deps(deps-dev): bump pi_bridge from 0.6.21 to 0.6.22

[dependabot]

Bumps pi_bridge from 0.6.21 to 0.6.22.

Release notes

Sourced from pi_bridge's releases.

v0.6.22

Changed

• Migrated embedded bridge communication fully to extension-owned stdio and removed the legacy MCP HTTP/JSON-RPC transport and project installer path.
• elixir_eval no longer recompiles/reloads project code before every trusted eval. Use reload: true when an eval explicitly needs a compile/reload first.
• Loosened the pi_bridge Mix project and bundled fixture elixir: requirement from ~> 1.20 to ~> 1.16; guidance still recommends Elixir 1.20+ / OTP 27+.

Fixed

• Embedded eval timeouts now tear down wedged BEAM sessions, include recent stderr in the timeout error, and allow the next tool call to start a fresh bridge.
• Timed-out stateful eval sessions now kill the stuck evaluator process so later evals with the same session id can recover.
• Stdio smoke tests now precompile required Mix projects instead of hiding cold compilation inside bridge startup readiness.

Changelog

Sourced from pi_bridge's changelog.

0.6.22 - 2026-06-25

Changed

• Migrated embedded bridge communication fully to extension-owned stdio and removed the legacy MCP HTTP/JSON-RPC transport and project installer path.
• elixir_eval no longer recompiles/reloads project code before every trusted eval. Use reload: true when an eval explicitly needs a compile/reload first.
• Loosened the pi_bridge Mix project (and the bundled packages/fixtures/demo_project fixture) elixir: requirement from ~> 1.20 to ~> 1.16 so legacy projects on Elixir 1.16–1.19 can adopt the bridge. New-project guidance and startup notices still recommend Elixir 1.20+ / OTP 27+ for the compiler's set-theoretic type-system improvements. The bridge now depends on json_codec ~> 0.1.5, which carries the same loosened Elixir requirement.

Fixed

• Embedded eval timeouts now tear down wedged BEAM sessions, include recent stderr in the timeout error, and allow the next tool call to start a fresh bridge instead of waiting on a poisoned process.
• Timed-out stateful eval sessions now kill the stuck evaluator process so later evals with the same session id can recover.

Commits

• 1207a13 Use test Mix env for stdio smoke
• 27a4b78 Precompile bridge for stdio smoke test
• e9ac37a Release v0.6.22
• c041c3d Complete stdio bridge migration
• f537391 Fix embedded eval timeout recovery
• 90803f5 Add Elixir skill invariants: structure, docs, contracts, tests, JSON
• f04c745 Clarify test helper organization guidance
• f0ec3ff Merge pull request #5 from gilbertwong96/chore/loosen-elixir-1.16
• 6138997 Pin json_codec with loosened Elixir requirement
• d7bd44e Move Elixir 1.20 recommendation to startup
• Additional commits viewable in compare view

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[dependabot]

Looks like pi_bridge is up-to-date now, so this is no longer needed.