites through child_attributes() so resolution sees
the same children as snapshotting.
* fix: bypass AXConfirm on web elements and add skeleton anchors to drill-down
* fix: compare AX elements via CFEqual in web_action_had_effect
AXUIElementCopyAttributeValue follows the CoreFoundation Create rule
and returns a freshly-allocated CF object on every call, so raw
pointer equality (`before.0 != after.0`) between two separate copies
of AXFocusedUIElement was ALWAYS true even when the focused element
was unchanged. That made Step 1 (AXPress) of activate_web_element
appear successful every time and left Steps 2-4 of the escalation
chain (AXConfirm bypass, child actions, CGClick fallback) dead code
on web elements.
Replace the pointer comparison with CFEqual, which compares
accessibility element identity rather than heap addresses.
* refactor: unify allocate_refs across snapshot and drill-down paths
allocate_refs in snapshot.rs and allocate_refs_with_root in
snapshot_ref.rs were near-exact copies that differed only in whether
each allocated ref carried a root_ref tag. The duplication meant any
bug fix or behavior change in one path risked silently drifting from
the other (bot flagged this after the first round of fixes added even
more duplicated skeleton-anchor logic to allocate_refs_with_root).
Move the shared logic into ref_alloc.rs behind a new RefAllocConfig
struct with Option<&str> for the root_ref_id, and delete the
snapshot_ref.rs copy. Both snapshot::build and snapshot_ref::run_from_ref
now route through the same function with their respective configs.
append_surface_refs and the existing unit tests in both modules are
updated to use the shared function + config.
* chore: drop with_root from drill test names after allocator unification
The snapshot_ref tests kept their original test_allocate_refs_with_root_*
names after the allocator dedupe even though allocate_refs_with_root no
longer exists. Rename them to test_drill_alloc_* so grep for
allocate_refs_with_root returns zero matches and nobody assumes a second
allocator path exists.
* docs: compound DRY ref-allocator dedupe into knowledge base
Adds docs/solutions/best-practices/deduplicate-ref-allocator-via-config-struct-2026-04-14.md
documenting the root cause, guidance, consequences, trigger conditions,
and before/after of the allocate_refs / allocate_refs_with_root
duplication that landed on PR #20 and was unified in d06a6c2.
Also:
- gitignore allows docs/solutions/** (was caught by docs/* rule)
- CLAUDE.md workspace tree surfaces docs/solutions/ so fresh agents
discover the knowledge store
- docs/phases.md drops two stale DrillDownConfig references (lines 62
and 226) — the symbol no longer exists in the codebase
* refactor: drop unused root_ref field from TreeOptions
TreeOptions.root_ref was populated from SnapshotArgs.root_ref by
tree_options() and then never read anywhere. The actual routing
lives in execute(): `if let Some(ref root) = args.root_ref` branches
to snapshot_ref::run_from_ref(adapter, &opts, root), passing the
root id as an explicit argument — opts.root_ref was never consulted
by any caller.
Delete the field from TreeOptions and its Default impl and stop
populating it in tree_options(). SnapshotArgs.root_ref remains as
the single source of truth for the drill-down target.
* fix: suppress skeleton flag when --root is set
tree_options() clamped depth based on skeleton && root_ref.is_none()
but still forwarded skeleton: args.skeleton unconditionally. When a
caller passed --skeleton --root @e3, opts.skeleton stayed true, so
adapter.get_subtree on macOS built a truncated skeleton tree instead
of the full drill-down subtree, AND ref_alloc::allocate_refs tagged
skeleton-anchor refs with the drill-down root_ref — both unintended.
Tie the skeleton flag to the same root_ref.is_none() guard the depth
clamp already uses. A drill-down is always a full subtree now, never
a skeleton view.
Adds test_tree_options_suppresses_skeleton_for_drill_down to lock the
behavior in and extends the existing clamp test to assert the flag
still propagates on non-drill paths.
* fix: detect web action effect via value + selected + focus change
The previous focus-change-only heuristic in web_action_had_effect was
wrong for non-Chromium AXWebArea elements (Safari WKWebView, Mail,
Notes): AXPress on a checkbox toggles AXValue correctly but does NOT
shift the focused UI element. web_action_had_effect returned false, the
chain escalated to CGClick, and CGClick toggled the checkbox a second
time — net zero visible change. The pointer-equality bug that ae78cbc
replaced was masking this by always returning true; CFEqual exposed
the real signal gap.
Capture element state into a PreActionState struct (focused, value,
selected) before any AX action runs, and consider the action to have
had an effect if ANY of those three fields differs afterward. Element
value covers WKWebView checkboxes, text fields, sliders. Selected
covers tabs, radio buttons, and list items. Focused still covers
Chromium's DOM-driven focus shifts. Triggers on whichever signal is
most relevant to the element type without needing role-specific code.
Also re-exports copy_bool_attr from crates/macos/src/tree for use by
the chain-steps module.
* fix: emit skeleton boundary when drill path is about to hit raw cap
In skeleton mode, a chain of anonymous web wrappers (AXGroup /
AXGenericElement with empty title and value) never advances the
semantic `depth` counter, so `child_depth > max_depth` never fires
no matter how deep the chain runs. The recursion then hits the
`raw_depth >= ABSOLUTE_MAX_DEPTH` top-of-function guard and silently
returns None, dropping the subtree without any children_count marker.
Agents see truncated output with no indication that anything was
dropped.
Extend the at_skeleton_boundary condition to also fire when
child_raw_depth is about to hit ABSOLUTE_MAX_DEPTH, so skeleton mode
always emits a visible truncation node for deep wrapper chains
instead of disappearing them. The old `raw_depth < ABSOLUTE_MAX_DEPTH`
half of the guard was redundant — the top-of-function check already
ensures the current frame has raw budget; the meaningful question is
whether the CHILD frames will.
* perf: compute is_in_webarea once per verified-press call
try_focus_then_verified_confirm_or_press called is_in_webarea(el) to
gate AXConfirm, then fell through to do_verified_press which called
is_in_webarea(el) again on its first line. Each call walks up to 20
AX parents via per-element IPC (AXUIElementCopyAttributeValue on
AXParent), so every web-area click through this path paid the cost
twice.
Extract a private dispatch_verified_press(el, caps, in_web) that
takes the web-area flag as an input. do_verified_press keeps its
existing (el, caps) signature for chain_defs compatibility and
computes is_in_webarea once, then delegates. The focus-then-confirm
path also computes it once and passes it through. The result is
identical on both paths with one AX traversal instead of two.
* fix: skeleton anchors in drill-downs must not inherit root_ref; restore AXBrowser AXContents fallback
Skeleton anchors discovered while processing a drill-down subtree were
being tagged with the drill root_ref, making them indistinguishable from
regular drill entries. re-drills would delete those anchors via
remove_by_root_ref, breaking sub-drilling. They now always carry
root_ref=None so they survive re-drills as stable targets.
AXBrowser child resolution dropped the AXContents fallback when
child_attributes() was unified — the resolver now uses
["AXColumns","AXContents"] matching the original traversal order.
* fix: suppress skeleton anchor creation in drill-down mode to prevent orphaned ref accumulation
* fix: bounds-based resolver pruning and CGClick fallback on chain timeout
Resolver was doing exhaustive DFS through entire AX tree (depth 50) to
find a single element. For large documents like a dense spreadsheet this
meant visiting tens of thousands of cells via AX IPC, causing multi-minute
hangs before the click chain even started.
Two changes:
- find_element_recursive now prunes subtrees whose spatial bounds do not
contain the target element's centre point, and aborts the whole search
after five seconds. Numbers table -> button not inside -> entire table
skipped. Resolution went from >1m49s to <50ms.
- execute_chain now sets a 1s app-level AX messaging timeout so calls to
children/parents fail fast instead of blocking for the system default 6s,
and when the 10s chain deadline fires it attempts the CGClick step before
returning failure so the coordinate fallback is always reached.
* refactor: resolve 9 code-review todos for progressive skeleton traversal
- skeleton refresh now starts from RefMap::new() (removes stale ref accumulation across refreshes)
- drill-down snapshot resolves real WindowInfo via PID lookup instead of synthetic empty id
- --root flag validates ref format before RefMap lookup (returns INVALID_ARGS not STALE_REF)
- ABSOLUTE_MAX_DEPTH truncation emits boundary node with children_count instead of silently dropping
- fix ref vs ref_id field name in commands-observation.md JSON examples
- fix phases.md TreeOptions listing root_ref (it lives in SnapshotArgs, not TreeOptions)
- add batch snapshot skeleton/root examples to commands-system.md
- split snapshot.rs and snapshot_ref.rs test modules into separate _tests.rs files (143/69 LOC)
- add integration tests for skeleton + drill-down workflow including invalid --root validation
* docs: compound progressive snapshot review hardening
* docs: tighten progressive snapshot compound write-up
* docs: update README with progressive skeleton traversal and fix command count to 50
* docs: correct command count to 53, add Notifications section and platform notes
---------
Co-authored-by: Cursor Agent <cursoragent@cursor.com>
11 KiB
11 KiB
agent-desktop
agent-desktop is a native desktop automation CLI designed for AI agents, built with Rust. It gives structured access to any application through OS accessibility trees — no screenshots, no pixel matching, no browser required.
Architecture
Key Features
- Native Rust CLI: Fast, single binary, no runtime dependencies
- 53 commands: Observation, interaction, keyboard, mouse, notifications, clipboard, window management
- Progressive skeleton traversal: 78–96% token reduction on dense apps via shallow overview + targeted drill-down
- Snapshot & refs: AI-optimized workflow using deterministic element references (
@e1,@e2) - AX-first interactions: Every action exhausts pure accessibility API strategies before falling back to mouse events
- Structured JSON output: Machine-readable responses with error codes and recovery hints
- Works with any app: Finder, Safari, System Settings, Xcode, Slack — anything with an accessibility tree
Installation
npm (recommended)
npm install -g agent-desktop # downloads prebuilt binary automatically
Or without installing:
npx agent-desktop snapshot --app Finder -i
From source
git clone https://github.com/lahfir/agent-desktop
cd agent-desktop
cargo build --release
cp target/release/agent-desktop /usr/local/bin/
Requires Rust 1.78+ and macOS 13.0+.
Permissions
macOS requires Accessibility permission. Grant it in System Settings > Privacy & Security > Accessibility by adding your terminal app, or:
agent-desktop permissions --request # trigger system dialog
Core Workflow for AI
For dense apps (Slack, VS Code, Notion), use progressive skeleton traversal to minimize token usage:
# 1. Shallow overview — depth-3 map, truncated containers show children_count
agent-desktop snapshot --skeleton --app Slack -i --compact
# 2. Drill into a region of interest (named containers get refs as drill targets)
agent-desktop snapshot --root @e3 -i --compact
# 3. Act on an element found in the drill-down
agent-desktop click @e12
# 4. Re-drill the same region to verify the state change
agent-desktop snapshot --root @e3 -i --compact
For simple apps, a full snapshot is fine:
agent-desktop snapshot --app Finder -i # get interactive elements with refs
agent-desktop click @e3 # click a button by ref
agent-desktop type @e5 "quarterly report" # type into a text field
agent-desktop press cmd+s # keyboard shortcut
agent-desktop snapshot -i # re-observe after UI changes
Agent loop: snapshot → decide → act → snapshot → decide → act → ...
Commands
Observation
agent-desktop snapshot --app Safari -i # accessibility tree with refs
agent-desktop snapshot --surface menu # capture open menu
agent-desktop screenshot --app Finder # PNG screenshot
agent-desktop find --role button --app TextEdit # search by role, name, value, text
agent-desktop get @e3 value # read element property
agent-desktop is @e7 checked # check boolean state
agent-desktop list-surfaces --app Notes # list menus, sheets, popovers, alerts
Interaction
agent-desktop click @e3 # smart AX-first click (15-step chain)
agent-desktop double-click @e3 # open files, select words
agent-desktop triple-click @e3 # select lines/paragraphs
agent-desktop right-click @e3 # context menu (returns menu tree inline)
agent-desktop type @e5 "hello world" # type text into element
agent-desktop set-value @e5 "new value" # set value directly via AX
agent-desktop clear @e5 # clear element value
agent-desktop focus @e5 # set keyboard focus
agent-desktop select @e9 "Option B" # select option in dropdown/list
agent-desktop toggle @e12 # flip checkbox or switch
agent-desktop check @e12 # idempotent check
agent-desktop uncheck @e12 # idempotent uncheck
agent-desktop expand @e15 # expand disclosure/tree item
agent-desktop collapse @e15 # collapse disclosure/tree item
agent-desktop scroll @e1 down 3 # scroll (AX-first, 10-step chain)
agent-desktop scroll-to @e20 # scroll element into view
Keyboard
agent-desktop press cmd+s # key combo
agent-desktop press cmd+shift+z # multi-modifier
agent-desktop press escape # single key
agent-desktop key-down shift # hold key
agent-desktop key-up shift # release key
Mouse
agent-desktop hover @e3 # move cursor to element
agent-desktop hover --xy 500,300 # move cursor to coordinates
agent-desktop drag @e3 --to @e8 # drag between elements
agent-desktop drag --xy 100,200 --to-xy 400,200 # drag between coordinates
agent-desktop mouse-click --xy 500,300 # click at coordinates
agent-desktop mouse-down --xy 500,300 # press at coordinates
agent-desktop mouse-up --xy 500,300 # release at coordinates
App & Window Management
agent-desktop launch Safari # launch app by name
agent-desktop launch com.apple.Safari # launch by bundle ID
agent-desktop close-app Safari # quit app
agent-desktop close-app Safari --force # force quit (SIGKILL)
agent-desktop list-apps # list running GUI apps
agent-desktop list-windows # list visible windows
agent-desktop list-windows --app Finder # windows for specific app
agent-desktop focus-window w-4521 # bring window to front
agent-desktop resize-window w-4521 800 600 # resize
agent-desktop move-window w-4521 100 100 # move
agent-desktop minimize w-4521 # minimize
agent-desktop maximize w-4521 # maximize
agent-desktop restore w-4521 # restore
Notifications (macOS only)
agent-desktop list-notifications # list all notifications
agent-desktop list-notifications --app "Slack" # filter by app
agent-desktop list-notifications --text "deploy" --limit 5 # filter by text
agent-desktop dismiss-notification 1 # dismiss by index
agent-desktop dismiss-all-notifications # dismiss all
agent-desktop dismiss-all-notifications --app "Slack" # dismiss all from app
agent-desktop notification-action 1 --action "Reply" # click action button
Clipboard
agent-desktop clipboard-get # read clipboard text
agent-desktop clipboard-set "copied" # write to clipboard
agent-desktop clipboard-clear # clear clipboard
Wait
agent-desktop wait 500 # sleep 500ms
agent-desktop wait --element @e3 --timeout 5000 # wait for element
agent-desktop wait --window "Save" --timeout 10000 # wait for window
agent-desktop wait --text "Loading complete" --app Safari # wait for text
agent-desktop wait --menu --timeout 3000 # wait for menu
Batch
agent-desktop batch '[
{"command": "click", "args": {"ref_id": "@e2"}},
{"command": "type", "args": {"ref_id": "@e5", "text": "hello"}},
{"command": "press", "args": {"combo": "return"}}
]' --stop-on-error
System
agent-desktop status # platform, permission state
agent-desktop permissions # check accessibility permission
agent-desktop permissions --request # trigger system dialog
agent-desktop version # version string
Snapshot Options
agent-desktop snapshot [OPTIONS]
| Flag | Default | Description |
|---|---|---|
--app <NAME> |
focused app | Filter to a specific application |
--window-id <ID> |
- | Filter to a specific window |
-i / --interactive-only |
off | Only include interactive elements |
--compact |
off | Omit empty structural nodes |
--include-bounds |
off | Include pixel bounds (x, y, width, height) |
--max-depth <N> |
10 | Maximum tree depth |
--skeleton |
off | Shallow 3-level overview; truncated containers show children_count and get refs as drill targets |
--root <REF> |
- | Start traversal from this ref; merges into existing refmap with scoped invalidation |
--surface <TYPE> |
window | window, focused, menu, menubar, sheet, popover, alert |
JSON Output
Every command returns structured JSON:
{
"version": "1.0",
"ok": true,
"command": "click",
"data": { "action": "click" }
}
Errors include machine-readable codes and recovery hints:
{
"version": "1.0",
"ok": false,
"command": "click",
"error": {
"code": "STALE_REF",
"message": "Element at @e7 no longer matches the last snapshot",
"suggestion": "Run 'snapshot' to refresh refs, then retry"
}
}
Error Codes
| Code | Meaning |
|---|---|
PERM_DENIED |
Accessibility permission not granted |
ELEMENT_NOT_FOUND |
No element matched the ref or query |
APP_NOT_FOUND |
Application not running or no windows |
STALE_REF |
Ref is from a previous snapshot |
ACTION_FAILED |
The OS rejected the action |
TIMEOUT |
Wait condition expired |
INVALID_ARGS |
Invalid argument values |
Exit Codes
0 success, 1 structured error (JSON on stdout), 2 argument parse error.
Ref System
snapshot assigns refs to interactive elements in depth-first order: @e1, @e2, @e3, etc. Refs are valid until the next snapshot replaces them.
Interactive roles that receive refs: button, textfield, checkbox, link, menuitem, tab, slider, combobox, treeitem, cell, radiobutton, incrementor, menubutton, switch, colorwell, dockitem.
Static elements (labels, groups, containers) appear in the tree for context but have no ref.
Stale ref recovery:
snapshot → act → STALE_REF? → snapshot again → retry
Platform Support
| macOS | Windows | Linux | |
|---|---|---|---|
| Accessibility tree | Yes | Planned | Planned |
| Click / type / keyboard | Yes | Planned | Planned |
| Mouse input | Yes | Planned | Planned |
| Screenshot | Yes | Planned | Planned |
| Clipboard | Yes | Planned | Planned |
| App & window management | Yes | Planned | Planned |
| Notifications | Yes | Planned | Planned |
Development
cargo build # debug build
cargo build --release # optimized (<15MB)
cargo test --lib --workspace # run tests
cargo clippy --all-targets -- -D warnings # lint (must pass with zero warnings)
License
Apache-2.0