chore: clear dead test and allowlist leftovers of dropped runtimes

tests/runtime-homes-descriptor-drive.test.cjs

@@ -159,8 +159,8 @@ describe('descriptor-driven equivalence: tilde expansion in env overrides', () =
 //
 // `expandTilde` used to hardcode `os.homedir()` and ignore the `home` that
 // `resolveConfigHomeFromDescriptor` had already resolved from `opts.home`.
-// Every configHome.env override (claude's CLAUDE_CONFIG_DIR, pi's
-// PI_CODING_AGENT_DIR, antigravity, windsurf, ...) routes a tilde-prefixed
+// Every configHome.env override (claude's CLAUDE_CONFIG_DIR,
+// antigravity, ...) routes a tilde-prefixed
 // value through this seam. A caller that injects a sandbox `home` — exactly
 // what hermetic tests do to keep installs inside a temp dir — silently got
 // the developer's REAL home directory back instead, both a correctness bug
@@ -206,7 +206,7 @@ describe('expandTilde honors an injected opts.home (regression)', () => {
 // ── #3023 review finding 1: whitespace-only env override must fall back ──────
 //
 // expandTilde's old call sites gated on a bare `if (val)`, which is falsy
-// only for `''`. A whitespace-only value (e.g. `PI_CODING_AGENT_DIR='   '`,
+// only for `''`. A whitespace-only value (e.g. `CLAUDE_CONFIG_DIR='   '`,
 // which a broken shell template can produce when a substitution is blank but
 // still quoted) passed the truthy check and resolved to the literal
 // three-space string instead of falling back to the descriptor default. The
@@ -214,7 +214,7 @@ describe('expandTilde honors an injected opts.home (regression)', () => {
 // resolveConfigHomeFromDescriptor on `hasNonBlankOverride` (real string, at
 // least one non-whitespace char) instead of bare truthiness — covering
 // dot-home, dot-home-nested, all three xdg steps, and generic-agents-root
-// alike (same class, same fix, not just pi's branch).
+// alike (same class, same fix).
 //
 // Leading/trailing whitespace on an otherwise non-blank value is deliberately
 // NOT trimmed (see hasNonBlankOverride's doc comment in runtime-homes.cts):
@@ -315,7 +315,7 @@ describe('#3023 review finding 1: whitespace-only env override falls back to def
 
 // ── GOLDEN XDG SCENARIOS ──────────────────────────────────────────────────────
 
-describe('descriptor-driven equivalence: xdg runtimes (opencode, kilo)', () => {
+describe('descriptor-driven equivalence: xdg runtimes (opencode)', () => {
   // opencode
   test('opencode: OPENCODE_CONFIG (file-path) → dirname', () => {
     const saved = clearAllEnvKeys();
@@ -810,8 +810,6 @@ describe('descriptor-driven parity: 13 non-probe registry runtimes × no-env-var
 //
 // Fix introduces msd-core/bin/lib/runtime-homes.cjs with first-class
 // support for every supported runtime, including:
-//   - hermes: nested skills/msd/<skillName>/ layout (#2841)
-//   - cline: rules-based, returns null (no skills directory)
 //   - CLAUDE_CONFIG_DIR env var for Claude (was missing)
 //   - All other runtime-specific env vars
 
@@ -953,7 +951,7 @@ describe('bug #3126: runtime-homes getGlobalSkillDir', () => {
   });
 });
 
-describe('getGlobalConfigDir — explicitDir override and opencode/kilo file-path precedence', () => {
+describe('getGlobalConfigDir — explicitDir override and opencode file-path precedence', () => {
   // ── explicitDir override ──────────────────────────────────────────────────
   test('explicitDir absolute path is returned as-is (claude)', () => {
     assert.strictEqual(String(getGlobalConfigDir('claude', '/tmp/x')).replace(/\\/g, '/'), '/tmp/x');
@@ -1107,5 +1105,3 @@ describe('bug #3126: buildAgentSkillsBlock resolves the agent-skills path per ru
 });
   });
 }
-
-// ── resolveKimiHooksTomlDir: per-runtime hooks root (#2755) ──────────────────