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41fc178e5e
Fills crates/windows/src/tree/ with the four things every later observation sub-phase consumes: an element wrapper with delegated refcounting, a timeout-bounded UIA client and window-root resolver, a tree walk with a cycle guard and honest completeness, and provider-class-conditional CacheRequest batching. Ships the secure-field gate, an out-of-process fixture, committed COM censuses as dev-box evidence, and corrections to docs/phases.md. Measurement changed the design repeatedly, and each result is a ledger row rather than a silent correction: - A14-3: the end-of-list discriminator is not inverted - code() 0 with result() None, on both builds. - A14-4/A14-9: a dead provider is invisible on both the sibling and property axes, so neither carries liveness. Recorded for 2.4, which owns the snapshot path. - A14-8: IsOffscreen disagrees with itself inside one minimized window, contradicting A1-2 off the managed stack. - A14-10: 2.1's owned-process COM bootstrap is thread-local behind a process-wide guard. - A14-11/A14-12: ElementFromHandle against a non-dispatching window hangs rather than timing out, and the bound that stops it is reachable only from CUIAutomation8. There is no fallback to an unbounded client. - A14-13: UI Automation's client core initialises lazily and not re-entrantly, so concurrent first touches fail with E_FAIL. The accessor serialises that first touch. Every control was observed failing before being claimed: the cycle guard, the discriminator, the secure-field gate, error redaction, capture normalisation, fixture teardown and both hang bounds. ObservationOps::observe_tree still returns PLATFORM_NOT_SUPPORTED; no ref is allocated anywhere in crates/windows. |
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| PULL_REQUEST_TEMPLATE.md | ||