1 files changed, 19 insertions, 3 deletions

diff --git a/src/macos/Sources/AppDelegate.swift b/src/macos/Sources/AppDelegate.swift
index cda35ff0..077367a4 100644
--- a/src/macos/Sources/AppDelegate.swift
+++ b/src/macos/Sources/AppDelegate.swift
@@ -162,6 +162,15 @@ final class AppDelegate: NSObject, NSApplicationDelegate, PardesViewDelegate {
                 let pasteboard = NSPasteboard.general
                 pasteboard.clearContents()
                 _ = pasteboard.setString(yank, forType: .string)
+            },
+            read_clipboard: { _ in
+                // Also the main thread, also inside pardes_tick — but this one
+                // answers immediately: NSPasteboard reads are synchronous, so
+                // the paste lands back in the core before this call returns.
+                // No pump, deliberately: the tick that emitted the effect is
+                // still draining and picks up whatever the paste queued.
+                guard let text = NSPasteboard.general.string(forType: .string) else { return }
+                AppDelegate.paste(text)
             })
 
         // The real grid, never a placeholder: the core holds each shell's
@@ -590,12 +599,19 @@ final class AppDelegate: NSObject, NSApplicationDelegate, PardesViewDelegate {
 
     func pardesViewRequestsPaste(_ view: PardesView) {
         guard let text = NSPasteboard.general.string(forType: .string) else { return }
-        // Swift lends a temporary NUL-terminated UTF-8 buffer for the duration
-        // of the call, which is exactly as long as the core borrows it.
-        pardes_paste(text, text.utf8.count)
+        AppDelegate.paste(text)
         pump()
     }
 
+    // Swift lends a temporary NUL-terminated UTF-8 buffer for the duration of
+    // the call, which is exactly as long as the core borrows it. Static, and
+    // pumping is the caller's business: the read_clipboard callback is a C
+    // function pointer that can capture nothing and is already inside a tick,
+    // where the gesture path is not.
+    private static func paste(_ text: String) {
+        pardes_paste(text, text.utf8.count)
+    }
+
     // ponytail: one window, no tabs — the core has no multi-window notion, so
     // the last window closing really is the end of the process.
     func applicationShouldTerminateAfterLastWindowClosed(_ sender: NSApplication) -> Bool {