docs(11-01): complete stealth fingerprint masking plan

- Created 11-01-SUMMARY.md with execution results
- Updated STATE.md: Plan 1/2 complete, 50% progress
- Updated ROADMAP.md: 11-01 marked complete
- Updated REQUIREMENTS.md: STEALTH-01 to STEALTH-04 complete

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

.planning/STATE.md

@@ -10,8 +10,8 @@ progress:
   total_phases: 1
   completed_phases: 0
   total_plans: 2
-  completed_plans: 0
-  percent: 0
+  completed_plans: 1
+  percent: 50
 ---
 
 # Project State
@@ -26,11 +26,11 @@ See: .planning/PROJECT.md (updated 2026-03-18)
 ## Current Position
 
 Phase: 1 of 1 (Phase 11: Stealth Fingerprinting)
-Plan: 0 of 2
-Status: Ready to plan
-Last activity: 2026-03-18 — Roadmap created for v1.4
+Plan: 1 of 2
+Status: In progress
+Last activity: 2026-03-18 — Completed 11-01 stealth module
 
-Progress: [░░░░░░░░░░] 0%
+Progress: [█████░░░░░] 50%
 
 ## Performance Metrics
 
@@ -42,6 +42,7 @@ Progress: [░░░░░░░░░░] 0%
 
 | Plan | Duration | Tasks | Files | Date |
 |------|----------|-------|-------|------|
+| 11-01 | 3min | 2 | 4 | 2026-03-18 |
 | 10-01 | 3min | 2 | 2 | 2026-03-18 |
 | 10-02 | 4min | 2 | 2 | 2026-03-18 |
 
@@ -69,6 +70,11 @@ v1.4 scope:
 - 使用最小改动（指纹伪装）先验证效果
 - 行为伪装（鼠标轨迹等）暂不实现，如需要再加
 
+v1.4 Phase 11 decisions:
+- 使用 playwright-stealth 库进行指纹伪装
+- Pydantic BaseModel 配置模型
+- 分离 sync/async 函数匹配 Playwright API 模式
+
 ### Blockers/Concerns
 
 None.
@@ -76,7 +82,7 @@ None.
 ## Session Continuity
 
 Last session: 2026-03-18
-Stopped at: Roadmap created for v1.4
+Stopped at: Completed 11-01 stealth module
 Resume file: None
 
-**Next step:** Run `/gsd:plan-phase 11` to create first plan
+**Next step:** Run `/gsd:execute-phase 11` to continue with plan 11-02