feat: add status update checks for UI

flake.lock

@@ -1348,11 +1348,11 @@
         "rust-rapidsnark": "rust-rapidsnark"
       },
       "locked": {
-        "lastModified": 1782123395,
-        "narHash": "sha256-vbfaImZIjSdou9KUyOT30vkhphTZiB3tIFlGGAuGjgY=",
+        "lastModified": 1782142589,
+        "narHash": "sha256-K5NtBontpPx1XqnX6jbEzPXSchaLbPlG9689W+C/ExA=",
         "ref": "erhant/fix-indexer-ffi",
-        "rev": "2c76fa959f6a3f3262f768d49411e5e177ad1b27",
-        "revCount": 2772,
+        "rev": "2a78b1b3d1b4080930c00ecf23b5c0e73cd646b8",
+        "revCount": 2773,
         "type": "git",
         "url": "https://github.com/logos-blockchain/logos-execution-zone"
       },

src/lez_indexer_module_impl.cpp

@@ -226,6 +226,25 @@ std::string LezIndexerModuleImpl::getLastFinalizedBlockId() {
     return u64ToString(res.block_id);
 }
 
+std::string LezIndexerModuleImpl::getStatus() {
+    if (!indexer_service_ffi) {
+        warn("getStatus", "indexer not started");
+        return {};
+    }
+
+    // The FFI builds the status JSON itself (schema owned by indexer_core), so
+    // there is nothing to marshal — copy the C string out and free it.
+    char* json = ::query_status(handle(indexer_service_ffi));
+    if (!json) {
+        warn("getStatus", "indexer FFI error");
+        return {};
+    }
+
+    const std::string out(json);
+    ::free_cstring(json);
+    return out;
+}
+
 std::string LezIndexerModuleImpl::getTransactionsByAccount(
     const std::string& account_id,
     const std::string& offset,

src/lez_indexer_module_impl.h

@@ -49,6 +49,10 @@ public:
     std::string getBlocks(const std::string& before, const std::string& limit);
     /// Tip block id as a bare decimal string.
     std::string getLastFinalizedBlockId();
+    /// Current ingestion status as a compact JSON object so a UI can tell
+    /// "catching up" from "failed": { state (starting/syncing/caught_up/error),
+    /// indexedBlockId, lastError }. Empty string if the indexer isn't running.
+    std::string getStatus();
     /// Transactions touching `account_id` (32-byte hex), paginated by decimal
     /// `offset`/`limit`.
     //