feat: add basic text content retrieve

src/Surface.zig

@@ -731,10 +731,14 @@ pub fn close(self: *Surface) void {
     const title = self.rt_surface.getTitle();
     const title_copy = if (title) |t| self.alloc.dupe(u8, t) catch null else null;
 
+    // Save terminal contents including scrollback buffer
+    const contents = self.io.terminal.screen.dumpStringAlloc(self.alloc, .{ .screen = .{} }) catch null;
+
     // Save to last closed tabs
     self.app.last_closed_tabs.push(.{
         .title = title_copy,
         .cwd = cwd_copy,
+        .contents = contents,
     }, self.alloc);
 
     log.debug("closing tab - pwd: {s}, title: {s}", .{

src/apprt/glfw.zig

@@ -23,6 +23,7 @@ const CoreSurface = @import("../Surface.zig");
 const configpkg = @import("../config.zig");
 const Config = @import("../config.zig").Config;
 const LastClosedTab = @import("../terminal/closedtabs.zig").LastClosedTab;
+const sgr = @import("../terminal/sgr.zig");
 
 // Get native API access on certain platforms so we can do more customization.
 const glfwNative = glfw.Native(.{
@@ -382,6 +383,11 @@ pub const App = struct {
             try window.core_surface.rt_surface.setTitle(title_z);
         }
 
+        // Restore terminal contents if available
+        if (last_tab.contents) |contents| {
+            try window.core_surface.io.terminal.printString(contents);
+        }
+
         log.debug("Reopening last tab - pwd: {s}, title: {s}", .{
             last_tab.cwd orelse "(null)",
             last_tab.title orelse "(null)",

src/terminal/closedtabs.zig

@@ -6,10 +6,12 @@ const max_closed_tabs = 10;
 pub const LastClosedTab = struct {
     title: ?[]const u8,
     cwd: ?[]const u8,
+    contents: ?[]const u8,
 
     pub fn deinit(self: *LastClosedTab, alloc: Allocator) void {
         if (self.title) |t| alloc.free(t);
         if (self.cwd) |c| alloc.free(c);
+        if (self.contents) |c| alloc.free(c);
     }
 };