Cite the hq issues by the numbers they were given: 285, 286, 287

(cherry picked from commit 8bf7026d97)

cmd/mesh-controller/check_here.go

@@ -17,7 +17,7 @@ import (
 )
 
 // `check-here` is a pull request's merge check run on the machine at hand **exactly as the build seat
-// runs it** (novox/hq issue 283): the same code (builder.Check), the same ask the controller would make of
+// runs it** (novox/hq issue 286): the same code (builder.Check), the same ask the controller would make of
 // the seat — the gate's modules and judge by the planner's own answer over the facts snapshot, the
 // repositories beside it at the refs the snapshot says the seat clones them at — in the toolchain image
 // the mesh holds, as the user the build seat runs as, against a throwaway store and bus of the versions
@@ -126,7 +126,7 @@ func checkHereCommand(ctx context.Context, args []string) error {
 	}
 	if len(toolchains) == 0 {
 		return errors.New("the facts snapshot names no toolchain: it was taken by a controller from before " +
-			"issue 283, and the seat's toolchain cannot be known here")
+			"issue 286, and the seat's toolchain cannot be known here")
 	}
 	beside := map[string]builder.Beside{}
 	for d, ref := range f.Beside {