1 files changed, 22 insertions, 4 deletions
diff --git a/desktop/modules/sbbuilder/Store.qml b/desktop/modules/sbbuilder/Store.qml
index c2afa5d..7036f36 100644
--- a/desktop/modules/sbbuilder/Store.qml
+++ b/desktop/modules/sbbuilder/Store.qml
@@ -32,20 +32,35 @@ QtObject {
     // Assigned only when the set changes, as Qtm does: a Repeater bound to a
     // fresh array per keystroke rebuilds the row being typed in.
     property var manifests: []
+    // The helper takes a [manifests] table whole, in place of its default
+    // one, so with none in the file the default rows are the ones in effect
+    // and are listed; the first edit writes them all before its own.
+    readonly property bool manifestsDefault: !T.sections(st.draft).includes("manifests")
     onDraftChanged: {
-        const k = T.entries(st.draft, "manifests").map(e => e.key);
+        const k = st.manifestsDefault ? Object.keys(st.fallback("manifests") ?? {})
+                                      : T.entries(st.draft, "manifests").map(e => e.key);
         if (JSON.stringify(k) !== JSON.stringify(st.manifests)) st.manifests = k;
     }
+    function seedManifests(section) {
+        if (section !== "manifests" || !st.manifestsDefault) return;
+        const d = st.fallback("manifests") ?? {};
+        for (const k in d) st.draft = T.set(st.draft, "manifests", k, d[k]);
+    }
 
-    function fallback(section, key) { return (st.defaults[section] || {})[key]; }
+    function fallback(section, key) { return key === undefined ? st.defaults[section] : (st.defaults[section] || {})[key]; }
     function show(v) { return v === undefined ? undefined : Array.isArray(v) ? v.join(" ") : String(v); }
     function placeholder(section, key) { return st.show(st.fallback(section, key)) ?? ""; }
 
-    function get(section, key) { return st.show(T.get(st.draft, section, key)); }
+    function get(section, key) {
+        const v = T.get(st.draft, section, key);
+        // A listed default manifest shows its URL, so editing starts from it.
+        return st.show(v === undefined && section === "manifests" && st.manifestsDefault ? st.fallback(section, key) : v);
+    }
     // The effective value, typed: the file's, else the default.
     function value(section, key) { return T.get(st.draft, section, key) ?? st.fallback(section, key); }
     function entries(section) { return T.entries(st.draft, section); }
     function put(section, key, v) {
+        st.seedManifests(section);
         try { st.draft = T.set(st.draft, section, key, v); } catch (e) {
             st.error = e.message;
             st.markInvalid(section + "/" + key, true);  // hold Save back
@@ -63,7 +78,10 @@ QtObject {
                            : typeof d === "number" ? Number(t)
                            : typeof d === "boolean" ? t === "true" : t);
     }
-    function remove(section, key) { st.draft = T.remove(st.draft, section, key); }
+    function remove(section, key) {
+        st.seedManifests(section);
+        st.draft = T.remove(st.draft, section, key);
+    }
 
     function markInvalid(id, bad) {
         if (!!st.invalid[id] === bad) return;