Split compose into base + dev overlay for a local two-container stack

.run/DevEnvironment.run.xml

@@ -0,0 +1,32 @@
+<component name="ProjectRunConfigurationManager">
+  <configuration default="false" name="DevEnvironment" type="docker-deploy" factoryName="docker-compose.yml" server-name="Docker">
+    <deployment type="docker-compose.yml">
+      <settings>
+        <option name="envFilePath" value="" />
+        <option name="envFilePaths">
+          <list>
+            <option value="" />
+          </list>
+        </option>
+        <option name="commandLineOptions" value="--build" />
+        <!-- Base compose (loaded first); the dev overlay in sourceFilePath wins. -->
+        <option name="secondarySourceFiles">
+          <list>
+            <option value="$PROJECT_DIR$/compose.yaml" />
+          </list>
+        </option>
+        <option name="services">
+          <list>
+            <option value="eb-pocketbase" />
+            <option value="eb-web" />
+          </list>
+        </option>
+        <!-- Dev overlay (primary = last applied): host ports + local web build. -->
+        <option name="sourceFilePath" value="$PROJECT_DIR$/compose.dev.yaml" />
+        <option name="upForceRecreate" value="true" />
+      </settings>
+    </deployment>
+    <EXTENSION ID="com.jetbrains.rider.docker.debug" isFastModeEnabled="true" isSslEnabled="false" />
+    <method v="2" />
+  </configuration>
+</component>