Files
deepseek-harness/packages/session-persistence
Tianyi Cui cfceb8452b subagent: seed inherited policy events at creation
The parent implementation introduced sandboxMode and approvalPolicy as generic SessionHeader fields, then propagated those fields through both persistence backends, session-query indexes, collision checks, policy-specific seed-boundary folds, catalogs, and a broad test matrix. That storage plane is unnecessary: Session already accepts a validated constructor seed, and persistence captures that seed when the session is announced before committing its first batch.

Capture each parent override synchronously at delegation, append source-tagged sandbox/mode and approval/policy records after the optional fork prefix, and create the child with that combined seed. Keeping header.seedLength at the original fork-prefix length preserves lineage while ordinary last-event-wins folds make the inherited records outrank stale parent history and remain subordinate to later child switches. Unswitched parents still stamp nothing, so children continue to follow deployment defaults.

Remove the generic header fields and every persistence/query/schema branch built around them. Collapse the inheritance suite from ten leaking scenarios to four owned-context cases covering real filesystem confinement, stale fork precedence, delegation-time capture, and the no-override path. The assembled headless snapshot now asserts the persisted inheritance event directly.

This keeps the security behavior while restoring policy ownership to the existing event log and deleting the speculative durability machinery that the original tests did not exercise.
2026-07-28 21:31:17 +08:00
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2026-07-26 05:06:39 +08:00
2026-07-26 05:06:39 +08:00

session-persistence/ — persistence capability family

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The durable session-persistence seam and its storage backends. The interface package owns the abstract SessionPersistence service and the shared write coordinator; the backends are concrete implementations that register on ctx.sessionPersistence. All product packages.

Package Role ctx key
session-persistence/ Persistence seam + shared write coordinator ctx.sessionPersistence
session-checkpoint-policy/ Semantic durability barriers for agent requests and tool execution (wraps ctx.llm / ctx.tools, listens on agent events)
session-persistence-jsonl/ JSONL-sidecar persistence backend (registers ctx.sessionPersistence)
session-persistence-sqlite/ SQLite persistence backend (registers ctx.sessionPersistence)

The interface lives at session-persistence/session-persistence/; backends are flat siblings. A new storage backend joins here and registers on ctx.sessionPersistence. See session persistence.