diff --git a/.planning/PROJECT.md b/.planning/PROJECT.md
index b29bbdf..2004abd 100644
--- a/.planning/PROJECT.md
+++ b/.planning/PROJECT.md
@@ -90,5 +90,9 @@ This document evolves at phase transitions and milestone boundaries.
 3. Audit Out of Scope — reasons still valid?
 4. Update Context with current state
 
+## Phase History
+
+- **Phase 1: Foundation** — Completed 2026-05-14. Fresh `backend/` Go package boots a web server, renders an HTMX-driven base layout, connects to local Postgres with goose migrations. FOUND-01..FOUND-05 satisfied; user-approved manual walkthrough. Two inline justfile/tailwind fixes during UAT (commit `fix(01): guard sqlc on empty queries and correct tailwind paths`).
+
 ---
-*Last updated: 2026-05-14 after initialization*
+*Last updated: 2026-05-14 after Phase 1 completion*