feat(installer): support pi package remove and update

scripts/manage-skills.mjs

@@ -11,6 +11,7 @@ import {
   detectInstalledClients,
   detectInstalledSkills,
   executeOperation,
+  isPiPackageInstalled,
   parseReviewerShorthand,
   resolveClientScope,
   reviewerRuntimeRoot,
@@ -93,6 +94,10 @@ async function buildCliSelection(args) {
   const clientId = args.client;
   if (!CLIENTS[clientId]) throw new Error(`Unsupported client: ${clientId}`);
   const scope = args.scope || (clientId === "pi" && args.piPackage ? "packageGlobal" : "global");
+  const scopeInfo = resolveClientScope(clientId, scope, process.cwd());
+  if (clientId === "pi" && scopeInfo.packageMode) {
+    return { selections: [{ clientId, scope, action: args.action || "install", actions: {} }] };
+  }
   const skills = args.skills.length ? args.skills : Object.keys(SKILLS);
   const action = args.action || "install";
   const actions = Object.fromEntries(skills.map((skill) => [skill, action]));
@@ -129,7 +134,17 @@ async function interactiveAnswers({ dryRun = false } = {}) {
       const scopeInfo = resolveClientScope(clientId, scope, process.cwd());
       if (scopeInfo.packageMode) {
         console.log(`${clientId}/${scope}: package mode manages the full Pi package bundle; per-skill prompts are skipped.`);
-        selections.push({ clientId, scope, action: "install", actions: {} });
+        const installed = await isPiPackageInstalled({ scope, repoRoot: process.cwd() });
+        const choices = "install/update/reinstall/remove/skip";
+        const defaultAction = installed ? "skip" : "install";
+        const answer = await rl.question(`${clientId}/${scope} package is ${installed ? "installed" : "not-installed"}; action (${choices}) [${defaultAction}]: `);
+        const chosen = answer.trim() || defaultAction;
+        if (!choices.split("/").includes(chosen)) {
+          console.log(`Invalid action '${chosen}', using skip.`);
+          selections.push({ clientId, scope, action: "skip", actions: {} });
+        } else {
+          selections.push({ clientId, scope, action: chosen, actions: {} });
+        }
         continue;
       }
       const installed = await detectInstalledSkills({ clientId, skillsRoot: scopeInfo.skillsRoot });
@@ -261,7 +276,7 @@ async function main() {
     client: op.clientId,
     scope: op.scope,
     item: op.skill || op.helper || op.kind,
-    action: op.action,
+    action: op.displayAction || op.action,
     status: op.status,
     details: op.details || op.target || "",
   }));