[log] route {'task_type': 'repair', 'correctness_stages': ['csim'], 'initial_level': 0, 'budget': 20, 'token_mode': 'full'}
[log] pre_csim_review {'attempt': 1}
[log] kb_search {'query': [], 'hits': 0, 'hit_ids': []}
[log] mechanical_review {'passed': True, 'issues': []}
[log] heartbeat {'stage': 'llm', 'age_s': 4.1, 'stale': False, 'credit_remaining': 20}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 20}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 20}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 20}
[log] review {'verdict': 'reject', 'retry': 0, 'issues': 'FAIL\n\n**Issues:**\n1.  **Incomplete Control Flow:** `angle` is type `bit2` (range 0–3), but logic only handles 0, 1, and 2. If `angle == 3`, `triangle_2d` is left uninitialized, causing undefined behav'}
[log] heartbeat {'stage': 'llm', 'age_s': 4.2, 'stale': False, 'credit_remaining': 20}
[log] mechanical_review {'passed': True, 'issues': []}
[log] heartbeat {'stage': 'llm', 'age_s': 8.0, 'stale': False, 'credit_remaining': 20}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 20}
[log] review {'verdict': 'reject', 'retry': 1, 'issues': 'FAIL\n\n1.  **Unhandled Input Value:** `bit2` (typically 2-bit unsigned) supports values 0–3. The control flow only handles 0, 1, and 2. If `angle == 3`, `triangle_2d` remains uninitialized, causing und'}
[log] pre_csim_fix_applied {'note': 'LLM found issues before first csim'}
[log] heartbeat {'stage': 'csim', 'age_s': 1.0, 'stale': False, 'credit_remaining': 20}
[log] tool_result {'kind': 'csim', 'phase': 'pass', 'ok': True, 'rc': 0, 'elapsed_s': 9.7, 'credit_spent': 1, 'log': ''}
[log] checkpoint {'old': 0, 'new': 1, 'reason': 'correctness_gate'}
[log] phase_exit {'phase': 'correctness', 'result': 'ok', 'best_level': 1}
[log] heartbeat {'stage': 'synth', 'age_s': 1.3, 'stale': False, 'credit_remaining': 19}
[log] heartbeat {'stage': 'synth', 'age_s': 10.0, 'stale': False, 'credit_remaining': 19}
[log] heartbeat {'stage': 'synth', 'age_s': 10.0, 'stale': False, 'credit_remaining': 19}
[log] tool_result {'kind': 'synth', 'phase': 'pass', 'ok': True, 'elapsed_s': 23.5, 'credit_spent': 5, 'log': ''}
[log] checkpoint {'old': 1, 'new': 2, 'latency': None, 'reason': 'synth_ok'}
[log] phase_exit {'phase': 'synth', 'result': 'ok', 'latency': None}
[log] optimize_skip {'reason': 'latency_unreachable', 'best_latency': None, 'note': 'synth latency is 0/missing; PPA slice not scorable, skipping optimization'}
[log] submit {'final_level': 2, 'final_latency': None, 'credit_spent': 5}
=== Task projection_bugfix [repair, difficulty 2] ===
    budget: 20 credits | backend: deepseek

qwen3.5-122b-a10b 4 calls | prompt=4528 completion=10549 (reasoning=9123) total=15077

--- metered tool transcript ---
  #1  [csim] pass (rc=0, 9.7s)   [spent 1/20]
  #2  [synth] pass (rc=0, 23.5s) | latency(worst)=0 cyc  II=1  clk~2.538ns  LUT=692 FF=0 DSP=0 BRAM=0 URAM=0   [spent 5/20]
  budget 5/20 credits spent (csimx1, synthx1)

=== Grading (hidden testbench + PPA, uncharged) ===
=== Scorecard: projection_bugfix (difficulty 2) ===
  functional (hidden TB): PASS
  synthesizable         : PASS
  baseline latency      : 0 cyc
  candidate latency     : 0 cyc
  candidate resources   : LUT=692 FF=0 DSP=0 BRAM=0
  SCORE                 : 1.400

recent scores (projection_bugfix):
  2026-07-25 21:49  SCORE 1.400  lat=0  credits=5  tokens=15077

final kernel -> /home/admin/fpga-agent/runs/qwen3.5-122b-a10b/projection_bugfix/final_projection.cpp
