Architecture reframe: rename triad/Stoa/Logos/Agora → Passepartout

- Renamed ideas/stoa/ → ideas/passepartout/, all stage files prefixed passepartout-
- Renamed triad-index/overview/systemic-effects → passepartout-* under passepartout/
- Renamed ideas/agora/ → ideas/passepartout-social-protocol/, stripped agora- prefixes
- Merged overview and environment pages into architecture; deleted 3 redundant files
- Renamed growth-strategy → enterprise-growth-strategy
- Renamed alternative-growth-social-first → social-growth-strategy
- Removed all Greek names: Stoa, Logos, Agora as product names
- Updated 50+ files of cross-references to new naming
- Kept org-id UUIDs intact throughout

ideas/domain-gate-packages.org

@@ -15,4 +15,4 @@ Pre-verified [[id:45ea493b-94ad-5885-aa65-0c846e5c3c1d][gate rule]] packages for
 
 Switching costs are high — changing packages means re-verifying the fact store against new rules. The [[id:2f783eb4-638e-5afa-9b59-6224d086a712][infrastructure lock-in]] compounds: a hospital at $250K/yr in year one grows to $500K-$1M by year five as more packages are added and the fact store becomes more valuable than the software itself.
 
-20 subscriptions in year one = $1M-$5M. These Each gate package wraps the Agora [[id:f6cfc54b-919b-4311-bcbf-65e976755d40][Note primitive]] into a domain-specific authorization boundary. These packages are verified using the [[id:84a537b4-4256-50c8-91f5-dd5b4538418f][verification appliance]] and scored by the [[id:45258a2d-1675-562c-9024-5d1eb2f1ea56][evaluation harness]].
+20 subscriptions in year one = $1M-$5M. These Each gate package wraps the social protocol [[id:f6cfc54b-919b-4311-bcbf-65e976755d40][Note primitive]] into a domain-specific authorization boundary. These packages are verified using the [[id:84a537b4-4256-50c8-91f5-dd5b4538418f][verification appliance]] and scored by the [[id:45258a2d-1675-562c-9024-5d1eb2f1ea56][evaluation harness]].