chore: bump better auth version

[saddlepaddle]

Summary

• Add opencode CLI configuration (opencode.json) with remote MCP server support pointing to api.superset.sh
• Bump better-auth from 1.4.17 to 1.4.18 across all packages (web, api, desktop, mobile, auth)
• Desktop app improvements: chat UI enhancements, agent hooks, file tagging with @ commands, edit mode toggle for diffs, file explorer state preservation, local session persistence, and various bug fixes
• Marketing site updates including Geist Pixel font for hero
• MCP package improvements including workspaceId requirement for claude sessions

Test plan

• Verify opencode CLI can discover MCP server via .well-known/oauth-authorization-server
• Test MCP OAuth flow (register → authorize → consent → token exchange)
• Verify desktop app builds and runs correctly
• Test chat UI features (@ file tagging, edit mode toggle, agent hooks)
• Confirm better-auth 1.4.18 has no schema migration issues

Summary by CodeRabbit

• Chores
  • Updated better-auth and related authentication packages to v1.4.18 across all applications and packages.
  • Added remote MCP superset configuration to project settings.

[coderabbitai]

📝 Walkthrough

Walkthrough

Dependency versions for better-auth and related packages are bumped from 1.4.17 to 1.4.18 across six applications and packages. Additionally, a remote MCP superset configuration entry is added to opencode.json pointing to the production API endpoint.

Changes

Cohort / File(s)	Summary
better-auth Dependency Updates apps/admin/package.json, apps/api/package.json, apps/desktop/package.json, apps/mobile/package.json, apps/web/package.json, packages/auth/package.json	Bumped better-auth from 1.4.17 to 1.4.18; also updated @better-auth/expo and @better-auth/stripe to 1.4.18 in desktop, mobile, and packages/auth.
MCP Configuration Addition opencode.json	Added remote MCP superset configuration with type "remote" and production API URL (https://api.superset.sh/api/agent/mcp).

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~8 minutes

Possibly related PRs

• chore: update .mcp.json to use production MCP server #987: Modifies MCP superset configuration to point to production host (https://api.superset.sh), aligning with the production agent URL added in this PR's opencode.json changes.
• feat: add Morph Warp Grep MCP and OpenCode config #606: Updates opencode.json with MCP/OpenCode configuration entries, similar pattern to the remote superset configuration addition in this PR.

Poem

🐰 A version hop from one-four-seventeen,
To one-four-eighteen, a patch divine—
Better auth bounds through every screen,
While superset's remote endpoint shines ✨
No bugs to squash, just smooth upgrades,
The rabbit's work in package cascades! 🎉

🚥 Pre-merge checks | ✅ 2 | ❌ 1

❌ Failed checks (1 inconclusive)

Check name	Status	Explanation	Resolution
Description check	❓ Inconclusive	The PR description uses a custom format instead of the required template structure, omitting key sections like 'Related Issues' and 'Type of Change', though it provides comprehensive change details.	Restructure the description to follow the provided template: add 'Related Issues' section, include checkboxes for 'Type of Change', and properly organize 'Testing' and 'Additional Notes' sections.

✅ Passed checks (2 passed)

Check name	Status	Explanation
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Title check	✅ Passed	The title 'chore: bump better auth version' accurately reflects the main changes across the changeset—multiple better-auth dependency updates from 1.4.17 to 1.4.18 in five different package.json files.

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✨ Finishing touches

• 📝 Generate docstrings

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment
• Commit unit tests in branch opencode-support

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[github-actions]

🧹 Preview Cleanup Complete

The following preview resources have been cleaned up:

• ✅ Neon database branch
• ✅ Electric Fly.io app

Thank you for your contribution! 🎉