[Fix] Remove all emoji violations from code files

- Replaced emojis with ASCII text markers ([OK], [ERROR], [WARNING], etc.)
- Fixed 38+ violations across 20 files (7 Python, 6 shell scripts, 6 hooks, 1 API)
- All modified files pass syntax verification
- Conforms to CODING_GUIDELINES.md NO EMOJIS rule

Details:
- Python test files: check_record_counts.py, test_*.py (31 fixes)
- API utils: context_compression.py regex pattern updated
- Shell scripts: setup/test/install/upgrade scripts (64+ fixes)
- Hook scripts: task-complete, user-prompt-submit, sync-contexts (10 fixes)

Verification: All files pass syntax checks (python -m py_compile, bash -n)
Report: FIXES_APPLIED.md contains complete change log

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

.claude/hooks/sync-contexts

@@ -78,12 +78,12 @@ for QUEUE_FILE in "$PENDING_DIR"/*.json; do
     if [ "$HTTP_CODE" = "200" ] || [ "$HTTP_CODE" = "201" ]; then
         # Success - move to uploaded directory
         mv "$QUEUE_FILE" "$UPLOADED_DIR/"
-        echo "  ✓ Uploaded successfully"
+        echo "  [OK] Uploaded successfully"
         ((SUCCESS_COUNT++))
     else
         # Failed - move to failed directory for manual review
         mv "$QUEUE_FILE" "$FAILED_DIR/"
-        echo "  ✗ Upload failed (HTTP $HTTP_CODE) - moved to failed/"
+        echo "  [ERROR] Upload failed (HTTP $HTTP_CODE) - moved to failed/"
         ((FAIL_COUNT++))
     fi
 done