[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/user-prompt-submit-v2

@@ -117,10 +117,10 @@ if [ "$CONTEXT_COUNT" -gt 0 ]; then
         echo "<!-- Context Recall: Retrieved $CONTEXT_COUNT relevant context(s) from LOCAL CACHE (offline mode) -->"
     fi
     echo ""
-    echo "## 📚 Previous Context"
+    echo "## Previous Context"
     echo ""
     if [ "$API_AVAILABLE" = "false" ]; then
-        echo "⚠️ **Offline Mode** - Using cached context (API unavailable)"
+        echo "[WARNING] **Offline Mode** - Using cached context (API unavailable)"
         echo ""
     fi
     echo "The following context has been automatically recalled:"