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j160 (default-off): the energy-reserve FIRING FLOOR + ENEMY-EXHAUSTION ram trigger

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TR_RAM_FLOOR_ENERGY (0.0 = off): at/below this self energy we start no NEW
shot, holding back the reserve for a final ram exchange. Justified by the only
energy gain in the game being +3*power per bullet hit LANDED, so not firing
denies the enemy its only refill. Blocks only NEW shots (gunHeat already gates
committed ones) and is bypassed while ramming.

TR_RAM_ENEMY_ENERGY (0.0 = off): last-scanned enemy energy <= this -> ram
mode. Enemy energy IS observable (ScannedBotEvent.energy, schemas.nim:306),
1-8 ticks stale. This is the shipped finisher with its energy tolerance
promoted to a knob, keeping the self>enemy surplus guard because RAM_DAMAGE
0.6 applies to BOTH bots on every contact tick.

Open-loop measurement (measure_ramfloor_energy, 8149 recordings / 29871
rounds / 33.8M ticks): 'both low' is COMMON (10.4% of ticks below 20, 15.1%
below 25) but neither side goes low first (enemy 52.7% / us 47.3%), and the
owner's literal trigger - enemy so low it cannot fire (energy <= 1.95) - is
only 2.5% of ticks, 1.1% while we are healthy.

Guards 136 -> 147 in test_tfil_commit_env.nim, all green. A/B PRE-REGISTERED
in docs/ram_floor_exhaustion_ab.md and NOT RUN.
This commit is contained in:
Davide Cappellini
2026-09-27 12:46:46 +02:00
parent 7c5bc9ccbd
commit 23bce2dad5
8 changed files with 455 additions and 3 deletions
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docs/env_reference.md
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@@ -226,6 +226,8 @@ shooting *look* like missing).
| `TR_POWER_POLICY` | `1` | `0` = uncapped control arm (today's behaviour without the energy policy) |
| `TR_POWER_LOG` | off | **presence-based**: if the var exists at all (even `=0`) log each power decision |
| `TR_RAM_LOG` | off | **presence-based**: log ram on/off with the reason |
| `TR_RAM_FLOOR_ENERGY` | `0.0` | j160 firing floor: at/below this self energy we start no NEW shot, holding a ram reserve. `0` = off. `~5` = one p=1.0 return hit + two 0.1 shots. Bypassed while ramming |
| `TR_RAM_ENEMY_ENERGY` | `0.0` | j160 exhaustion trigger: last-scanned enemy energy `<=` this -> ram mode. `0` = off. Keeps the finisher's energy-surplus and 300px guards |
| `TR_MOVEMENT_LOG` | off | **presence-based**: log movement band/class changes |
| `TR_TMHORIZON_LOG` | off | value-based: `1` = let the horizon TM gun log its thinking per shot |
| `TR_ENV_REPORT` | `1` | print the boot-time `[env]` report to stdout; `0` suppresses it |