chore: initial commit of TaskTracker project

Existing ASP.NET API with vanilla JS SPA, WindowWatcher, Chrome extension, and MCP server.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

ChromeExtension/popup.js

@@ -0,0 +1,62 @@
+const API_BASE = "http://localhost:5200";
+const content = document.getElementById("content");
+const errorDiv = document.getElementById("error");
+
+let currentTask = null;
+
+async function loadActiveTask() {
+  try {
+    const res = await fetch(`${API_BASE}/api/tasks/active`);
+    const json = await res.json();
+
+    if (!json.success || !json.data) {
+      content.innerHTML = '<p class="no-task">No active task</p>';
+      return;
+    }
+
+    currentTask = json.data;
+    renderTask(currentTask);
+  } catch (err) {
+    errorDiv.textContent = "Cannot connect to API";
+  }
+}
+
+function renderTask(task) {
+  const isActive = task.status === "Active";
+  const isPaused = task.status === "Paused";
+
+  content.innerHTML = `
+    <div class="task-title">${escapeHtml(task.title)}</div>
+    <span class="task-status status-${task.status}">${task.status}</span>
+    ${task.category ? `<div style="font-size:11px;color:#666;">Category: ${escapeHtml(task.category)}</div>` : ""}
+    <button id="toggleBtn">${isActive ? "Pause Task" : "Resume Task"}</button>
+  `;
+
+  document.getElementById("toggleBtn").addEventListener("click", () => toggleTask(task.id, isActive));
+}
+
+async function toggleTask(taskId, isCurrentlyActive) {
+  try {
+    const action = isCurrentlyActive ? "pause" : "resume";
+    const res = await fetch(`${API_BASE}/api/tasks/${taskId}/${action}`, {
+      method: "PUT",
+      headers: { "Content-Type": "application/json" },
+      body: JSON.stringify({})
+    });
+    const json = await res.json();
+    if (json.success && json.data) {
+      currentTask = json.data;
+      renderTask(currentTask);
+    }
+  } catch (err) {
+    errorDiv.textContent = "Failed to update task";
+  }
+}
+
+function escapeHtml(text) {
+  const div = document.createElement("div");
+  div.textContent = text;
+  return div.innerHTML;
+}
+
+loadActiveTask();