diff --git a/internal/ai/bailian_tts.go b/internal/ai/bailian_tts.go
index 113e982..190ea3f 100644
--- a/internal/ai/bailian_tts.go
+++ b/internal/ai/bailian_tts.go
@@ -126,7 +126,17 @@ func bailianFailureSummary(err error) (string, int) {
 		}
 	}
 	for _, item := range []struct{ prefix, kind string }{
+		{"Bailian TTS requires the configured ffmpeg audio converter", "missing_converter"},
+		{"approved Bailian TTS settings or text are incomplete", "invalid_settings"},
+		{"encode approved Bailian request", "request_encoding"},
+		{"create approved Bailian request", "request_construction"},
+		{"approved Bailian endpoint:", "invalid_endpoint"},
+		{"Bailian TTS response is unreadable or oversized", "invalid_response"},
 		{"Bailian TTS response has no complete audio reference", "missing_audio"},
+		{"Bailian TTS audio reference is invalid", "invalid_audio_reference"},
+		{"create Bailian audio request", "audio_request_construction"},
+		{"Bailian audio is empty, unreadable or oversized", "invalid_audio"},
+		{"Bailian TTS PCM exceeds approved media ceiling", "pcm_ceiling"},
 		{"Bailian TTS request failed:", "generation_transport"},
 		{"Bailian audio download failed:", "audio_transport"},
 		{"Bailian audio conversion failed:", "audio_conversion"},
diff --git a/internal/ai/bailian_tts_test.go b/internal/ai/bailian_tts_test.go
index 5cae02c..9a86678 100644
--- a/internal/ai/bailian_tts_test.go
+++ b/internal/ai/bailian_tts_test.go
@@ -59,6 +59,12 @@ func TestBailianFailureSummaryNeverLogsProviderPayload(t *testing.T) {
 		{"Bailian TTS rejected request: HTTP 403", "generation_http", 403},
 		{"Bailian audio download rejected: HTTP 502", "audio_http", 502},
 		{"Bailian TTS response has no complete audio reference", "missing_audio", 0},
+		{"Bailian TTS requires the configured ffmpeg audio converter", "missing_converter", 0},
+		{"approved Bailian TTS settings or text are incomplete", "invalid_settings", 0},
+		{"Bailian TTS response is unreadable or oversized", "invalid_response", 0},
+		{"Bailian TTS audio reference is invalid", "invalid_audio_reference", 0},
+		{"Bailian audio is empty, unreadable or oversized", "invalid_audio", 0},
+		{"approved Bailian endpoint: HTTPS URL required outside isolated local Mock", "invalid_endpoint", 0},
 		{"Authorization: Bearer private-signature and prompt", "unknown", 0},
 	} {
 		kind, status := bailianFailureSummary(errors.New(tc.message))