Release v0.4.0 Added - Cryptographic SHA-256 hash chaining across the entire journal history for tamper-proofing. - Single-line journal entry format for streamlined searchability, grepping, and parsing. - Added ``verify`` command to audit and verify the integrity of the journal hash chain. - Added ``rechain`` command to recalculate or fix the cryptographic hash chain. Changed - Upgraded ``log``, ``search``, ``startup``, ``migrate``, and ``tidy`` commands to standard single-line hashed layout. - Improved ``migrate`` command to automatically convert legacy multiline PJP format to the new standard. - Enhanced ``tidy`` to automatically rechain log files. - Expanded the test suite with verification, tampering, and recovery scenarios (Test 9).