Feature/add loop timer #533
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- Add LoopTimerConfig with duration units support (seconds/minutes/hours) - Implement LoopTimerNodeExecutor with standard and passthrough modes - Register loop_timer node type in builtin_nodes.py - Update documentation (execution_logic.md, YAML_FORMAT_QUICK_GUIDE.md) - Add demo workflows for both modes Closes: add-loop-timer change proposal
- Merge demo_loop_timer.yaml and demo_loop_timer_passthrough.yaml into single comprehensive demo - Create dual-branch workflow demonstrating both standard and passthrough modes side-by-side - Increase duration from 5 seconds to 2 minutes for better demonstration - Update YAML_FORMAT_QUICK_GUIDE.md with detailed mode explanations and demo reference - Update tasks.md in add-loop-timer proposal to reflect demo improvements - Remove duplicate demo_loop_timer_passthrough.yaml file
- Remove invalid 'version' field - Restructure to match DevAll YAML schema (graph at top level) - Move start/end nodes to end of graph block - Validation now passes: 'Workflow OK. Design is valid.'
Key fixes: - Add proper trigger edges: Critic -> Timer Gate with trigger=true - Add feedback loop: Timer Gate -> Writer with trigger=true - Remove incorrect Writer -> Critic -> Timer Gate -> Writer pattern - Follow ChatDev_v1 loop pattern: input -> gate (trigger) -> gate -> output (trigger) - Start both branches simultaneously in start nodes This ensures the timer gates are properly triggered and loops execute correctly.
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Feb 10, 2026
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Thanks for this contribution! Adding actual time-based control for agent loops is a very practical and useful design 😃.
We have a few minor suggested modifications for improvement.
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I have updated accordingly |
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What's changing
The
loop_timernode is intended to provide the same loop control functionality asloop_counter, but using time-based limits instead of iteration counts.yaml_instance/demo_loop_timer.yamlwith a structure that mirrorsdemo_loop_counter.yamldocs/user_guide/en/nodes/loop_timer.mdmirroringloop_counter.mdstructuredocs/user_guide/en/workflow_authoring.mdto include loop_timer table entry