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.scratch/distributed-gguf-runtime/issues/01-route-session-lifecycle.md

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+# 01 — Route Session lifecycle
+
+Status: ready-for-agent
+
+## What to build
+
+Add the narrowest end-to-end Route Session lifecycle that can be used by distributed inference routes: create a session, bind it to a selected Inference Route, expose status, and close it cleanly. This slice does not need real model cache yet; it proves stable session identity across the control plane and activation plane.
+
+## Acceptance criteria
+
+- [ ] A request can create a Route Session with a stable `session_id`, `route_id`, model preset, backend id, and route membership.
+- [ ] Every downstream activation request carries the same session identity and fails clearly if the session or route id does not match.
+- [ ] Session status reports phase, route nodes, model preset, backend id, created time, and last activity time.
+- [ ] Closing a session releases all registered per-session state.
+- [ ] Tests cover create, status, close, stale-session rejection, and wrong-route rejection.
+
+## Blocked by
+
+None - can start immediately.