feat(runtime): add individual growth cycle

docs/runtime/PHASE9_0R7_INDIVIDUAL_GROWTH_CONTRACT.md

@@ -52,12 +52,15 @@ reward = +8 Coin at verified result
 
 Ordered consequences:
 
-1. A trained Farstring performs one early shot before enemy pressure.
+1. A trained Farstring moves its one normal shot before enemy pressure; it
+   does not gain a second attack.
 2. Front crush deals `-45`; retained `EQ-002` reduces it to `-30`; trained
    front reduces the already-derived damage by another `20`.
 3. Split pressure hits the original rear for `-40`.
-4. Original rear acts once.
-5. Added rear acts once when present; otherwise the retained build follows up.
+4. Original rear acts once here unless its trained Farstring shot already
+   moved to step 1.
+5. Added rear acts once here when present unless its trained Farstring shot
+   already moved to step 1; otherwise the retained build follows up.
 6. Route guard reaches `0` and reward commits once.
 
 Kindhand healing targets the damaged original rear. A normal Kindhand restores