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feat: add Java JRXML-to-PNG rendering pipeline with pixel-level SSIM comparison

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- lib/java/: Java renderer (JrxmlRenderer) using JasperReports 6.21.0
  - JrxmlDebug for diagnostics, JrxmlGen for format reference
  - download_jars.sh for one-time dependency setup
- agent/nodes.py: _render_jrxml_to_png() and _compute_pixel_similarity()
  - Pixel comparison integrates into validate node (SSIM < 0.4 fails)
  - Pixel fidelity context injected into correct_jrxml for targeted fixes
- tests/test_pixel_comparison.py: 15 unit tests (render, SSIM, integration)
- .gitignore: exclude lib/java/*.jar, lib/java/*.class, tmp/
- CLAUDE.md: v11 changelog documenting the rendering pipeline
- All non-LLM tests pass (97/97)
This commit is contained in:
panda
2026-05-23 15:09:55 +08:00
parent 9de75d2f25
commit bb6cc6e241
16 changed files with 837 additions and 8 deletions
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api_server.py
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@@ -244,6 +244,7 @@ async def _sse_generator(agent_state: AgentState, session_id: str = "") -> str:
"jrxml_length": len(agent_state.get("current_jrxml", "")),
"error_msg": agent_state.get("error_msg", ""),
"natural_explanation": agent_state.get("natural_explanation", ""),
"consult_answer": agent_state.get("consult_answer", ""),
"retry_count": agent_state.get("retry_count", 0),
"total_duration_ms": total_ms,
"ocr_extraction_result": agent_state.get("ocr_extraction_result", {}),