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Ed Zynda
a55f6d3d9a
Rework the compaction system with several improvements modelled after pi's approach: Compaction engine (internal/compaction): - Tool result truncation: cap tool result text at 2000 chars during serialisation to keep summarisation requests within token budgets - Serialize tool calls and reasoning parts (previously only text) - Split turn handling: when a single turn exceeds the keep budget, summarise the turn prefix separately and merge with history summary - Cumulative file tracking: extract read/modified files from tool calls (read, write, edit, grep, find, ls) and carry forward across compactions via PreviousCompaction parameter - Add IsSplitTurn, findTurnStart helpers and CutPoint, ReadFiles, ModifiedFiles fields to CompactionResult Session tree (internal/session): - New CompactionEntry type records summary, first-kept-entry-id, token stats, and file lists without deleting old messages - BuildContext skips entries before the compaction boundary and injects the summary as a system message - GetContextEntryIDs maps fantasy message indices to entry IDs for cut-point resolution - GetLastCompaction retrieves prior file tracking state Non-destructive compaction (pkg/kit): - Compact now appends a CompactionEntry instead of clearing and rewriting the session — old messages remain on disk for history - Extension hook (BeforeCompact) can now provide a custom Summary that replaces the LLM-generated one, in addition to cancelling UI (internal/ui): - Tree selector renders CompactionEntry nodes with info styling Events & hooks (pkg/kit): - CompactionEvent includes ReadFiles and ModifiedFiles - BeforeCompactResult gains Summary field for extension-provided summaries - Bridge updated to forward custom summaries from extensions