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Knowledge catalogChoose core direction and segmented content
Practice 15AdvancedSystem designAbout 18 minutes

Corresponding knowledge: Tool semantics and version migration in long-running tasks

After the tool goes online v2, the old tasks have not been completed yet. How to make the changes in parameters and results compatible?

Examine tool Schema version, long-term task compatibility and release rollback.

Learn corresponding knowledgeInterview questions · Answer independently →
SchemaVersion compatiblerollback

Knowledge content check2026-10-03 · Check the source of the original question2026-10-02

The knowledge corresponding to this exercise:

Tool calls: structure, authorization, and business contracts · Hierarchical deep learning →
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Knowledge exercises·Independent answers

My notes and review ↗

Principles and Solutions have been collapsed. Explain the core mechanism, boundaries and verification methods in your own words, and then compare them.

Answers and personal notes

Each modified commit will be kept as an independent history. Your level of mastery is up to you to evaluate yourself against the standards.

Explain in your own words first

The core principles, analysis, Q&A and migration cases have been closed. When you are ready, unfold it and compare it with the content to find any omissions.

Hands-on verificationComplete on demand · Suggestions15 minutes

Design the upgrade process for amount yuan transfer points, and mark the adaptation points and approval checkpoints.

Expand acceptance requirements and checkpoints
  • Conversion rules are certain and measurable
  • There is a clear version of the tasks to be executed
  • Comparison of writing tools does not produce double writing

Key inspections

  • Identify structural compatibility and semantic compatibility
  • Tool contract used by locked tasks
  • Able to describe migration, coexistence and rollback