feat: unify Google Tasks with main system via caching and integrated UI

- Implement SQLite caching layer for Google Tasks
- Integrate Google Tasks into unified Atoms loop (showing in Tasks tab)
- Update Planning tab to include cached Google Tasks
- Enhance Quick Add form with Todoist project selector
- Remove orphaned HandleTasksTab/HandleRefreshTab methods
- Update tests to reflect new BuildTimeline signature and data structures

1 files changed, 34 insertions, 0 deletions

diff --git a/web/templates/partials/tasks-tab.html b/web/templates/partials/tasks-tab.html
index 9e030e4..520bf0d 100644
--- a/web/templates/partials/tasks-tab.html
+++ b/web/templates/partials/tasks-tab.html
@@ -4,6 +4,40 @@
      hx-trigger="refresh-tasks from:body"
      hx-target="#tab-content"
      hx-swap="innerHTML">
+
+    <!-- Quick Add Form (Todoist) -->
+    {{if .Projects}}
+    <details class="mb-6">
+        <summary class="cursor-pointer text-sm text-white/70 hover:text-white font-medium transition-colors mb-2">
+            + Quick Add Todoist Task
+        </summary>
+        <form hx-post="/tasks"
+              hx-target="#tab-content"
+              hx-swap="innerHTML"
+              class="mt-3 space-y-3 bg-black/30 p-4 rounded-lg border border-white/10 max-w-md">
+
+            <input type="text"
+                   name="content"
+                   placeholder="Task content"
+                   required
+                   class="w-full px-3 py-2 bg-black/40 border border-white/20 rounded-lg text-sm text-white placeholder-white/50 focus:ring-2 focus:ring-white/30 focus:border-transparent">
+
+            <select name="project_id"
+                    class="w-full px-3 py-2 bg-black/40 border border-white/20 rounded-lg text-sm text-white focus:ring-2 focus:ring-white/30 focus:border-transparent">
+                <option value="">Select project (optional)...</option>
+                {{range .Projects}}
+                <option value="{{.ID}}">{{.Name}}</option>
+                {{end}}
+            </select>
+
+            <button type="submit"
+                    class="w-full bg-white/10 hover:bg-white/20 text-white px-4 py-2 rounded-lg text-sm font-medium transition-colors border border-white/10">
+                Add Task
+            </button>
+        </form>
+    </details>
+    {{end}}
+
     <!-- Tasks List -->
     {{if .Atoms}}
     <div class="grid gap-3 sm:grid-cols-2 lg:grid-cols-3">