phase 0.3

sqlc.yaml

@@ -0,0 +1,43 @@
+version: "2"
+sql:
+  - engine: "mysql"
+    schema: "sql/schema.sql"
+    queries: "sql/queries.sql"
+    gen:
+      go:
+        package: "db"
+        out: "internal/db"
+        sql_package: "database/sql"
+
+        # Emit a Querier interface so you can mock the DB layer in tests
+        emit_interface: true
+
+        # Emit empty slices instead of nil for :many queries
+        emit_empty_slices: true
+
+        # Add JSON tags to generated structs (useful for debugging / logging)
+        emit_json_tags: true
+
+        # Keep struct names singular (airport not airports)
+        emit_exact_table_names: false
+
+        # Expose the raw SQL strings (handy for logging slow queries)
+        emit_exported_queries: true
+
+        # Override specific MySQL → Go type mappings
+        overrides:
+          # BIGINT UNSIGNED → uint64  (cash, experience_points)
+          - db_type: "bigint unsigned"
+            go_type: "uint64"
+
+          # INT UNSIGNED → uint32  (most IDs and resource fields)
+          - db_type: "int unsigned"
+            go_type: "uint32"
+
+          # SMALLINT UNSIGNED → uint16  (country / product IDs)
+          - db_type: "smallint unsigned"
+            go_type: "uint16"
+
+          # TINYINT UNSIGNED → uint8  (upgrade_tier)
+          - db_type: "tinyint unsigned"
+            go_type: "uint8"