Integrate Keck DRP framework with Prefect based DRP flow

[mikelangmayr]

• integrate Keck DRP framework primitives into the existing pipeline
• wrap Keck functions (NormalizeFlat, TraceSlits1D) as Prefect tasks
• update batch flow to use wrapped primitives in Prefect
• organize code into clear structure
• verify end-to-end flow from flat input to corrected FITS and QA outputs

Updated Architecture overview

• Normalized flat frames

• Flat-field correction images

• Slit trace solutions

• Quality assurance (QA) plots

                   ┌────────────────────────┐
                   │   Raw FITS Flat Files  │
                   └────────────┬───────────┘
                                │
                                ▼
                ┌────────────────────────────┐
                │  Core DRP Logic (lris2_drp) │
                │  e.g. flat.py, tracing.py   │
                └────────────┬───────────────┘
                             │
                             ▼
            ┌────────────────────────────────────┐
            │  Keck DRP Primitives (keck_funcs)   │
            │  - NormalizeFlat                    │
            │  - TraceSlits1D                     │
            └────────────┬───────────────────────┘
                         │
                         ▼
        ┌──────────────────────────────────────┐
        │  Prefect Task Wrappers (prefect_tasks)│
        │  - normalize_flat_task                │
        │  - trace_slits_task                   │
        │  - load/save FITS, QA plot            │
        └────────────┬──────────────────────────┘
                     │
                     ▼
       ┌────────────────────────────────────┐
       │  Prefect Flow (flows/batch_flat_flow.py) │
       │  - Runs all tasks as a pipeline     │
       └────────────┬───────────────────────┘
                    │
                    ▼
        ┌──────────────────────────────────┐
        │   Output Directory Structure      │
        │   - Corrected FITS                │
        │   - Slit Trace Text               │
        │   - QA PNG                        │
        └──────────────────────────────────┘