chore(core): upgrade @outfitter/contracts to ^0.4.1

[galligan]

Summary

• Bump @outfitter/contracts from ^0.1.0 to ^0.4.1 in core and shared
• Update createLogger to satisfy new LogMethod overloaded interface
• Foundation PR for the Outfitter stack adoption series (FIRE-3)

Test plan

• bun install succeeds
• bun run check passes (lint + types)
• bun test passes (288 tests)

🤘🏻 In-collaboration-with: Claude Code

Greptile Summary

This PR upgrades @outfitter/contracts from ^0.1.0 to ^0.4.1 across the core and shared packages. The logger implementation was refactored to satisfy the new LogMethod interface by extracting a helper method pattern and adding subpath imports (@outfitter/contracts/logging).

• Updated dependency versions in packages/core/package.json and packages/shared/package.json
• Refactored createLogger to use a method() helper that wraps log calls and returns properly typed LogMethod instances
• Added type imports for LogMetadata and LogMethod from the contracts package
• Changed from default import to subpath import (@outfitter/contracts/logging)
• All tests pass (288 tests) and type checking succeeds according to PR description

Confidence Score: 5/5

• This PR is safe to merge with minimal risk
• The changes are straightforward dependency upgrades with appropriate code updates to match the new interface. The PR author verified that all tests pass (288 tests), type checking succeeds, and build completes successfully. The refactoring to the logger implementation is clean and maintains backward compatibility since the Logger interface hasn't changed from a consumer perspective.
• No files require special attention

Important Files Changed

Filename	Overview
packages/core/package.json	Upgraded @outfitter/contracts from ^0.1.0 to ^0.4.1 as specified in the PR description
packages/shared/package.json	Upgraded @outfitter/contracts from ^0.1.0 to ^0.4.1 consistently with core package
packages/shared/src/logger.ts	Refactored to use new LogMethod interface with subpath imports and helper method pattern

_{Last reviewed commit: 0e25df7}

[linear]

FIRE-3 Upgrade `@outfitter/contracts` to 0.4.1 + finish core Result migration

[galligan]

• docs: update architecture docs for Outfitter stack adoption #172
• feat(mcp): adopt @outfitter/mcp with createMcpServer() and defineTool() #171
• refactor(cli): wire exitWithError() across key commands #170
• feat(cli): adopt @outfitter/cli with createCLI() entry point #169
• feat(core): extract sync handler #168
• feat(core): extract PR mutation handlers (approve, reject, edit) #167
• feat(core): extract feedback handlers (reply, comment, ack, close) #166
• feat(core): extract read handlers (doctor, query) #165
• feat(core): define handler contract and extract statusHandler #164
• chore(core): upgrade @outfitter/contracts to ^0.4.1 #163 👈 (View in Graphite)
• main

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