Show today's tasks as seed chips on the planning screen

The planning view renders Marvin's today list as clickable chips;
clicking one fills the intent field, feeding the existing coach flow.
idle/error/empty render nothing, pending shows a quiet loading line.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

internal/web/static/app.css

@@ -107,3 +107,12 @@ input:focus { outline: 0; border-color: var(--accent); }
   font-variant-numeric: tabular-nums; color: var(--ink-dim);
 }
 .summary-row span:last-child { color: var(--ink); font-family: ui-monospace, monospace; }
+
+/* Planning: today's tasks as clickable seed chips */
+.tasklist { display: flex; flex-wrap: wrap; gap: 8px; }
+.task-chip {
+  padding: 6px 10px; border: 1px solid var(--line); border-radius: 999px;
+  background: var(--bg); color: var(--ink); font: inherit; font-size: 13px;
+  cursor: pointer; text-align: left;
+}
+.task-chip:hover { border-color: var(--accent); color: var(--accent); }

internal/web/static/app.js

@@ -136,11 +136,33 @@ function updatePlanningCoach(coach) {
   }
 }
 
+// updatePlanningTasks renders today's Marvin tasks as clickable seed chips.
+// Clicking a chip fills the intent field; the coach pipeline is unchanged.
+// idle/error/empty render nothing; pending shows a quiet loading line.
+function updatePlanningTasks(tasks) {
+  const el = document.getElementById('tasksBand');
+  if (!el) return;
+  if (!tasks || tasks.status === 'idle' || tasks.status === 'error') { el.innerHTML = ''; return; }
+  if (tasks.status === 'pending') { el.innerHTML = `<div class="meta">loading tasks…</div>`; return; }
+  const list = tasks.tasks || [];
+  if (!list.length) { el.innerHTML = ''; return; }
+  const chips = list.map((t, i) =>
+    `<button type="button" class="task-chip" data-i="${i}">${t.title}</button>`).join('');
+  el.innerHTML = `<label>Today</label><div class="tasklist">${chips}</div>`;
+  el.querySelectorAll('.task-chip').forEach(btn => {
+    btn.onclick = () => {
+      const intent = document.getElementById('intent');
+      if (intent) { intent.value = list[+btn.dataset.i].title; intent.focus(); }
+    };
+  });
+}
+
 function render(state) {
   setStateAttr(state);
   const rs = state.runtime_state;
   if (rs === 'planning' && renderedState === 'planning') {
     updatePlanningCoach(state.coach);
+    updatePlanningTasks(state.tasks);
     return;
   }
   if (rs === 'active' && renderedState === 'active') {
@@ -166,6 +188,7 @@ function render(state) {
         <button id="sharpen" type="button" class="btn btn-ghost">Sharpen</button>
         <div id="coachStatus" class="meta"></div>
       </div>
+      <div class="band" id="tasksBand"></div>
       <div class="band">
         <label>Next action</label><input id="na" placeholder="What exactly will you do?">
         <label>Success condition</label><input id="sc" placeholder="How do you know it's done?">
@@ -190,6 +213,7 @@ function render(state) {
       if (intent) post('/coach', { intent });
     };
     updatePlanningCoach(state.coach);
+    updatePlanningTasks(state.tasks);
 
   } else if (rs === 'active') {
     const c = state.commitment || {};