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Types the event-queue iterator's TReturn as undefined so the terminal
result needs no cast; declares the isError field the pi runtime reads by
duck-typing; binds socket to a local const in the daemon transport;
replaces the @ts-ignore on the optional sharp import with a non-literal
specifier so src/ still typechecks where sharp was not installed.
Adds src/util/guards.ts as the single home for narrowing over unknown —
isRecord plus scalar/array readers — and converts the two private
isObject copies in cdp/types.ts and daemon/protocol.ts along with every
inline `as Record<string, unknown>` in domains/js.ts and domains/render.ts.
Gives Accessibility.getFullAXTree a real result schema, closing the last
unvalidated CDP boundary: only nodeId is required, every object carries
additionalProperties, and each AX value stays Unknown, so the tree
decodes as a whole or fails as a whole rather than being filtered.
Guards the five tool-result `details` readers, the daemon attach
response, the persisted session state, the browser-namespace flag, and
the fs errno narrowing, each feeding an already-present failure path.
The daemon-transport socket binding is not a bug fix: send() runs
synchronously inside sendWithTimeout's promise executor, so socket cannot
be reassigned between the check and the write. It removes the assertion
and makes the write immune to a later refactor that adds an await.
Two assertions survive by design and are documented in the task report:
the never->unknown re-widening in util/tool.ts, which the type-erased
tool registry makes unavoidable, and the AsyncFunction constructor lookup
in domains/js.ts, which JavaScript exposes no typed binding for.
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
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- Add forms domain with a universal field setter that auto-detects element
type and fires framework-compatible input events (React native-setter trick)
- Add window-binding helper to capture and bind the real Chrome windowId as the
session's durable window identity on every new-window code path
- Wire supporting changes across CDP session/ownership, client, navigate,
isolated-tab, prompt, and state
- Add manual tests for forms and window binding
- Bump version 0.8.3 -> 0.9.0
Co-authored-by: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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Track which page targets this harness session opened so the agent can never
attach to, switch to, or close a tab the user opened themselves. New tabs
are spawned in a dedicated Chrome window (newWindow:true on first open,
openerId chaining after) so harness activity stays visually separate.
- new OwnershipRegistry (src/cdp/ownership.ts) tracks owned targetIds and
the harness window seed; mutations notify a single listener that persists
to BrowserState (ownedTargetIds, harnessWindowTargetId)
- attachFirstPage prefers an already-owned live target; otherwise opens a
fresh harness-owned tab in its own window instead of grabbing whatever
page the user is on
- session subscribes Target.setDiscoverTargets and reaps targetDestroyed
events so the registry stays in sync with reality
- listTabs returns owned:boolean per tab and reconciles dead ids
- browser_list_tabs defaults to scope:"owned"; pass scope:"all" to inspect
the user's other tabs (read-only — they cannot be switched to or closed)
- browser_switch_tab refuses non-owned tabs, with a clear remediation hint
- browser_new_tab opens inside the harness window via openerId, falling
back to a fresh window when the seed has been closed
- new browser_close_tab tool — owned tabs only, supports unique hex prefix
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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files to strict tsconfig
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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Browser control extension for pi — 20 browser_* tools for navigating,
clicking, typing, screenshotting, and extracting data from real Chrome
via CDP. Includes self-extending harness (register_tool/remove_tool),
guided /browser-setup, session persistence, and custom TUI renderers.
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