Adds an optional pre-compaction memory flush turn before manual /compact.\n\n- New config: agents.defaults.compaction.memoryFlush.onManualCompact (default: false)\n- When enabled, /compact runs a memory flush agent turn first, then compacts\n- Skips flush when workspace is read-only (sandbox workspaceAccess != rw) or when using CLI providers\n- Fail-open: if the flush run throws, compaction still proceeds\n\nDocs: updated configuration reference (EN + zh-CN).\nTests: added e2e coverage to ensure flush runs before compact when enabled.

Greptile Overview

Greptile Summary

This PR adds an optional pre-compaction memory flush feature for manual /compact commands. When agents.defaults.compaction.memoryFlush.onManualCompact is enabled (default: false), the system runs a memory flush agent turn before compacting the session, allowing the agent to store durable memories to disk. The feature intelligently skips the flush when the workspace is read-only or when using CLI providers (which don't support tool runs), and follows a fail-open pattern where compaction proceeds even if the flush fails.

Key changes:

• Added onManualCompact config field to AgentCompactionMemoryFlushConfig with proper TypeScript types and Zod validation
• Updated commands-compact.ts to conditionally run runEmbeddedPiAgent before compaction
• Implemented proper guard checks for workspace access (rw only) and CLI provider detection
• Added comprehensive e2e test coverage verifying flush runs before compact and ordering is correct
• Updated documentation in both English and Chinese (zh-CN)

Confidence Score: 5/5

• This PR is safe to merge with minimal risk
• The implementation is well-designed with proper guard rails, fail-open error handling, comprehensive test coverage, and follows existing codebase patterns. All changes are backward-compatible (feature is opt-in with default: false), and the code includes proper checks for edge cases like read-only workspaces and CLI providers.
• No files require special attention

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