Ship floating launcher, automatic discovery and bounded media search improvements

apps/desktop/src/main.ts

@@ -88,6 +88,7 @@ interface Settings {
   version: number;
   roots: string[];
   cpu_threads: number;
+  automatic_indexing?: boolean;
   background_material?: BackgroundMaterial;
   background_opacity?: number;
 }
@@ -160,19 +161,86 @@ interface SearchRequest {
 }
 
 document.querySelector<HTMLDivElement>("#app")!.innerHTML = `
-<header><div class="brand"><img class="brand-symbol" src="/searchi-symbol.png" alt=""><span class="wordmark">searchi</span></div><span id="index-status" class="index-status">Loading your index…</span><div class="header-actions"><button id="add-folder" class="quiet-button" type="button">${icon("folderAdd")}<span>Add folder</span></button><details id="filters" class="popover"><summary>${icon("filter")}<span id="scope-label">All files</span>${icon("chevron")}</summary><div class="popover-panel"><h2>Filter your search</h2><div class="filters-grid"><label>Search scope<select id="filter-scope"><option value="all">All files</option><option value="code">Code</option></select></label><label>Within folder<input id="filter-folder" placeholder="Absolute folder path"></label><label>Extension<input id="filter-extension" placeholder="pdf, md, txt…"></label><label>Artist (exact)<input id="filter-artist" placeholder="Artist from music tags" maxlength="256"></label><label>Track title (exact)<input id="filter-title" placeholder="Title from music tags" maxlength="256"></label><label>Minimum size (bytes)<input id="filter-min" type="number" min="0" step="1"></label><label>Maximum size (bytes)<input id="filter-max" type="number" min="0" step="1"></label><label>Minimum duration (seconds)<input id="filter-duration-min" type="number" min="0" step="0.1"></label><label>Maximum duration (seconds)<input id="filter-duration-max" type="number" min="0" step="0.1"></label><label>Modified from<input id="filter-after" type="date"></label><label>Modified through<input id="filter-before" type="date"></label></div></div></details><details id="settings" class="popover"><summary class="icon-button" aria-label="Settings" title="Settings">${icon("settings")}</summary><div class="popover-panel"><h2>Settings</h2><section class="appearance-settings" aria-labelledby="appearance-heading"><h3 id="appearance-heading">Appearance</h3><label for="background-material">Window background</label><select id="background-material"><option value="solid">Solid</option><option value="glass">Glass</option><option value="frosted">Frosted glass</option></select><div class="appearance-opacity"><label for="background-opacity">Background tint</label><output id="background-opacity-value" for="background-opacity">90%</output></div><input id="background-opacity" type="range" min="70" max="100" step="1" value="90" aria-describedby="appearance-status"><p id="appearance-status" class="hint" role="status">A subtle window background. Search results and passages stay clear.</p></section><h3>Folders & resources</h3><p id="shortcut-status" class="hint"></p><label class="resource-label" for="cpu-threads">CPU thread budget</label><select id="cpu-threads">${Array.from({ length: 8 }, (_, i) => `<option value="${i + 1}">${i + 1} ${i === 1 ? "threads (default)" : i ? "threads" : "thread (low power)"}</option>`).join("")}</select><p class="hint">Search automatically uses supported acceleration with CPU fallback. Two or more threads let search run alongside indexing; one thread can delay semantic search during indexing.</p><ul id="roots" aria-label="Selected folders"></ul><label class="performance-toggle"><input id="performance-toggle" type="checkbox">Performance details</label><p class="hint">Local timing diagnostics for new searches. Queries and file paths are excluded from copied reports.</p><details id="ai-settings" class="ai-settings"><summary>Optional AI answers</summary><label class="performance-toggle"><input id="ai-enabled" type="checkbox">Enable summaries and questions</label><p class="hint">Disabled by default. Only an explicit action sends the shown passage to your configured endpoint.</p><label>OpenAI-compatible base URL<input id="ai-endpoint" type="url" placeholder="http://localhost:1234/v1" autocomplete="off" maxlength="2048"></label><label>Model<input id="ai-model" placeholder="Your model name" autocomplete="off" maxlength="200"></label><label>API key (optional, this session only)<input id="ai-key" type="password" autocomplete="off" maxlength="2048"></label><button id="ai-clear-key" type="button">Clear key</button><p class="hint">Endpoint, model and key stay in this app session. The key authenticates requests to your endpoint.</p></details></div></details></div></header>
+<header id="launcher-header"><div class="brand"><img class="brand-symbol" src="/searchi-symbol.png" alt=""><span class="wordmark">searchi</span></div><span id="index-status" class="index-status">Loading your index…</span><div class="header-actions"><details id="filters" class="popover"><summary>${icon("filter")}<span id="scope-label">All files</span>${icon("chevron")}</summary><div class="popover-panel"><h2>Filter your search</h2><div class="filters-grid"><label>Search scope<select id="filter-scope"><option value="all">All files</option><option value="code">Code</option></select></label><label>Within folder<input id="filter-folder" placeholder="Absolute folder path"></label><label>Extension<input id="filter-extension" placeholder="pdf, md, txt…"></label><label>Artist (exact)<input id="filter-artist" placeholder="Artist from music tags" maxlength="256"></label><label>Track title (exact)<input id="filter-title" placeholder="Title from music tags" maxlength="256"></label><label>Minimum size (bytes)<input id="filter-min" type="number" min="0" step="1"></label><label>Maximum size (bytes)<input id="filter-max" type="number" min="0" step="1"></label><label>Minimum duration (seconds)<input id="filter-duration-min" type="number" min="0" step="0.1"></label><label>Maximum duration (seconds)<input id="filter-duration-max" type="number" min="0" step="0.1"></label><label>Modified from<input id="filter-after" type="date"></label><label>Modified through<input id="filter-before" type="date"></label></div></div></details><details id="settings" class="popover"><summary class="icon-button" aria-label="Settings" title="Settings">${icon("settings")}</summary><div class="popover-panel"><h2>Settings</h2><section class="appearance-settings" aria-labelledby="appearance-heading"><h3 id="appearance-heading">Appearance</h3><label for="background-material">Window background</label><select id="background-material"><option value="solid">Solid</option><option value="glass">Glass</option><option value="frosted">Frosted glass</option></select><div class="appearance-opacity"><label for="background-opacity">Background opacity</label><output id="background-opacity-value" for="background-opacity">90%</output></div><input id="background-opacity" type="range" min="40" max="100" step="1" value="90" aria-describedby="appearance-status"><p id="appearance-status" class="hint" role="status">A subtle window background. Search results and passages stay clear.</p></section><h3>Folders & resources</h3><label class="performance-toggle"><input id="automatic-indexing" type="checkbox" checked>Search my device automatically</label><p class="hint">Your local drives are indexed in the background. Existing results remain searchable when this is off.</p><button id="add-folder" class="quiet-button" type="button">${icon("folderAdd")}<span>Add folder</span></button><p id="shortcut-status" class="hint"></p><label class="resource-label" for="cpu-threads">CPU thread budget</label><select id="cpu-threads">${Array.from({ length: 8 }, (_, i) => `<option value="${i + 1}">${i + 1} ${i === 1 ? "threads (default)" : i ? "threads" : "thread (low power)"}</option>`).join("")}</select><p class="hint">Search automatically uses supported acceleration with CPU fallback. Two or more threads let search run alongside indexing; one thread can delay semantic search during indexing.</p><ul id="roots" aria-label="Selected folders"></ul><label class="performance-toggle"><input id="performance-toggle" type="checkbox">Performance details</label><p class="hint">Local timing diagnostics for new searches. Queries and file paths are excluded from copied reports.</p><details id="ai-settings" class="ai-settings"><summary>Optional AI answers</summary><label class="performance-toggle"><input id="ai-enabled" type="checkbox">Enable summaries and questions</label><p class="hint">Disabled by default. Only an explicit action sends the shown passage to your configured endpoint.</p><label>OpenAI-compatible base URL<input id="ai-endpoint" type="url" placeholder="http://localhost:1234/v1" autocomplete="off" maxlength="2048"></label><label>Model<input id="ai-model" placeholder="Your model name" autocomplete="off" maxlength="200"></label><label>API key (optional, this session only)<input id="ai-key" type="password" autocomplete="off" maxlength="2048"></label><button id="ai-clear-key" type="button">Clear key</button><p class="hint">Endpoint, model and key stay in this app session. The key authenticates requests to your endpoint.</p></details></div></details><button id="setup-details" class="icon-button" type="button" aria-label="Local search setup" title="Local search setup">${icon("sparkles")}</button><button id="hide-launcher" class="icon-button" type="button" aria-label="Hide searchi" title="Hide searchi">${icon("dismiss")}</button></div></header>
 <main>
 <form id="search-form" role="search"><label class="sr-only" for="query">Search your files</label>${icon("search")}<input id="query" type="search" placeholder="Search a filename, phrase, or what you remember…" autocomplete="off" spellcheck="false" maxlength="1000"><kbd id="focus-shortcut">Ctrl K</kbd><button id="clear-query" class="icon-button" type="button" aria-label="Clear search" title="Clear search">${icon("dismiss")}</button></form>
 <details id="semantic-panel"><summary>${icon("sparkles")}<span id="semantic-status" role="status" aria-live="polite">Preparing local semantic search…</span><span id="semantic-device" class="kind">Local model</span>${icon("chevron")}</summary><div class="semantic-content"><strong>Google EmbeddingGemma 2</strong><progress id="semantic-progress" aria-label="Local model setup progress"></progress><p id="semantic-detail" class="hint">The verified local model downloads automatically on first launch (865 MB). Your files stay on this device.</p><p id="speech-status" class="hint" role="status" hidden></p><progress id="speech-progress" aria-label="Local speech model setup progress" hidden></progress><div class="semantic-actions"><button id="retry-model" type="button" hidden>Retry model setup</button><button id="rebuild-semantic" type="button" hidden>Rebuild semantic index</button></div></div></details>
 <form id="folder-form" hidden><label for="folder">Folder to index</label><div class="folder-row"><input id="folder" placeholder="Absolute folder path" required><button id="browse-folder" type="button">Browse…</button><button type="submit">Index folder</button><button id="cancel-folder" type="button">Cancel</button></div><p class="hint">Only choose folders you want searched. Large folders may take a while.</p></form>
-<p id="notice" role="status" aria-live="polite"></p><details id="performance-panel" hidden><summary>Performance details</summary><div id="performance-detail"></div><button id="copy-performance" type="button">Copy local timing report</button><span id="copy-performance-status" role="status"></span></details><div class="workspace"><section class="results-pane" aria-label="Search results"><p id="result-summary" class="eyebrow">READY WHEN YOU ARE</p><ul id="results" aria-label="Matching files"></ul><div id="empty">${icon("search")}<h2>Find what matters. Locally.</h2><p>Index a folder, then search a filename, phrase, or what you remember.</p></div></section><aside id="preview" aria-label="Result preview" hidden><div class="preview-header"><span id="preview-icon" class="file-icon"></span><div class="preview-heading"><h2 id="preview-title"></h2><p id="preview-path" class="path"></p></div></div><div class="preview-toolbar"><span id="preview-kind"></span><div class="preview-actions"><button id="open-result" type="button">${icon("open")}<span>Open file</span></button><button id="reveal-result" type="button" title="Show in folder" aria-label="Show in folder">${icon("folder")}</button></div></div><details id="match-details" class="match-details"><summary>Why this result?</summary><p id="match-reason"></p><p id="match-legend"></p></details><div id="media-preview" class="media-preview" hidden></div><p id="media-preview-status" class="hint" role="status" hidden></p><details id="ai-panel" class="ai-panel" hidden><summary>Summarize or ask</summary><p id="ai-disclosure" class="hint"></p><p class="eyebrow">PASSAGE THAT WILL BE SENT</p><pre id="ai-source-text"></pre><div class="ai-actions"><button id="ai-summarize" type="button" disabled>Summarize this passage</button><label class="sr-only" for="ai-question">Question about this passage</label><input id="ai-question" placeholder="Ask about this passage…" maxlength="2048"><button id="ai-ask" type="button" disabled>Ask</button></div><p id="ai-status" class="hint" role="status"></p><pre id="ai-answer"></pre><p id="ai-answer-label" class="hint"></p><button id="ai-citation" type="button" hidden>Selected source</button></details><div class="passage"><p id="passage-label" class="eyebrow">EXTRACTED PASSAGE</p><pre id="preview-text"></pre></div></aside></div>
-</main><footer><span class="footer-privacy">${icon("lock")}<span id="privacy-summary">Private search. Everything stays on your device.</span><span id="privacy" class="privacy">Local</span></span><span class="keyboard-hints"><kbd>${icon("arrowUp")}</kbd><kbd>${icon("arrowDown")}</kbd><span>Navigate</span><kbd>Enter</kbd><span>Open</span><kbd>Esc</kbd><span>Clear</span></span></footer>`;
+<p id="notice" role="status" aria-live="polite"></p><details id="performance-panel" hidden><summary>Performance details</summary><div id="performance-detail"></div><button id="copy-performance" type="button">Copy local timing report</button><span id="copy-performance-status" role="status"></span></details><div class="workspace"><section class="results-pane" aria-label="Search results"><p id="result-summary" class="eyebrow">READY WHEN YOU ARE</p><ul id="application-results" aria-label="Applications" hidden></ul><ul id="results" aria-label="Matching files"></ul><div id="empty">${icon("search")}<h2>Find what matters. Locally.</h2><p>Your device is indexed in the background. Search an application, filename, phrase, or what you remember.</p></div></section><aside id="application-preview" aria-label="Application preview" hidden><div class="application-detail"><img src="/searchi-symbol.png" alt="" width="48" height="48"><h2 id="application-name"></h2><p class="hint">Installed application</p><button id="launch-application" type="button">${icon("open")} Launch application</button></div></aside><aside id="preview" aria-label="Result preview" hidden><div class="preview-header"><span id="preview-icon" class="file-icon"></span><div class="preview-heading"><h2 id="preview-title"></h2><p id="preview-path" class="path"></p></div></div><div class="preview-toolbar"><span id="preview-kind"></span><div class="preview-actions"><button id="open-result" type="button">${icon("open")}<span>Open file</span></button><button id="reveal-result" type="button" title="Show in folder" aria-label="Show in folder">${icon("folder")}</button></div></div><details id="match-details" class="match-details"><summary>Why this result?</summary><p id="match-reason"></p><p id="match-legend"></p></details><div id="media-preview" class="media-preview" hidden></div><p id="media-preview-status" class="hint" role="status" hidden></p><details id="ai-panel" class="ai-panel" hidden><summary>Summarize or ask</summary><p id="ai-disclosure" class="hint"></p><p class="eyebrow">PASSAGE THAT WILL BE SENT</p><pre id="ai-source-text"></pre><div class="ai-actions"><button id="ai-summarize" type="button" disabled>Summarize this passage</button><label class="sr-only" for="ai-question">Question about this passage</label><input id="ai-question" placeholder="Ask about this passage…" maxlength="2048"><button id="ai-ask" type="button" disabled>Ask</button></div><p id="ai-status" class="hint" role="status"></p><pre id="ai-answer"></pre><p id="ai-answer-label" class="hint"></p><button id="ai-citation" type="button" hidden>Selected source</button></details><div class="passage"><p id="passage-label" class="eyebrow">EXTRACTED PASSAGE</p><pre id="preview-text"></pre></div></aside></div>
+</main><footer><span class="footer-privacy">${icon("lock")}<span id="privacy-summary">Private search. Everything stays on your device.</span><span id="privacy" class="privacy">Local</span></span><span class="keyboard-hints"><kbd>${icon("arrowUp")}</kbd><kbd>${icon("arrowDown")}</kbd><span>Navigate</span><kbd>Enter</kbd><span>Open</span><kbd>Esc</kbd><span>${isNativeDesktop() ? "Hide" : "Clear"}</span></span></footer>`;
 
 const element = <T extends HTMLElement>(id: string) =>
   document.getElementById(id) as T;
 const query = element<HTMLInputElement>("query");
 const list = element<HTMLUListElement>("results");
 const notice = element<HTMLParagraphElement>("notice");
+// Window sizing never delays a search request. Serialize changes so rapid typing
+// cannot leave the native window in an older compact/expanded state.
+let requestedExpansion = false;
+let nativeExpansion: boolean | undefined;
+let resizingLauncher = false;
+function syncLauncher() {
+  let filtered = false;
+  try {
+    filtered = hasSearchInput(query.value, captureFilters());
+  } catch {
+    /* Invalid filters stay editable. */
+  }
+  requestedExpansion =
+    filtered ||
+    document.querySelector(".popover[open]") !== null ||
+    element<HTMLDetailsElement>("semantic-panel").open ||
+    !element("folder-form").hidden;
+  document.documentElement.dataset.launcherLayout = requestedExpansion
+    ? "expanded"
+    : "compact";
+  if (isNativeDesktop() && !resizingLauncher) void resizeLauncher();
+}
+async function resizeLauncher() {
+  resizingLauncher = true;
+  try {
+    while (nativeExpansion !== requestedExpansion) {
+      const expanded = requestedExpansion;
+      await invoke("set_search_layout", { expanded });
+      nativeExpansion = expanded;
+    }
+  } catch (error) {
+    showError(error);
+  } finally {
+    resizingLauncher = false;
+  }
+}
+element("launcher-header").addEventListener("pointerdown", (event) => {
+  if (
+    isNativeDesktop() &&
+    event.button === 0 &&
+    !(event.target as Element).closest("button,summary,input,select,details")
+  ) {
+    void invoke("drag_search").catch(showError);
+  }
+});
+element("hide-launcher").addEventListener("click", () => {
+  if (isNativeDesktop()) void invoke("hide_search").catch(showError);
+  else {
+    query.value = "";
+    void search();
+    query.focus();
+  }
+});
+element("setup-details").addEventListener("click", () => {
+  const panel = element<HTMLDetailsElement>("semantic-panel");
+  panel.open = !panel.open;
+});
+document
+  .querySelectorAll<HTMLDetailsElement>(".popover, #semantic-panel")
+  .forEach((panel) => {
+    panel.addEventListener("toggle", syncLauncher);
+  });
+new MutationObserver(syncLauncher).observe(element("folder-form"), {
+  attributes: true,
+  attributeFilter: ["hidden"],
+});
+
 try {
   element<HTMLInputElement>("performance-toggle").checked =
     localStorage.getItem("searchi-performance-details") === "true";
@@ -180,6 +248,130 @@ try {
   /* Diagnostics remain opt-in when storage is unavailable. */
 }
 let results: SearchResult[] = [];
+interface ApplicationResult {
+  id: string;
+  name: string;
+}
+let applications: ApplicationResult[] = [];
+let selectedApplication = -1;
+let applicationRevision = 0;
+let settledApplicationRevision = -1;
+let applicationQuery = "";
+function selectApplication(index: number, focus = false) {
+  if (!applications.length) return;
+  selectedApplication = Math.max(0, Math.min(index, applications.length - 1));
+  const app = applications[selectedApplication];
+  clearMedia();
+  element("preview").hidden = true;
+  element("application-preview").hidden = false;
+  element("application-name").textContent = app.name;
+  list.querySelectorAll("button").forEach((button) => {
+    button.classList.remove("selected");
+    button.setAttribute("aria-current", "false");
+  });
+  element("application-results")
+    .querySelectorAll<HTMLButtonElement>("button")
+    .forEach((button, i) => {
+      button.classList.toggle("selected", i === selectedApplication);
+      button.setAttribute("aria-current", String(i === selectedApplication));
+      button.tabIndex = i === selectedApplication ? 0 : -1;
+      if (focus && i === selectedApplication) button.focus();
+    });
+}
+async function launchApplication() {
+  const app = applications[selectedApplication];
+  if (
+    !app ||
+    !isNativeDesktop() ||
+    applicationQuery !== query.value.trim() ||
+    settledApplicationRevision !== applicationRevision
+  )
+    return;
+  try {
+    await invoke("launch_application", { id: app.id });
+    await invoke("hide_search");
+  } catch (error) {
+    showError(error);
+  }
+}
+async function refreshApplications() {
+  if (!isNativeDesktop()) return;
+  const value = query.value.trim();
+  const revision = ++applicationRevision;
+  const changed = value !== applicationQuery;
+  applicationQuery = value;
+  if (changed) selectedApplication = -1;
+  let filtersActive = false;
+  try {
+    const filters = captureFilters();
+    filtersActive = Boolean(filters.code_only) || hasSearchInput("", filters);
+  } catch {
+    filtersActive = true;
+  }
+  const found =
+    value && !filtersActive
+      ? await invoke<ApplicationResult[]>("search_applications", {
+          query: value,
+        })
+      : [];
+  if (revision !== applicationRevision || query.value.trim() !== value) return;
+  settledApplicationRevision = revision;
+  applications = found;
+  const appList = element("application-results");
+  appList.replaceChildren();
+  appList.hidden = !found.length;
+  found.forEach((app, i) => {
+    const row = document.createElement("li");
+    const button = document.createElement("button");
+    button.className = "application-result";
+    button.type = "button";
+    const label = document.createElement("strong");
+    label.textContent = app.name;
+    const kind = document.createElement("span");
+    kind.className = "kind";
+    kind.textContent = "Application";
+    button.append(label, kind);
+    button.addEventListener("click", () => selectApplication(i));
+    button.addEventListener("dblclick", () => {
+      selectApplication(i);
+      void launchApplication();
+    });
+    row.append(button);
+    appList.append(row);
+  });
+  if (found.length && (changed || selectedApplication >= 0))
+    selectApplication(selectedApplication < 0 ? 0 : selectedApplication);
+  else if (!found.length) {
+    selectedApplication = -1;
+    element("application-preview").hidden = true;
+  }
+  element("empty").hidden = Boolean(found.length || results.length);
+  const summary = element("result-summary");
+  const fileSummary = (summary.textContent ?? "").replace(
+    /^\d+ APPLICATIONS? � /,
+    "",
+  );
+  summary.textContent = found.length
+    ? `${found.length} APPLICATION${found.length === 1 ? "" : "S"} � ${fileSummary}`
+    : fileSummary;
+}
+element("launch-application").addEventListener(
+  "click",
+  () => void launchApplication(),
+);
+element("automatic-indexing").addEventListener("change", async () => {
+  const checkbox = element<HTMLInputElement>("automatic-indexing");
+  checkbox.disabled = true;
+  try {
+    await invoke("set_automatic_indexing", { enabled: checkbox.checked });
+    await refreshDesktopStatus();
+  } catch (error) {
+    showError(error);
+  } finally {
+    checkbox.disabled = !isNativeDesktop();
+  }
+});
+
 let displayedLiteralQuery = literalQuery("");
 let displayedCodeScope = false;
 let explainedSelection = "";
@@ -318,7 +510,13 @@ const resultRows = new Map<
 const automaticIndex = new AutomaticIndexGate();
 
 function refreshEmptySearchState() {
-  if (!latestSearch || latestSearch.id !== requestId || results.length) return;
+  if (
+    !latestSearch ||
+    latestSearch.id !== requestId ||
+    results.length ||
+    applications.length
+  )
+    return;
   if (!latestSearch.query.trim()) {
     element("empty").querySelector("h2")!.textContent =
       "No matching music tags.";
@@ -439,7 +637,8 @@ async function refreshSemanticStatus() {
     else if (semanticAvailable(status) && status.chunks > 0)
       message = `Semantic search ready · ${status.chunks.toLocaleString()} content segments${status.stale ? " · Updates pending" : ""}${status.media_failures?.length ? ` · ${status.media_failures.length} files could not be indexed` : ""}`;
     else if (status.ready)
-      message = "Google model ready. Index a folder to search by meaning.";
+      message =
+        "Google model ready. Your files become searchable by meaning as background indexing completes.";
     else
       message =
         "Preparing local semantic search… Keyword search remains available.";
@@ -592,8 +791,15 @@ element("background-material").addEventListener("change", () => {
   void saveAppearance();
 });
 element("background-opacity").addEventListener("input", () => {
-  element("background-opacity-value").textContent =
-    `${element<HTMLInputElement>("background-opacity").value}%`;
+  const opacity = element<HTMLInputElement>("background-opacity").value;
+  element("background-opacity-value").textContent = `${opacity}%`;
+  // Preview only an already confirmed compositor material. Persist on release.
+  if (!highContrast.matches && lastAppearance?.native_effect) {
+    document.documentElement.style.setProperty(
+      "--window-opacity",
+      String(Number(opacity) / 100),
+    );
+  }
 });
 element("background-opacity").addEventListener("change", () => {
   void saveAppearance();
@@ -616,6 +822,9 @@ async function refreshDesktopStatus(restoreAppearanceControls = false) {
       restoreAppearanceControls,
     );
   indexingActive = status.indexing;
+  element<HTMLInputElement>("automatic-indexing").checked =
+    status.settings.automatic_indexing ?? true;
+  element<HTMLInputElement>("automatic-indexing").disabled = !isNativeDesktop();
   element("shortcut-status").textContent = status.shortcut_status;
   element("focus-shortcut").textContent = status.shortcut_status.includes(
     "Super",
@@ -671,7 +880,7 @@ async function refreshDesktopStatus(restoreAppearanceControls = false) {
   }
   if (status.indexing)
     element("index-status").textContent =
-      "Indexing active · Search remains available";
+      "Searching your device · Ready to search";
   return status;
 }
 
@@ -885,6 +1094,14 @@ element("ai-citation").addEventListener("click", () => {
 });
 function select(index: number, focus = false, userChoice = true) {
   if (!results.length) return;
+  selectedApplication = -1;
+  element("application-preview").hidden = true;
+  element("application-results")
+    .querySelectorAll("button")
+    .forEach((button) => {
+      button.classList.remove("selected");
+      button.setAttribute("aria-current", "false");
+    });
   selected = Math.max(0, Math.min(index, results.length - 1));
   const result = results[selected];
   if (userChoice) resultSelection.choose(result.path);
@@ -992,7 +1209,7 @@ function render() {
       resultRows.delete(key);
     }
   }
-  element("empty").hidden = results.length > 0;
+  element("empty").hidden = results.length > 0 || applications.length > 0;
   if (!results.length) {
     element("preview").hidden = true;
     previewPath = null;
@@ -1120,7 +1337,8 @@ function applyResults(
   const preserved = resultSelection.resolve(
     results.map((result) => result.path),
   );
-  if (preserved >= 0) select(preserved, resultsHadFocus, false);
+  if (preserved >= 0 && selectedApplication < 0)
+    select(preserved, resultsHadFocus, false);
   if (!found.length) refreshEmptySearchState();
   request.measurement.displayed(
     lane,
@@ -1330,6 +1548,8 @@ function invalidateSearch() {
 }
 
 async function search(inputAt = performance.now()) {
+  syncLauncher();
+  void refreshApplications().catch(showError);
   invalidateSearch();
   querySemanticFailed = false;
   shownLane = "lexical";
@@ -1348,7 +1568,7 @@ async function search(inputAt = performance.now()) {
       element("empty").querySelector("h2")!.textContent =
         "Find what matters. Locally.";
       element("empty").querySelector("p")!.textContent =
-        "Index a folder, then search a filename, phrase, or what you remember.";
+        "Your device is indexed in the background. Search an application, filename, phrase, or what you remember.";
       return;
     }
     resultSelection.begin(JSON.stringify([value, filters]));
@@ -1384,6 +1604,13 @@ async function refreshStats() {
 }
 
 query.addEventListener("input", () => {
+  ++applicationRevision;
+  selectedApplication = -1;
+  applications = [];
+  element("application-results").replaceChildren();
+  element("application-results").hidden = true;
+  element("application-preview").hidden = true;
+  syncLauncher();
   const inputAt = performance.now();
   invalidateSearch();
   timer = setTimeout(() => void search(inputAt), 60);
@@ -1579,7 +1806,35 @@ document.addEventListener("keydown", (event) => {
     void search();
     query.focus();
   }
-  if (event.target === query || list.contains(event.target as Node)) {
+  if (
+    event.target === query ||
+    list.contains(event.target as Node) ||
+    element("application-results").contains(event.target as Node)
+  ) {
+    if (event.key === "Enter" && selectedApplication >= 0) {
+      event.preventDefault();
+      void launchApplication();
+      return;
+    }
+    if (
+      (event.key === "ArrowDown" || event.key === "ArrowUp") &&
+      applications.length
+    ) {
+      event.preventDefault();
+      const step = event.key === "ArrowDown" ? 1 : -1;
+      const position =
+        selectedApplication >= 0
+          ? selectedApplication
+          : applications.length + selected;
+      const next = Math.max(
+        0,
+        Math.min(position + step, applications.length + results.length - 1),
+      );
+      if (next < applications.length) selectApplication(next);
+      else select(next - applications.length);
+      query.focus();
+      return;
+    }
     if (
       event.key === "Enter" &&
       results[selected] &&
@@ -1590,12 +1845,15 @@ document.addEventListener("keydown", (event) => {
     }
     if (event.key === "ArrowDown" || event.key === "ArrowUp") {
       event.preventDefault();
-      select(selected + (event.key === "ArrowDown" ? 1 : -1), true);
+      select(selected + (event.key === "ArrowDown" ? 1 : -1));
+      query.focus();
     }
   }
 });
 async function initializeSurface() {
   await initializeDesktopSurface();
+  document.documentElement.dataset.nativeLauncher = String(isNativeDesktop());
+  syncLauncher();
   renderAppearance();
   if (isNativeDesktop()) {
     appearanceUpdates.submit(highContrast.matches);