Monorepo: Gitea CI, docs, auth/sync, backend APIs, gitignore

- Add Gitea Actions workflow; point README to gitea.d-bis.org/Sankofa_Phoenix/SMOA
- Expand .gitignore for Spring H2 data, secrets, Kotlin .kotlin/, tooling
- Track docs/api/generated ReDoc bundle; refresh api docs README
- Android: network/auth/sync, UI shell, tests; backend credentials/integrity APIs
- Docs, scripts (generate-api-docs), modules and core updates

Made-with: Cursor

docs/web-scaffold/offline-queue.js

@@ -0,0 +1,48 @@
+/**
+ * Minimal IndexedDB queue for sync operations (optional extension).
+ * Usage: queueSyncItem({ method, url, headers, body }); flushSyncQueue() when online.
+ */
+(function (global) {
+  const DB_NAME = 'smoa_sync_queue';
+  const STORE = 'pending';
+  function openDb() {
+    return new Promise(function (resolve, reject) {
+      const r = indexedDB.open(DB_NAME, 1);
+      r.onerror = function () { reject(r.error); };
+      r.onupgradeneeded = function () {
+        r.result.createObjectStore(STORE, { keyPath: 'id', autoIncrement: true });
+      };
+      r.onsuccess = function () { resolve(r.result); };
+    });
+  }
+  global.queueSyncItem = function (item) {
+    return openDb().then(function (db) {
+      return new Promise(function (resolve, reject) {
+        const tx = db.transaction(STORE, 'readwrite');
+        tx.objectStore(STORE).add({ created: Date.now(), item: item });
+        tx.oncomplete = function () { resolve(); };
+        tx.onerror = function () { reject(tx.error); };
+      });
+    });
+  };
+  global.flushSyncQueue = function (fetchImpl) {
+    var f = fetchImpl || fetch;
+    return openDb().then(function (db) {
+      return new Promise(function (resolve) {
+        const tx = db.transaction(STORE, 'readonly');
+        const req = tx.objectStore(STORE).getAll();
+        req.onsuccess = function () {
+          var rows = req.result || [];
+          resolve(rows);
+        };
+      });
+    }).then(function (rows) {
+      return Promise.all(
+        rows.map(function (row) {
+          var it = row.item;
+          return f(it.url, { method: it.method, headers: it.headers, body: it.body });
+        })
+      );
+    });
+  };
+})(typeof window !== 'undefined' ? window : this);