feat: filter meaningful conversations with local model

internal/extraction/processor_integration_test.go

@@ -40,6 +40,7 @@ func TestProcessorExtractionIdempotencyAndSensitiveContent(t *testing.T) {
 	contextID, contextPublicID := uuid.NewString(), uuid.NewString()
 	conversationID, conversationPublicID := uuid.NewString(), uuid.NewString()
 	defer func() {
+		_, _ = pool.Exec(ctx, `DELETE FROM conversation_content_assessment WHERE conversation_id=$1::uuid`, conversationID)
 		_, _ = pool.Exec(ctx, `DELETE FROM fact_candidate WHERE story_id IN (SELECT id FROM story_draft WHERE conversation_id=$1::uuid)`, conversationID)
 		_, _ = pool.Exec(ctx, `DELETE FROM story_source WHERE story_revision_id IN (SELECT sr.id FROM story_revision sr JOIN story_draft sd ON sd.id=sr.story_id WHERE sd.conversation_id=$1::uuid)`, conversationID)
 		_, _ = pool.Exec(ctx, `UPDATE story_draft SET current_revision_id=NULL WHERE conversation_id=$1::uuid`, conversationID)
@@ -97,7 +98,7 @@ func TestProcessorExtractionIdempotencyAndSensitiveContent(t *testing.T) {
 			http.Error(w, "database lock", http.StatusServiceUnavailable)
 			return
 		}
-		_, _ = io.WriteString(w, `{"choices":[{"message":{"content":"{\"summary\":\"长者谈到在河边小学教书\",\"keywords\":[\"河边小学\",\"教书经历\"],\"open_topic\":\"下次可以聊聊当年的学生\",\"story_title\":\"河边小学的回忆\",\"story_content\":\"我年轻时在河边小学教书。\",\"fact_content\":\"年轻时曾在河边小学教书\",\"confidence\":0.88}"}}]}`)
+		_, _ = io.WriteString(w, `{"choices":[{"message":{"content":"{\"meaningful\":true,\"story_worthy\":true,\"decision_reason\":\"包含具体的教书经历\",\"summary\":\"长者谈到在河边小学教书\",\"keywords\":[\"河边小学\",\"教书经历\"],\"open_topic\":\"下次可以聊聊当年的学生\",\"story_title\":\"河边小学的回忆\",\"story_content\":\"我年轻时在河边小学教书。\",\"fact_content\":\"年轻时曾在河边小学教书\",\"confidence\":0.88}"}}]}`)
 	}))
 	defer server.Close()
 	arkGenerator, err := NewArkGenerator(server.URL+"/api/v3", "integration-key", "doubao-integration", 2*time.Second)