Fix partial snippet selection in desktop chat editors

src/app.cpp

@@ -1490,11 +1490,17 @@ void App::transform(int command, int snippet)
                     }
                     Run tail = recent;
                     tail.keys = tail.keys.substr(tail.keys.size() - sn.trigger.size());
-                    if (!tx.select(sn.trigger.size()))
-                        return;
                     autoSelected = true;
                     reason = L"snippet-verification-mismatch";
-                    text = tx.copy();
+                    if (farSnippet)
+                    {
+                        if (!tx.select(sn.trigger.size())) return;
+                        text = tx.copy();
+                    }
+                    else
+                        text = tx.copyRange(sn.trigger.size(), tail.keys,
+                            [&](const std::wstring &candidate) { return tail.match(candidate, available, physicalLayout()) >= 0; },
+                            [&](const std::wstring &candidate) { return tail.matchSuffix(candidate, available, physicalLayout()) >= 0; });
                     if (tail.match(text, available, physicalLayout()) < 0)
                         return;
                     automatic = true;

src/platform.cpp

@@ -435,7 +435,7 @@ bool needsSelectionDelay(HWND target)
 {
     const auto name = lower(processName(target));
     return name == L"ms-teams" || name == L"msedgewebview2" ||
-           name == L"chrome" || name == L"msedge";
+           name == L"chrome" || name == L"msedge" || name == L"chatgpt" || name == L"codex";
 }
 bool selectPrevious(size_t count, const std::function<bool()> &valid)
 {