Labels

Flow control & backpressure handling

Single-binary, cross-compilation, packaging

CLI & diagnostics tooling

Compression & encoding

Configuration system

Consumer model, delivery, ack, redelivery, DLQ

Edge resource constraints (flash wear, RAM, fsync)

Licensing, project structure, release process

Metrics, tracing, health, introspection

Performance targets & benchmarking

Wire protocol & client API

Crash recovery, corruption skip, self-healing

Replication, followers, quorum, divergence detection

Subject routing, wildcards, bindings, queue routing

AuthN/Z, TLS, encryption at rest

Segmented log, WAL, on-disk format

Fault injection, fuzzing, verification

Something isn't working

Open architectural decision requiring sign-off

Records a resolved architectural decision

Design specification / decision record to be vetted

Improvements or additions to documentation

This issue or pull request already exists

New feature or request

Large, multi-issue workstream that groups design issues

Good for newcomers

Extra attention is needed

This doesn't seem right

Cross-cutting index / catalog issue (FMEA, ADR index, glossary)

Explicitly out of scope (records what we will NOT do)