* fix(tui): trim markdown wrap spaces
Use trim-aware wrapping for markdown prose so word-wrapped continuation lines do not keep boundary spaces.
* fix(tui): simplify markdown wrap nodes
Keep trim-aware wrapping on the rendered markdown text node while leaving nested inline segments as plain virtual text.
* fix(tui): trim definition row wrapping
Apply trim-aware wrapping to markdown definition rows so continuation lines match other prose rows.
* fix(tui): trim list and quote wrapping
Put trim-aware wrapping on the rendered list and quote rows that own markdown inline layout.
* fix(tui): preserve markdown nesting with trim wrap
Move list and quote indentation into layout padding so trim-aware wrapping does not erase nested markdown structure.
* fix(tui): trim only soft wrap spaces
Change trim-aware wrapping to remove whitespace only at soft-wrap boundaries so original leading inline spaces stay verbatim.
* fix(tui): preserve extra boundary whitespace
Trim only one soft-wrap boundary whitespace character so wrap-trim avoids leading continuations without collapsing intentional spacing.
* fix(tui): align styled wrap-trim mapping
Update styled text remapping to skip the single whitespace removed at soft-wrap boundaries without dropping preserved indentation.
* fix(tui): clean wrap trim test helpers
Clarify boundary-trim wording and strip OSC escapes from markdown render test output.
* fix(tui): strip osc before ansi in markdown tests
Remove OSC escapes from raw render output before SGR/CSI cleanup so markdown render assertions stay plain text.
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