Pitfalls

# Route 5 — 常见卡点 / 误区 / 平台期

**Goal:** where beginners get stuck — becomes "前方有坑" warnings on the right modules + the
tutor's expected `weak_spots`.

**Find:** where learners of `{skill}` get stuck, what they misunderstand, the plateau and how
people break it.

**Where (high → low):**
- teaching / Q&A forums (Stack Overflow tags, Reddit learn-X subs) — recurring beginner questions
- "why beginners fail at X" / "mistakes when learning X" from practitioners
- known-misconception lists / FAQs in the canonical resources

**Output → `references/research/05-pitfalls.md`:** pitfalls + misconceptions, each mapped to the
module where it bites; the plateau description + the unlock.

**Feeds:** per-module "前方有坑" notes; seeds the tutor's expected `weak_spots`.