feat(persona): demote stale 'Right now' out of the always-on core

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01G796GsLCvJQKVN7hwV2cDx

tests/test_persona.py

@@ -0,0 +1,27 @@
+"""Persona composition + voice guards. Run via `uv run pytest` FROM the worktree."""
+from __future__ import annotations
+
+from lyra import persona
+
+# core_prompt() char length on the pre-rewrite persona (measured 2026-07-08).
+# The rewrite must not bloat the always-on hot path past this.
+BASELINE_CORE_CHARS = 2878
+
+
+def _core() -> str:
+    persona._sections.cache_clear()  # file changed on disk since import
+    return persona.core_prompt()
+
+
+def test_right_now_is_not_in_the_always_on_core():
+    # Demoted out of _CORE: its content must no longer ride every turn.
+    assert "Right now" not in persona._CORE
+    assert "are coming" not in _core()            # the stale promise is gone from core
+    assert "player content library" not in _core()
+
+
+def test_right_now_section_still_exists_and_is_accurate():
+    rn = persona.section("Right now")
+    assert rn                                       # still a loadable situational section
+    assert "are coming" not in rn                   # stats/profiling are SHIPPED — no stale promise
+    assert "analyze_spot" in rn                     # names a real, current capability