docs(06): create phase plan

.planning/STATE.md

@@ -2,7 +2,7 @@
 gsd_state_version: 1.0
 milestone: v1.1
 milestone_name: WXRead 深化对齐
-status: planning
+status: ready_to_execute
 last_updated: "2026-05-22T05:54:18.839Z"
 last_activity: 2026-05-22
 progress:
@@ -23,7 +23,7 @@ progress:
 参见：`.planning/PROJECT.md`（更新于 2026-05-22）
 
 **核心价值：** 稳定可用的 EPUB/TXT 阅读体验  
-**当前关注：** `v1.1` 已初始化，下一步进入 Phase 6 讨论与规划
+**当前关注：** `v1.1` 已完成 Phase 6 规划，下一步进入执行
 
 ## 当前结论（摘要）
 
@@ -58,6 +58,6 @@ progress:
 ## Current Position
 
 Phase: 6
-Plan: —
-Status: Ready for discuss-phase
-Last activity: 2026-05-22 — Milestone v1.1 requirements and roadmap created
+Plan: 06-01 / 06-02 / 06-03
+Status: Ready for execute-phase
+Last activity: 2026-05-22 — Phase 6 context, research, validation, and plans created