fix(config): SimpleToml multi-line string arrays

The line-based parser treated 'conventions = [' as the complete value,
binding conventions to listOf("[") and dropping every entry on the
following lines. Accumulate value lines until the top-level bracket
closes (quote-aware), skipping comments inside the array.

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

@@ -17,8 +17,9 @@ internal object SimpleToml {
         val rootKeys = mutableMapOf<String, Any>()
         val sections = mutableMapOf<String, MutableMap<String, Any>>()
 
-        for (line in lines) {
-            val trimmed = line.trim()
+        var i = 0
+        while (i < lines.size) {
+            val trimmed = lines[i].trim()
             when {
                 trimmed.isEmpty() || trimmed.startsWith("#") -> Unit
                 trimmed.startsWith("[") && !trimmed.startsWith("[[") && trimmed.endsWith("]") -> {
@@ -29,7 +30,14 @@ internal object SimpleToml {
                     val eqIndex = trimmed.indexOf("=")
                     if (eqIndex > 0) {
                         val key = trimmed.substring(0, eqIndex).trim()
-                        val valueStr = trimmed.substring(eqIndex + 1).trim()
+                        var valueStr = trimmed.substring(eqIndex + 1).trim()
+                        // Multi-line array: accumulate lines until the top-level bracket closes.
+                        while (valueStr.startsWith("[") && !arrayClosed(valueStr) && i + 1 < lines.size) {
+                            i++
+                            val next = lines[i].trim()
+                            if (next.isEmpty() || next.startsWith("#")) continue
+                            valueStr += " $next"
+                        }
                         val parsed = parseSimpleValue(valueStr)
                         if (currentSection.isEmpty()) {
                             rootKeys[key] = parsed
@@ -39,10 +47,27 @@ internal object SimpleToml {
                     }
                 }
             }
+            i++
         }
         return Pair(rootKeys, sections)
     }
 
+    /** True when every `[` opened outside quotes has been balanced by a `]`. */
+    private fun arrayClosed(value: String): Boolean {
+        var depth = 0
+        var inQuotes = false
+        var quoteChar = ' '
+        for (ch in value) {
+            when {
+                (ch == '"' || ch == '\'') && !inQuotes -> { inQuotes = true; quoteChar = ch }
+                ch == quoteChar && inQuotes -> inQuotes = false
+                ch == '[' && !inQuotes -> depth++
+                ch == ']' && !inQuotes -> depth--
+            }
+        }
+        return depth <= 0
+    }
+
     fun asString(value: Any?, default: String = ""): String =
         if (value is String) value else default
 

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

@@ -38,6 +38,30 @@ class ProjectProfileLoaderTest {
         assertEquals(mapOf("build" to "./gradlew build", "test" to "./gradlew check"), p.commands)
     }
 
+    @Test
+    fun `multi-line conventions array parses all entries`() {
+        // Idiomatic TOML splits long string arrays across lines; the line-based parser used
+        // to swallow everything after the opening bracket (conventions became listOf("[")).
+        val root = tempRoot()
+        Files.writeString(
+            Paths.get(root, ".correx", "project.toml"),
+            """
+            about = "kernel"
+            conventions = [
+                "no bare try-catch",
+                # comment inside the array
+                "events are the only source of truth",
+            ]
+
+            [commands]
+            test = "./gradlew check"
+            """.trimIndent(),
+        )
+        val p = ProjectProfileLoader.load(root)
+        assertEquals(listOf("no bare try-catch", "events are the only source of truth"), p.conventions)
+        assertEquals(mapOf("test" to "./gradlew check"), p.commands)
+    }
+
     @Test
     fun `malformed file returns default without throwing`() {
         val root = tempRoot()