Implement DAG store

[yohamta]

No description provided.

[codecov]

Codecov Report

Patch coverage: 81.11% and project coverage change: -0.15% ⚠️

Comparison is base (a901027) 78.58% compared to head (e72eb35) 78.44%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #478      +/-   ##
==========================================
- Coverage   78.58%   78.44%   -0.15%     
==========================================
  Files          38       38              
  Lines        3432     3414      -18     
==========================================
- Hits         2697     2678      -19     
- Misses        599      600       +1     
  Partials      136      136              

Files Changed	Coverage Δ
internal/engine/engine.go	71.09% <73.17%> (-4.21%)	⬇️
internal/engine/factory.go	84.21% <81.25%> (-15.79%)	⬇️
internal/persistence/jsondb/database.go	72.65% <88.88%> (+1.39%)	⬆️
cmd/dry.go	100.00% <100.00%> (ø)
cmd/restart.go	93.10% <100.00%> (ø)
cmd/retry.go	100.00% <100.00%> (ø)
cmd/start.go	100.00% <100.00%> (ø)
cmd/status.go	100.00% <100.00%> (ø)
cmd/stop.go	100.00% <100.00%> (ø)

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