feat(authz): obligations protos within auth service

[jakedoublev]

Proposed Changes

• Adds fulfillable obligations to request protos
• Adds required obligations to each ResourceDecision in protos
• FQN-driven (not UUIDs)
• protovalidate rules allow up to 50 fulfillable obligations in a request

Checklist

• I have added or updated unit tests
• I have added or updated integration tests (if appropriate)
• I have added or updated documentation

Testing Instructions

[github-actions]

Benchmark results, click to expand

Benchmark authorization.GetDecisions Results:

Metric	Value
Approved Decision Requests	1000
Denied Decision Requests	0
Total Time	179.170594ms

Benchmark authorization.v2.GetMultiResourceDecision Results:

Metric	Value
Approved Decision Requests	1000
Denied Decision Requests	0
Total Time	91.931482ms

Standard Benchmark Metrics Skipped or Failed

Bulk Benchmark Results

Metric	Value
Total Decrypts	100
Successful Decrypts	100
Failed Decrypts	0
Total Time	353.915052ms
Throughput	282.55 requests/second

TDF3 Benchmark Results:

Metric	Value
Total Requests	5000
Successful Requests	5000
Failed Requests	0
Concurrent Requests	50
Total Time	36.816517229s
Average Latency	367.105408ms
Throughput	135.81 requests/second

NANOTDF Benchmark Results:

Metric	Value
Total Requests	5000
Successful Requests	5000
Failed Requests	0
Concurrent Requests	50
Total Time	25.58147361s
Average Latency	254.653204ms
Throughput	195.45 requests/second