SkillCoding & development
Implement a bounded feature slice
Build one user-visible feature slice while preserving repository conventions and existing work.
>_Codex
MIT · FreeView skill
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Codex development10 resources
SkillCoding & development
Refactor while preserving explicit invariants
Restructure a bounded area while proving important observable behavior stays the same.
>_Codex
MIT · FreeView skill
SkillCoding & development
Add a contract test at an integration boundary
Test a real boundary's observable behavior without reproducing its internal implementation.
>_Codex
MIT · FreeView skill
SkillCoding & development
Diagnose an asynchronous race
Find the interleaving that causes stale state, duplicate work, or lost updates.
>_Codex
MIT · FreeView skill
SkillData & analytics
Review schema-change safety
Review a proposed schema change for data preservation and mixed-version application behavior.
>_Codex
MIT · FreeView skill
SkillCoding & development
Map a module's dependencies
Trace imports, entry points, and data dependencies for a scoped code change.
>_Codex
MIT · FreeView skill
SkillCoding & development
Investigate a build failure
Find the first meaningful build error and separate environment issues from code defects.
>_Codex
MIT · FreeView skill
SkillCoding & development
Review object-level authorization in code
Trace whether an operation enforces ownership or membership for the actual target object.
>_Codex
MIT · FreeView skill
SkillData & analytics
Validate a data-import boundary
Inspect parsing, row validation, duplicate handling, and atomicity for an import workflow.
>_Codex
MIT · FreeView skill
SkillCoding & development
Prepare release verification from a real change
Create a release checklist tied to changed behavior, dependencies, and rollback evidence.
>_Codex
MIT · FreeView skill
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