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>

scripts/auto-sync-cases.sh

@@ -0,0 +1,37 @@
+#!/bin/bash
+# Auto-sync case repos to Gitea
+# Runs via crontab every minute, commits and pushes any changes found.
+
+CASES_DIR="/home/chaim/legal-ai/data/cases"
+LOG="/home/chaim/legal-ai/data/.auto-sync.log"
+GIT_ENV="GIT_AUTHOR_NAME=Ezer Mishpati GIT_AUTHOR_EMAIL=legal@local GIT_COMMITTER_NAME=Ezer Mishpati GIT_COMMITTER_EMAIL=legal@local GIT_TERMINAL_PROMPT=0"
+
+for status_dir in "$CASES_DIR"/new "$CASES_DIR"/in-progress "$CASES_DIR"/completed; do
+    [ -d "$status_dir" ] || continue
+    for case_dir in "$status_dir"/*/; do
+        [ -d "$case_dir/.git" ] || continue
+
+        cd "$case_dir" || continue
+
+        # Check for any changes (modified, new, deleted)
+        changes=$(git status --porcelain 2>/dev/null)
+        [ -z "$changes" ] && continue
+
+        # Stage all changes
+        git add -A 2>/dev/null
+
+        # Build commit message from changed files
+        changed_files=$(git diff --cached --name-only 2>/dev/null | head -5)
+        count=$(git diff --cached --name-only 2>/dev/null | wc -l)
+        case_name=$(basename "$case_dir")
+        msg="סנכרון אוטומטי — ${count} קבצים שונו"
+
+        # Commit
+        env $GIT_ENV git commit -m "$msg" --quiet 2>/dev/null
+        if [ $? -eq 0 ]; then
+            # Push (non-blocking, ignore errors)
+            git push origin main --quiet 2>/dev/null
+            echo "$(date '+%Y-%m-%d %H:%M:%S') | $case_name | $count files synced" >> "$LOG"
+        fi
+    done
+done