Initial public release

contracts/api/examples/area_create.geojson

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+{
+  "type": "Feature",
+  "properties": {"name": "Geel demo area"},
+  "geometry": {
+    "type": "Polygon",
+    "coordinates": [[[4.98,51.16],[4.99,51.16],[4.99,51.17],[4.98,51.17],[4.98,51.16]]]
+  }
+}

contracts/api/examples/error_feature_disabled.json

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+{
+  "error": {
+    "code": "FEATURE_DISABLED",
+    "message": "This feature is disabled in the current milestone.",
+    "details": {"feature": "LIDAR_LAB", "target_milestone": "V4"}
+  }
+}

contracts/api/examples/project_create.json

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+{
+  "name": "Geel Building QA Demo",
+  "description": "Detect buildings and compare against reference polygons.",
+  "region": "Kempen"
+}

contracts/api/examples/qaqc_result.json

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+{
+  "analysis_run_id": "demo-qaqc-run",
+  "metrics": {"precision": 0.92, "recall": 0.88, "f1": 0.90, "mean_iou": 0.71},
+  "counts": {"true_positive": 23, "false_positive": 2, "false_negative": 3},
+  "layers": {"matches": "exports/demo_matches.geojson", "false_positives": "exports/demo_fp.geojson", "false_negatives": "exports/demo_fn.geojson"}
+}

contracts/api/response-envelope.md

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+# API Response and Error Contract
+
+## Standard error
+
+All API errors must use:
+
+```json
+{
+  "error": {
+    "code": "STRING_CODE",
+    "message": "Human readable message.",
+    "details": {}
+  }
+}
+```
+
+## Job response
+
+Long-running operations return:
+
+```json
+{
+  "job_id": "uuid",
+  "analysis_run_id": "uuid",
+  "status": "queued",
+  "status_url": "/analysis-runs/{id}"
+}
+```
+
+## Resource metadata
+
+Resources should include:
+
+```json
+{
+  "id": "uuid",
+  "created_at": "ISO-8601",
+  "updated_at": "ISO-8601"
+}
+```
+
+## Pagination
+
+List endpoints use:
+
+```json
+{
+  "items": [],
+  "total": 0,
+  "limit": 50,
+  "offset": 0
+}
+```

contracts/database/domain-model.md

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+# Domain Model Contract
+
+## Core aggregates
+
+### Project
+A project is an investigation workspace. It contains areas, datasets, analyses, and exports.
+
+### Area
+A spatial polygon or selected administrative unit used to clip and analyze datasets.
+
+### Dataset
+A source artifact or external reference. Datasets can be raster, vector, reference, model output, mask, or export.
+
+### AnalysisRun
+A tracked execution of a pipeline such as detection, segmentation, QA, clipping, tiling, or index computation.
+
+### Detection
+A model-derived feature, usually a georeferenced bounding box or polygon.
+
+### Segmentation
+A mask-derived polygon or raster mask output.
+
+### QualityCheck
+A comparison between model outputs and reference data such as GRB.
+
+## Geometry rules
+
+- Use SRID 4326 for API-level GeoJSON interchange unless explicitly documented.
+- Use projected CRS for area/length calculations when required.
+- Store original CRS metadata for every dataset.
+- Never calculate area in degrees.

contracts/events/event-contracts.md

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+# Event Contracts
+
+GeoIntel uses events to document state transitions, even if V1 implements them as database records/log entries rather than a full event bus.
+
+## Event names
+
+- ProjectCreated
+- AreaCreated
+- DatasetUploaded
+- DatasetMetadataExtracted
+- RasterTiled
+- VectorImported
+- DetectionQueued
+- DetectionStarted
+- DetectionCompleted
+- DetectionFailed
+- SegmentationCompleted
+- QualityCheckCompleted
+- ExportGenerated
+
+## Event shape
+
+```json
+{
+  "event_id": "uuid",
+  "event_type": "DatasetUploaded",
+  "project_id": "uuid",
+  "dataset_id": "uuid",
+  "analysis_run_id": null,
+  "timestamp": "ISO-8601",
+  "payload": {}
+}
+```
+
+## Implementation rule
+
+Every long-running workflow must create at least one event at start and one at completion/failure.