602545c636e6  [Text Extraction] Add more text context before or after a targeted element that's missing meaningful text context

Classified as not security-relevant.
Triage note: Adds searchForInteractionTargetText, nearestNonInlineAncestor, bidirectional adjacentRenderedTextLabel and hasNoRenderedTextOrLabeledChild to improve interaction target labeling. Feature work for text extraction, no memory-safety bug.
This commit was flagged by the signal scorer and reviewed by AI (not a human). It is listed only so the triage is auditable; there is no root-cause analysis because this is not a vulnerability fix.

Structural signals: smartptr_member_added (+6.47), null_guard (+2.59)