[BaconDroid]

Summary

Adds an optional LLM classifier and scopes the guidance to the turns that matter.

• triggers.afterIdle: first request after an idle or session start when no user message is pending.
• triggers.afterUserMessage: first request after a real user message.
• Omit triggers for the original behavior (guidance on every request); both false disables the guidance.
• The main session still receives the same guidance (policy + current/valid levels) at the triggers.
• classifier is disabled by default and keeps opencode/big-pickle configured. When enabled, it runs on real user messages, uses the same guidance as its system prompt, the last compaction summary (assistant message with summary: true) or the messages since session start/last idle, and the current message last. It applies the returned level to the triggering message.
• Synthetic and ignored messages are skipped. Failures and timeouts leave the level unchanged.
• State is a 5,000-entry LRU, expires after seven days of inactivity, and is removed on session.deleted.

Stacked on #23.

"triggers": { "afterIdle": true, "afterUserMessage": true },
"classifier": {
  "enabled": false,
  "model": { "providerID": "opencode", "modelID": "big-pickle" }
}

Tests

• Guidance per idle/user turn, no double injection, both-false disables, classifier only on user turns, compaction summary context, session deletion cleanup.
• pnpm verify passes (28 tests, format, lint, typecheck, build).