ci: simplify migration test matrix

[piotr-iohk]

Description

• Replace the legacy 12-case RN matrix with RN 1.1.6 restore/install-on-top and previous-native restore/install-on-top.
• Resolve the pinned native baseline through the companion E2E repository and preserve an optional extended RN matrix.
• Upload diagnostics for every matrix job and require every migration job to pass.

Design

N/A — no UI changes.

Preview

N/A

QA Notes

Journeys

N/A — no user-visible behaviour change.

Manual Tests

N/A

Automated Checks

• updated e2e_migration.yml — runs four routine migration paths with independently resolved source artifacts and retries.

Coordinated rollout

This PR is part of one migration-test rollout and should be reviewed with:

• E2E tests: test: simplify and extend migration coverage bitkit-e2e-tests#258
• Android workflow: ci: simplify migration test matrix #1347
• iOS workflow: ci: cover RN and native migration paths bitkit-ios#804

Merge the E2E PR first. Before merging the iOS PR, change its reusable wallet-setup workflow reference from the temporary companion branch to @main. Then merge the Android and iOS workflow PRs.

[piotr-iohk]

Fresh E2E migration validation: https://github.com/synonymdev/bitkit-android/actions/runs/36161732548

[github-actions]

Regtest APK

Built from 1b58ce7 (run).

Download bitkit-dev-debug universal APK (expires in 30 days).

[greptile-apps]

Confidence Score: 4/5

[High risk] Adds conditional logic and external script execution to CI test matrix.

The PR appears safe to merge, with a non-blocking hardening change recommended for the download command.

Findings

1.  Version breaks shell quoting ▶

Summary

The workflow replaces the hard-coded RN migration matrix with companion-repository planning and downloads, adds an optional extended run and native baseline override, and aggregates migration results. Diagnostics are now uploaded on successful as well as failed matrix jobs.

Diagram

%%{init: {'theme': 'neutral'}}%%
flowchart LR
  Inputs[Dispatch inputs] --> Plan[Resolve ref and generate migration plan]
  Plan --> Matrix[Migration scenario matrix]
  Build[Build Android APK] --> Matrix
  Matrix --> Result[Require migration jobs to succeed]
  Result --> Slack[Optional Slack summary]

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_{Reviews (1) · Last reviewed commit: "ci: use simplified migration matrix"}

[piotr-iohk]

Clarification on the migration run above: the only failing case, rn_restore, is unrelated to the workflow/test changes in this PR. It reproduces #1342: the historical on-chain receive sheet remains open after mnemonic restore and covers the wallet home screen.

This branch does not contain the fix merged in #1343. The other three migration cases passed. Once this branch includes #1343 (for example by updating it from current master), that known failure should be resolved.

[pwltr]

Reviewed 1b58ce70f0e2caa1498b59b39359ee88dec651b5 with the companion migration changes.

No actionable code findings. The earlier shell-quoting concern is addressed by passing MIGRATION_SOURCE and MIGRATION_VERSION through environment variables.

Build, lint and detekt pass; migration jobs were skipped on this head. The earlier manual run passed three cases and failed rn_restore. The author attributes that failure to #1342 and notes that this branch lacks the fix merged in #1343. This is an existing product regression, not a new finding in this workflow change.

Include that fix and rerun migration coverage before considering verification complete. Merge E2E #258 first as documented in the coordinated rollout.