internal/config/uploads_test.go

@@ -14,7 +14,7 @@ func clearUploadEnv(t *testing.T) {
 		"TAPIR_UPLOADS_ENABLED", "TAPIR_UPLOAD_MAX_MB", "TAPIR_UPLOAD_MAX_MINUTES",
 		"TAPIR_TRANSCRIBE_MODEL", "TAPIR_TRANSCRIBE_FALLBACK_MODEL", "TAPIR_TRANSCRIBE_TIMEOUT",
 		"TAPIR_UPLOAD_TMP_DIR", "TAPIR_FFMPEG_BIN", "TAPIR_FFPROBE_BIN",
-		"TAPIR_MAX_UPLOADED_TRANSCRIPT_CHARS",
+		"TAPIR_MAX_UPLOADED_TRANSCRIPT_CHARS", "TAPIR_UPLOAD_CHAT_MODEL",
 	} {
 		unset(t, k)
 	}
@@ -52,8 +52,26 @@ func TestLoad_UploadDefaults(t *testing.T) {
 	if c.FFmpegBin != "ffmpeg" || c.FFprobeBin != "ffprobe" {
 		t.Errorf("bins = %q, %q", c.FFmpegBin, c.FFprobeBin)
 	}
-	if c.MaxUploadedTranscriptChars != 120000 {
-		t.Errorf("MaxUploadedTranscriptChars = %d, want 120000", c.MaxUploadedTranscriptChars)
+	if c.MaxUploadedTranscriptChars != 90000 {
+		t.Errorf("MaxUploadedTranscriptChars = %d, want 90000: iguana/gemma4-26b answered correctly at 90,000 chars "+
+			"but silently dropped the head of a 120,000-char transcript (docs/research/chat-context)", c.MaxUploadedTranscriptChars)
+	}
+	if c.UploadChatModel != "iguana/gemma4-26b" {
+		t.Errorf("UploadChatModel = %q: koala/phi4-mini has an 8,192-token context and answers HTTP 400 on an hour of speech", c.UploadChatModel)
+	}
+}
+
+func TestLoad_UploadChatModelOverride(t *testing.T) {
+	clearUploadEnv(t)
+	t.Setenv("TAPIR_UPLOAD_CHAT_MODEL", "koala/qwen36-35b-a3b")
+
+	c, err := Load()
+	if err != nil {
+		t.Fatalf("Load: %v", err)
+	}
+
+	if c.UploadChatModel != "koala/qwen36-35b-a3b" {
+		t.Errorf("UploadChatModel = %q", c.UploadChatModel)
 	}
 }