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Add intermediate previews and graph reconnection

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Albrecht Degering
2026-07-28 16:31:12 +02:00
parent 2084540ab1
commit 521829a7fc
14 changed files with 520 additions and 61 deletions
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README.md
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@@ -34,7 +34,8 @@ nodes by purpose:
Join nodes have explicit left and right ports. Append nodes accept two or more
inputs. Derived columns use a constrained operation catalogue rather than
arbitrary code.
arbitrary code. The graph editor validates manual, proximity-created, and
reconnected edges against the same port, multiplicity, and cycle rules.
Governed inputs are resolved through the versioned Core capability
`datasources.catalogue`; Dataflow imports neither Datasources nor Connectors and
@@ -53,7 +54,9 @@ execution.
Preview reads at most 250 rows per source and enforces time, intermediate-row,
result-byte, graph-node, and response-row bounds. Saved previews record the
pipeline revision, executor version, source fingerprints, node diagnostics,
and output summary, but not source or result rows.
and output summary, but not source or result rows. A preview may return one
explicitly requested intermediate node state under the same response bound;
that row payload remains ephemeral and is not added to run evidence.
Saved revisions can also be started through the versioned
`dataflow.runLifecycle` capability or the Run dialog. The first runner is