feat(memory,subagent): add A* node cap and sub-agent fleet registration#4377
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Add MAX_GRAPH_NODES (500) constant to zeph-memory graph retrieval: node_map is truncated to the highest-scored nodes before the A* inner loop, bounding worst-case complexity from O(seeds × n²) to O(seeds × n log n). Closes #4368. Introduce FleetRegistry trait and SqliteFleetRegistry adapter in zeph-subagent. SubAgentManager now calls register_active on spawn and mark_terminal on completion or cancellation, making sub-agents visible in the fleet dashboard. cancel_all also marks sessions as cancelled during shutdown. Closes #4370.
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…rieval_astar tests
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Summary
MAX_GRAPH_NODES = 500constant inzeph-memorygraph retrieval.node_mapis truncated to the 500 highest-scored nodes before the A* inner loop, bounding worst-case complexity from O(seeds × n²) to O(seeds × n log n) — consistent with the existing cap inactivation.rs.FleetRegistrytrait andSqliteFleetRegistryadapter inzeph-subagent.SubAgentManagernow registers sub-agents in the fleetagent_sessionstable on spawn (Active) and updates status on completion/cancellation.cancel_allalso marks sessions as cancelled during shutdown.Changed files
crates/zeph-memory/src/graph/retrieval_astar.rs—MAX_GRAPH_NODESconstant +cap_node_maphelper + 2 unit testscrates/zeph-subagent/src/fleet.rs— newFleetRegistrytrait +SharedFleetRegistrytype aliascrates/zeph-subagent/src/manager.rs— fleet registration wiring + 3 unit tests withMockFleetRegistry+Notify-based synchronisationcrates/zeph-subagent/src/lib.rs— re-exportfleetmodulesrc/fleet_session.rs—SqliteFleetRegistryimplsrc/runner.rs— wireset_fleet_registryafter manager constructionTest plan
cargo nextest run --workspace --lib --bins— 9884 passed, 21 skippedcargo clippy --workspace -- -D warnings— cleancargo +nightly fmt --check— cleanregister_activeon spawn,mark_terminal(Completed)on collect,mark_terminal(Cancelled)on cancel andcancel_allCloses #4368
Closes #4370