Auto-refresh embedding list after model change

Uses own API endpoint and doesn't force-reload to skip unneeded work
(only works for A1111 as SD.Next model change detection isn't implemented yet)

javascript/tagAutocomplete.js

@@ -1269,6 +1269,13 @@ async function refreshTacTempFiles(api = false) {
     }
 }
 
+async function refreshEmbeddings() {
+    await postAPI("tacapi/v1/refresh-embeddings", null);
+    embeddings = [];
+    await processQueue(QUEUE_FILE_LOAD, null);
+    console.log("TAC: Refreshed embeddings");
+}
+
 function addAutocompleteToArea(area) {
     // Return if autocomplete is disabled for the current area type in config
     let textAreaId = getTextAreaIdentifier(area);
@@ -1373,6 +1380,7 @@ async function setup() {
                 if (mutation.type === "attributes" && mutation.attributeName === "title") {
                     currentModelHash = mutation.target.title;
                     updateModelName();
+                    refreshEmbeddings();
                 }
             }
         });

scripts/tag_autocomplete_helper.py

@@ -365,11 +365,7 @@ if EMB_PATH.exists():
     # Get embeddings after the model loaded callback
     script_callbacks.on_model_loaded(get_embeddings)
 
-def refresh_temp_files(*args, **kwargs):
-    global WILDCARD_EXT_PATHS
-    WILDCARD_EXT_PATHS = find_ext_wildcard_paths()
-    write_temp_files()
-
+def refresh_embeddings(force: bool, *args, **kwargs):
     try:
         # Fix for SD.Next infinite refresh loop due to gradio not updating after model load on demand.
         # This will just skip embedding loading if no model is loaded yet (or there really are no embeddings).
@@ -377,11 +373,17 @@ def refresh_temp_files(*args, **kwargs):
         loaded = sd_hijack.model_hijack.embedding_db.word_embeddings
         skipped = sd_hijack.model_hijack.embedding_db.skipped_embeddings
         if len((loaded | skipped)) > 0:
-            load_textual_inversion_embeddings(force_reload = True)
+            load_textual_inversion_embeddings(force_reload=force)
             get_embeddings(None)
     except Exception:
         pass
 
+def refresh_temp_files(*args, **kwargs):
+    global WILDCARD_EXT_PATHS
+    WILDCARD_EXT_PATHS = find_ext_wildcard_paths()
+    write_temp_files()
+    refresh_embeddings(force=True)
+
 def write_temp_files():
     # Write wildcards to wc.txt if found
     if WILDCARD_PATH.exists():
@@ -580,6 +582,10 @@ def api_tac(_: gr.Blocks, app: FastAPI):
     async def api_refresh_temp_files():
         refresh_temp_files()
 
+    @app.post("/tacapi/v1/refresh-embeddings")
+    async def api_refresh_embeddings():
+        refresh_embeddings(force=False)
+
     @app.get("/tacapi/v1/lora-info/{lora_name}")
     async def get_lora_info(lora_name):
         return await get_json_info(LORA_PATH, lora_name)