Initial GeoIntel V1 foundation

docs/CODEX_MASTER_PROMPT.md

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+# Codex Master Prompt — GeoIntel Kempen
+
+You are working inside the GeoIntel Kempen repository.
+
+GeoIntel Kempen is a GeoAI Workbench for the Belgian Kempen. It is not a generic GIS viewer and not a policy dashboard. The core value is turning raster data, vector data and AI outputs into geospatially correct layers, metrics, QA findings and exports.
+
+## Mandatory reading before coding
+Read these documents first:
+- README.md
+- docs/SPECIFICATION_FREEZE_M0.md
+- docs/V1_SCOPE_FREEZE.md
+- docs/DATASET_STRATEGY.md
+- docs/SERVICE_ARCHITECTURE.md
+- docs/REPOSITORY_CONVENTIONS.md
+- docs/CODEX_EXECUTION_PLAN.md
+- docs/ACCEPTANCE_CRITERIA.md
+- docs/FIXTURE_STRATEGY.md
+
+## Main build target
+Build toward Demo 1:
+Building detection on imagery, conversion to geospatial detection outputs, QA/QC against GRB or a local reference building fixture, and GeoJSON export.
+
+## Development rules
+- Backend-first.
+- Service boundaries must be respected.
+- No placeholder-only pages.
+- No fake success responses without persisted data.
+- No unrelated features.
+- No auth/multi-user/payment.
+- No heavy LiDAR/MLOps/training studio in V1.
+- Never calculate metric area/length directly in EPSG:4326.
+- Always preserve CRS and source metadata.
+- Mock/development providers are allowed only if isolated and clearly named.
+
+## Implementation order
+Follow docs/CODEX_EXECUTION_PLAN.md pass by pass. Do not skip ahead to UI polish.
+
+## Handoff requirements after each pass
+Update docs/CODEX_EXECUTION_LOG.md with:
+- completed items;
+- files changed;
+- tests run;
+- known limitations;
+- next recommended pass.
+
+Also update docs/TODO.md where relevant.
+
+## Final response format after a build pass
+Return:
+1. Summary of completed work.
+2. Tests/build checks run.
+3. Known limitations.
+4. Next recommended pass.
+5. Whether the build meets the acceptance criteria for the current milestone.