feat(ui): add delete confirmation modal

src/components/projects/ProjectDashboard.tsx

@@ -4,6 +4,7 @@ import { useParams, Link, useNavigate } from "react-router-dom";
 import { getProject, deleteProject, listTrackers, listProcessedTickets } from "../../lib/api";
 import type { Project, WatchedTracker, ProcessedTicket } from "../../lib/types";
 import TrackerList from "../trackers/TrackerList";
+import ConfirmModal from "../ui/ConfirmModal";
 
 type ActivityLevel = "info" | "success" | "error";
 
@@ -41,6 +42,7 @@ export default function ProjectDashboard() {
   const [activity, setActivity] = useState<ActivityItem[]>([]);
   const [activePolls, setActivePolls] = useState<Record<string, string>>({});
   const [activeAgents, setActiveAgents] = useState<Record<string, string>>({});
+  const [isDeleteModalOpen, setIsDeleteModalOpen] = useState(false);
 
   function appendActivity(level: ActivityLevel, message: string) {
     const item: ActivityItem = {
@@ -218,8 +220,7 @@ export default function ProjectDashboard() {
 
   async function handleDelete() {
     if (!projectId) return;
-    if (!window.confirm(`Delete project "${project?.name}"?`)) return;
+    setIsDeleteModalOpen(false);
-
     await deleteProject(projectId);
     window.dispatchEvent(new Event("orchai:refresh-projects"));
     navigate("/");
@@ -258,7 +259,7 @@ export default function ProjectDashboard() {
             Edit
           </Link>
           <button
-            onClick={handleDelete}
+            onClick={() => setIsDeleteModalOpen(true)}
             className="px-3 py-1 bg-red-100 text-red-700 rounded text-sm hover:bg-red-200"
           >
             Delete
@@ -292,6 +293,12 @@ export default function ProjectDashboard() {
         <TrackerList trackers={trackers} projectId={project.id} onRefresh={loadData} />
       </div>
 
+      <ConfirmModal
+        isOpen={isDeleteModalOpen}
+        onCancel={() => setIsDeleteModalOpen(false)}
+        onConfirm={() => void handleDelete()}
+      />
+
       <div className="mt-8">
         <h3 className="text-lg font-semibold mb-4">Live Activity</h3>
         <div className="bg-white rounded-lg border border-gray-200 p-4 space-y-4">

src/components/settings/SettingsPage.tsx

@@ -7,6 +7,7 @@ import {
 } from "../../lib/api";
 import { getErrorMessage } from "../../lib/errors";
 import type { TuleapCredentialsSafe } from "../../lib/types";
+import ConfirmModal from "../ui/ConfirmModal";
 
 export default function SettingsPage() {
   const [tuleapUrl, setTuleapUrl] = useState("");
@@ -18,6 +19,7 @@ export default function SettingsPage() {
   const [saving, setSaving] = useState(false);
   const [testing, setTesting] = useState(false);
   const [deleting, setDeleting] = useState(false);
+  const [isDeleteModalOpen, setIsDeleteModalOpen] = useState(false);
 
   useEffect(() => {
     getTuleapCredentials().then((creds) => {
@@ -64,7 +66,7 @@ export default function SettingsPage() {
   }
 
   async function handleDelete() {
-    if (!window.confirm("Delete Tuleap credentials? This cannot be undone.")) return;
+    setIsDeleteModalOpen(false);
     clearMessages();
     setDeleting(true);
     try {
@@ -160,7 +162,7 @@ export default function SettingsPage() {
             {existing && (
               <button
                 type="button"
-                onClick={handleDelete}
+                onClick={() => setIsDeleteModalOpen(true)}
                 disabled={deleting}
                 className="px-4 py-2 bg-red-600 text-white rounded text-sm hover:bg-red-700 disabled:opacity-50"
               >
@@ -170,6 +172,13 @@ export default function SettingsPage() {
           </div>
         </form>
       </div>
+
+      <ConfirmModal
+        isOpen={isDeleteModalOpen}
+        confirmDisabled={deleting}
+        onCancel={() => setIsDeleteModalOpen(false)}
+        onConfirm={() => void handleDelete()}
+      />
     </div>
   );
 }

src/components/tickets/TicketDetail.tsx

@@ -12,6 +12,7 @@ import {
 } from "../../lib/api";
 import { getErrorMessage } from "../../lib/errors";
 import type { ProcessedTicket, Worktree } from "../../lib/types";
+import ConfirmModal from "../ui/ConfirmModal";
 
 function statusBadgeClass(status: string): string {
   switch (status) {
@@ -67,6 +68,7 @@ export default function TicketDetail() {
   const [tab, setTab] = useState<"info" | "analyst" | "developer" | "diff">("info");
   const [loading, setLoading] = useState(false);
   const [error, setError] = useState("");
+  const [isDeleteWorktreeModalOpen, setIsDeleteWorktreeModalOpen] = useState(false);
 
   async function loadData() {
     if (!ticketId) return;
@@ -136,7 +138,7 @@ export default function TicketDetail() {
 
   async function handleDeleteWorktree() {
     if (!worktree) return;
-    if (!window.confirm("Delete this worktree and its branch?")) return;
+    setIsDeleteWorktreeModalOpen(false);
     setLoading(true);
     try {
       await deleteWorktreeCmd(worktree.id);
@@ -289,7 +291,7 @@ export default function TicketDetail() {
                 </button>
               </div>
               <button
-                onClick={handleDeleteWorktree}
+                onClick={() => setIsDeleteWorktreeModalOpen(true)}
                 disabled={loading}
                 className="text-sm text-red-600 hover:underline"
               >
@@ -319,6 +321,13 @@ export default function TicketDetail() {
       )}
 
       {tab === "diff" && <DiffViewer diff={diff || ""} />}
+
+      <ConfirmModal
+        isOpen={isDeleteWorktreeModalOpen}
+        confirmDisabled={loading}
+        onCancel={() => setIsDeleteWorktreeModalOpen(false)}
+        onConfirm={() => void handleDeleteWorktree()}
+      />
     </div>
   );
 }

src/components/trackers/TrackerList.tsx

@@ -2,6 +2,7 @@ import { useState } from "react";
 import { Link } from "react-router-dom";
 import { manualPoll, updateTracker, removeTracker } from "../../lib/api";
 import type { WatchedTracker } from "../../lib/types";
+import ConfirmModal from "../ui/ConfirmModal";
 
 interface Props {
   trackers: WatchedTracker[];
@@ -11,6 +12,7 @@ interface Props {
 
 export default function TrackerList({ trackers, projectId, onRefresh }: Props) {
   const [pollingIds, setPollingIds] = useState<string[]>([]);
+  const [trackerToRemove, setTrackerToRemove] = useState<WatchedTracker | null>(null);
 
   async function handlePollNow(tracker: WatchedTracker) {
     try {
@@ -41,8 +43,10 @@ export default function TrackerList({ trackers, projectId, onRefresh }: Props) {
     }
   }
 
-  async function handleRemove(tracker: WatchedTracker) {
+  async function handleConfirmRemove() {
-    if (!window.confirm(`Remove tracker "${tracker.tracker_label}"?`)) return;
+    if (!trackerToRemove) return;
+    const tracker = trackerToRemove;
+    setTrackerToRemove(null);
     try {
       await removeTracker(tracker.id);
       onRefresh();
@@ -107,7 +111,7 @@ export default function TrackerList({ trackers, projectId, onRefresh }: Props) {
             </button>
             <button
               type="button"
-              onClick={() => handleRemove(tracker)}
+              onClick={() => setTrackerToRemove(tracker)}
               className="px-3 py-1 bg-red-100 text-red-700 rounded text-xs hover:bg-red-200"
             >
               Remove
@@ -122,6 +126,12 @@ export default function TrackerList({ trackers, projectId, onRefresh }: Props) {
       >
         Add tracker
       </Link>
+
+      <ConfirmModal
+        isOpen={trackerToRemove !== null}
+        onCancel={() => setTrackerToRemove(null)}
+        onConfirm={() => void handleConfirmRemove()}
+      />
     </div>
   );
 }

src/components/ui/ConfirmModal.tsx

@@ -0,0 +1,74 @@
+import { useEffect } from "react";
+
+interface ConfirmModalProps {
+  isOpen: boolean;
+  message?: string;
+  title?: string;
+  confirmLabel?: string;
+  cancelLabel?: string;
+  confirmDisabled?: boolean;
+  onConfirm: () => void;
+  onCancel: () => void;
+}
+
+export default function ConfirmModal({
+  isOpen,
+  message = "Êtes-vous sûr de vouloir supprimer cet item ?",
+  title = "Confirmer la suppression",
+  confirmLabel = "Supprimer",
+  cancelLabel = "Annuler",
+  confirmDisabled = false,
+  onConfirm,
+  onCancel,
+}: ConfirmModalProps) {
+  useEffect(() => {
+    if (!isOpen) return;
+
+    function handleKeyDown(event: KeyboardEvent) {
+      if (event.key === "Escape") {
+        onCancel();
+      }
+    }
+
+    window.addEventListener("keydown", handleKeyDown);
+    return () => window.removeEventListener("keydown", handleKeyDown);
+  }, [isOpen, onCancel]);
+
+  if (!isOpen) return null;
+
+  return (
+    <div
+      className="fixed inset-0 z-50 flex items-center justify-center bg-black/50 px-4"
+      onClick={onCancel}
+    >
+      <div
+        role="dialog"
+        aria-modal="true"
+        aria-label={title}
+        className="w-full max-w-md rounded-lg border border-gray-200 bg-white p-5 shadow-xl"
+        onClick={(event) => event.stopPropagation()}
+      >
+        <h3 className="text-base font-semibold text-gray-900">{title}</h3>
+        <p className="mt-2 text-sm text-gray-600">{message}</p>
+
+        <div className="mt-5 flex justify-end gap-2">
+          <button
+            type="button"
+            onClick={onCancel}
+            className="rounded bg-gray-200 px-3 py-1.5 text-sm text-gray-700 hover:bg-gray-300"
+          >
+            {cancelLabel}
+          </button>
+          <button
+            type="button"
+            onClick={onConfirm}
+            disabled={confirmDisabled}
+            className="rounded bg-red-600 px-3 py-1.5 text-sm text-white hover:bg-red-700 disabled:opacity-50"
+          >
+            {confirmLabel}
+          </button>
+        </div>
+      </div>
+    </div>
+  );
+}