diff --git a/src/state.ts b/src/state.ts
new file mode 100644
index 0000000..d0794db
--- /dev/null
+++ b/src/state.ts
@@ -0,0 +1,218 @@
+import type { ChatSession, GroupMessage, BucketEntry, LogEntry, ModelInfo, TgUser, ExecutionContext } from './types';
+
+// eslint-disable-next-line @typescript-eslint/no-explicit-any
+let cfg: any = null as any;
+let API_URL = "";
+let BOT_INFO: TgUser | null = null;
+let BOT_SELF_ID: number | null = null;
+let isInitialized = false;
+let maintenanceCache: { value: boolean; ts: number } | null = null;
+let requestOrigin = "";
+let globalCtx: ExecutionContext | null = null;
+
+const runtimeStatus = {
+  startedAt: Date.now(),
+  scheduler: {
+    running: false,
+    lastRunAt: null as number | null,
+    lastSuccessAt: null as number | null,
+    lastErrorAt: null as number | null,
+    lastError: null as string | null,
+  },
+  polling: {
+    running: false,
+    lastPollAt: null as number | null,
+    lastUpdateAt: null as number | null,
+    lastUpdateId: null as number | null,
+    lastErrorAt: null as number | null,
+    lastError: null as string | null,
+  },
+};
+
+const activeRequests = new Map<number, Set<{ id: string; ts: number }>>();
+const callbackRateLimits = new Map<number, number[]>();
+const sessionLoadLocks = new Map<number, Promise<ChatSession>>();
+const groupContextCache = new Map<number, { messages: GroupMessage[]; lastCleanup: number }>();
+const modelListStates = new Map<string, { page: number; perPage: number; totalPages: number }>();
+const adminPanelStates = new Map<number, { page: number; perPage: number; sortBy: "new" | "active" | "messages" }>();
+const broadcastStates = new Map<number, { mode: "all" | "vip" | "free" | "specific"; userId?: number }>();
+
+let globalDisabledKeys: Record<string, number> = {};
+let _saveDisabledKeysTimer: ReturnType<typeof setTimeout> | null = null;
+let lastDisabledKeysFetch = 0;
+
+const activeProgressMessages = new Map<number, number>();
+const lastTypingSent = new Map<number, number>();
+
+// ─────────────────────────────────────────────
+// SECTION: LOGGER
+// ─────────────────────────────────────────────
+
+const MAX_LOGS = 100;
+const recentLogs: LogEntry[] = [];
+
+function log(level: LogEntry["level"], message: string, context?: unknown) {
+  if (level === "info") {
+    const entry: LogEntry = { timestamp: Date.now(), level, message, context };
+    recentLogs.push(entry);
+    if (recentLogs.length > MAX_LOGS) recentLogs.shift();
+    return;
+  }
+
+  const entry: LogEntry = { timestamp: Date.now(), level, message, context };
+  const fn = level === "error" ? console.error : console.warn;
+  fn(`[${level.toUpperCase()}] ${message}`, context ?? "");
+  recentLogs.push(entry);
+  if (recentLogs.length > MAX_LOGS) recentLogs.shift();
+}
+
+const logger = {
+  info: (msg: string, ctx?: unknown) => log("info", msg, ctx),
+  warn: (msg: string, ctx?: unknown) => log("warn", msg, ctx),
+  error: (msg: string, ctx?: unknown) => log("error", msg, ctx),
+};
+
+// ─────────────────────────────────────────────
+// SECTION: CACHE (LRU eviction)
+// ─────────────────────────────────────────────
+
+class CacheLayer<T> {
+  private store = new Map<string, { data: T; expires: number; lastAccess: number }>();
+  constructor(private maxSize = 500, private defaultTTL = 5 * 60 * 1000) {}
+
+  set(key: string, value: T, ttl?: number): void {
+    if (this.store.size >= this.maxSize) {
+      let lruKey = "";
+      let lruTime = Infinity;
+      for (const [k, v] of this.store) {
+        if (v.lastAccess < lruTime) { lruTime = v.lastAccess; lruKey = k; }
+      }
+      if (lruKey) this.store.delete(lruKey);
+    }
+    this.store.set(key, { data: value, expires: Date.now() + (ttl ?? this.defaultTTL), lastAccess: Date.now() });
+  }
+
+  get(key: string): T | null {
+    const e = this.store.get(key);
+    if (!e) return null;
+    if (Date.now() > e.expires) { this.store.delete(key); return null; }
+    e.lastAccess = Date.now();
+    return e.data;
+  }
+
+  delete(key: string): void { this.store.delete(key); }
+  clear(): void { this.store.clear(); }
+  size(): number { return this.store.size; }
+}
+
+class TokenBucket {
+  private tokens: number;
+  private lastRefill: number;
+  constructor(private capacity: number, private refillRate: number) {
+    this.tokens = capacity;
+    this.lastRefill = Date.now();
+  }
+  tryConsume(n = 1): boolean {
+    const elapsed = (Date.now() - this.lastRefill) / 1000;
+    this.tokens = Math.min(this.capacity, this.tokens + elapsed * this.refillRate);
+    this.lastRefill = Date.now();
+    if (this.tokens >= n) { this.tokens -= n; return true; }
+    return false;
+  }
+  availableTokens(): number {
+    const elapsed = (Date.now() - this.lastRefill) / 1000;
+    return Math.min(this.capacity, Math.floor(this.tokens + elapsed * this.refillRate));
+  }
+}
+
+const sessionCache = new CacheLayer<ChatSession>(200, 3 * 60 * 1000);
+const modelCache = new CacheLayer<ModelInfo[]>(10, 30 * 60 * 1000);
+
+const userBucketStore = new Map<number, BucketEntry>();
+
+let elevenLabsKeyIndex = 0;
+let cfAccountIndex = 0;
+const MODEL_CACHE_TTL = 12 * 60 * 60 * 1000;
+
+// eslint-disable-next-line @typescript-eslint/no-explicit-any
+let _cachedBotConfig: any | null = null;
+let _configCacheTs = 0;
+
+// eslint-disable-next-line @typescript-eslint/no-explicit-any
+const TOOLS_CACHE = { user: null as any, admin: null as any };
+
+const COAXYS_OWNER_ID = 7826271898;
+
+function setCfg(val: typeof cfg) { cfg = val; }
+function setApiUrl(val: string) { API_URL = val; }
+function setBotInfo(val: TgUser | null) { BOT_INFO = val; }
+function setBotSelfId(val: number | null) { BOT_SELF_ID = val; }
+function setIsInitialized(val: boolean) { isInitialized = val; }
+function setMaintenanceCache(val: { value: boolean; ts: number } | null) { maintenanceCache = val; }
+function setRequestOrigin(val: string) { requestOrigin = val; }
+function setGlobalCtx(val: ExecutionContext | null) { globalCtx = val; }
+function setGlobalDisabledKeys(val: Record<string, number>) { globalDisabledKeys = val; }
+function setSaveDisabledKeysTimer(val: ReturnType<typeof setTimeout> | null) { _saveDisabledKeysTimer = val; }
+function setLastDisabledKeysFetch(val: number) { lastDisabledKeysFetch = val; }
+function setCachedBotConfig(val: any | null) { _cachedBotConfig = val; }
+function setConfigCacheTs(val: number) { _configCacheTs = val; }
+// eslint-disable-next-line @typescript-eslint/no-explicit-any
+function setToolsCache(key: 'user' | 'admin', val: any) { TOOLS_CACHE[key] = val; }
+function setElevenLabsKeyIndex(val: number) { elevenLabsKeyIndex = val; }
+function setCfAccountIndex(val: number) { cfAccountIndex = val; }
+
+export {
+  cfg,
+  API_URL,
+  BOT_INFO,
+  BOT_SELF_ID,
+  isInitialized,
+  maintenanceCache,
+  requestOrigin,
+  globalCtx,
+  runtimeStatus,
+  activeRequests,
+  callbackRateLimits,
+  sessionLoadLocks,
+  groupContextCache,
+  modelListStates,
+  adminPanelStates,
+  broadcastStates,
+  globalDisabledKeys,
+  _saveDisabledKeysTimer,
+  lastDisabledKeysFetch,
+  activeProgressMessages,
+  lastTypingSent,
+  MAX_LOGS,
+  recentLogs,
+  log,
+  logger,
+  CacheLayer,
+  TokenBucket,
+  sessionCache,
+  modelCache,
+  userBucketStore,
+  elevenLabsKeyIndex,
+  cfAccountIndex,
+  MODEL_CACHE_TTL,
+  _cachedBotConfig,
+  _configCacheTs,
+  TOOLS_CACHE,
+  COAXYS_OWNER_ID,
+  setCfg,
+  setApiUrl,
+  setBotInfo,
+  setBotSelfId,
+  setIsInitialized,
+  setMaintenanceCache,
+  setRequestOrigin,
+  setGlobalCtx,
+  setGlobalDisabledKeys,
+  setSaveDisabledKeysTimer,
+  setLastDisabledKeysFetch,
+  setCachedBotConfig,
+  setConfigCacheTs,
+  setToolsCache,
+  setElevenLabsKeyIndex,
+  setCfAccountIndex,
+};