feat: promote eight core character stats

CHANGELOG.md

@@ -10,7 +10,7 @@ versioned release tag yet, so entries are organized as pre-alpha snapshots.
 - Character-model taxonomy covering core stats, derived stats, social
   attributes, body presentation, identity fields, and multi-axis relationships
   for NPC-like Frames and player-inhabitable bodies.
-- Character stat and relationship system GDD covering the six-stat MVP backend
+- Character stat and relationship system GDD covering the eight-stat MVP backend
   contract, deferred stat candidates, secondary stat direction, presentation
   attributes, relationship axes, and reincarnation carryover boundaries.
 - Human-believable NPC agent design doc covering trait axes, relationship
@@ -19,7 +19,7 @@ versioned release tag yet, so entries are organized as pre-alpha snapshots.
 - Unity `NetworkPlayer` now carries prototype level, combat stats, BodyTime,
   lifecycle, SECOND balance, reincarnation count, visual key, and agent-control
   state as networked fields.
-- Prototype HUD now shows level, HP, energy, attack, defense, agility,
+- Prototype HUD now shows level, HP, energy, attack, defense, dexterity,
   BodyTime, lifecycle, SECOND balance, and reincarnation count.
 - Unity `CharacterMemorySync` now applies Nakama profile body state onto the
   authoritative local player after profile load.
@@ -182,10 +182,11 @@ versioned release tag yet, so entries are organized as pre-alpha snapshots.
   visible in Play Mode.
 - Nakama agent decisions now default to the `dos-ai` model on `api.dos.ai`;
   Claude aliases are not the default path for the prototype NPC brain.
-- Nakama character stats now use the six canonical MVP core stats:
-  `strength`, `agility`, `endurance`, `perception`, `focus`, and `presence`.
-  Legacy `force`, `vitality`, and `resilience` fields remain as compatibility
-  aliases for the current Unity prototype.
+- Nakama character stats now use the eight canonical MVP core stats:
+  `strength`, `dexterity`, `endurance`, `perception`, `focus`, `presence`,
+  `intelligence`, and `luck`. Legacy `force`, `agility`, `vitality`, and
+  `resilience` fields remain as compatibility aliases for the current Unity
+  prototype.
 - Removed the in-repo Second Spawn Go LLM adapter. Durable profile, soul,
   stats, memory, BodyTime, activity state, and model-backed intent validation
   now stay on the Nakama side of the backend boundary.

ROADMAP.md

@@ -76,7 +76,7 @@ Recommended views:
   AI offline control, agent workflow, and backend boundaries.
 - [x] Character-model taxonomy documented for core stats, secondary stats,
   social attributes, body presentation, identity, and multi-axis relationships.
-- [x] Character stat and relationship system GDD added for the six-stat MVP
+- [x] Character stat and relationship system GDD added for the eight-stat MVP
   backend contract, secondary stat direction, presentation attributes, and
   reincarnation carryover boundaries.
 - [x] Backend tests for Nakama runtime behavior and model-backed fallback.
@@ -90,7 +90,7 @@ Recommended views:
 - [x] `ZoneTest_Hub` enters Play Mode with a Fusion-spawned local player.
 - [x] The spawned player has networked level, combat stats, BodyTime, lifecycle,
   SECOND balance, reincarnation count, visual key, and agent-control flag.
-- [x] Unity prototype HUD shows level, HP, energy, attack, defense, agility,
+- [x] Unity prototype HUD shows level, HP, energy, attack, defense, dexterity,
   BodyTime, lifecycle, SECOND balance, and reincarnation count.
 - [x] Unity prototype HUD shows synced agent runtime counters and recent
   activity rows from the Nakama body profile.

Unity/Assets/_SecondSpawn/Scripts/AI/AgentContextDto.cs

@@ -141,8 +141,11 @@ public sealed class CharacterStatsDto
         public int endurance = 10;
         public int perception = 8;
         public int presence = 5;
+        public int intelligence = 8;
+        public int luck = 5;
         public int vitality = 10;
         public int force = 8;
+        public int dexterity = 8;
         public int agility = 8;
         public int focus = 8;
         public int resilience = 8;

Unity/Assets/_SecondSpawn/Scripts/AI/CharacterMemorySync.cs

@@ -231,15 +231,18 @@ private void ApplyStats(NetworkPlayer player, BodyProfileDto body)
             var time = body.time ?? new BodyTimeDto();
             var account = _context?.player ?? new PlayerProfileDto();
             var strength = ResolveStat(stats.strength, stats.force, 8);
+            var dexterity = ResolveStat(stats.dexterity, stats.agility, 8);
             var endurance = ResolveStat(stats.endurance, stats.vitality, 10);
             var resilience = ResolveStat(stats.resilience, endurance, 8);
             player.ApplyProfileStats(
                 stats.level,
                 endurance,
                 strength,
-                stats.agility,
+                dexterity,
                 stats.focus,
                 resilience,
+                stats.intelligence,
+                stats.luck,
                 stats.max_health,
                 stats.max_energy,
                 stats.attack_power,

Unity/Assets/_SecondSpawn/Scripts/AI/PrototypeAgentBrain.cs

@@ -1034,13 +1034,18 @@ private void ApplyContextToPrototypeBody()
             var stats = body.stats;
             if (stats != null)
             {
-                _moveSpeed = Mathf.Max(0.1f, _baseMoveSpeed * CalculateAgilitySpeedMultiplier(stats.agility));
+                _moveSpeed = Mathf.Max(0.1f, _baseMoveSpeed * CalculateDexteritySpeedMultiplier(ResolveStat(stats.dexterity, stats.agility, 8)));
             }
         }
 
-        private static float CalculateAgilitySpeedMultiplier(int agility)
+        private static int ResolveStat(int primary, int legacy, int fallback)
         {
-            return Mathf.Clamp(agility / 8f, 0.75f, 1.4f);
+            return primary > 0 ? primary : legacy > 0 ? legacy : fallback;
+        }
+
+        private static float CalculateDexteritySpeedMultiplier(int dexterity)
+        {
+            return Mathf.Clamp(dexterity / 8f, 0.75f, 1.4f);
         }
 
         private void LogPhase(BrainPhase phase, string detail)

Unity/Assets/_SecondSpawn/Scripts/Networking/NetworkPlayer.cs

@@ -26,9 +26,12 @@ public sealed class NetworkPlayer : NetworkBehaviour
         [Networked] public int Level { get; set; }
         [Networked] public int Vitality { get; set; }
         [Networked] public int Force { get; set; }
+        [Networked] public int Dexterity { get; set; }
         [Networked] public int Agility { get; set; }
         [Networked] public int Focus { get; set; }
         [Networked] public int Resilience { get; set; }
+        [Networked] public int Intelligence { get; set; }
+        [Networked] public int Luck { get; set; }
         [Networked] public int MaxHealth { get; set; }
         [Networked] public int MaxEnergy { get; set; }
         [Networked] public int AttackPower { get; set; }
@@ -216,9 +219,11 @@ public void ApplyProfileStats(
             int level,
             int vitality,
             int force,
-            int agility,
+            int dexterity,
             int focus,
             int resilience,
+            int intelligence,
+            int luck,
             int maxHealth,
             int maxEnergy,
             int attackPower,
@@ -246,9 +251,12 @@ public void ApplyProfileStats(
             Level = Mathf.Max(1, level);
             Vitality = Mathf.Clamp(vitality, 1, 999);
             Force = Mathf.Clamp(force, 1, 999);
-            Agility = Mathf.Clamp(agility, 1, 999);
+            Dexterity = Mathf.Clamp(dexterity, 1, 999);
+            Agility = Dexterity;
             Focus = Mathf.Clamp(focus, 1, 999);
             Resilience = Mathf.Clamp(resilience, 1, 999);
+            Intelligence = Mathf.Clamp(intelligence, 1, 999);
+            Luck = Mathf.Clamp(luck, 1, 999);
             MaxHealth = Mathf.Max(1, maxHealth);
             MaxEnergy = Mathf.Max(1, maxEnergy);
             AttackPower = Mathf.Max(0, attackPower);
@@ -279,9 +287,12 @@ private void ApplyDefaultStats()
             Level = 1;
             Vitality = 10;
             Force = 8;
+            Dexterity = 8;
             Agility = 8;
             Focus = 8;
             Resilience = 8;
+            Intelligence = 8;
+            Luck = 5;
             MaxHealth = 100;
             MaxEnergy = 50;
             AttackPower = 10;

Unity/Assets/_SecondSpawn/Scripts/UI/HUDController.cs

@@ -114,7 +114,8 @@ private void DrawStats(NetworkPlayer player)
 
             GUILayout.Label($"Level {player.Level}", _labelStyle);
             GUILayout.Label($"HP {player.Hp:0}/{player.MaxHealth} | Energy {player.Stamina:0}/{player.MaxEnergy}", _labelStyle);
-            GUILayout.Label($"ATK {player.AttackPower} | DEF {player.DefensePower} | AGI {player.Agility}", _labelStyle);
+            GUILayout.Label($"ATK {player.AttackPower} | DEF {player.DefensePower} | DEX {player.Dexterity}", _labelStyle);
+            GUILayout.Label($"INT {player.Intelligence} | LUCK {player.Luck} | FOC {player.Focus}", _labelStyle);
             GUILayout.Label($"TIME {FormatSeconds(player.BodyTimeRemainingSeconds)} / {FormatSeconds(player.BodyTimeMaxSeconds)}", _labelStyle);
             GUILayout.Label($"Lifecycle {(player.IsBodyDead ? "dead" : "alive")} | Drain {player.BodyTimeDangerDrainRate}s/tick", _labelStyle);
             GUILayout.Label($"SECOND {FormatSeconds(player.SecondBalanceSeconds)} | Reincarnations {player.ReincarnationCount}", _labelStyle);

backend/nakama/modules/index.ts

@@ -2575,11 +2575,14 @@ function defaultCharacterStats(): any {
   return {
     level: 1,
     strength: 8,
+    dexterity: 8,
     agility: 8,
     endurance: 10,
     perception: 8,
     focus: 8,
     presence: 5,
+    intelligence: 8,
+    luck: 5,
     vitality: 10,
     force: 8,
     resilience: 8,
@@ -2593,19 +2596,24 @@ function defaultCharacterStats(): any {
 function normalizeStatsWithDefaults(stats: any, defaults: any): any {
   var base = normalizeStats(defaults || {});
   var strength = clampNumber(numberOrDefault(firstDefined(stats.strength, stats.force), base.strength), 1, 9999);
-  var agility = clampNumber(numberOrDefault(stats.agility, base.agility), 1, 9999);
+  var dexterity = clampNumber(numberOrDefault(firstDefined(stats.dexterity, stats.agility), base.dexterity), 1, 9999);
   var endurance = clampNumber(numberOrDefault(firstDefined(stats.endurance, firstDefined(stats.vitality, stats.resilience)), base.endurance), 1, 9999);
   var perception = clampNumber(numberOrDefault(stats.perception, base.perception), 1, 9999);
   var focus = clampNumber(numberOrDefault(stats.focus, base.focus), 1, 9999);
   var presence = clampNumber(numberOrDefault(stats.presence, base.presence), 1, 9999);
+  var intelligence = clampNumber(numberOrDefault(stats.intelligence, base.intelligence), 1, 9999);
+  var luck = clampNumber(numberOrDefault(stats.luck, base.luck), 1, 9999);
   return {
     level: clampNumber(numberOrDefault(stats.level, base.level), 1, 100),
     strength: strength,
-    agility: agility,
+    dexterity: dexterity,
+    agility: dexterity,
     endurance: endurance,
     perception: perception,
     focus: focus,
     presence: presence,
+    intelligence: intelligence,
+    luck: luck,
     vitality: clampNumber(numberOrDefault(stats.vitality, endurance), 1, 9999),
     force: clampNumber(numberOrDefault(stats.force, strength), 1, 9999),
     resilience: clampNumber(numberOrDefault(stats.resilience, endurance), 1, 9999),
@@ -2619,19 +2627,24 @@ function normalizeStatsWithDefaults(stats: any, defaults: any): any {
 function normalizeStats(stats: any): any {
   var defaults = defaultCharacterStats();
   var strength = clampNumber(numberOrDefault(firstDefined(stats.strength, stats.force), defaults.strength), 1, 9999);
-  var agility = clampNumber(numberOrDefault(stats.agility, defaults.agility), 1, 9999);
+  var dexterity = clampNumber(numberOrDefault(firstDefined(stats.dexterity, stats.agility), defaults.dexterity), 1, 9999);
   var endurance = clampNumber(numberOrDefault(firstDefined(stats.endurance, firstDefined(stats.vitality, stats.resilience)), defaults.endurance), 1, 9999);
   var perception = clampNumber(numberOrDefault(stats.perception, defaults.perception), 1, 9999);
   var focus = clampNumber(numberOrDefault(stats.focus, defaults.focus), 1, 9999);
   var presence = clampNumber(numberOrDefault(stats.presence, defaults.presence), 1, 9999);
+  var intelligence = clampNumber(numberOrDefault(stats.intelligence, defaults.intelligence), 1, 9999);
+  var luck = clampNumber(numberOrDefault(stats.luck, defaults.luck), 1, 9999);
   return {
     level: clampNumber(numberOrDefault(stats.level, defaults.level), 1, 100),
     strength: strength,
-    agility: agility,
+    dexterity: dexterity,
+    agility: dexterity,
     endurance: endurance,
     perception: perception,
     focus: focus,
     presence: presence,
+    intelligence: intelligence,
+    luck: luck,
     vitality: clampNumber(numberOrDefault(stats.vitality, endurance), 1, 9999),
     force: clampNumber(numberOrDefault(stats.force, strength), 1, 9999),
     resilience: clampNumber(numberOrDefault(stats.resilience, endurance), 1, 9999),

backend/nakama/tests/supabase_custom_auth.test.mjs

@@ -417,9 +417,12 @@ assert.equal(profile.body.stats.level, 1);
 assert.equal(profile.body.stats.strength, 10);
 assert.equal(profile.body.stats.endurance, 9);
 assert.equal(profile.body.stats.vitality, 9);
+assert.equal(profile.body.stats.dexterity, 9);
 assert.equal(profile.body.stats.agility, 9);
 assert.equal(profile.body.stats.perception, 8);
 assert.equal(profile.body.stats.presence, 5);
+assert.equal(profile.body.stats.intelligence, 8);
+assert.equal(profile.body.stats.luck, 5);
 assert.equal(profile.body.stats.max_health, 100);
 assert.equal(profile.body.stats.attack_power, 12);
 assert.equal(profile.body.time.remaining_seconds, 86400);
@@ -581,7 +584,7 @@ const npcProfile = JSON.parse(harness.registeredRpcs.get("secondspawn_actor_prof
     actor_id: "npc-guide",
     actor_type: "npc",
     display_name: "Mira Guide",
-    stats: { level: 0, strength: 12, endurance: 14, agility: 10, perception: 11, focus: 9, presence: 8, max_health: 0, max_energy: 0, attack_power: 0 },
+    stats: { level: 0, strength: 12, endurance: 14, dexterity: 10, perception: 11, focus: 9, presence: 8, intelligence: 13, luck: 4, max_health: 0, max_energy: 0, attack_power: 0 },
     characteristics: { curiosity: 8, sociability: 9 },
     time: { remaining_seconds: 0, max_seconds: 0, danger_drain_rate: 0 },
     soul: { core_drive: "help new bodies survive the hub" }
@@ -596,6 +599,8 @@ assert.equal(npcProfile.body.soul.core_drive, "help new bodies survive the hub")
 assert.equal(npcProfile.body.stats.level, 1);
 assert.equal(npcProfile.body.stats.strength, 12);
 assert.equal(npcProfile.body.stats.endurance, 14);
+assert.equal(npcProfile.body.stats.dexterity, 10);
+assert.equal(npcProfile.body.stats.agility, 10);
 assert.equal(npcProfile.body.stats.max_health, 1);
 assert.equal(npcProfile.body.stats.max_energy, 0);
 assert.equal(npcProfile.body.stats.attack_power, 0);
@@ -604,6 +609,8 @@ assert.equal(npcProfile.body.stats.vitality, 14);
 assert.equal(npcProfile.body.stats.resilience, 14);
 assert.equal(npcProfile.body.stats.perception, 11);
 assert.equal(npcProfile.body.stats.presence, 8);
+assert.equal(npcProfile.body.stats.intelligence, 13);
+assert.equal(npcProfile.body.stats.luck, 4);
 assert.equal(npcProfile.body.characteristics.sociability, 9);
 assert.equal(npcProfile.body.time.remaining_seconds, 0);
 assert.equal(npcProfile.body.time.max_seconds, 1);
@@ -637,6 +644,8 @@ assert.equal(permanentNpcProfile.body.stats.strength, 6);
 assert.equal(permanentNpcProfile.body.stats.endurance, 10);
 assert.equal(permanentNpcProfile.body.stats.perception, 8);
 assert.equal(permanentNpcProfile.body.stats.presence, 5);
+assert.equal(permanentNpcProfile.body.stats.intelligence, 8);
+assert.equal(permanentNpcProfile.body.stats.luck, 5);
 assert.equal(permanentNpcProfile.body.characteristics.discipline, 9);
 assert.equal(permanentNpcProfile.body.soul.name, "Clinic-0819 Craft");
 assert.equal(permanentNpcProfile.memory[0].id, "memory-repair-bench");

docs/design/02-vertical-slice-spec.md

@@ -45,7 +45,7 @@ Already implemented:
 - The spawned player has networked level, combat stats, prototype `BodyTime` /
   TIME, lifecycle,
   SECOND balance, reincarnation count, visual key, and agent-control state.
-- Prototype HUD displays level, HP, energy, attack, defense, agility,
+- Prototype HUD displays level, HP, energy, attack, defense, dexterity,
   prototype `BodyTime` / TIME, lifecycle, SECOND balance, and reincarnation count.
 - Nakama profile bootstrap persists player profile, current body, stats, traits,
   soul, memory, agent policy, runtime, activity, prototype `BodyTime` / TIME,

docs/design/04-cultivation-system.md

@@ -17,8 +17,9 @@ or Cultivation Master progression in the current vertical slice.
 The slice uses:
 
 - `CharacterStats.level` as the baseline progression value.
-- Body-bound stats such as strength, agility, endurance, perception, focus,
-  presence, max health, max energy, attack power, and defense power.
+- Body-bound stats such as strength, dexterity, endurance, perception, focus,
+  presence, intelligence, luck, max health, max energy, attack power, and
+  defense power.
 - TIME / SECOND and reincarnation as the signature systemic loop.
 
 Advanced body or soul progression remains a future design space, but it needs a