diff --git a/.planning/PROJECT.md b/.planning/PROJECT.md
index 6582f8a..61cdccd 100644
--- a/.planning/PROJECT.md
+++ b/.planning/PROJECT.md
@@ -1,16 +1,15 @@
 # kb-skills 工作流重构
 
-## Current Milestone: v1.2 Zhihu Crawler
+## Current Milestone: v1.3 Anti-Crawler Optimization
 
-**Goal:** 构建可靠的知乎内容爬取体系 — 解决 Cookie 过期问题，支持自动登录维持
+**Goal:** 增强爬虫反检测能力，降低被封风险，提升爬取稳定性
 
 **Target features:**
-- 二维码扫码登录 + 手动 Cookie 降级
-- Cookie 持久化存储
-- 问答/专栏/文章内容爬取
-- 评论爬取支持
-- 代理 IP 支持
-- 整合进现有 Pipeline
+- 代理 IP 轮换机制
+- 请求行为伪装（随机间隔、模拟人类行为）
+- 验证码检测与处理
+- 错误恢复机制（自动重试、指数退避）
+- 知乎 + B站 双平台支持
 
 ## What This Is
 
@@ -62,17 +61,25 @@ python3 kb-workflow/kb_workflow.py process "https://www.bilibili.com/video/BVxxx
 - ✓ OCR 文字识别 — ocr_processor.py
 - ✓ AI 深度分析 — deep_analyzer.py
 
+**v1.2 Zhihu Crawler (2026-03-17):**
+- ✓ **ZHIHU-01**: 二维码扫码登录 — playwright 提取二维码，用户扫码
+- ✓ **ZHIHU-02**: 手动 Cookie 降级 — 扫码失败时支持手动设置 Cookie
+- ✓ **ZHIHU-03**: Cookie 持久化 — 本地存储 Cookie，自动复用
+- ✓ **ZHIHU-04**: 问答内容爬取 — 问题标题、回答内容、元数据
+- ✓ **ZHIHU-05**: 专栏/文章爬取 — 文章标题、正文、元数据
+- ✓ **ZHIHU-06**: 评论爬取 — 支持爬取内容下的评论
+- ✓ **ZHIHU-07**: 代理 IP 支持 — 降低被封风险
+- ✓ **ZHIHU-08**: Pipeline 整合 — 替换现有知乎处理器
+
 ### Active
 
-**v1.2 Zhihu Crawler:**
-- [ ] **ZHIHU-01**: 二维码扫码登录 — playwright 提取二维码，用户扫码
-- [ ] **ZHIHU-02**: 手动 Cookie 降级 — 扫码失败时支持手动设置 Cookie
-- [ ] **ZHIHU-03**: Cookie 持久化 — 本地存储 Cookie，自动复用
-- [ ] **ZHIHU-04**: 问答内容爬取 — 问题标题、回答内容、元数据
-- [ ] **ZHIHU-05**: 专栏/文章爬取 — 文章标题、正文、元数据
-- [ ] **ZHIHU-06**: 评论爬取 — 支持爬取内容下的评论
-- [ ] **ZHIHU-07**: 代理 IP 支持 — 降低被封风险
-- [ ] **ZHIHU-08**: Pipeline 整合 — 替换现有知乎处理器
+**v1.3 Anti-Crawler Optimization:**
+- [ ] **AC-01**: 代理池管理 — 支持配置代理池，自动轮换 IP
+- [ ] **AC-02**: 请求行为伪装 — 随机化请求间隔，模拟人类行为
+- [ ] **AC-03**: 验证码检测 — 检测验证码页面，触发告警/暂停
+- [ ] **AC-04**: 错误恢复机制 — 自动重试、指数退避、断点续传增强
+- [ ] **AC-05**: 知乎反爬适配 — 针对知乎的反爬策略优化
+- [ ] **AC-06**: B站反爬适配 — 针对 B站的反爬策略优化
 
 ### Deferred
 
@@ -133,4 +140,4 @@ python3 kb-workflow/kb_workflow.py process "https://www.bilibili.com/video/BVxxx
 | 懒加载导入 | AnalyzeProcessor 懒加载 DeepAnalyzer | ✓ Good — 避免依赖问题 |
 
 ---
-*Last updated: 2026-03-17 after v1.2 milestone started*
+*Last updated: 2026-03-18 after v1.3 milestone started*
diff --git a/.planning/STATE.md b/.planning/STATE.md
index f2baa43..6289308 100644
--- a/.planning/STATE.md
+++ b/.planning/STATE.md
@@ -1,54 +1,47 @@
 ---
 gsd_state_version: 1.0
-milestone: v1.2
-milestone_name: Zhihu Crawler
-status: completed
-stopped_at: Completed 09-01 ZhihuAdapter integration
-last_updated: "2026-03-17T15:25:04.074Z"
-last_activity: 2026-03-17 — Phase 09-00 Test scaffolding complete
+milestone: v1.3
+milestone_name: Anti-Crawler Optimization
+status: planning
+stopped_at: Defining requirements
+last_updated: "2026-03-18T00:00:00.000Z"
+last_activity: 2026-03-18 — Milestone v1.3 started
 progress:
-  total_phases: 9
-  completed_phases: 8
-  total_plans: 27
-  completed_plans: 26
-  percent: 100
+  total_phases: 0
+  completed_phases: 0
+  total_plans: 0
+  completed_plans: 0
+  percent: 0
 ---
 
 # Project State
 
 ## Project Reference
 
-See: .planning/PROJECT.md (updated 2026-03-17)
+See: .planning/PROJECT.md (updated 2026-03-18)
 
 **Core value:** 可靠、可维护的处理管道 - 每个步骤独立、可验证、可恢复
-**Current focus:** v1.2 Zhihu Crawler — Phase 9 执行中
+**Current focus:** v1.3 Anti-Crawler Optimization — 反爬优化
 
 ## Current Position
 
-Phase: 9 of 9 (Pipeline Integration - 管道整合)
-Plan: 01 of 04
-Status: Phase 09-00 Wave 0 complete
-Last activity: 2026-03-17 — Phase 09-00 Test scaffolding complete
+Phase: Not started (defining requirements)
+Plan: —
+Status: Defining requirements
+Last activity: 2026-03-18 — Milestone v1.3 started
 
-Progress: [██████████] 100% (v1.2 milestone - Phase 9 in progress)
+Progress: [░░░░░░░░░░] 0% (v1.3 milestone - requirements phase)
 
 ## Performance Metrics
 
 **Velocity:**
-- Total plans completed: 3 (v1.2)
-- Average duration: 11 min
-- Total execution time: 32 min
+- Total plans completed: 0 (v1.3)
+- Average duration: —
+- Total execution time: —
 
 | Plan | Duration | Tasks | Files | Date |
 |------|----------|-------|-------|------|
-| 07-01 | 15min | 2 | 5 | 2026-03-17 |
-| 07-02 | 5min | 2 | 4 | 2026-03-17 |
-| 07-03 | 12min | 3 | 4 | 2026-03-17 |
-| Phase 08 P01 | 3min | 2 | 8 | 2026-03-17 |
-| Phase 08 P02 | 5min | 2 | 3 | 2026-03-17 |
-| Phase 08 P03 | 15min | 2 | 5 | 2026-03-17 |
-| 09-00 | 2min | 1 | 1 | 2026-03-17 |
-| Phase 09-pipeline-integration P01 | 11min | 3 tasks | 2 files |
+| (no plans yet) |
 
 ## Accumulated Context
 
@@ -76,12 +69,12 @@ v1.2 decisions:
 - 使用 tenacity Retrying 对象而非 @retry 装饰器支持可配置超时
 - 多个 canvas 选择器降级提高 QR 码检测鲁棒性
 - login CLI 命令支持三种模式：扫码登录、导入 Cookie、状态检查
-- [Phase 08-02]: Use Playwright request API for direct comment API calls instead of route interception
-- [Phase ?]: - [Phase 08-02]: Only fetch first-level comments (no nested replies)
-- [Phase ?]: - [Phase 08-02]: Use hot sorting (order=hot) for popular comments
-- [Phase 09-01]: ZhihuAdapter uses ZhihuCrawler with comment crawling enabled by default
-- [Phase 09-01]: Cookie expiration triggers automatic QR code login flow
-- [Phase 09-01]: Comments appended to content in Markdown format with '## 热门评论' section
+- Use Playwright request API for direct comment API calls instead of route interception
+- Only fetch first-level comments (no nested replies)
+- Use hot sorting (order=hot) for popular comments
+- ZhihuAdapter uses ZhihuCrawler with comment crawling enabled by default
+- Cookie expiration triggers automatic QR code login flow
+- Comments appended to content in Markdown format with '## 热门评论' section
 
 ### Blockers/Concerns
 
@@ -89,8 +82,8 @@ None.
 
 ## Session Continuity
 
-Last session: 2026-03-17T15:16:21.489Z
-Stopped at: Completed 09-01 ZhihuAdapter integration
+Last session: —
+Stopped at: Defining requirements
 Resume file: None
 
-**Next step:** Continue with Phase 09-01 ZhihuAdapter integration
+**Next step:** Define v1.3 requirements and create roadmap