Register R233: a declaration that restores the package manager applies while it does not answer (hq issue 233)

Proved with go run ./cmd/prove R233: fails on mesh-host#90's commit before
(36704b5), passes on the fix (a1f9856, mesh-host#90).

replays/register.go

@@ -327,6 +327,21 @@ var Register = []Replay{
 			"and the account that could have made it",
 		Package: "./internal/apply", Test: "TestAParentSwappedForALinkLeavesItsTargetUntouched",
 		Files: []string{"internal/apply/replay358_test.go"}},
+	// A host without its package manager's configuration refused the declaration that would restore it
+	// (2026-10-04): a declaration that left the package manager's module out removed pacman's configuration
+	// file; from then on pacman did not answer, and the node-engine refused every declaration whole, the
+	// one that named the module again and would have written the file back included. A person restored the
+	// file by hand an hour and a half later. A test in the node-engine, written only with what it had before
+	// its fix, laid over the commit before (mesh-host #90). Fix is the merge of its pull request. The
+	// controller's half of the fix (mesh-controller #263, db7e4869: a machine refused or applied only partly
+	// past one apply interval raises a condition) is held by its own tests there, not by this replay.
+	{ID: "R233", Issue: 233, Kind: InRepository, Repository: "mesh-host", Fix: "a1f9856b3957fa0b11c04294f6367bc6febf5eb0",
+		What: "the package manager's configuration file was removed, pacman stopped answering, and the node-engine " +
+			"refused every declaration whole, the one that would have written the file back included",
+		Asserts: "a declaration that restores the package manager's configuration is applied while pacman does not " +
+			"answer: only what needs pacman fails, with the probe's words, and the file is written and recorded",
+		Package: "./cmd/mesh-host", Test: "TestReplay233",
+		Files: []string{"cmd/mesh-host/replay233_test.go"}},
 	// Not a core incident, and the first of its kind: a module's. The crash loop was found by a person
 	// reading the agent server's log for another reason (issue 268); research 032 measured it, and ADR
 	// 0240 makes the node-engine judge it and the gate fail it.