v1.3.0 — sbt auto-mode default + install/CI fixes

[1.3.0] — 2026-04-22

Added

• bin/sbt-direct — SBT_DIRECT_MODE=auto (new default). Coordinator probes <workspace>/.bsp/sbt.json at start; picks bsp mode when present (warm ~130ms), otherwise falls back to oneshot with a log line telling the user to run sbt bspConfig. Explicit bsp and oneshot remain supported for force-mode use.
• bin/tool-server-proxy.js — /health now reports childrenAlive so external monitors can distinguish "coordinator up" from "coordinator up but backing child died".
• README.md — single-wrapper install guide covering all LSP + opt-in wrappers; verified before/after benchmark tables for all 5 opt-in wrappers.
• fixtures/node-formatter/eslint.config.js + package.json "type":"module" — eslint v10 flat-config so the fixture probe passes. Enables eslint-direct to participate in scripts/verify.sh.

Fixed

• scripts/install.sh + scripts/uninstall.sh — corrected SessionStart hook entry schema so the prewarm hook actually registers in ~/.claude/settings.json (previous entry silently ignored).
• docs/per-language/sbt.md — documents that both bsp and oneshot require dangerouslyDisableSandbox on macOS (sbt's BootServerSocket path not covered by a static allowlist).
• .github/workflows/ci.yml — runs install.sh before the fixture-probe + opt-in-probe jobs; relaxes sha gate to shape-only so downstream CI on varying tool versions doesn't false-fail.