test(package): cover stale source plugin shadows

Co-authored-by: Vincent Koc <vincentkoc@ieee.org>

scripts/e2e/lib/upgrade-survivor/assertions.mjs

@@ -8,6 +8,7 @@ const SCENARIOS = new Set([
   "bootstrap-persona",
   "plugin-deps-cleanup",
   "configured-plugin-installs",
+  "stale-source-plugin-shadow",
   "tilde-log-path",
   "versioned-runtime-deps",
 ]);
@@ -355,6 +356,13 @@ function assertStateSurvived() {
       assert(actual === contents, `${fileName} was changed during update/doctor`);
     }
   }
+  if (scenario === "stale-source-plugin-shadow") {
+    const staleRoot = path.join(stateDir, "extensions", "opik-openclaw");
+    assert(
+      fs.existsSync(path.join(staleRoot, "src", "index.ts")),
+      "source-only plugin shadow fixture missing",
+    );
+  }
   if (scenario === "versioned-runtime-deps") {
     if (stage === "baseline") {
       return;

scripts/e2e/lib/upgrade-survivor/run.sh

@@ -286,6 +286,47 @@ configured_plugin_installs_enabled() {
   [ "$SCENARIO" = "configured-plugin-installs" ]
 }
 
+source_only_plugin_shadow_enabled() {
+  [ "$SCENARIO" = "stale-source-plugin-shadow" ]
+}
+
+seed_source_only_plugin_shadow() {
+  source_only_plugin_shadow_enabled || return 0
+
+  local shadow_root="$OPENCLAW_STATE_DIR/extensions/opik-openclaw"
+  mkdir -p "$shadow_root/src"
+  cat >"$shadow_root/package.json" <<'JSON'
+{
+  "name": "@opik/opik-openclaw",
+  "version": "0.0.0-upgrade-survivor",
+  "openclaw": {
+    "extensions": ["./src/index.ts"]
+  }
+}
+JSON
+  cat >"$shadow_root/openclaw.plugin.json" <<'JSON'
+{
+  "id": "opik-openclaw",
+  "activation": {
+    "onStartup": false
+  },
+  "configSchema": {
+    "type": "object",
+    "additionalProperties": false,
+    "properties": {}
+  }
+}
+JSON
+  cat >"$shadow_root/src/index.ts" <<'TS'
+export default {
+  id: "opik-openclaw",
+  name: "Source-only Opik shadow",
+  register() {},
+};
+TS
+  echo "Seeded source-only plugin shadow: $shadow_root"
+}
+
 configure_configured_plugin_install_fixture_registry() {
   configured_plugin_installs_enabled || return 0
 
@@ -785,6 +826,7 @@ phase validate-baseline-config validate_baseline_config
 phase install-baseline-plugin-dependencies install_baseline_plugin_dependencies
 phase seed-legacy-plugin-dependency-debris seed_legacy_plugin_dependency_debris
 phase assert-legacy-plugin-dependency-debris assert_legacy_plugin_dependency_debris_present
+phase seed-source-only-plugin-shadow seed_source_only_plugin_shadow
 phase assert-baseline assert_baseline_state
 phase seed-legacy-runtime-deps-symlink seed_legacy_runtime_deps_symlink
 phase resolve-candidate resolve_candidate_version