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Anso
600367e66c
* perf(stacks): hoist self-stack identity resolution out of statuses enrichment
GET /api/stacks/statuses resolved the self-stack identity once per stack on
every request, including cache hits. The fallback path in isSelfStack lists
every container on the node, so a cache hit still paid N container-list
calls. Measured on a Docker-shaped local container with 6 stacks: cache hits
took 161-168ms with dockerMs=null; the enrichment alone was ~160ms.
Resolve the identity once per request (boot-cached compose project name plus
a single container-labels read) and compare stack names against it in the
response loop. isSelf semantics are unchanged: project-name match, then
labels project match, then working-dir basename match, with the same
fail-safe false on identity failure. Also expose an enrichmentMs subspan in
the developer-mode timing line so cache-hit cost stays decomposable.
Measured after the change in the same environment: cache hits 20-34ms
(enrichment ~20-33ms, a single listContainers call), computed 44-59ms.
Cache-hit latency improved roughly 5-8x; per-stack Docker identity discovery
is eliminated (N calls down to 1).
* test(stacks): cover the empty-stacks statuses path
The statuses handler skips self-stack identity resolution entirely when a
node has no stacks. Pin that branch: an empty response still returns 200
with {} and never resolves identity, so a future refactor cannot silently
reintroduce a node-wide container-list call on empty-node polls.