fix: preserve folder collapse state on explorer refresh #173
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Fixes issue where folders in tree view would immediately re-expand after being manually collapsed. The refresh triggered by BufEnter or git directory changes was forcibly expanding all directories. Solution: Collect collapsed state before async refresh, restore it after tree rebuild. Fixes #169
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Summary
Fixes issue where folders in tree view would immediately re-expand after being manually collapsed.
Problem
When the explorer refreshes (triggered by
BufEnteror git directory changes), all directories were being forcibly re-expanded viaexpand_all_dirs(), discarding the user's manual collapse state.Solution
collect_collapsed_state()to capture which groups/directories are collapsed before refreshrestore_collapsed_state()to restore the collapsed state after tree rebuildpathfor directories andnamefor groupsTesting
Fixes #169