graph TD A[Start DataCollectorAgent] --> B[Load Configuration] B --> C[Load campaign_config.json] B --> D[Load API Credentials] C --> E[Task 1: Ad Platform Data Config] D --> E E --> F[Generate api_retrieval_config.json] F --> G[Task 2: Daily Metrics Generator] G --> H[Fetch Raw Platform Data] H --> I[Transform to JSON] I --> J[Create/Update daily_metrics.json] J --> K[Task 3: Data Validation] K --> L{Validate Data} L -->|Valid| M[Save validated_daily_metrics.json] L -->|Invalid| N[Log Error] N --> G M --> O{Campaign Complete?} O -->|No: Day < 7| P[Wait 24 Hours] P --> G O -->|Yes: Day = 7| Q[End DataCollectorAgent]