rename to lib-management.launcher-test (was lib-sporel.launcher-test)

Per ADR-0045 (three-tier library naming) the launcher-test migrates
from the retired lib-sporel.* prefix to the new lib-management.* tier.

- manifest.lib id: lib-sporel.launcher-test -> lib-management.launcher-test
- manifest.core id: lib-sporel.launcher-test.core -> lib-management.launcher-test.core
- init.lua engine.module.dir_of("lib-management.launcher-test")
- README + fsm.lua + init.lua comments updated

Gitea repo renamed in lockstep:
sporel/sporel-lib-sporel.launcher-test ->
sporel/sporel-lib-management.launcher-test

init.lua

@@ -1,15 +1,15 @@
--- lib-sporel.launcher-test — P.3.4
+-- lib-management.launcher-test — P.3.4
 -- 11 assertions: 5 FSM transitions + 1 FSM stability + 5 Engine-Surface existence.
 -- (measure_text runtime-behavior check dropped — needs Raylib font, not loaded in headless test-mode.)
 -- Pattern follows P.3.1 Test-Module-Pattern; TAP output via engine.test.*
 
--- FSM-Source: byte-identical Kopie aus modules/lib-sporel.launcher/fsm.lua.
+-- FSM-Source: byte-identical Kopie aus modules/lib-management.launcher/fsm.lua.
 -- Sporel-Resolver lehnt module-als-dep ab (nur lib-deps werden resolved),
 -- daher hat dieses Test-Modul seine eigene fsm.lua. Drift wird via Smoke-
 -- diff-check verhindert (siehe smoke.sh P0-S15-pre).
 local M = {}
 
-local fsm = dofile(engine.module.dir_of("lib-sporel.launcher-test") .. "/fsm.lua")
+local fsm = dofile(engine.module.dir_of("lib-management.launcher-test") .. "/fsm.lua")
 
 function M.run_tests(ctx)
     -- FSM transitions (5)