fix: Ozonetel token — 10min cache, invalidate on 401, refresh on login

- Reduced token cache from 55min to 10min (Ozonetel expires in ~15min)
- All API methods invalidate cached token on 401 response
- Force-refresh token on CC agent login
- Removed unused withTokenRetry wrapper

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

src/auth/auth.controller.ts

@@ -139,6 +139,11 @@ export class AuthController {
                 // Lock session in Redis with IP
                 await this.sessionService.lockSession(agentConfig.ozonetelAgentId, memberId, clientIp);
 
+                // Force-refresh Ozonetel API token on login
+                this.ozonetelAgent.refreshToken().catch(err => {
+                    this.logger.warn(`Ozonetel token refresh on login failed: ${err.message}`);
+                });
+
                 // Login to Ozonetel with agent-specific credentials
                 const ozAgentPassword = process.env.OZONETEL_AGENT_PASSWORD ?? 'Test123$';
                 this.ozonetelAgent.loginAgent({