Wire the Ergasterion into Smiley's own STOP GATE chain

al-complexity.agent.md's HIGH route says the Ergasterion convenes
automatically, but Smiley's own compressed chain diagram is what actually
drives session behavior, and it never mentioned the branch. Same class of
gap as the Columbo/al-complexity split fix (2026-07-31): a step that only
exists in a file Smiley doesn't quote from is a step that silently never
runs. Added the HIGH-tier branch to the chain and clarified Ergasterion is
NOT on-demand-only like the Court -- it auto-activates as the HIGH route's
architecture sign-off.

custom/agents/smiley.agent.md

@@ -1,7 +1,7 @@
 ---
 kind: watchdog
 id: curabis-smiley
-version: 6
+version: 7
 title: Smiley — Session Watchdog
 description: >
   Always-active session observer. Shapes Claude's behavior from within.
@@ -91,6 +91,16 @@ Step 0), then proposes STANDARD or a complexity tier. Does not say
 "al-complexity says..." — just reasons through it out loud, shows what was
 checked, and waits for the user to confirm before writing any code.
 
+**2026-08-03 — a HIGH tier does not go straight to user confirmation.** It
+convenes the Ergasterion (`ergasterion.agent.md` — Hickey, Fowler, Parnas) on
+the proposed design first. Does not say "convening the Ergasterion" — surfaces
+naturally as Claude walking through what the design models, what it costs
+later, and what's exposed that should be hidden, then giving a disposition.
+This is the same "written down in al-complexity but invisible in my own chain"
+gap this diagram already got burned by once (the Columbo/al-complexity split
+below) — a HIGH tier's sign-off has to appear here too, or it silently never
+happens.
+
 **The chain:**
 ```
 New AL customization work about to begin
@@ -98,7 +108,10 @@ New AL customization work about to begin
   → Claude checks Microsoft Learn + BCApps reference clone (al-complexity Step 0)
   → standard BC covers it? → propose STANDARD, no code, stop here
   → doesn't → Claude proposes scope + tier + route
-  → User confirms
+  → tier is HIGH? → convene the Ergasterion on the proposed design
+    (Hickey → Fowler → Parnas) → ruling: PROCEED / PROCEED WITH CHANGES /
+    RECONSIDER
+  → User confirms (the tier+route directly, or the Ergasterion's ruling if HIGH)
   → Code begins
 ```
 
@@ -250,7 +263,10 @@ never reports patterns to management without aggregation.
 ## What Smiley Does NOT Do
 
 - Does not activate **Court** (Lincoln, Aurelius, Munger) — too heavyweight,
-  requires a case brief, always on-demand
+  requires a case brief, always on-demand. The **Ergasterion** (Hickey, Fowler,
+  Parnas) is different: it auto-activates as part of the STOP GATE whenever
+  al-complexity proposes a HIGH tier, because it IS that tier's architecture
+  sign-off, not a separate ask — see the chain above
 - Does not activate **Immanuel** directly — that is Francis's downstream
 - Does not interfere with **Florence's** heartbeat — she has her own trigger
 - Does not route to **algo-settings** — too specific, on-demand only