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@@ -97,6 +97,22 @@ def main() -> None:
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args = parser.parse_args()
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db_path = str(args.db)
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+ if not Path(db_path).exists():
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+ print(f"ERROR: database file not found: {db_path}")
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+ print("Check NEWS_MCP_DB_PATH env var or pass --db /path/to/db")
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+ sys.exit(1)
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+
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+ # Quick check: does the clusters table exist?
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+ with sqlite3.connect(db_path) as probe:
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+ tables = {row[0] for row in probe.execute(
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+ "SELECT name FROM sqlite_master WHERE type='table'"
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+ ).fetchall()}
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+ if "clusters" not in tables:
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+ print(f"ERROR: 'clusters' table not found in {db_path}")
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+ print(f" Tables present: {sorted(tables) or '(none)'}")
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+ print(" This may not be the correct database file.")
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+ sys.exit(1)
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+
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print(f"Database: {db_path}")
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print(f"Dry run: {args.dry_run}")
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