fix(claude): add settingSources to load Skills, Commands, and CLAUDE.md

[murataslan1]

Summary

Adds settingSources: ["user", "project"] to Claude Agent SDK query options so that filesystem-based Claude Code features are loaded:

• Skills (.claude/skills/ and ~/.claude/skills/)
• Slash Commands (.claude/commands/ and ~/.claude/commands/)
• CLAUDE.md memory files

Per the SDK docs, the SDK does not load any filesystem settings by default — settingSources must be explicitly configured.

Test plan

• Install a Skill in ~/.claude/skills/ and verify it's available in t3code Claude sessions
• Create a CLAUDE.md in a project directory and verify Claude reads it
• Test custom slash commands in .claude/commands/

Fixes #1283

Note

Add settingSources to Claude query options to load Skills, Commands, and CLAUDE.md

Adds settingSources: ["user", "project"] to the queryOptions object constructed in makeClaudeAdapter in ClaudeAdapter.ts. This tells the Claude API to load user and project-level settings, enabling Skills, Commands, and CLAUDE.md to be picked up during queries.

^{Macroscope summarized eaaa088.}

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[Copilot]

Pull request overview

This PR updates the Claude Agent SDK integration so that Claude Code filesystem-based features (Skills, slash commands, and CLAUDE.md memory) are discovered by explicitly enabling SDK settingSources.

Changes:

• Pass settingSources: ["user", "project"] in the Claude Agent SDK queryOptions so filesystem settings are loaded.

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[Copilot]

settingSources changes the Claude SDK session behavior, but there’s no test assertion that createQuery receives the expected sources. Please add/extend a unit test (e.g. in ClaudeAdapter.test.ts) to verify createInput.options.settingSources is set, so regressions don’t silently disable Skills/Commands/CLAUDE.md again.

[Copilot]

Hard-coding settingSources: ["user", "project"] means the server process will load host-level ~/.claude/* settings and project .claude/* files for every session. In web mode (where the server can bind to non-loopback), this can unintentionally apply/possibly expose host-specific CLAUDE.md memory, Skills, or slash commands to any authenticated client. Consider making settingSources configurable (e.g. via providerOptions.claudeAgent) and/or defaulting to a safer value (like only "project", or only enabling "user" in desktop mode).