diff --git a/shared/src/types.ts b/shared/src/types.ts
index b8f43d8..54cd457 100644
--- a/shared/src/types.ts
+++ b/shared/src/types.ts
@@ -267,6 +267,51 @@ export interface Desire {
   cooldownTicks?: number;
 }
 
+// Admin panel types
+export interface TunableConstants {
+  TICK_RATE: number;
+  BROADCAST_EVERY_N_TICKS: number;
+  HUNGER_DECAY_PER_TICK: number;
+  ENERGY_DECAY_PER_TICK: number;
+  HUNGER_THRESHOLD: number;
+  ENERGY_THRESHOLD: number;
+  NEED_RECOVERY_RATE: number;
+  SLEEP_ENERGY_RECOVERY_PER_TICK: number;
+  SLEEP_HUNGER_DECAY_MULTIPLIER: number;
+  SLEEP_WAKE_THRESHOLD: number;
+  SLEEP_VOLUNTARY_ENERGY_THRESHOLD: number;
+  PRODUCTIVITY_DECAY_PER_TICK: number;
+  PRODUCTIVITY_THRESHOLD: number;
+  PRODUCTIVITY_RECOVERY_RATE: number;
+  DAY_NIGHT_RATIO: number;
+  DAY_HOURS: number;
+  SUNSET_DURATION_HOURS: number;
+  SUNRISE_DURATION_HOURS: number;
+  NIGHT_DARKNESS: number;
+  AWARENESS_RADIUS: number;
+  FACING_DURATION: number;
+  PAUSING_DURATION: number;
+  EMOTING_DURATION: number;
+  SOCIAL_GLOBAL_COOLDOWN: number;
+  SOCIAL_PAIR_COOLDOWN: number;
+  PROPOSAL_EMOTING_DURATION: number;
+  MAX_NPC_COUNT: number;
+  MOVE_SPEED: number;
+}
+
+export type TunableKey = keyof TunableConstants;
+
+// Log panel types
+export type LogSeverity = 'error' | 'warning' | 'info';
+export type LogCategory = 'LLM' | 'Save' | 'Network' | 'Performance' | 'Game';
+
+export interface LogEntry {
+  timestamp: number;
+  severity: LogSeverity;
+  category: LogCategory;
+  message: string;
+}
+
 // Server -> Client events
 export interface ServerEvents {
   'world-state': (data: WorldState) => void;
@@ -286,6 +331,10 @@ export interface ServerEvents {
   'stockpile-event': (data: StockpileLogEntry) => void;
   'stockpile-history': (data: StockpileLogEntry[]) => void;
   'stockpile-summary': (data: Record<string, number>) => void;
+  'admin-auth-result': (data: { success: boolean; constants?: TunableConstants }) => void;
+  'admin-constants-updated': (data: TunableConstants) => void;
+  'log-history': (data: LogEntry[]) => void;
+  'log-entry': (data: LogEntry) => void;
 }
 
 // Client -> Server events
@@ -295,4 +344,9 @@ export interface ClientEvents {
   'superlatives-subscribe': () => void;
   'superlatives-unsubscribe': () => void;
   'follow-npc': (data: { entityId: EntityId | null }) => void;
+  'admin-auth': (data: { password: string }) => void;
+  'admin-update-constant': (data: { key: TunableKey; value: number }) => void;
+  'admin-reset-defaults': () => void;
+  'log-subscribe': () => void;
+  'log-unsubscribe': () => void;
 }