Docs: Phase 4 blockers for remaining 9 effects

docs/phase4-blockers.md

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+# Phase 4 Blockers: Remaining Effects
+
+## Status
+- ✅ **49+ effects implemented**: Mana Flow (7), Mana Well (14), Combat (6), Study (12), Element (4), Enchanting (6)
+- 🔴 **9 effects remaining** (sub-agent implementation failed multiple times)
+
+## Remaining Effects
+### Crafting Special Effects (4)
+- BATCH_CRAFTING
+- MASS_PRODUCTION
+- SCAVENGE
+- RECLAIM
+
+### Golemancy Special Effects (4)
+- GOLEM_FURY
+- GOLEM_RESONANCE
+- RAPID_STRIKES
+- BLITZ_ATTACK
+
+### Ascension Special Effects (1)
+- INSIGHT_BOUNTY
+
+## Blocker Details
+Multiple sub-agent attempts failed due to:
+1. **Context length limits**: Prompts exceeding 262k token maximum (last attempt: 630k tokens)
+2. **Prompt misalignment**: Sub-agents returning unrelated results (table sorting bugs, enchantment system explorations, paidStudySkills fixes)
+3. **Inability to follow "implement X effects" instructions**: Sub-agents keep exploring instead of executing
+
+## Next Steps
+- Flag these 9 effects for manual implementation later
+- Verify all 49+ implemented effects work correctly
+- Complete Phase 4 documentation
+- Move to Phase 5 (Testing & Verification)