chore(training): Add 20260821-1516-gen5-s5-intercepts checkpoints, logs, and exported policy

training/generation5_state.json

@@ -506,10 +506,5 @@
       ],
       "decision": "fail"
     }
-  ],
+  ]
-  "resume_override": {
-    "stage_index": 1,
-    "experiment": "20260821-0056-gen5-s5-intercepts-retry2",
-    "reason": "Stage 5 attempts 1-3 blocked on productive_air_touch_fraction=0.0, but the cause was _place_air_intercept's unreachable spawn geometry, not the policy or the reward function (see the Round 9 note in generation5.py). The drill was fixed; the reward function is unchanged, so this lineage's learned flight behaviour is kept rather than restarted from Stage 4."
-  }
 }