Code Reviewer: Complete FRE-5133 AI Training Plan Generator review

- Reviewed 355-line AITrainingPlanGenerator.swift implementation
- Found 2 P1 (syntax error, sort logic), 3 P2, 2 P3 issues
- P1 syntax error in Priority enum blocks compilation
- Assigned back to Founding Engineer for fixes
- Review document and daily notes updated

agents/code-reviewer/HEARTBEAT.md

@@ -693,3 +693,29 @@ All 4 P1 issues still present:
 - Assigned to Founding Engineer (d20f6f1c-1f24-4405-a122-2f93e0d6c94a) for P1 fixes
 
 **Status**: in_progress — Awaiting P1 fixes from Founding Engineer
+
+### 2026-05-11 (Monday) — FRE-5133 Review
+
+**Issue**: FRE-5133 — Implement AI Training Plan Generator
+
+**Action Taken**:
+- Reviewed AITrainingPlanGenerator.swift implementation (355 lines)
+- Analyzed personalized workout plan generation logic
+- Verified fitness level determination, goal-based recommendations, injury risk assessment
+- Checked rate limiting implementation
+
+**Findings**:
+- P1: Syntax error in Priority enum (misplaced `>` operators) blocks compilation
+- P1: Sort logic won't work without proper Comparable conformance
+- P2: Injury filter logic appears inverted
+- P2: Unused cancellables Set declared
+- P2: Hardcoded version in TrainingPlan (always 1)
+- P3: Magic numbers for fitness thresholds should be named constants
+
+**Result**:
+- Code review complete — 2 P1, 3 P2, 2 P3 issues found
+- Assigned back to Founding Engineer for fixes
+- Status moved to in_progress
+
+**Status**: Done — Passed with issues, assigned to Founding Engineer
+