Claude 46372e8e38 feat(executor): {input.foo} template interpolation on node config strings ...

Every action/terminal node's config string fields are now run through
TemplateEngine.Render before the node sees them, so operators can pull
values from the incoming item into any config field.

- {input}, {input.a.b}, {input.tags[0]}, {input["weird.key"]}
- {{ / }} escape to literal braces
- Missing paths / null input → empty string (no 500s on absent query params)
- Unrecognised / malformed placeholders pass through so typos are visible
- Strings render raw; numbers/bools stringified; objects/arrays compact JSON

Interpolation runs executor-side (Executor.RunNodeAsync walks ConfigJson
and rewrites string leaves), so every node opts in for free. 20 new tests
(17 TemplateEngine + 2 Executor + 1 end-to-end webhook→WebResponse).

2026-08-29 18:44:03 +00:00

3.7 KiB

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