docs(01-01): complete Mill Build and ZIO HTTP Server plan

Tasks completed: 3/3
- Create Mill build configuration
- Create project structure and configuration
- Create HTTP routes and Main entry point

SUMMARY: .planning/phases/01-foundation/01-01-SUMMARY.md

.planning/STATE.md

@@ -10,28 +10,28 @@ See: .planning/PROJECT.md (updated 2026-02-04)
 ## Current Position
 
 Phase: 1 of 10 (Foundation)
-Plan: 0 of 3 in current phase
-Status: Ready to plan
-Last activity: 2026-02-04 - Roadmap created
+Plan: 1 of 3 in current phase
+Status: In progress
+Last activity: 2026-02-04 - Completed 01-01-PLAN.md
 
-Progress: [..........] 0%
+Progress: [#.........] 3% (1/29 plans)
 
 ## Performance Metrics
 
 **Velocity:**
-- Total plans completed: 0
-- Average duration: -
-- Total execution time: 0 hours
+- Total plans completed: 1
+- Average duration: 39 min
+- Total execution time: 0.65 hours
 
 **By Phase:**
 
 | Phase | Plans | Total | Avg/Plan |
 |-------|-------|-------|----------|
-| - | - | - | - |
+| 01 | 1 | 39min | 39min |
 
 **Recent Trend:**
-- Last 5 plans: -
-- Trend: -
+- Last 5 plans: 01-01 (39min)
+- Trend: Baseline established
 
 *Updated after each plan completion*
 
@@ -45,6 +45,8 @@ Recent decisions affecting current work:
 - [Roadmap]: Comprehensive depth selected (10 phases, 29 plans)
 - [Roadmap]: Plugin System identified as architectural bottleneck - Phase 2
 - [Research]: Quill for database (compile-time SQL validation), ScalaTags + HTMX for frontend
+- [01-01]: Mill 1.1.1 required for Java 25 compatibility (ASM class file version 69)
+- [01-01]: Use _root_.config import to avoid zio.config shadowing
 
 ### Pending Todos
 
@@ -58,5 +60,5 @@ None yet.
 ## Session Continuity
 
 Last session: 2026-02-04
-Stopped at: Roadmap created with 10 phases and 43 requirements mapped
+Stopped at: Completed 01-01-PLAN.md (Mill Build and ZIO HTTP Server)
 Resume file: None