fix: improve error handling in HypaV3 (#808)

# PR Checklist
- [ ] Have you checked if it works normally in all models? *Ignore this
if it doesn't use models.*
- [ ] Have you checked if it works normally in all web, local, and node
hosted versions? If it doesn't, have you blocked it in those versions?
- [ ] Have you added type definitions?

# Description
This PR introduces following:
- fix: check empty summarization result in HypaV3
- fix: handle similarity search error in HypaV3

src/ts/process/memory/hypav3.ts

@@ -445,7 +445,11 @@ export async function hypaMemoryV3(
     if (toSummarize.length > 0) {
       const summarizeResult = await retryableSummarize(toSummarize);
 
-      if (!summarizeResult.success) {
+      if (
+        !summarizeResult.success ||
+        !summarizeResult.data ||
+        summarizeResult.data.trim().length === 0
+      ) {
         return {
           currentTokens,
           chats,
@@ -642,7 +646,16 @@ export async function hypaMemoryV3(
     processor.oaikey = db.supaMemoryKey;
 
     // Add summaryChunks to processor for similarity search
+    try {
       await processor.addSummaryChunks(summaryChunks);
+    } catch (error) {
+      return {
+        currentTokens,
+        chats,
+        error: `[HypaV3] Similarity search failed: ${error}`,
+        memory: toSerializableHypaV3Data(data),
+      };
+    }
 
     const scoredSummaries = new Map<Summary, number>();
 
@@ -652,6 +665,7 @@ export async function hypaMemoryV3(
 
       if (!pop) break;
 
+      try {
         const searched = await processor.similaritySearchScoredEx(pop.content);
 
         for (const [chunk, similarity] of searched) {
@@ -662,6 +676,14 @@ export async function hypaMemoryV3(
             (scoredSummaries.get(summary) || 0) + similarity
           );
         }
+      } catch (error) {
+        return {
+          currentTokens,
+          chats,
+          error: `[HypaV3] Similarity search failed: ${error}`,
+          memory: toSerializableHypaV3Data(data),
+        };
+      }
     }
 
     // (2) Summarized recent chat search
@@ -670,7 +692,11 @@ export async function hypaMemoryV3(
       const recentChats = chats.slice(-minChatsForSimilarity);
       const summarizeResult = await retryableSummarize(recentChats);
 
-      if (!summarizeResult.success) {
+      if (
+        !summarizeResult.success ||
+        !summarizeResult.data ||
+        summarizeResult.data.trim().length === 0
+      ) {
         return {
           currentTokens,
           chats,
@@ -679,6 +705,7 @@ export async function hypaMemoryV3(
         };
       }
 
+      try {
         const searched = await processor.similaritySearchScoredEx(
           summarizeResult.data
         );
@@ -691,6 +718,14 @@ export async function hypaMemoryV3(
             (scoredSummaries.get(summary) || 0) + similarity
           );
         }
+      } catch (error) {
+        return {
+          currentTokens,
+          chats,
+          error: `[HypaV3] Similarity search failed: ${error}`,
+          memory: toSerializableHypaV3Data(data),
+        };
+      }
 
       console.log("[HypaV3] Similarity corrected.");
     }