[fix](trx-frontend-http): group decode history by decoder

Serve grouped decode history payloads and restore each decoder through
explicit history restore hooks instead of replaying a mixed message stream.

This reduces replay overhead further by removing type regrouping and keeping
history restoration on decoder-specific bulk paths.

Co-authored-by: OpenAI Codex <codex@openai.com>
Signed-off-by: Stan Grams <sjg@haxx.space>

src/trx-client/trx-frontend/trx-frontend-http/assets/web/plugins/hf-aprs.js

@@ -393,6 +393,10 @@ window.onServerHfAprsBatch = function(packets) {
   scheduleHfAprsHistoryRender();
 };
 
+window.restoreHfAprsHistory = function(packets) {
+  window.onServerHfAprsBatch(packets);
+};
+
 document.getElementById("hf-aprs-decode-toggle-btn")?.addEventListener("click", async () => {
   try { await postPath("/toggle_hf_aprs_decode"); } catch (e) { console.error("HF APRS toggle failed", e); }
 });