- Enabled call/result merging by setting mergeCallAndResult on TaskTool.
- Reworked task item lines into bullet lists and removed tree-style prefixes.
- Rendered task calls as framed blocks with isolated headers and pending status metadata.
- Changed result previews to hide task titles and `Tasks` headings when a result is present.
- Added tests for `MnemosyneSessionState` lifecycle, including turn-based auto-retain.
- Added tests covering scoped Mnemosyne database clearing and per-project bank derivation.
- Added a task renderer test to suppress per-task previews when `renderContext.hasResult` is true.
- Added formatContextUsage to render context as `%/window` with `?` fallback across status and task views.
- Updated task renderCall to show dispatched agents as tree entries with `Tasks (2)` header and `#3` fallback.
- Capped task preview collapse at 12 entries and added `... N more agents` overflow messaging.
- Replaced hard-coded dot separators with `theme.sep.dot` in subagent cost and context output.
- Added tests for streaming task preview rendering and updated nested-live expectations for percent/context output.
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