fix: 在 handler 中检查错误，不再静默丢弃

handlers/generate.go

@@ -58,7 +58,10 @@ func (h *GenerateHandler) Generate(c *gin.Context) {
 	}
 
 	sendEvent := func(event string, data interface{}) {
-		jsonData, _ := json.Marshal(data)
+		jsonData, err := json.Marshal(data)
+		if err != nil {
+			jsonData = []byte(`{"error":"failed to marshal event data"}`)
+		}
 		fmt.Fprintf(c.Writer, "event: %s\ndata: %s\n\n", event, jsonData)
 		flusher.Flush()
 	}
@@ -74,7 +77,14 @@ func (h *GenerateHandler) Generate(c *gin.Context) {
 	}
 
 	// Save analysis to DB
-	resultJSON, _ := json.Marshal(pr)
-	h.db.Exec(`INSERT INTO analyses (repo_id, type, base_ref, head_ref, result) VALUES (?, 'pr_description', ?, ?, ?)`,
-		id, req.Base, req.Head, string(resultJSON))
+	resultJSON, err := json.Marshal(pr)
+	if err != nil {
+		sendEvent("error", map[string]interface{}{"message": "marshal result: " + err.Error()})
+		return
+	}
+	if _, err := h.db.Exec(`INSERT INTO analyses (repo_id, type, base_ref, head_ref, result) VALUES (?, 'pr_description', ?, ?, ?)`,
+		id, req.Base, req.Head, string(resultJSON)); err != nil {
+		sendEvent("error", map[string]interface{}{"message": "save analysis: " + err.Error()})
+		return
+	}
 }