1 files changed, 54 insertions, 0 deletions
diff --git a/_selfcheck.lua b/_selfcheck.lua
index fa6a0e2..6cc3e4a 100644
--- a/_selfcheck.lua
+++ b/_selfcheck.lua
@@ -173,6 +173,60 @@ local entry = assert(loadfile(here .. "/init.lua"))()
 assert(type(entry) == "table" and entry.name == "warming" and type(entry.activate) == "function",
     "init.lua returns the warming entry")
 
+-- Activation binds lifecycle timing to session_ready and the banner to the
+-- render boundary; neither handler is the old session_start event.
+do
+    local handlers = {}
+    local previous_panto = package.loaded.panto
+    local previous_luv = package.loaded.luv
+    local previous_config = package.loaded["warming.config"]
+    local previous_policy = package.loaded["warming.policy"]
+    local previous_warm = package.loaded["warming.warm"]
+    package.loaded["warming.config"] = {
+        default_io = function() return {} end,
+        read = function() return { enabled = true, interval_ms = MIN, duration_ms = MIN, prompt = "OK" } end,
+    }
+    package.loaded["warming.policy"] = {
+        new = function()
+            return {
+                activity = function(self, now) self.activity_at = now end,
+                turn_started = function() end, turn_ended = function() end,
+                expired = function() return false end, due = function() return false end,
+                attempted = function() end,
+            }
+        end,
+    }
+    package.loaded["warming.warm"] = { start = function() end, poll = function() end, abandon = function() end }
+    package.loaded.panto = { agent = function() end, ext = {
+        on = function(name, handler) handlers[name] = handler end,
+        resolve_model = function() end,
+        style = function() return { dim = "", reset = "" } end,
+    } }
+    package.loaded.luv = {
+        now = function() return 123 end,
+        new_timer = function()
+            return { start = function(self) self.active = true end, is_active = function(self) return self.active end,
+                is_closing = function() return false end, stop = function(self) self.active = false end,
+                close = function() end }
+        end,
+    }
+    local active_entry = assert(loadfile(here .. "/init.lua"))()
+    active_entry.activate()
+    assert(handlers.render_header and handlers.session_ready, "new event subscriptions are installed")
+    assert(handlers.session_start == nil, "old session_start subscription is absent")
+    handlers.session_ready()
+    local inner = { render = function() return { "header" } end }
+    local event = { get_component = function() return inner end }
+    event.set_component = function(_, component) event.component = component end
+    handlers.render_header(event)
+    assert(event.component and event.component:render(80)[1] == "header", "render_header wraps the banner")
+    package.loaded.panto = previous_panto
+    package.loaded.luv = previous_luv
+    package.loaded["warming.config"] = previous_config
+    package.loaded["warming.policy"] = previous_policy
+    package.loaded["warming.warm"] = previous_warm
+end
+
 -- ---------------------------------------------------------------------------
 -- Tool-schema fidelity probe (report-only)
 --