NeilandOrca 200b3e53ae perf(renderer): keep the repos array identity across no-op refetches (#13744)
* perf(renderer): keep the repos array identity across no-op refetches

reconcileFetchedRepos deliberately returns the previous array when a refetch
changes nothing, so identity-keyed memos can skip work. Two later steps in the
same chain copied unconditionally and threw that identity away:

- reconcileReadoptedSshRepoRows spread the input on its no-prune path, which is
  the common case.
- applyManualRepoOrder allocated a fresh array even when the saved order moved
  nothing.

Both now return the input when they change nothing, so state.repos stays
referentially stable through fetchRepos, fetchRuntimeEnvironmentRepos,
fetchReposForAllHosts, and hydratePersistedUI.

Return type stays Repo[] with the same cast reconcileFetchedRepos already uses;
all four call sites only read the result.

Co-authored-by: Orca <help@stably.ai>

* refactor(renderer): make the store repos array readonly at the type level

Preserving the repos array identity means handing callers the same array that
is live store state, which previously relied on `as Repo[]` casts to launder
readonly inputs back into a mutable field. A cast is a footgun: the next person
to add a .push or .sort corrupts store state with no type error.

Widen RepoSlice['repos'] to readonly Repo[] and propagate honestly. Consumers
that only read take readonly Repo[]; genuine local accumulators are annotated
Repo[] and built from copies.

Removes all four pre-existing `as Repo[]` casts in the reconcile chain
(repo-identity-reconcile, superseded-ssh-repo-rows, manual-repo-order x2) —
this lands with fewer casts than main has today.

Type-only change; no runtime behavior differs.

Co-authored-by: Orca <help@stably.ai>

* fix(renderer): compare nested repo fields so reconciliation actually fires

Preserving the repos array identity was inert. reconcileFetchedRepos compares
repo fields with !==, but every repo the renderer receives carries nested
records that are new objects on every fetch:

- main's hydrateRepo unconditionally rebuilds hookSettings for every repo,
  even a pristine one (persistence.ts:5109)
- IPC structured-clone (and the JSON hop for SSH/runtime hosts) reclones
  gitRemoteIdentity, upstream, repoIcon, and the path arrays

So every repo compared unequal, `identical` went false on every refresh, and
the array was rebuilt regardless of the copies removed in the parent commit.

Compare nested plain records structurally instead. They are small sanitized
values; anything non-plain falls back to reference equality.

The end-to-end test previously passed for a fixture-only reason: its repo had
five scalar fields and the mock returned the same object both calls, the one
shape production never produces. It now uses a production-shaped repo and
fails without this change.

Co-authored-by: Orca <help@stably.ai>

---------

Co-authored-by: Orca <help@stably.ai>
2026-08-11 00:08:19 -07:00
2026-08-09 23:10:30 +00:00
2026-07-11 20:53:20 -07:00
2026-05-04 20:42:03 -07:00
2026-03-16 22:27:51 -07:00
2026-03-28 10:19:14 -07:00

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Orca is the ADE for working with a fleet of parallel agents. Run any coding agent with your own subscription. Available on desktop, mobile and remote runtime.
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