Initial public release

docs/CODEX_PHASE_3_PROMPT.md

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+# Codex Phase 3 Prompt — Detection + QA/QC Skeleton
+
+Read first:
+
+- `docs/DETECTION_PIPELINE_SPEC.md`
+- `docs/QA_QC_SPECIFICATION.md`
+- `docs/AI_PIPELINES.md`
+- `docs/DATABASE_SCHEMA.md`
+
+## Mission
+
+Build the detection pipeline contracts and QA/QC engine foundation.
+
+## Required features
+
+- Detection analysis run model/API.
+- Detection storage model/API.
+- Model registry skeleton.
+- Tile metadata structures.
+- Pixel bbox to geospatial polygon utility.
+- IoU calculation utility.
+- One-to-one polygon matching utility.
+- Precision/recall/F1 calculation.
+- GeoJSON export for detections and QA outputs.
+
+## Rules
+
+- Do not fake YOLO inference if no model is available.
+- It is acceptable to implement the model adapter interface and readiness checks first.
+- QA/QC utilities must be testable with fixture polygons.