[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/task-complete

@@ -164,14 +164,14 @@ if [ "$API_SUCCESS" = "false" ]; then
     STATE_QUEUE_FILE="$PENDING_DIR/${PROJECT_ID}_${TIMESTAMP_FILENAME}_state.json"
     echo "$PROJECT_STATE_PAYLOAD" > "$STATE_QUEUE_FILE"
 
-    echo "⚠ Context queued locally (API unavailable) - will sync when online" >&2
+    echo "[WARNING] Context queued locally (API unavailable) - will sync when online" >&2
 
     # Try to sync in background (opportunistic)
     if [ -n "$JWT_TOKEN" ]; then
         bash "$(dirname "${BASH_SOURCE[0]}")/sync-contexts" >/dev/null 2>&1 &
     fi
 else
-    echo "✓ Context saved to database" >&2
+    echo "[OK] Context saved to database" >&2
 
     # Trigger background sync of any queued items
     if [ -n "$JWT_TOKEN" ]; then