Add self-healing path relocation for multi-disk portability, macOS native folder picker, and double-clickable launch.command

index.html

@@ -341,6 +341,7 @@ mark{background:rgba(34,211,238,.28);color:#fff;border-radius:2px;padding:0 1px}
     <div class="controls">
       <div class="folderRow">
         <input id="folder" spellcheck="false" placeholder="/path/to/your/photos">
+        <button id="btnBrowseFolder" title="Open native macOS folder chooser">📁 Browse</button>
         <button id="btnScan">◈ Scan Directory</button>
       </div>
       <button id="btnStart" class="btn-primary" disabled>▶ Start Pipeline</button>
@@ -991,6 +992,20 @@ async function api(path, body){
   return j;
 }
 
+if($("btnBrowseFolder")){
+  $("btnBrowseFolder").onclick = async ()=>{
+    $("btnBrowseFolder").disabled = true;
+    const j = await api("/api/choose_folder");
+    $("btnBrowseFolder").disabled = false;
+    if(j.ok && j.folder){
+      $("folder").value = j.folder;
+      showToast("Selected folder: " + j.folder, "ok");
+      const scanRes = await api("/api/scan",{folder: j.folder});
+      if(scanRes.images!=null){ scanned=true; setBadge("idle"); }
+    }
+  };
+}
+
 $("btnScan").onclick = async ()=>{
   const j = await api("/api/scan",{folder:$("folder").value});
   if(j.images!=null){ scanned=true; setBadge("idle"); }