v0.6.0

• feat(proxy): glam serve — the router-as-proxy gateway. A local
  Anthropic-Messages + OpenAI-chat-completions endpoint that puts glamfire's meter,
  router, hard budget stops, and owned usage ledger under agents you already run
  (Claude Code, opencode, Cursor, any OpenAI SDK). Streaming both dialects,
  tool-call IDs round-trip verbatim, bearer auth always required, loopback by
  default. Per-client budgets reject over-budget requests with a provider-shaped
  error before any provider is called. glam usage gains a by-client breakdown.
  Live-verified: real Claude Code headless through the proxy to GLM 5.2 on
  Fireworks — 2 tasks with real tool calls metered at $0.0423 vs a $0.303
  Claude-pricing estimate for the same session. See docs/PROXY.md. (#41)
• feat(brain): the markdown is the brain; SQLite is a rebuildable index. Every
  record is a readable markdown file with YAML frontmatter under brain/
  (sources/facts/notes/pointers/episodes + generated INDEX.md and log.md):
  truth: source|summary, sharing: personal|team, derived_from with per-link
  content hashes. New glam brain add|list|query|sync|lint|rebuild. Content-hash
  sync (file-wins for sources; conflicts surfaced, never merged silently). The
  tested invariant: delete the .sqlite, rebuild losslessly from markdown. (#36)