* s3tables: bind DeleteNamespace to the authorized namespace
The delete claimed whatever finished namespace held the name at claim
time, so one deleted and created again by another owner after the
authorization read was removed under the first one's authorization.
The claim now requires the creation time that was authorized.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
* s3vectors: bind DeleteVectorBucket's namespace cleanup to the authorized bucket
After the bound DeleteTableBucket reported the bucket not empty, the
index namespace cleanup ran unbound, so a bucket deleted and created
again in between lost its empty index namespace under the first
bucket's authorization. DeleteNamespace now honors the bucket binding,
checking the bucket after reading the namespace, and the cleanup
carries it.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>