feat(template): per-experiment daily record template — rename/add/hide fields, custom_fields JSONB

backend/src/lib/defaultTemplate.js

@@ -0,0 +1,25 @@
+/**
+ * The default daily-record template applied to every new experiment
+ * (and returned as a fallback when an experiment's template is empty).
+ *
+ * `builtin: true`  — value lives in the named column of daily_statuses
+ * `builtin: false` — value lives in daily_statuses.custom_fields JSON
+ * `active: false`  — field is hidden (not deleted; data preserved)
+ */
+const DEFAULT_TEMPLATE = [
+  { key: 'experiment_description', label: 'Experiment Description', type: 'textarea', builtin: true,  active: true },
+  { key: 'vitals',                 label: 'Vitals',                  type: 'text',     builtin: true,  active: true },
+  { key: 'treatment',              label: 'Treatment',               type: 'text',     builtin: true,  active: true },
+  { key: 'notes',                  label: 'Notes',                   type: 'textarea', builtin: true,  active: true },
+];
+
+/**
+ * Resolve the effective template for an experiment.
+ * If the stored template is empty (new experiment), return the default.
+ */
+function resolveTemplate(stored) {
+  if (!Array.isArray(stored) || stored.length === 0) return DEFAULT_TEMPLATE;
+  return stored;
+}
+
+module.exports = { DEFAULT_TEMPLATE, resolveTemplate };