Replace rollback with manual version selection and simplify updater

pikit-web/assets/api.js

@@ -53,10 +53,12 @@ export const applyRelease = () =>
   api("/api/update/apply", {
     method: "POST",
   });
-export const rollbackRelease = () =>
-  api("/api/update/rollback", {
+export const applyReleaseVersion = (version) =>
+  api("/api/update/apply_version", {
     method: "POST",
+    body: JSON.stringify({ version }),
   });
+export const listReleases = () => api("/api/update/releases");
 export const setReleaseAutoCheck = (enable) =>
   api("/api/update/auto", {
     method: "POST",

pikit-web/assets/releases.js

@@ -5,7 +5,8 @@ import {
   getReleaseStatus,
   checkRelease,
   applyRelease,
-  rollbackRelease,
+  applyReleaseVersion,
+  listReleases,
   setReleaseAutoCheck,
   setReleaseChannel,
 } from "./api.js";
@@ -24,7 +25,8 @@ export function initReleaseUI({ showToast, showBusy, hideBusy, confirmAction, lo
   const releaseProgress = document.getElementById("releaseProgress");
   const releaseCheckBtn = document.getElementById("releaseCheckBtn");
   const releaseApplyBtn = document.getElementById("releaseApplyBtn");
-  const releaseRollbackBtn = document.getElementById("releaseRollbackBtn");
+  const releaseVersionSelect = document.getElementById("releaseVersionSelect");
+  const releaseApplyVersionBtn = document.getElementById("releaseApplyVersionBtn");
   const releaseAutoCheck = document.getElementById("releaseAutoCheck");
   const releaseLog = document.getElementById("releaseLog");
   const releaseLogStatus = document.getElementById("releaseLogStatus");
@@ -46,6 +48,7 @@ export function initReleaseUI({ showToast, showBusy, hideBusy, confirmAction, lo
   let changelogCache = { version: null, text: "" };
   let lastChangelogUrl = null;
   let releaseChannel = "dev";
+  let releaseOptions = [];
   const logger = createReleaseLogger(logUi);
   logger.attach(releaseLog);
 
@@ -64,6 +67,41 @@ export function initReleaseUI({ showToast, showBusy, hideBusy, confirmAction, lo
     }
   };
 
+  async function loadReleaseList() {
+    if (!releaseVersionSelect) return;
+    try {
+      const data = await listReleases();
+      releaseOptions = data.releases || [];
+      releaseVersionSelect.innerHTML = "";
+      if (!releaseOptions.length) {
+        const opt = document.createElement("option");
+        opt.value = "";
+        opt.textContent = "No releases found";
+        releaseVersionSelect.appendChild(opt);
+        releaseVersionSelect.disabled = true;
+        releaseApplyVersionBtn && (releaseApplyVersionBtn.disabled = true);
+        return;
+      }
+      releaseVersionSelect.disabled = false;
+      releaseOptions.forEach((r) => {
+        const opt = document.createElement("option");
+        opt.value = r.version;
+        const tag = r.prerelease ? " (dev)" : "";
+        opt.textContent = `${r.version}${tag}${r.published_at ? ` — ${fmtDate(r.published_at)}` : ""}`;
+        releaseVersionSelect.appendChild(opt);
+      });
+      if (releaseApplyVersionBtn) releaseApplyVersionBtn.disabled = false;
+    } catch (e) {
+      releaseVersionSelect.innerHTML = "";
+      const opt = document.createElement("option");
+      opt.value = "";
+      opt.textContent = "Failed to load releases";
+      releaseVersionSelect.appendChild(opt);
+      releaseVersionSelect.disabled = true;
+      if (releaseApplyVersionBtn) releaseApplyVersionBtn.disabled = true;
+    }
+  }
+
   function setReleaseChip(state) {
     if (!releaseFlagTop) return;
     releaseFlagTop.textContent = "Pi-Kit: n/a";
@@ -237,6 +275,7 @@ export function initReleaseUI({ showToast, showBusy, hideBusy, confirmAction, lo
     releaseBtn?.addEventListener("click", () => {
       releaseModal?.classList.remove("hidden");
       loadReleaseStatus(true);
+      loadReleaseList();
     });
     releaseClose?.addEventListener("click", () => releaseModal?.classList.add("hidden"));
     // Do not allow dismiss by clicking backdrop (consistency with other modals)
@@ -299,19 +338,24 @@ export function initReleaseUI({ showToast, showBusy, hideBusy, confirmAction, lo
       }
     });
 
-    releaseRollbackBtn?.addEventListener("click", async () => {
+    releaseApplyVersionBtn?.addEventListener("click", async () => {
+      if (!releaseVersionSelect || !releaseVersionSelect.value) {
+        showToast("Select a version first", "error");
+        return;
+      }
       try {
         lastReleaseToastKey = null;
-        logUi("Rollback requested");
+        const ver = releaseVersionSelect.value;
+        logUi(`Install version ${ver} requested`);
         releaseBusyActive = true;
-        showBusy("Rolling back…", "Restoring previous backup.");
-        logRelease("Starting rollback…");
-        await rollbackRelease();
+        showBusy(`Installing ${ver}…`, "Applying selected release. This can take up to a minute.");
+        logRelease(`Installing ${ver}…`);
+        await applyReleaseVersion(ver);
         pollReleaseStatus();
-        showToast("Rollback started", "success");
+        showToast(`Installing ${ver}`, "success");
       } catch (e) {
-        showToast(e.error || "Rollback failed", "error");
-        logRelease(`Error: ${e.error || "Rollback failed"}`);
+        showToast(e.error || "Install failed", "error");
+        logRelease(`Error: ${e.error || "Install failed"}`);
       } finally {
         if (releaseProgress) releaseProgress.textContent = "";
       }
@@ -334,6 +378,7 @@ export function initReleaseUI({ showToast, showBusy, hideBusy, confirmAction, lo
         releaseChannel = chan;
         logRelease(`Channel set to ${chan}`);
         await loadReleaseStatus(true);
+        await loadReleaseList();
       } catch (e) {
         showToast(e.error || "Failed to save channel", "error");
         releaseChannelToggle.checked = releaseChannel === "dev";