diff --git a/CLAUDE.md b/CLAUDE.md
index 6298847..a778f70 100644
--- a/CLAUDE.md
+++ b/CLAUDE.md
@@ -234,7 +234,7 @@ A checkpoint includes:
 
 | Phase | Branch | Focus | Status |
 |-------|--------|-------|--------|
-| 1 | `phase-1/core-framework` | FastAPI + LangGraph + React chat loop + PostgresSaver | IN PROGRESS |
+| 1 | `phase-1/core-framework` | FastAPI + LangGraph + React chat loop + PostgresSaver | COMPLETED (2026-03-30) |
 | 2 | `phase-2/multi-agent-safety` | Supervisor routing + interrupts + templates | NOT STARTED |
 | 3 | `phase-3/openapi-discovery` | OpenAPI parsing + MCP generation + SSRF protection | NOT STARTED |
 | 4 | `phase-4/analytics-replay` | Replay API + analytics dashboard | NOT STARTED |
diff --git a/docs/phases/phase-1-dev-log.md b/docs/phases/phase-1-dev-log.md
index 32b1838..d6fec54 100644
--- a/docs/phases/phase-1-dev-log.md
+++ b/docs/phases/phase-1-dev-log.md
@@ -1,9 +1,9 @@
 # Phase 1: Core Framework -- Development Log
 
-> Status: IN PROGRESS
+> Status: COMPLETED
 > Phase branch: `phase-1/core-framework`
 > Date started: 2026-03-30
-> Date completed: --
+> Date completed: 2026-03-30
 > Related plan section: [Phase 1 in DEVELOPMENT-PLAN](../DEVELOPMENT-PLAN.md#phase-1-核心框架-第-1-3-周)
 
 ## What Was Built