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…beclabs/doublezero-offchain#217) # Summary Add support for loading Solana keypair via stdin, enabling keyless validator operations. Fixes: #2308 ## Changes - Add `keypair` module with `load_keypair()` function supporting 4-level precedence - Add stdin support for piped keypair input - Add `KeypairSource` enum for provenance tracking - Add `KeypairLoadError` with helpful error messages - Update `try_load_keypair()` - Add unit tests for keypair loading This is a followup PR to #2309
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Summary
Add support for loading Solana keypair via stdin, enabling keyless validator operations.
Fixes: malbeclabs/doublezero#2308
Changes
keypairmodule withload_keypair()function supporting 4-level precedenceKeypairSourceenum for provenance trackingKeypairLoadErrorwith helpful error messagestry_load_keypair()This is a followup PR to malbeclabs/doublezero#2309