Hoist the three copies of apply_state_updates (llm, agent, rag) into
graph::state_updates::apply(state, output, has_schema, updates). The
helper computes every state_updates value first, restores the transient
`output` binding, and only then writes the computed updates, so a
`state_updates: { output: "{{output}}" }` entry is no longer clobbered
by the restore step.
The per-file wrappers stay as one-line calls so their existing tests are
unchanged; new direct helper tests live in state_updates.rs, including
the regression test for the clobber.
Design: plans/map-subgraph-branches-design.md §2.6, §3.7 (C5, D3).
Agent nodes marked teammates: true whose sub-agents run concurrently (map fan-out branches or multiple flagged agent nodes in one super-step) now form a team: each member gets a pre-provisioned inbox in a messaging-only PeerRegistry before any branch starts, a teammate roster injected into its prompt, peer resolution in agent__send_message, and a peers section in agent__list_running. Registries are scoped to a single fan-out and carry no lifecycle semantics: outputs still flow exclusively through collect_into/state reducers, finished peers reject new messages, and nothing registers in a supervisor. Also hardens the agent-recursion depth guard to work without a supervisor and adds validator warnings for zero-valued orchestration limits.
Graph agents previously derived can_spawn_agents from the presence of an agent node, so a pure-LLM-node graph could never spawn dynamic sub-agents. The three optional graph-level keys now override the derivation/defaults in AgentConfig::from_graph, enabling orchestrator graphs (can_spawn_agents: true with only llm nodes). Explicit false on a graph with agent nodes still runs those nodes; only dynamic spawning from llm nodes is disabled.
python3 first-start on fresh Windows runners (AV interpreter scans) blew
the 5s/10s/30s script timeouts. Drop the incidental python3 spawns from
the bash fixtures (pure-bash JSON extraction) and give the genuinely
python tests 60s headroom.
Dark-Alex-17
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