fix: melee attacks now apply enemy defenses (armor/barrier/dodge)

Bug: Melee sword attacks passed null as the enemy to applyEnemyDefenses,
causing all enemy defenses (armor, barrier, dodge) to be bypassed.
Spell damage and DoT effects correctly went through defenses.

Fix: In combat-actions.ts melee loop, get the current target enemy
from currentRoom.enemies (lowest HP, matching focus-fire targeting)
and pass it to applyEnemyDefenses instead of null.

Added 7 regression tests in melee-defense-bypass.test.ts to verify:
- Melee damage is reduced by armor
- Melee damage is reduced by barrier
- Unarmored enemies take more damage than armored ones
- Full damage dealt when no defenses
- Focus-fire targeting (lowest HP enemy)
- Graceful handling of empty enemy list
- Comparison proving defense application

All 948 tests pass (49 test files).

docs/dependency-graph.json

@@ -1,6 +1,6 @@
 {
   "_meta": {
-    "generated": "2026-06-05T13:36:29.562Z",
+    "generated": "2026-06-06T14:50:38.455Z",
     "description": "Import dependency graph for src/lib/game. Keys are files, values are arrays of files they import.",
     "usage": "To find what a file affects, search for its path in the VALUES. To find what a file depends on, look at its KEY entry."
   },
@@ -454,27 +454,44 @@
     "data/golems/base-golems.ts": [
       "data/golems/types.ts"
     ],
+    "data/golems/cores.ts": [
+      "data/golems/types.ts"
+    ],
     "data/golems/elemental-golems.ts": [
       "data/golems/types.ts"
     ],
+    "data/golems/frames.ts": [
+      "data/golems/types.ts"
+    ],
+    "data/golems/golemEnchantments.ts": [
+      "data/golems/types.ts"
+    ],
     "data/golems/golems-data.ts": [
-      "data/golems/base-golems.ts",
-      "data/golems/elemental-golems.ts",
-      "data/golems/hybrid-golems.ts"
+      "data/golems/cores.ts",
+      "data/golems/frames.ts",
+      "data/golems/golemEnchantments.ts",
+      "data/golems/mindCircuits.ts"
     ],
     "data/golems/hybrid-golems.ts": [
       "data/golems/types.ts"
     ],
     "data/golems/index.ts": [
-      "data/golems/golems-data.ts",
-      "data/golems/types.ts",
-      "data/golems/utils.ts"
+      "data/golems/cores.ts",
+      "data/golems/frames.ts",
+      "data/golems/golemEnchantments.ts",
+      "data/golems/mindCircuits.ts",
+      "data/golems/types.ts"
+    ],
+    "data/golems/mindCircuits.ts": [
+      "data/golems/types.ts"
     ],
     "data/golems/types.ts": [
       "types.ts"
     ],
     "data/golems/utils.ts": [
-      "data/golems/golems-data.ts",
+      "data/golems/cores.ts",
+      "data/golems/frames.ts",
+      "data/golems/mindCircuits.ts",
       "data/golems/types.ts"
     ],
     "data/guardian-data.ts": [
@@ -564,6 +581,7 @@
       "stores/combat-actions.ts",
       "stores/combat-descent-actions.ts",
       "stores/combat-state.types.ts",
+      "stores/golemancy-actions.ts",
       "stores/non-combat-room-actions.ts",
       "types.ts",
       "utils/activity-log.ts",
@@ -705,8 +723,11 @@
     "stores/golem-combat-actions.ts": [
       "constants.ts",
       "data/golems/index.ts",
-      "types.ts",
-      "utils/index.ts"
+      "data/golems/utils.ts",
+      "types.ts"
+    ],
+    "stores/golemancy-actions.ts": [
+      "types/game.ts"
     ],
     "stores/index.ts": [
       "constants.ts",
@@ -742,6 +763,7 @@
       "data/guardian-encounters.ts",
       "effects/special-effects.ts",
       "effects/upgrade-effects.types.ts",
+      "stores/combat-state.types.ts",
       "stores/golem-combat-actions.ts",
       "types.ts"
     ],
@@ -763,7 +785,7 @@
       "stores/uiStore.ts"
     ],
     "stores/pipelines/golem-combat.ts": [
-      "stores/combat-damage.ts",
+      "stores/attunementStore.ts",
       "stores/combatStore.ts",
       "stores/golem-combat-actions.ts",
       "stores/manaStore.ts",