version: bump to 0.1.87

Ships the audio pipeline work (real music dub, demucs separation, DeepFilterNet
restoration), the video fixes (camera_motion, dialog voice cloning, managed
Wav2Lip, IP-Adapter identity conditioning + keyframe bridge), the huggingface_hub
compat shim, and the documentation refresh.
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01R6iugoNeEgt9PkajKrFyq4

codai/__init__.py

@@ -16,7 +16,7 @@
 
 # Canonical product version for CoderAI — single source of truth. Both the API
 # metadata and the admin web UI read from here.
-__version__ = "0.1.86"
+__version__ = "0.1.87"
 
 # Configure the CUDA caching allocator BEFORE torch is imported anywhere.
 # expandable_segments lets the allocator return freed pages to the driver even