Open "session" feature

Nice try, but I'm not sure, I would like that.

I think there was a thread on this already but I cannot locate it currently. 

Storing a list of the currently open files and using that data to open them later on could be done with Scripts already. (Edit: provided the files will not have been moved)
The problem is window positions and Viewing parameters. 

Session is restored if your Photoshop crashed and autosave is turned on.

So... it could work if you will not save anything and you kill Photoshop process :-D :-D

haha, Will this cool crash also support multiple sessions. ;)

Similar to Safari "reopen all windows from last session" - I think that's a great idea. Not sure about CPU/memory handling - but I do like the idea.

If somebody wants to give it a test I cobbled together a simple dialog for storing lists of files and opening them in JavaScript. 

// dialog for storing lists of open files and opening files from lists;// 2017; use it at your own risk;
#target photoshop
// get list if txt-file exists;
var thePath = String($.fileName).slice(0, String($.fileName).lastIndexOf("/")) + "/" + "openfiles.txt";
if (File(thePath).exists == true) {
var theText = readPref (thePath);
var theseFiles = theText.split("\r");
var theFiles = new Array;
for (var a = 0; a < theseFiles.length; a++) {theFiles.push(theseFiles[a].split(","))};
}
else {
var theFiles = [["___"]];
};
////////////////////////////////////
var theSelected = selectAThing(theFiles, thePath);
if (theSelected != null) {
var theFails = new Array;
// open files;
for (var m = 1; m < theSelected.length; m++) {
try {app.open(File(theSelected[m]))}
catch (e) {theFails.push(theFiles[m])};
if (theFails.length > 0) {alert ("the following files could not be opened\n"+theFails.join(", "))}
};
};
////////////////////////////////////
////// read prefs file //////
function readPref (thePath) {
  if (File(thePath).exists == true) {
    var file = File(thePath);
    file.open("r");
    file.encoding= 'BINARY';
    var theText = new String;
    for (var m = 0; m < file.length; m ++) {
      theText = theText.concat(file.readch());
      };
    file.close();
    return String(theText)
    }
  };
////// function to write a preference-file storing a text //////
function writePref (theText, thePath) {
  try {
    var thePrefFile = new File(thePath);
    thePrefFile.open("w");
    for (var m = 0; m < theText.length; m ++) {
      thePrefFile.write(theText[m])
      };
    thePrefFile.close();
return true
    }
  catch (e) {return "fail"};
  };
////// select dialog //////
function selectAThing (theFiles, thePath) {
var theList = new Array;
for (var m = 0; m < theFiles.length; m++) {
theList.push(theFiles[m][0])
};
var dlg = new Window('dialog', "sessions", [500,300,820,410]);
dlg.pathSel = dlg.add('dropdownlist', [12,13,306,35], (theList));
dlg.pathSel.selection = dlg.pathSel[0];
dlg.deleteBtn = dlg.add('button', [13,42,158,52], 'delete');
dlg.newBtn = dlg.add('button', [168,42,313,52], 'add');
dlg.cancelBtn = dlg.add('button', [13,72,158,82], 'Cancel', {name:'cancel'});
dlg.buildBtn = dlg.add('button', [168,72,313,82], 'OK', {name:'ok'});
////////////////////////////////////
dlg.newBtn. function () {
if (app.documents.length > 0) {
var theNewName = prompt("please enter name");
while (theNewName.indexOf(",")!=-1) {theNewName.replace(",","_")};
// collect fullnames of open images;
var pathArray = new Array;
var unsaved = new Array;
for (var n = 0; n < app.documents.length; n++) {
try {
pathArray.push(app.documents[n].fullName)
}
catch (e) {
app.activeDocument = app.documents[n];
tifOpts = new TiffSaveOptions() ;
tifOpts.embedColorProfile = true;
tifOpts.imageCompression = TIFFEncoding.TIFFLZW;
tifOpts.alphaChannels = true;
tifOpts.byteOrder = ByteOrder.MACOS;
tifOpts.layers = true ;
app.documents[n].saveAs((new File("~/Desktop/"+app.documents[n].name+".tif")), tifOpts, false);
pathArray.push(app.documents[n].fullName);
unsaved.push(app.documents[n].name)
}
};
if (unsaved.length > 0) {alert (unsaved.join(", ")+" seem/s to have been unsaved")};
// write the list;
theFiles.push(theNewName+","+pathArray.join(","));
writePref (theFiles.join("\n"), thePath);
dlg.pathSel.add("item", theNewName)
}
};
////////////////////////////////////
dlg.deleteBtn. function () {
var theNew = new Array;
for (var n = 0; n < theFiles.length; n++) {
if (n != dlg.pathSel.selection.index) {
theNew.push(theFiles[n])
}
};
theFiles = theNew;
dlg.pathSel.remove(dlg.pathSel.selection.index);
dlg.pathSel.selection = dlg.pathSel[0];
writePref (theFiles.join("\r"), thePath);
};
////////////////////////////////////
var myReturn = dlg.show ();
// if ok;
if (myReturn == true) {return theFiles[dlg.pathSel.selection.index]} 
else {return null}
};