docs: archive historical milestone documentation (Oct 2025)

Move completed milestone documentation to docs/archive/2025-10-milestones/ to keep
base directory focused on active development needs:

Archived files:
- PHASE1_COMPLETION.md (response analyzer & circuit breaker milestone)
- PHASE2_COMPLETION.md (requirements & testing enhancements milestone)
- EXPERT_PANEL_REVIEW.md (historical expert review)
- TEST_IMPLEMENTATION_SUMMARY.md (historical test summary)
- USE_CASES.md (historical use case documentation)
- STATUS.md (superseded by IMPLEMENTATION_STATUS.md)

Remaining active docs in base directory:
- IMPLEMENTATION_PLAN.md (roadmap for Weeks 3-6)
- IMPLEMENTATION_STATUS.md (current status tracking)
- README.md (project documentation)
- CLAUDE.md (agent instructions)
- SPECIFICATION_WORKSHOP.md (reusable template)
- sample-prd.md (example template)

Added docs/archive/2025-10-milestones/README.md explaining archive contents
and historical context.

.claude/settings.local.json

@@ -15,7 +15,8 @@
       "Bash(awk:*)",
       "Bash(bats:*)",
       "Bash(./tests/test_error_detection.sh:*)",
-      "Bash(./tests/test_stuck_loop_detection.sh:*)"
+      "Bash(./tests/test_stuck_loop_detection.sh:*)",
+      "Bash(git mv:*)"
     ],
     "deny": [],
     "ask": []

docs/archive/2025-10-milestones/README.md

@@ -0,0 +1,36 @@
+# Historical Documentation Archive - October 2025 Milestones
+
+**Archive Date**: 2025-12-31
+**Reason**: Historical milestone documentation from Phase 1 & 2 completion (October 2025)
+
+## Contents
+
+This directory contains historical documentation from the October 2025 development milestones when Phase 1 and Phase 2 implementations were completed.
+
+### Phase Completion Documents
+- **PHASE1_COMPLETION.md** - Response analyzer & circuit breaker implementation (completed 2025-10-01)
+- **PHASE2_COMPLETION.md** - Requirements clarity, use cases, and testing enhancements (completed 2025-10-01)
+
+### Review and Planning Documents
+- **EXPERT_PANEL_REVIEW.md** - Expert panel review with recommendations from Martin Fowler, Kent Beck, et al.
+- **TEST_IMPLEMENTATION_SUMMARY.md** - Summary of initial test implementation achievements
+- **USE_CASES.md** - Use case documentation following Alistair Cockburn's methodology
+- **STATUS.md** - Historical status document (superseded by IMPLEMENTATION_STATUS.md)
+
+## Current Active Documentation
+
+For current project status and planning, see:
+- `../../IMPLEMENTATION_STATUS.md` - Current status tracking (updated regularly)
+- `../../IMPLEMENTATION_PLAN.md` - Active roadmap for remaining work
+- `../../README.md` - Main project documentation
+- `../../CLAUDE.md` - Instructions for Claude Code agents
+
+## Historical Context
+
+These documents capture the state of the Ralph project in October 2025 when:
+- 75 tests were passing (15 rate + 20 exit + 20 loop + 20 edge)
+- Response analyzer and circuit breaker were implemented
+- Test infrastructure was established
+- Weeks 1-2 of the 6-week plan were complete
+
+Archived to keep the base directory focused on active development needs while preserving historical milestones.