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f19845f | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 | # AWS CardDemo A-Grade Promotion Gate
Report version: `carddemo_a_grade_promotion_readme_v0`
This file records the attempt to promote the AWS CardDemo modernization proof from B-grade static/source-oracle parity to A-grade live runtime parity.
## Decision
- Action: `do_not_promote`
- Promotable to A: `False`
- Current grade counts: `{'A': 0, 'B': 50, 'C': 0, 'F': 0}`
- Required live legacy runtime matches: `50`
- Accepted live legacy runtime matches: `0`
- Missing live legacy runtime matches: `50`
- Current static/source-oracle status: B=`50`, F=`0`, gaps=`0`
## Rubric Boundary
A-grade is reserved for actual legacy COBOL/CICS runtime traces matched against modern observed behavior for each capability. The existing proof remains B=50/F=0/gaps=0 under the current static/source-oracle rubric.
This is not live COBOL/CICS all-path runtime equivalence.
## Replay Command
```powershell
python tools\evaluate_a_grade_promotion.py --source-root ..\source --out-dir .\final_proof
```
To test a future live trace corpus, add:
```powershell
--legacy-trace-dir <path-to-live-trace-json-corpus>
```
## Required Trace Contract
Each accepted live trace record must include the fields listed in `A_GRADE_PROMOTION_REPORT.json` under `legacy_runtime_trace_contract`. The key requirements are: pinned source head, live trace kind, matched=true, a capability ID from the ledger, and SHA-256 hashes for the raw legacy trace and modern observation.
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