labs: graduate admin API to GA, remove adminapi flag

[evanphx]

Summary

Graduates the Admin API from a Miren Labs feature to GA by removing the adminapi flag and making the admin API always-on.

The adminapi flag only gated two things; the admin token is already generated unconditionally for every app version (servers/build/build.go), and the miren admin CLI was never flag-gated — so GA-ing the feature is just dropping the two guards plus cleanup.

Changes

• pkg/labs/features.yaml — remove the adminapi feature; regenerate pkg/labs/labs.gen.go (drops FeatureAdminAPI and the AdminAPI() predicate).
• components/coordinate/coordinate.go — always expose the admin RPC server (removed if labs.AdminAPI()).
• controllers/deployment/launcher.go — inject ADMIN_TOKEN whenever a version has a token; removed the now-unused labs import.
• pkg/labs/labs_test.go — swap the two adminapi test references for distributedrunners.
• cli/commands/server_install_docker.go + regenerated docs/docs/command/server-docker-install.md — --labs help example no longer references adminapi.
• docs/docs/labs.md — replace adminapi examples.

Compatibility

Existing deployments passing --labs adminapi will log a "unknown labs feature flag" warning but otherwise work fine — the admin API is now always on. No compat shim added; the warning serves as a soft deprecation signal.

Testing

• go test ./pkg/labs/... — pass
• go vet across coordinate / deployment / admin / cli — clean
• make lint — 0 issues, docs lint passed
• Full host binary build — compiles

Closes MIR-1175

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

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Configuration used: Organization UI

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Run ID: 60abf37b-73cc-49e7-91ab-1f427821f389

📥 Commits

Reviewing files that changed from the base of the PR and between 5244553 and feb66e4.

📒 Files selected for processing (8)

• cli/commands/server_install_docker.go
• components/coordinate/coordinate.go
• controllers/deployment/launcher.go
• docs/docs/command/server-docker-install.md
• docs/docs/labs.md
• pkg/labs/features.yaml
• pkg/labs/labs.gen.go
• pkg/labs/labs_test.go

💤 Files with no reviewable changes (2)

• pkg/labs/labs.gen.go
• pkg/labs/features.yaml

✅ Files skipped from review due to trivial changes (3)

• docs/docs/command/server-docker-install.md
• cli/commands/server_install_docker.go
• docs/docs/labs.md

🚧 Files skipped from review as they are similar to previous changes (2)

• components/coordinate/coordinate.go
• controllers/deployment/launcher.go

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📝 Walkthrough

Walkthrough

This PR removes the adminapi feature flag from the Miren Labs system and makes the admin RPC endpoint unconditionally available. The coordinator now always exposes the admin endpoint regardless of lab settings. The deployment launcher no longer gates ADMIN_TOKEN injection on the admin API lab flag. Documentation examples and CLI help text are updated to reference distributedrunners instead of the removed adminapi feature, and tests are adjusted to match the new feature set.

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[coderabbitai]

Actionable comments posted: 0

[phinze]

Ready to ship when you're ready! 🚢