On all three rule arms (prompt_rule, pre_tool_rule, write_path_rule), after
the direct match, a lesson matching the moment at the notes menu's own bar
brings the rule(s) it is CONFIRMED to be an instance of, rendered in rule
voice with "Reached through lesson #N “…”, a recorded instance of it."
- Confirmed links only (lesson_rules.confirmed_lessons /
confirmed_rules_in_scope). A suggested link carrying its rule would
manufacture the co-arrival #4637 counts and prove itself.
- Scope kept: a lesson surfaces everywhere, but the rule it brings must be
global or this project's own — milestone 414's boundary, not reopened
through a side door.
- Suppression is by RULE: anything the direct band named or the session
ledger holds is skipped, whichever lesson reached it.
- Its own slot (VIA_LESSON_LIMIT = 1), not a rule slot — a stated default,
since the plan's "decide by measurement" has nothing to measure until
links are confirmed (#4632). Its own source, rule_via_lesson: registered,
RANKED for pull-through, logged whenever it searches.
- Nothing searched at all while no lesson carries a confirmed link, which is
every install until one is judged.
- build_prompt_rule_hint / build_tool_rule_hint are now thin wrappers over
the direct arms (_prompt_rule_hint / _tool_rule_hint); the arm leaves its
query in `_via_query` only when it ran, so a disabled arm or a blank prompt
brings no rule in either, and the key never leaves the server.
- Via-lesson rules are not fed to the #4637 co-surfacing recorder: only
direct matches are evidence.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
