feat(config): [project] block for cross-session project memory

core/config/src/main/kotlin/com/correx/core/config/ConfigLoader.kt

@@ -413,6 +413,13 @@ object ConfigLoader {
             )
         }
 
+        val projectSection = sections["project"] ?: emptyMap()
+        val project = ProjectConfig(
+            enabled = asBoolean(projectSection["enabled"], false),
+            root = asString(projectSection["root"], ""),
+            memoryK = asInt(projectSection["memory_k"], 5),
+        )
+
         val modelsSettings = ModelsSettings(
             defaultModel = asStringOrNull(modelsSection["default_model"]),
             llamaServerBin = asString(modelsSection["llama_server_bin"], "llama-server"),
@@ -440,6 +447,7 @@ object ConfigLoader {
             models = models,
             modelsSettings = modelsSettings,
             artifacts = artifacts,
+            project = project,
         )
     }
 

core/config/src/main/kotlin/com/correx/core/config/CorrexConfig.kt

@@ -13,6 +13,19 @@ data class CorrexConfig(
     val models: List<ModelConfig> = emptyList(),
     val modelsSettings: ModelsSettings = ModelsSettings(),
     val artifacts: List<ArtifactKindConfig> = emptyList(),
+    val project: ProjectConfig = ProjectConfig(),
+)
+
+/**
+ * Project-scoped, cross-session memory. When [enabled], the decision journal is distilled
+ * to durable per-repo memory at session end and retrieved (top-[memoryK]) at session start.
+ * [root] is the repo root key; empty means the current working directory.
+ */
+@Serializable
+data class ProjectConfig(
+    val enabled: Boolean = false,
+    val root: String = "",
+    val memoryK: Int = 5,
 )
 
 /**

core/config/src/test/kotlin/com/correx/core/config/ConfigLoaderTest.kt

@@ -183,6 +183,42 @@ class ConfigLoaderTest {
         assertEquals("python3", result.tools.shellAllowedExecutables[2])
     }
 
+    @Test
+    fun `parseToml parses project block`() {
+        val toml = """
+            [project]
+            enabled = true
+            root = "/home/me/repo"
+            memory_k = 8
+        """.trimIndent()
+
+        val loader = ConfigLoader::class.java
+        val parseTomlMethod = loader.getDeclaredMethod("parseToml", String::class.java)
+        parseTomlMethod.isAccessible = true
+        val result = parseTomlMethod.invoke(ConfigLoader, toml) as CorrexConfig
+
+        assertEquals(true, result.project.enabled)
+        assertEquals("/home/me/repo", result.project.root)
+        assertEquals(8, result.project.memoryK)
+    }
+
+    @Test
+    fun `parseToml project defaults when block absent`() {
+        val toml = """
+            [server]
+            host = "localhost"
+        """.trimIndent()
+
+        val loader = ConfigLoader::class.java
+        val parseTomlMethod = loader.getDeclaredMethod("parseToml", String::class.java)
+        parseTomlMethod.isAccessible = true
+        val result = parseTomlMethod.invoke(ConfigLoader, toml) as CorrexConfig
+
+        assertEquals(false, result.project.enabled)
+        assertEquals("", result.project.root)
+        assertEquals(5, result.project.memoryK)
+    }
+
     @Test
     fun `parseToml parses JSON array shell_allowed_executables`() {
         val toml = """