feat(server,kernel): bind ProjectProfile per session and inject as L0 context

testing/kernel/src/test/kotlin/ContextFeedbackTest.kt

@@ -0,0 +1,41 @@
+import com.correx.core.context.model.ContextLayer
+import com.correx.core.context.model.EntryRole
+import com.correx.core.kernel.orchestration.buildProjectProfileEntry
+import com.correx.core.sessions.BoundProjectProfile
+import org.junit.jupiter.api.Assertions.assertEquals
+import org.junit.jupiter.api.Assertions.assertTrue
+import org.junit.jupiter.api.Test
+
+class ContextFeedbackTest {
+
+    @Test
+    fun `project profile renders as single L0 entry`() {
+        val entry = buildProjectProfileEntry(
+            BoundProjectProfile(
+                about = "Event-sourced kernel",
+                conventions = listOf("no bare try-catch"),
+                commands = mapOf("test" to "./gradlew check"),
+            ),
+        )
+        assertEquals(ContextLayer.L0, entry.layer)
+        assertEquals(EntryRole.SYSTEM, entry.role)
+        assertTrue(entry.content.startsWith("## Project profile"), "content: ${entry.content}")
+        assertTrue(entry.content.contains("- no bare try-catch"), "content: ${entry.content}")
+        assertTrue(entry.content.contains("test: ./gradlew check"), "content: ${entry.content}")
+    }
+
+    @Test
+    fun `project profile with only about renders without conventions or commands sections`() {
+        val entry = buildProjectProfileEntry(
+            BoundProjectProfile(
+                about = "Simple project",
+                conventions = emptyList(),
+                commands = emptyMap(),
+            ),
+        )
+        assertTrue(entry.content.contains("Simple project"), "content: ${entry.content}")
+        assertTrue(!entry.content.contains("### Conventions"), "should not contain Conventions: ${entry.content}")
+        assertTrue(!entry.content.contains("### Commands"), "should not contain Commands: ${entry.content}")
+        assertEquals("projectProfile", entry.sourceType)
+    }
+}