Add a CacheStore module.

libraries/cachestore/impl/build.gradle.kts

@@ -0,0 +1,48 @@
+import extension.setupDependencyInjection
+import extension.testCommonDependencies
+
+/*
+ * Copyright (c) 2026 Element Creations Ltd.
+ *
+ * SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Element-Commercial.
+ * Please see LICENSE files in the repository root for full details.
+ */
+plugins {
+    id("io.element.android-library")
+    alias(libs.plugins.sqldelight)
+}
+
+android {
+    namespace = "io.element.android.libraries.cachestore.impl"
+}
+
+setupDependencyInjection()
+
+dependencies {
+    implementation(projects.libraries.androidutils)
+    implementation(projects.libraries.core)
+    implementation(projects.libraries.encryptedDb)
+    api(projects.libraries.cachestore.api)
+    implementation(libs.sqldelight.driver.android)
+    implementation(libs.sqlcipher)
+    implementation(libs.sqlite)
+    implementation(projects.libraries.di)
+    implementation(libs.sqldelight.coroutines)
+
+    testCommonDependencies(libs)
+    testImplementation(libs.sqldelight.driver.jvm)
+}
+
+sqldelight {
+    databases {
+        create("CacheDatabase") {
+            // https://sqldelight.github.io/sqldelight/2.1.0/android_sqlite/migrations/
+            // To generate a .db file from your latest schema, run this task
+            // ./gradlew generateDebugCacheDatabaseSchema
+            // Test migration by running
+            // ./gradlew verifySqlDelightMigration
+            schemaOutputDirectory = File("src/main/sqldelight/databases")
+            verifyMigrations = true
+        }
+    }
+}