chore(examples): root-level workflow descriptions + curated .correx project profile

.correx/project.toml

@@ -0,0 +1,14 @@
+about = "CORREX — local-first, event-sourced orchestration kernel for LLM workflows. Kotlin 2.0 / JVM 21, Gradle multi-module, kotlinx.serialization, Ktor."
+
+conventions = [
+    "Event log is the only source of truth; projections are disposable and rebuilt from events",
+    "Dependency direction: apps -> core -> infrastructure; no cross-core imports",
+    "No bare try-catch; use runCatching and sealed domain error types",
+    "Every new EventPayload must be registered in the eventModule polymorphic block (Serialization.kt)",
+]
+
+[commands]
+test-all = "./gradlew check --rerun-tasks"
+test-module = "./gradlew :core:<module>:test --rerun-tasks"
+context-lookup = "python scripts/ctx.py <query>"
+epic-status = "bash scripts/epic-status.sh"