docs(11-02): complete stealth integration plan

- Created 11-02-SUMMARY.md with execution results - Updated STATE.md: v1.4 milestone complete, 100% progress - Updated ROADMAP.md: Phase 11 complete, all plans done - Updated REQUIREMENTS.md: VERIFY-01, VERIFY-02 complete Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-03-18 23:56:09 +08:00
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+---
+phase: 11-stealth-fingerprinting
+plan: 02
+subsystem: crawler
+tags: [stealth, playwright, fingerprint-masking, anti-detection, zhihu]
+
+# Dependency graph
+requires:
+  - phase: 11-01
+    provides: StealthConfig, apply_stealth_sync, apply_stealth_async
+provides:
+  - ZhihuCrawler with stealth fingerprint masking integration
+  - stealth_config parameter for enabling/disabling stealth
+  - --disable-blink-features=AutomationControlled launch arg
+affects: [crawler, anti-detection]
+
+# Tech tracking
+tech-stack:
+  added: []
+  patterns: [TDD integration, backward-compatible feature addition]
+
+key-files:
+  created: [tests/test_crawler/test_zhihu_crawler_stealth.py]
+  modified: [kb_workflow/crawler/zhihu_crawler.py]
+
+key-decisions:
+  - "stealth_config=None means use default stealth (enabled by default)"
+  - "Launch with --disable-blink-features=AutomationControlled when stealth enabled"
+  - "Call apply_stealth_sync after context creation, before cookies"
+
+patterns-established:
+  - "TDD flow: RED test commit -> GREEN implementation -> regression test"
+
+requirements-completed: [VERIFY-01, VERIFY-02]
+
+# Metrics
+duration: 3min
+completed: 2026-03-18
+---
+
+# Phase 11 Plan 02: Stealth Integration Summary
+
+**Integrated stealth fingerprint masking into ZhihuCrawler with backward-compatible stealth_config parameter**
+
+## Performance
+
+- **Duration:** 3 min
+- **Started:** 2026-03-18T15:51:22Z
+- **Completed:** 2026-03-18T15:53:52Z
+- **Tasks:** 3
+- **Files modified:** 2
+
+## Accomplishments
+
+- ZhihuCrawler now applies stealth fingerprint masking automatically when starting browser
+- Added `--disable-blink-features=AutomationControlled` launch argument
+- Added `stealth_config` parameter for explicit control (default None = enabled)
+- 8 new integration tests covering stealth behavior and backward compatibility
+- All 82 crawler tests pass (no regressions)
+
+## Task Commits
+
+Each task was committed atomically:
+
+1. **Task 1-2: TDD Integration** - `56c21f3` (test) + `08cbe24` (feat)
+2. **Task 3: Regression Test** - No changes needed (all 82 tests pass)
+
+**Plan metadata:** (pending)
+
+## Files Created/Modified
+
+- `kb_workflow/crawler/zhihu_crawler.py` - Added stealth_config parameter, stealth import, launch args, apply_stealth_sync call
+- `tests/test_crawler/test_zhihu_crawler_stealth.py` - 8 new integration tests (created)
+
+## Decisions Made
+
+- **stealth_config=None means enabled by default**: Maintains backward compatibility - existing code gets stealth protection without changes
+- **Launch arg added only when stealth enabled**: Avoids unnecessary flags when explicitly disabled
+- **apply_stealth_sync called after context creation**: Matches stealth library requirements
+
+## Deviations from Plan
+
+None - plan executed exactly as written.
+
+## Issues Encountered
+
+None.
+
+## User Setup Required
+
+None - no external service configuration required.
+
+## Next Phase Readiness
+
+- ZhihuCrawler now has complete stealth fingerprint masking
+- Ready for real-world testing against Zhihu anti-crawler measures
+- Can be extended with behavior-based masking if fingerprint masking insufficient
+
+---
+*Phase: 11-stealth-fingerprinting*
+*Completed: 2026-03-18*