feat: complete governed Walloon coverage sources

backend/app/core/config.py

@@ -160,6 +160,14 @@ class Settings(BaseSettings):
         ),
         validation_alias="SPW_PICC_MAPSERVER_URL",
     )
+    spw_flood_hazard_enabled: bool = Field(default=True, validation_alias="SPW_FLOOD_HAZARD_ENABLED")
+    spw_flood_hazard_mapserver_url: str = Field(
+        default=(
+            "https://geoservices.wallonie.be/arcgis/rest/services/"
+            "EAU/ALEA_INOND/MapServer"
+        ),
+        validation_alias="SPW_FLOOD_HAZARD_MAPSERVER_URL",
+    )
     urbis_enabled: bool = Field(default=True, validation_alias="URBIS_ENABLED")
     urbis_wfs_url: str = Field(
         default="https://geoservices-vector.irisnet.be/geoserver/urbisvector/ows",
@@ -273,6 +281,19 @@ class Settings(BaseSettings):
     thematic_raster_max_pixels: int = Field(default=30_000_000, ge=1, validation_alias="THEMATIC_RASTER_MAX_PIXELS")
     thematic_raster_timeout_seconds: int = Field(default=300, ge=1, validation_alias="THEMATIC_RASTER_TIMEOUT_SECONDS")
     thematic_raster_max_response_mb: int = Field(default=160, ge=1, validation_alias="THEMATIC_RASTER_MAX_RESPONSE_MB")
+    walous_enabled: bool = Field(default=True, validation_alias="WALOUS_ENABLED")
+    walous_source_dir: str = Field(
+        default="/app/storage/source-cache/walous",
+        validation_alias="WALOUS_SOURCE_DIR",
+    )
+    walous_analysis_resolution_m: float = Field(
+        default=10.0,
+        ge=1.0,
+        le=100.0,
+        validation_alias="WALOUS_ANALYSIS_RESOLUTION_M",
+    )
+    walous_max_side_m: float = Field(default=60_000.0, gt=0, validation_alias="WALOUS_MAX_SIDE_M")
+    walous_max_pixels: int = Field(default=36_000_000, ge=1, validation_alias="WALOUS_MAX_PIXELS")
     redis_url: str | None = Field(default=None, validation_alias="REDIS_URL")
     log_level: str = Field(default="INFO", validation_alias="GEOINTEL_LOG_LEVEL")
     sql_log_level: str = Field(default="WARNING", validation_alias="GEOINTEL_SQL_LOG_LEVEL")