Function verify_chain

src/orgkernel/pyapi/router.py:799–818

Verify the integrity of an AuditChain. Checks: 1. Each entry's entry_hash is consistent 2. Each entry's prev_hash links to the prior entry 3. Sequence numbers are contiguous 4. head_hash matches the last entry's entry_hash

(
    chain_id: str,
    db: Annotated[AsyncSession, Depends(get_db)],
)

    description="Verify the integrity of an AuditChain from the database.",
)
async def verify_chain(
    chain_id: str,
    db: Annotated[AsyncSession, Depends(get_db)],
) -> AuditChainVerifyResponse:
    """
    Verify the integrity of an AuditChain.

    Checks:
        1. Each entry's entry_hash is consistent
        2. Each entry's prev_hash links to the prior entry
        3. Sequence numbers are contiguous
        4. head_hash matches the last entry's entry_hash
    """
    svc = AuditChainService()
    valid = await svc.verify_integrity(db, chain_id)
    return AuditChainVerifyResponse(
        chain_id=chain_id,
        valid=valid,
        message="Integrity check passed" if valid else "Integrity check FAILED — tampering detected",
    )


@_audit.get(