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Jacob Alber
6f31e32df6
Aligns the .NET orchestration builders with Python's output / intermediate-output distinction. Each builder either applies a Python-aligned default designation set or replays the user's explicit `WithOutputFrom` / `WithIntermediateOutputFrom` calls, never both. Static `AgentWorkflowBuilder.BuildSequential` / `BuildConcurrent` apply defaults unconditionally (no user-facing fluent surface to take control through): - Sequential: terminal `end` + every agent designated intermediate. - Concurrent: terminal `end` + every agent and per-agent accumulator designated intermediate. The three fluent instance builders memoize agent-typed designation calls in a `Dictionary<AIAgent, HashSet<OutputTag>>` (empty set = terminal-only, non-empty = intermediate tag(s)) so repeated calls dedupe naturally. They replay the entries at `Build()` time, suppressing defaults when any call has been made: - `HandoffWorkflowBuilder` / `HandoffWorkflowBuilderCore<TBuilder>` (also picked up by the obsolete `HandoffsWorkflowBuilder` via inheritance). Default: terminal `HandoffEnd` + every handoff agent intermediate. (Bug fix: legacy code relied on `WithOutputFrom(end)` to bind `HandoffEnd`. The new explicit-designation path bypasses that, so `Build()` now calls `BindExecutor(end)` unconditionally to keep validation happy.) - `GroupChatWorkflowBuilder` — default: terminal host + every participant intermediate. - `MagenticWorkflowBuilder` — default: terminal orchestrator + every team member intermediate. Designating a non-participant agent throws `InvalidOperationException`. The bare `WorkflowBuilder` default is unchanged — only the orchestration-style builders gain implicit defaults, matching the plan's non-goal. Tests ----- - `AgentWorkflowBuilder.SequentialTests` / `.ConcurrentTests`: one default-spec assertion each. - `GroupChatWorkflowBuilderTests`: defaults-match-spec, explicit-replaces-defaults, non-participant throws. - `HandoffWorkflowBuilderTests` (new file): same three. - `MagenticWorkflowBuilderTests` (new file): same three. 593/593 unit tests pass on net10.0 (582 baseline + 11 new). Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
6f31e32df6
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2026-05-28 16:44:08 -04:00
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