refactor(e2e): add DAG-based concurrent task execution for cluster setup#8149

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r2k1 wants to merge 22 commits intomainfrom

Commits on Mar 20, 2026

Add initial design spec for type-safe DAG execution library
Artur Khantimirov
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Rename taskflow to tasks, use named Deps structs throughout
Artur Khantimirov
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tasks: add core types — Task interface, Config, DAGError, TaskStatus
Artur Khantimirov
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tasks: add graph discovery via reflection
Artur Khantimirov
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tasks: add cycle detection via topological sort
Artur Khantimirov
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tasks: add concurrent scheduler with error strategies
Artur Khantimirov
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tasks: add integration tests and clean up vet warnings
Artur Khantimirov
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tasks: simplify scheduler and address review findings
Artur Khantimirov
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refactor(e2e): replace sequential prepareCluster with concurrent DAG

Artur Khantimirov
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Copilot
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refactor(e2e): simplify prepareCluster, remove clusterSetup struct

Artur Khantimirov
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Copilot
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refactor(e2e): wire cluster as DAG task, pass functions directly

Artur Khantimirov
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Copilot
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refactor(e2e): eliminate all anonymous functions from prepareCluster

Artur Khantimirov
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Copilot
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refactor(e2e): eliminate wrapper helpers, absorb args into functions

Artur Khantimirov
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Copilot
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refactor(e2e): use bind helpers, eliminate newClusterTask

Artur Khantimirov
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Copilot
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Commits on Mar 21, 2026

polish: improve naming, comments, and error wrapping in dag/tasks packages
Artur Khantimirov
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refactor(e2e): remove unused tasks package in favor of dag package
Artur Khantimirov
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chore: remove design spec docs, revert config.go changes
Artur Khantimirov
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refactor(e2e): remove bind/bindRun helpers, use inline closures
Artur Khantimirov
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docs(e2e): add note to keep prepareCluster minimal
Artur Khantimirov
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fix: address PR review comments on dag package and cluster.go
Artur Khantimirov
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Commits on Mar 22, 2026

test(dag): expand coverage to 95.1% with 37 tests
Artur Khantimirov
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dag: recover panics in task goroutines and improve docs
Artur Khantimirov
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