Add copy buttons for request and response content in history items

src/widgets/history-item.ui

@@ -87,13 +87,32 @@
 
             <!-- Request Section -->
             <child>
-              <object class="GtkLabel">
+              <object class="GtkBox">
-                <property name="label">Request:</property>
+                <property name="orientation">horizontal</property>
-                <property name="xalign">0</property>
+                <property name="spacing">6</property>
                 <property name="margin-top">6</property>
-                <style>
+                <child>
-                  <class name="heading"/>
+                  <object class="GtkLabel">
-                </style>
+                    <property name="label">Request:</property>
+                    <property name="xalign">0</property>
+                    <property name="hexpand">True</property>
+                    <style>
+                      <class name="heading"/>
+                    </style>
+                  </object>
+                </child>
+                <child>
+                  <object class="GtkButton" id="copy_request_button">
+                    <property name="icon-name">edit-copy-symbolic</property>
+                    <property name="tooltip-text">Copy request to clipboard</property>
+                    <property name="valign">center</property>
+                    <signal name="clicked" handler="on_copy_request_clicked" swapped="no"/>
+                    <style>
+                      <class name="flat"/>
+                      <class name="circular"/>
+                    </style>
+                  </object>
+                </child>
               </object>
             </child>
 
@@ -172,13 +191,32 @@
 
             <!-- Response Section -->
             <child>
-              <object class="GtkLabel">
+              <object class="GtkBox">
-                <property name="label">Response:</property>
+                <property name="orientation">horizontal</property>
-                <property name="xalign">0</property>
+                <property name="spacing">6</property>
                 <property name="margin-top">6</property>
-                <style>
+                <child>
-                  <class name="heading"/>
+                  <object class="GtkLabel">
-                </style>
+                    <property name="label">Response:</property>
+                    <property name="xalign">0</property>
+                    <property name="hexpand">True</property>
+                    <style>
+                      <class name="heading"/>
+                    </style>
+                  </object>
+                </child>
+                <child>
+                  <object class="GtkButton" id="copy_response_button">
+                    <property name="icon-name">edit-copy-symbolic</property>
+                    <property name="tooltip-text">Copy response to clipboard</property>
+                    <property name="valign">center</property>
+                    <signal name="clicked" handler="on_copy_response_clicked" swapped="no"/>
+                    <style>
+                      <class name="flat"/>
+                      <class name="circular"/>
+                    </style>
+                  </object>
+                </child>
               </object>
             </child>
 

src/widgets/history_item.py

@@ -17,7 +17,7 @@
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
 
-from gi.repository import Gtk, GObject
+from gi.repository import Gtk, GObject, Gdk
 from datetime import datetime
 
 
@@ -38,11 +38,13 @@ class HistoryItem(Gtk.Box):
     request_body_text = Gtk.Template.Child()
     request_expander = Gtk.Template.Child()
     request_expander_label = Gtk.Template.Child()
+    copy_request_button = Gtk.Template.Child()
     response_headers_label = Gtk.Template.Child()
     response_body_scroll = Gtk.Template.Child()
     response_body_text = Gtk.Template.Child()
     response_expander = Gtk.Template.Child()
     response_expander_label = Gtk.Template.Child()
+    copy_response_button = Gtk.Template.Child()
     load_button = Gtk.Template.Child()
 
     __gsignals__ = {
@@ -174,6 +176,52 @@ class HistoryItem(Gtk.Box):
             self.response_body_scroll.set_max_content_height(60)
             self.response_expander_label.set_text("Show full response")
 
+    @Gtk.Template.Callback()
+    def on_copy_request_clicked(self, button):
+        """Copy full request to clipboard."""
+        # Build full request text
+        request_text = f"{self.entry.request.method} {self.entry.request.url}\n\n"
+
+        # Add headers
+        if self.entry.request.headers:
+            request_text += "Headers:\n"
+            for key, value in self.entry.request.headers.items():
+                request_text += f"{key}: {value}\n"
+            request_text += "\n"
+
+        # Add body
+        if self.entry.request.body:
+            request_text += "Body:\n"
+            request_text += self.entry.request.body
+
+        # Copy to clipboard
+        clipboard = Gdk.Display.get_default().get_clipboard()
+        clipboard.set(request_text)
+
+    @Gtk.Template.Callback()
+    def on_copy_response_clicked(self, button):
+        """Copy full response to clipboard."""
+        if self.entry.response:
+            # Build full response text
+            response_text = f"{self.entry.response.status_code} {self.entry.response.status_text}\n\n"
+
+            # Add headers
+            if self.entry.response.headers:
+                response_text += self.entry.response.headers
+                response_text += "\n\n"
+
+            # Add body
+            if self.entry.response.body:
+                response_text += self.entry.response.body
+        elif self.entry.error:
+            response_text = f"Error:\n{self.entry.error}"
+        else:
+            response_text = "(no response)"
+
+        # Copy to clipboard
+        clipboard = Gdk.Display.get_default().get_clipboard()
+        clipboard.set(response_text)
+
     def toggle_expanded(self):
         """Toggle between collapsed and expanded view."""
         self.expanded = not self.expanded