Harden workflow ID minting and surface real collisions

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4/5
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新手友好度
45/100
Issue 类型
缺陷
描述清晰度
基本清楚
活跃度
活跃
技术栈
python
领域
backend, cli

调研方向

Look at the mint_id() function and its use of random.getrandbits. Replace with secrets.randbits or random.SystemRandom(). Then examine graph replay logic for node and link ID collisions. Design a collision contract: redraw IDs during minting against the graph, and create a typed conflict error for replay. Write tests for global seeding independence and collision outcomes.

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描述

Random ID collisions can fail silently. Global seeding makes draws repeatable.

Full context for agent readers

Follow-up from the ID contract correction. That review established two behavior gaps intentionally excluded from the documentation-only pull request:

  1. mint_id() uses the process-global random.getrandbits. A caller's random.seed(...) can make independently created ID streams repeatable. Use an OS-backed or module-private source such as secrets.randbits or random.SystemRandom() and add a regression test proving global seeding does not control IDs.
  2. A genuine same-actor node or link ID collision has no explicit outcome. Node replay is first-arrival-wins; link replay can retain a destination reference to an unrelated existing link. Design the smallest safe collision contract: redraw while minting against a known graph, and surface a typed conflict when replay receives two different entities with one ID.

Acceptance criteria:

  • Global random.seed(...) cannot force mint_id() to repeat a known stream.
  • Local minting does not emit an ID already present in the target graph.
  • Replay of two distinct entities with one ID produces an explicit, tested outcome rather than silent success.
  • Node and link paths have asymmetric regression cases where the competing payloads differ.

Source findings: silent collision handling and seedable random source.

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