First checkpoint

migrations/20260604134433_create_datasets_table.sql

@@ -0,0 +1,11 @@
+-- +goose Up
+CREATE TABLE datasets (
+    id UUID PRIMARY KEY default gen_random_uuid(),
+    name varchar(255),
+    description text,
+    created_at timestamp default now(),
+    updated_at timestamp default now()
+);
+
+-- +goose Down
+DROP TABLE datasets;

migrations/20260604141221_create_categories_table.sql

@@ -0,0 +1,12 @@
+-- +goose Up
+CREATE TABLE categories
+(
+    id          UUID PRIMARY KEY default gen_random_uuid(),
+    name        varchar(255),
+    description text,
+    created_at  timestamp        default now(),
+    updated_at  timestamp        default now()
+);
+
+-- +goose Down
+DROP TABLE categories;

migrations/20260604141656_create_files_table.sql

@@ -0,0 +1,22 @@
+-- +goose Up
+CREATE TYPE file_type AS ENUM ('vector_with_table', 'vector', 'raster');
+CREATE TYPE file_validation_status AS ENUM ('pending', 'valid', 'failed');
+
+CREATE TABLE files (
+    id                UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+    filename          VARCHAR(255) NOT NULL,
+    storage_key       TEXT NOT NULL,
+    file_type         file_type NOT NULL,
+    validation_status file_validation_status NOT NULL DEFAULT 'pending',
+    validation_error  TEXT,
+    kato_column       VARCHAR(255),
+    crs               VARCHAR(64),
+    feature_count     INTEGER,
+    uploaded_at       TIMESTAMP NOT NULL DEFAULT now(),
+    updated_at        TIMESTAMP NOT NULL DEFAULT now()
+);
+
+-- +goose Down
+DROP TABLE files;
+DROP TYPE file_validation_status;
+DROP TYPE file_type;