ctrl+v image + @file accepts images (#1695)

allow ctrl+v in TUI for images + @file that are images are appended as
raw files (and read by the model) rather than pasted as a path that
cannot be read by the model.

Re-used components and same interface we're using for copying pasted
content in
72504f1d9c.
@aibrahim-oai as you've implemented this, mind having a look at this
one?


https://github.com/user-attachments/assets/c6c1153b-6b32-4558-b9a2-f8c57d2be710

---------

Co-authored-by: easong-openai <easong@openai.com>
Co-authored-by: Daniel Edrisian <dedrisian@openai.com>
Co-authored-by: Michael Bolin <mbolin@openai.com>

codex-rs/tui/src/bottom_pane/mod.rs

@@ -1,4 +1,5 @@
 //! Bottom pane: shows the ChatComposer or a BottomPaneView, if one is active.
+use std::path::PathBuf;
 
 use crate::app_event_sender::AppEventSender;
 use crate::tui::FrameRequester;
@@ -342,6 +343,24 @@ impl BottomPane {
         self.composer.on_file_search_result(query, matches);
         self.request_redraw();
     }
+
+    pub(crate) fn attach_image(
+        &mut self,
+        path: PathBuf,
+        width: u32,
+        height: u32,
+        format_label: &str,
+    ) {
+        if self.active_view.is_none() {
+            self.composer
+                .attach_image(path, width, height, format_label);
+            self.request_redraw();
+        }
+    }
+
+    pub(crate) fn take_recent_submission_images(&mut self) -> Vec<PathBuf> {
+        self.composer.take_recent_submission_images()
+    }
 }
 
 impl WidgetRef for &BottomPane {