Workflow DSL retry/timeout config not propagated to executor nodes

[Bhanudahiyaa]

Problem

WorkflowDef supports execution config fields in the DSL (for example retry_policy and timeout settings), but these values are not fully propagated into runtime
WorkflowNode configuration during parser/build.

As a result, workflows defined in YAML/JSON can silently lose configured retry behavior and timeout defaults.

1. Define a workflow DSL with:
   • workflow-level config.retry_policy and/or config.default_timeout_ms
   • optional node-level overrides in nodes[].config
2. Parse via WorkflowParser::build_with_agents(...).
3. Inspect resulting WorkflowNode.config values or observe runtime behavior.

Current Behavior

Runtime node configuration does not consistently reflect DSL retry/timeout settings end-to-end.

Expected Behavior

• Workflow-level defaults should apply to all nodes unless overridden.
• Node-level retry/timeout settings should override workflow defaults.
• Behavior should be validated with integration-style parser tests from DSL input to runtime node config.

[Bhanudahiyaa]

/assign

[github-actions]

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