a11y find - output format and process resolution

How wkappbot a11y find resolves windows and process trees, and how to keep its output aligned with the current # FOCUS / # TARGET / # INFO contract. Useful when Claude or Codex is changing find behavior or debugging target ambiguity: proc is the identity, hwnd is the disambiguator, and root hwnd is only a search entry point. Include short operator flags only when they help verification or debugging.

Steps