Improve document processing pipeline and agent workflows

- Add delete_document_chunks for reprocessing, save extracted text to disk
- Expand case directory structure (original/extracted/proofread/backup)
- Update classifier patterns (תגובה, הודעת עמדה)
- Fix proofreader agent paths for new directory layout
- Update HEARTBEAT to notify on every task completion
- Improve bidi_table with LRE/PDF directional embedding
- Add Paperclip project verification and auto-close setup issue
- Add auto-sync-cases.sh for Gitea synchronization

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

mcp-server/src/legal_mcp/services/local_classifier.py

@@ -19,7 +19,7 @@ logger = logging.getLogger(__name__)
 _FILENAME_RULES: list[tuple[str, str, float]] = [
     # (regex pattern on filename, doc_type, confidence)
     (r"כתב.ערר|כתב-ערר", "appeal", 1.0),
-    (r"תשובה|תשובת|תגובת|השלמת.טיעון|בקשה.להשלמת", "response", 1.0),
+    (r"תשובה|תשובת|תגובה|תגובת|השלמת.טיעון|בקשה.להשלמת|הודעת.עמדה", "response", 1.0),
     (r"פרוטוקול", "protocol", 1.0),
     (r"החלטת?.ביניים|החלטה.לתיקון", "decision", 0.95),
     (r"הוראות.תכנית|תכנית", "plan", 1.0),