GraphTrail v0.1.0

Added

• First GraphTrail release.
• Local SQLite code-graph indexer for Python, TypeScript/JavaScript, Rust, and Go.
• CLI commands for sync, search, callers, callees, impact, context, and stats.
• Read-only stdio MCP server with per-call repo/db overrides.
• Brigade-friendly markdown context packs plus optional Code Search and MiseLedger integrations.

Changed

• README now leads with a verified MCP tool table, quickstart, stats proof block, and recorded terminal demo.