ci: configure Solana CLI before devnet verify build

[dev-jodee]

Summary

• Add a solana config set step so ~/.config/solana/cli/config.yml exists before the devnet verify-build step runs.

Root Cause

solana-verify (Ellipsis-Labs/solana-verifiable-build) loads the CLI config in process_otter_verify_ixs even when -k <keypair> is provided. The relevant snippet from upstream src/solana_program.rs:

let user_config = get_user_config_with_path(config_path)?;
let signer = if let Some(path_to_keypair) = path_to_keypair {
    get_keypair_from_path(&path_to_keypair)?
} else {
    user_config.0
};

get_user_config_with_path(None) calls Config::load(solana_cli_config::CONFIG_FILE), i.e. ~/.config/solana/cli/config.yml. The shared setup action only creates ~/.config/solana/id.json; no step in the workflow ever called solana config set, so config.yml was never materialized. The upload phase therefore aborted with Error: No such file or directory (os error 2) after the build had already succeeded and the on-chain hash had matched.

solana config set --url "$RPC_URL" --keypair "$HOME/.config/solana/id.json" materializes the config file with a keypair_path that exists. The deployer keypair from Doppler is still passed to every sub-action via the keypair input and remains the actual transaction signer; this just satisfies solana-verify's unconditional config load.

Test Plan

• Trigger Release workflow against devnet from this branch.
• Confirm Verify build (devnet) clears the upload phase and writes the verification PDA for De1egAFMkMWZSN5rYXRj9CAdheBamobVNubTsi9avR44.

Failing run for reference: https://github.com/solana-program/subscriptions/actions/runs/25185255771

[github-actions]

Compute Unit Report

Instruction	Samples	Min CUs	Max CUs	Avg CUs	Est Cost (Low) [SOL]	Est Cost (Med) [SOL]	Est Cost (High) [SOL]
cancel_subscription	11	1805	2118	2003	0.000005000	0.000005080	0.000006001
close_subscription_authority	7	1881	1916	1886	0.000005000	0.000005075	0.000005943
create_fixed_delegation	38	3621	15616	5505	0.000005001	0.000005220	0.000007752
create_plan	84	3540	15553	5132	0.000005001	0.000005205	0.000007566
create_recurring_delegation	27	3640	8143	4646	0.000005001	0.000005185	0.000007323
delete_plan	8	416	416	416	0.000005000	0.000005016	0.000005208
init_subscription_authority	142	9349	27351	12543	0.000005003	0.000005501	0.000011271
revoke_delegation	19	318	585	420	0.000005000	0.000005016	0.000005210
subscribe	21	6666	12666	8176	0.000005002	0.000005327	0.000009088
transfer_fixed	6	10105	13105	11604	0.000005003	0.000005464	0.000010802
transfer_recurring	17	10212	14803	11920	0.000005003	0.000005476	0.000010960
transfer_subscription	10	10495	11995	11100	0.000005003	0.000005444	0.000010550
update_plan	21	424	500	474	0.000005000	0.000005018	0.000005237

Generated: 2026-04-30