Add Apache-2.0 LICENSE, NOTICE, and SPDX headers

tts_server/install_server.sh

@@ -1,4 +1,7 @@
 #!/usr/bin/env bash
+# Copyright 2026 Umbra Tools (umbratools.com)
+# SPDX-License-Identifier: Apache-2.0
+
 # Install the UmbraAudio Qwen3-TTS server on a Linux/CUDA GPU machine.
 #
 # Usage:

tts_server/qwen_tts_server.py

@@ -1,4 +1,7 @@
 #!/usr/bin/env python3
+# Copyright 2026 Umbra Tools (umbratools.com)
+# SPDX-License-Identifier: Apache-2.0
+
 """Qwen3-TTS FastAPI Server for UmbraAudio.
 
 Provides REST endpoints for voice design and voice cloning.

tts_server/run_server.sh

@@ -1,4 +1,7 @@
 #!/usr/bin/env bash
+# Copyright 2026 Umbra Tools (umbratools.com)
+# SPDX-License-Identifier: Apache-2.0
+
 # Launch the UmbraAudio Qwen3-TTS server (CUDA/GPU).
 #
 # Config via env vars (override as needed):

tts_server/sync_voice_data.sh

@@ -1,4 +1,7 @@
 #!/usr/bin/env bash
+# Copyright 2026 Umbra Tools (umbratools.com)
+# SPDX-License-Identifier: Apache-2.0
+
 # Package the voice reference wavs + cached ICL voice prompts (.pt) so they can
 # be copied to the target TTS server machine (GPU). The remote ChapterBuilder /
 # server uses these to generate every utterance with each speaker's identical