feat: add template selector to batch detail for CV generation

database.py

@@ -197,6 +197,8 @@ CREATE TABLE IF NOT EXISTS cv_batches (
     -- JSON array of positions extracted from the document
     -- [{job_title, num_positions, required_skills, required_years, required_certs, description}]
     positions JSONB DEFAULT '[]',
+    -- Selected Carbone template ID for CV generation
+    template_id TEXT,
     -- draft = still working, active = matching done, exported = CVs generated
     status VARCHAR(50) DEFAULT 'draft',
     created_at TIMESTAMPTZ DEFAULT NOW(),

main.py

@@ -913,12 +913,12 @@ async def get_batch(batch_id: str):
 
 @app.put("/api/batches/{batch_id}")
 async def update_batch(batch_id: str, request: Request):
-    """Update batch name/description."""
+    """Update batch name/description/template."""
     body = await request.json()
     row = db.execute(
-        """UPDATE cv_batches SET name = %s, description = %s, updated_at = NOW()
+        """UPDATE cv_batches SET name = %s, description = %s, template_id = %s, updated_at = NOW()
            WHERE id = %s RETURNING *""",
-        (body.get("name"), body.get("description"), batch_id)
+        (body.get("name"), body.get("description"), body.get("template_id"), batch_id)
     )
     if not row:
         raise HTTPException(404, "Batch not found")

static/batches.js

@@ -143,6 +143,17 @@ async function uploadBatchDoc(file) {
 // BATCH DETAIL VIEW
 // ============================================================
 let currentBatch = null;
+let batchTemplates = [];
+
+async function loadBatchTemplates() {
+  try {
+    const resp = await fetch('http://' + location.hostname + ':8771/api/carbone/templates');
+    const data = await resp.json();
+    batchTemplates = data.templates || [];
+  } catch (e) {
+    batchTemplates = [];
+  }
+}
 
 async function openBatch(batchId) {
   currentBatchId = batchId;
@@ -151,6 +162,8 @@ async function openBatch(batchId) {
   detail.style.display = 'block';
   detail.innerHTML = '<div class="loading">Loading batch...</div>';
   
+  await loadBatchTemplates();
+  
   try {
     const resp = await fetch('/api/batches/' + batchId);
     const data = await resp.json();
@@ -226,6 +239,12 @@ function renderBatchDetail(data) {
     positionsHtml += '</div>';
   }
   
+  // Build template selector options
+  const currentTemplateId = batch.template_id || '';
+  const templateOptions = batchTemplates.map(t => 
+    '<option value="' + t.id + '"' + (t.id === currentTemplateId ? ' selected' : '') + '>' + escapeHtml(t.name) + '</option>'
+  ).join('');
+  
   document.getElementById('batch-detail-view').innerHTML = `
     <div class="flex-between mb-16">
       <div>
@@ -239,10 +258,40 @@ function renderBatchDetail(data) {
         <button class="btn btn-outline" onclick="closeBatchDetail()">Back</button>
       </div>
     </div>
+    <div class="card mb-16">
+      <div class="form-group" style="margin:0">
+        <label>Template for CV Generation</label>
+        <div class="flex gap-8">
+          <select id="batch-template-select" style="flex:1" onchange="saveBatchTemplate()">
+            <option value="">— Select a template —</option>
+            ${templateOptions}
+          </select>
+          ${batchTemplates.length === 0 ? '<span class="text-muted text-sm">No templates uploaded. Go to Templates page to add one.</span>' : ''}
+        </div>
+      </div>
+    </div>
     ${positionsHtml}
   `;
 }
 
+async function saveBatchTemplate() {
+  const templateId = document.getElementById('batch-template-select').value;
+  try {
+    await fetch('/api/batches/' + currentBatchId, {
+      method: 'PUT',
+      headers: { 'Content-Type': 'application/json' },
+      body: JSON.stringify({
+        name: currentBatch.batch.name,
+        description: currentBatch.batch.description,
+        template_id: templateId
+      })
+    });
+    toast('Template saved for this batch');
+  } catch (e) {
+    toast('Error saving template: ' + e.message, 'error');
+  }
+}
+
 function closeBatchDetail() {
   document.getElementById('batches-list-view').style.display = 'block';
   document.getElementById('batch-detail-view').style.display = 'none';

static/index.html

@@ -152,6 +152,6 @@
 
 <script src="/static/app.js?v=17"></script>
 <script src="/static/carbone.js?v=16"></script>
-<script src="/static/batches.js?v=1"></script>
+<script src="/static/batches.js?v=2"></script>
 </body>
 </html>