refactor: removed the token calculator logic

The information given was not accurate for the model providers

server/providers/codex/adapter.js

@@ -214,7 +214,6 @@ export const codexAdapter = {
     const rawMessages = Array.isArray(result) ? result : (result.messages || []);
     const total = Array.isArray(result) ? rawMessages.length : (result.total || 0);
     const hasMore = Array.isArray(result) ? false : Boolean(result.hasMore);
-    const tokenUsage = result.tokenUsage || null;
 
     const normalized = [];
     for (const raw of rawMessages) {
@@ -242,7 +241,6 @@ export const codexAdapter = {
       hasMore,
       offset,
       limit,
-      tokenUsage,
     };
   },
 };

server/providers/gemini/adapter.js

@@ -53,14 +53,7 @@ export function normalizeMessage(raw, sessionId) {
   }
 
   if (raw.type === 'result') {
-    const msgs = [createNormalizedMessage({ sessionId, timestamp: ts, provider: PROVIDER, kind: 'stream_end' })];
-    if (raw.stats?.total_tokens) {
-      msgs.push(createNormalizedMessage({
-        sessionId, timestamp: ts, provider: PROVIDER,
-        kind: 'status', text: 'Complete', tokens: raw.stats.total_tokens, canInterrupt: false,
-      }));
-    }
-    return msgs;
+    return [createNormalizedMessage({ sessionId, timestamp: ts, provider: PROVIDER, kind: 'stream_end' })];
   }
 
   if (raw.type === 'error') {

server/providers/types.js

@@ -41,7 +41,7 @@
  * - stream_end:           (no extra fields)
  * - error:                content
  * - complete:             (no extra fields)
- * - status:               text, tokens?, canInterrupt?
+ * - status:               text, canInterrupt?
  * - permission_request:   requestId, toolName, input, context?
  * - permission_cancelled: requestId
  * - session_created:      newSessionId
@@ -66,7 +66,6 @@
  * @property {boolean} hasMore - Whether more messages exist before the current page
  * @property {number} offset - Current offset
  * @property {number|null} limit - Page size used
- * @property {object} [tokenUsage] - Token usage data (provider-specific)
  */
 
 // ─── Provider Adapter Interface ──────────────────────────────────────────────