Initial commit: AnythingLLM persona RAG integration

28 persona workspace with document upload, OCR pipeline, and vector embedding
assignment via AnythingLLM API. Supports 5 clusters (intel, cyber, military,
humanities, engineering) with batch processing and resume capability.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

.gitignore

@@ -0,0 +1,10 @@
+# State files (machine-specific, regenerated by script)
+upload_progress.json
+
+# OCR output (large binary files)
+ocr_output/
+
+# Python
+__pycache__/
+*.pyc
+.venv/