Kotlin CoroutinesSAFE

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The instruction file, verbatim from the audited commit — this is the text the model reads, and the surface the audit's instruction layer examines. Quoted here so you can judge it without cloning anything.

---
name: kotlin-coroutines
description: Write safe, structured concurrent code with Kotlin Coroutines. Use for suspend functions, coroutine scopes, cancellation, and coroutine leaks; defer Java Virtual Threads, Android WorkManager/Fragment lifecycle, Compose state hoisting, and Detekt/tooling configuration.
metadata:
  triggers:
    files:
    - '**/*.kt'
    keywords:
    - suspend
    - CoroutineScope
    - launch
    - async
    - Flow
    - StateFlow
    - SharedFlow
    - viewModelScope
    - GlobalScope
    - Dispatchers
    - isActive
    - yield
    - runBlocking
---
# Kotlin Coroutines Expert

## **Priority: P0 (CRITICAL)**

**Role**: Concurrency Expert. Prioritize safety and cancellation support.

## Implementation Guidelines

- **Scope**: Use `viewModelScope` (Android) or structured `coroutineScope`.
- **Dispatchers**: Inject dispatchers; never hardcode `Dispatchers.IO`.
- **Flow**: Use `StateFlow` for state, `SharedFlow` for events.
- **Exceptions**: Use `runCatching` or `CoroutineExceptionHandler`.

## Concurrency Checklist (Mandatory)

- [ ] **Cancellation**: loops check `isActive` or call `yield()`?
- [ ] **Structured**: No `GlobalScope`? All children joined/awaited?
- [ ] **Context**: `Dispatchers.Main` used for UI updates?
- [ ] **Leaks**: scopes cancelled in `onCleared` / `onDestroy`?

## Anti-Patterns

- **No GlobalScope**: It leaks. Use structured concurrency.
- **No Async without Await**: Don't `async { ... }` without `await()`.
- **No Blocking**: Never `runBlocking` in prod code (only tests).

## References

- [Advanced Patterns & Flow Examples](references/advanced-patterns.md)

SAFEgrade B · trust 89/100 Nothing in the source contradicts what it says it does. Grade A is reserved for packages that have also passed the behavioural sandbox.

What the source does

Filesystem

none-observed

Network

none-observed

Shell

none-observed

Dependencies

pinned

Secrets in source

none-found

Findings (0)

No findings outside the package's declared scope.

Gates applied: no_behavioural_pass.