fix: restore short Claude plugin slug and skill installs (#1712)

scripts/lib/install-manifests.js

@@ -78,6 +78,56 @@ function dedupeStrings(values) {
   return [...new Set((Array.isArray(values) ? values : []).map(value => String(value).trim()).filter(Boolean))];
 }
 
+function listSkillDirectoryIds(repoRoot) {
+  const skillsRoot = path.join(repoRoot, 'skills');
+  if (!fs.existsSync(skillsRoot) || !fs.statSync(skillsRoot).isDirectory()) {
+    return [];
+  }
+
+  return fs.readdirSync(skillsRoot, { withFileTypes: true })
+    .filter(entry => entry.isDirectory())
+    .map(entry => entry.name)
+    .sort();
+}
+
+function addSyntheticSkillComponents({ repoRoot, modules, components }) {
+  const moduleIds = new Set(modules.map(module => module.id));
+  const componentIds = new Set(components.map(component => component.id));
+
+  for (const skillId of listSkillDirectoryIds(repoRoot)) {
+    const componentId = `skill:${skillId}`;
+    if (componentIds.has(componentId)) {
+      continue;
+    }
+
+    const moduleId = `skill-${skillId}`;
+    if (!moduleIds.has(moduleId)) {
+      modules.push({
+        id: moduleId,
+        kind: 'skills',
+        description: `Single-skill install surface for ${skillId}.`,
+        paths: [`skills/${skillId}`],
+        targets: SUPPORTED_INSTALL_TARGETS.slice(),
+        dependencies: [],
+        defaultInstall: false,
+        cost: 'light',
+        stability: 'stable',
+        synthetic: true,
+      });
+      moduleIds.add(moduleId);
+    }
+
+    components.push({
+      id: componentId,
+      family: 'skill',
+      description: `Install only the ${skillId} skill directory.`,
+      modules: [moduleId],
+      synthetic: true,
+    });
+    componentIds.add(componentId);
+  }
+}
+
 function readOptionalStringOption(options, key) {
   if (
     !Object.prototype.hasOwnProperty.call(options, key)
@@ -164,11 +214,13 @@ function loadInstallManifests(options = {}) {
   const componentsData = fs.existsSync(componentsPath)
     ? readJson(componentsPath, 'install-components.json')
     : { version: null, components: [] };
-  const modules = Array.isArray(modulesData.modules) ? modulesData.modules : [];
+  const modules = Array.isArray(modulesData.modules) ? modulesData.modules.slice() : [];
   const profiles = profilesData && typeof profilesData.profiles === 'object'
     ? profilesData.profiles
     : {};
-  const components = Array.isArray(componentsData.components) ? componentsData.components : [];
+  const components = Array.isArray(componentsData.components) ? componentsData.components.slice() : [];
+
+  addSyntheticSkillComponents({ repoRoot, modules, components });
 
   for (const module of modules) {
     readModuleTargetsOrThrow(module);

scripts/lib/install/request.js

@@ -8,6 +8,12 @@ function dedupeStrings(values) {
   return [...new Set((Array.isArray(values) ? values : []).map(value => String(value).trim()).filter(Boolean))];
 }
 
+function normalizeSkillComponentIds(rawValue) {
+  return dedupeStrings(String(rawValue || '').split(',')).map(value => (
+    value.startsWith('skill:') ? value : `skill:${value}`
+  ));
+}
+
 function parseInstallArgs(argv) {
   const args = argv.slice(2);
   const parsed = {
@@ -45,6 +51,9 @@ function parseInstallArgs(argv) {
         parsed.includeComponentIds.push(componentId.trim());
       }
       index += 1;
+    } else if (arg === '--skill' || arg === '--skills') {
+      parsed.includeComponentIds.push(...normalizeSkillComponentIds(args[index + 1] || ''));
+      index += 1;
     } else if (arg === '--without') {
       const componentId = args[index + 1] || '';
       if (componentId.trim()) {