The mesh's forge accounts all read every repository, and a build's fetch says the forge's own words

mesh-catalog #495 gave read on every repository to the tools' account alone. The build modules
fetch over ssh as nox-builder (the forge-account provider's builders account, ADR 0466 §3), so
ace's and g14's fetch of jschoubben/car-hunter and jschoubben/snake still failed; the machines'
agents (nox-agent, ADR 0410 §1) could not read them either.

- gitea: readall.ts grants every account of one list, meshAccounts in tools-account.ts (mesh-tools,
  nox-builder, nox-agent; a Go test holds the two Go names to internal/forgeaccount's constants),
  on the same start pass, forge events and tools. gitea_unreadable_repos answers per account and
  names the accounts the forge does not hold yet; gitea_grant_read takes accounts as well as
  repositories. An absent account is asked nothing; the start pass runs again ten minutes apart
  until every account was there once.
- mesh-build-go, mesh-build-node, mesh-build-image: pin mesh-sdk 84275cfc (fix/fetch-reads-all),
  whose forgekey.Said keeps git's words past the bare "error:" line: the mirror's line said only
  "git -C: error:". Their own git reasons (ls-files, ls-remote, rev-parse, repack) go through it too.

modules/mesh-build-node/go.mod

@@ -3,7 +3,7 @@ module meshbuildnode
 go 1.26.0
 
 require (
-	git.novox.be/novox/mesh-sdk/go v0.1.14-0.20261026125154-6b8497314297
+	git.novox.be/novox/mesh-sdk/go v0.1.14-0.20261026142022-84275cfca751
 	github.com/distribution/distribution/v3 v3.1.2
 	github.com/nats-io/nats.go v1.54.0
 )