feat(config): ProjectProfile — per-repo standing context at .correx/project.toml

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

@@ -4,24 +4,14 @@ import java.nio.file.Files
 import java.nio.file.Path
 import java.nio.file.Paths
 
-object ProfileLoader {
-    fun profilePath(homeDir: String = System.getProperty("user.home")): Path =
-        Paths.get(homeDir, ".config", "correx", "profile.toml")
-
-    fun load(homeDir: String = System.getProperty("user.home")): OperatorProfile {
-        val path = profilePath(homeDir)
-        if (!Files.exists(path)) return OperatorProfile()
-
-        return runCatching {
-            val content = Files.readString(path)
-            parseProfile(content)
-        }.getOrElse { e ->
-            System.err.println("Warning: Failed to parse profile at $path: ${e.message}")
-            OperatorProfile()
-        }
-    }
-
-    private fun parseProfile(content: String): OperatorProfile {
+/**
+ * Minimal hand-rolled TOML parser shared by [ProfileLoader] and [ProjectProfileLoader].
+ * Handles root key-value pairs, `[section]` tables, string arrays, booleans, and numbers.
+ * Does NOT handle array-of-tables (`[[…]]`) — use [ConfigLoader] for those.
+ */
+internal object SimpleToml {
+    /** Returns (rootKeys, sections) from a simple TOML string. */
+    fun parse(content: String): Pair<Map<String, Any>, Map<String, Map<String, Any>>> {
         val lines = content.trim().split("\n")
         var currentSection = ""
         val rootKeys = mutableMapOf<String, Any>()
@@ -50,18 +40,16 @@ object ProfileLoader {
                 }
             }
         }
+        return Pair(rootKeys, sections)
+    }
 
-        val prefsSection = sections["preferences"] ?: emptyMap()
-        val preferences = ProfilePreferences(
-            approvalMode = asString(prefsSection["approval_mode"], ""),
-            preferredModels = asStringList(prefsSection["preferred_models"]),
-            conventions = asStringList(prefsSection["conventions"]),
-        )
+    fun asString(value: Any?, default: String = ""): String =
+        if (value is String) value else default
 
-        return OperatorProfile(
-            about = asString(rootKeys["about"], ""),
-            preferences = preferences,
-        )
+    fun asStringList(value: Any?): List<String> = when (value) {
+        is List<*> -> value.filterIsInstance<String>()
+        is String -> listOf(value)
+        else -> emptyList()
     }
 
     private fun parseSimpleValue(valueStr: String): Any = when {
@@ -96,14 +84,37 @@ object ProfileLoader {
         val isSingleQuoted = value.startsWith("'") && value.endsWith("'")
         return if (isDoubleQuoted || isSingleQuoted) value.substring(1, value.length - 1) else value
     }
+}
 
-    private fun asString(value: Any?, default: String = ""): String =
-        if (value is String) value else default
+object ProfileLoader {
+    fun profilePath(homeDir: String = System.getProperty("user.home")): Path =
+        Paths.get(homeDir, ".config", "correx", "profile.toml")
 
-    private fun asStringList(value: Any?): List<String> = when (value) {
-        is List<*> -> value.filterIsInstance<String>()
-        is String -> listOf(value)
-        else -> emptyList()
+    fun load(homeDir: String = System.getProperty("user.home")): OperatorProfile {
+        val path = profilePath(homeDir)
+        if (!Files.exists(path)) return OperatorProfile()
+
+        return runCatching {
+            val content = Files.readString(path)
+            parseProfile(content)
+        }.getOrElse { e ->
+            System.err.println("Warning: Failed to parse profile at $path: ${e.message}")
+            OperatorProfile()
+        }
+    }
+
+    private fun parseProfile(content: String): OperatorProfile {
+        val (rootKeys, sections) = SimpleToml.parse(content)
+        val prefsSection = sections["preferences"] ?: emptyMap()
+        val preferences = ProfilePreferences(
+            approvalMode = SimpleToml.asString(prefsSection["approval_mode"], ""),
+            preferredModels = SimpleToml.asStringList(prefsSection["preferred_models"]),
+            conventions = SimpleToml.asStringList(prefsSection["conventions"]),
+        )
+        return OperatorProfile(
+            about = SimpleToml.asString(rootKeys["about"], ""),
+            preferences = preferences,
+        )
     }
 }
 

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

@@ -0,0 +1,18 @@
+package com.correx.core.config
+
+import kotlinx.serialization.Serializable
+
+/**
+ * Curated per-repo standing context, authored by the operator at
+ * `<workspaceRoot>/.correx/project.toml`. Unlike distilled project memory (reactive,
+ * derived from decision journals), this is the deliberate "how to work in this repo"
+ * card: injected as L0 for every stage of every session bound to the workspace.
+ */
+@Serializable
+data class ProjectProfile(
+    val about: String = "",
+    val conventions: List<String> = emptyList(),
+    val commands: Map<String, String> = emptyMap(),
+) {
+    fun isEmpty(): Boolean = about.isBlank() && conventions.isEmpty() && commands.isEmpty()
+}

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

@@ -0,0 +1,29 @@
+package com.correx.core.config
+
+import java.nio.file.Files
+import java.nio.file.Path
+import java.nio.file.Paths
+
+object ProjectProfileLoader {
+    fun profilePath(workspaceRoot: String): Path =
+        Paths.get(workspaceRoot, ".correx", "project.toml")
+
+    fun load(workspaceRoot: String): ProjectProfile {
+        val path = profilePath(workspaceRoot)
+        if (!Files.exists(path)) return ProjectProfile()
+        return runCatching { parse(Files.readString(path)) }.getOrElse { e ->
+            System.err.println("Warning: Failed to parse project profile at $path: ${e.message}")
+            ProjectProfile()
+        }
+    }
+
+    private fun parse(content: String): ProjectProfile {
+        val (rootKeys, sections) = SimpleToml.parse(content)
+        val commandsSection = sections["commands"] ?: emptyMap()
+        return ProjectProfile(
+            about = SimpleToml.asString(rootKeys["about"], ""),
+            conventions = SimpleToml.asStringList(rootKeys["conventions"]),
+            commands = commandsSection.mapValues { (_, v) -> v.toString() },
+        )
+    }
+}

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

@@ -0,0 +1,47 @@
+package com.correx.core.config
+
+import org.junit.jupiter.api.Assertions.assertEquals
+import org.junit.jupiter.api.Test
+import java.nio.file.Files
+import java.nio.file.Paths
+
+class ProjectProfileLoaderTest {
+
+    private fun tempRoot(): String {
+        val dir = Files.createTempDirectory("correx-project-profile-test")
+        Files.createDirectories(dir.resolve(".correx"))
+        return dir.toString()
+    }
+
+    @Test
+    fun `missing file returns default ProjectProfile`() {
+        assertEquals(ProjectProfile(), ProjectProfileLoader.load(tempRoot()))
+    }
+
+    @Test
+    fun `full file populates about conventions and commands`() {
+        val root = tempRoot()
+        Files.writeString(
+            Paths.get(root, ".correx", "project.toml"),
+            """
+            about = "Event-sourced orchestration kernel, Kotlin/JVM 21"
+            conventions = ["no bare try-catch", "events are the only source of truth"]
+
+            [commands]
+            build = "./gradlew build"
+            test = "./gradlew check"
+            """.trimIndent(),
+        )
+        val p = ProjectProfileLoader.load(root)
+        assertEquals("Event-sourced orchestration kernel, Kotlin/JVM 21", p.about)
+        assertEquals(listOf("no bare try-catch", "events are the only source of truth"), p.conventions)
+        assertEquals(mapOf("build" to "./gradlew build", "test" to "./gradlew check"), p.commands)
+    }
+
+    @Test
+    fun `malformed file returns default without throwing`() {
+        val root = tempRoot()
+        Files.writeString(Paths.get(root, ".correx", "project.toml"), "[[[not toml")
+        assertEquals(ProjectProfile(), ProjectProfileLoader.load(root))
+    }
+}