sync: update all skills from latest workspace code

doc_parser_skill:
- New: verify_flowchart.py (flowchart validation)
- Updated: LLM.py (multi-provider: DeepSeek + DashScope)
- Updated: image_parser.py (logic tree support, external prompts)
- Updated: SKILL.md, prompts/image_prompt.md

conflict_detection_skill:
- Updated: LLM.py (multi-provider sync)
- Updated: detect_conflicts.py (logic tree text conversion)

ir_generation_skill:
- Replaced old scripts/LLM.py + ir_generator.py with standalone project
- New: main.py, config.py, step1-3_*.py, ensemble_merge.py
- New: prompts/, tests/ subdirectories

tests:
- New: acceptance/ test suite with schema validation
- Fixed: conftest no longer globally skips non-acceptance tests
- Updated: test_sample.py for new ir_generation structure

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

.gitea/workflows/acceptance.yml

@@ -0,0 +1,54 @@
+name: QE Acceptance Tests
+
+on:
+  workflow_dispatch:
+    inputs:
+      acceptance_runs:
+        description: 'Layer B stability runs (1 = skip stability testing)'
+        required: false
+        default: '1'
+      ir_path:
+        description: 'Path to IR JSON file (relative to workspace)'
+        required: false
+        default: 'output/ir_final.json'
+      parsed_path:
+        description: 'Path to _parsed.json or _updated.json (relative to workspace)'
+        required: false
+        default: 'output/车机娱乐系统禁止功能文档_精简_updated.json'
+
+jobs:
+  acceptance:
+    runs-on: shell
+    timeout-minutes: 30
+    steps:
+      - name: Checkout main branch
+        run: |
+          git clone --depth 1 http://localhost:3000/pzhang_zywl/document_analyzer.git .
+          git checkout main
+
+      - name: Install dependencies
+        run: pip install -r requirements.txt
+
+      - name: Run QE Acceptance Tests
+        run: >-
+          python -m pytest tests/acceptance/ -v
+          --run-acceptance
+          --acceptance-runs=${{ github.event.inputs.acceptance_runs }}
+          --ir-path=${{ github.event.inputs.ir_path }}
+          --parsed-path=${{ github.event.inputs.parsed_path }}
+          --tb=long
+        env:
+          DASHSCOPE_API_KEY: ${{ secrets.DASHSCOPE_API_KEY }}
+
+      - name: Create issue on failure
+        if: failure()
+        env:
+          GITEA_API_TOKEN: ${{ secrets.GITEA_TOKEN }}
+        run: >-
+          python scripts/create_failure_issue.py
+          --sha "${{ github.sha }}"
+          --branch "main"
+          --run "${{ github.run_number }}"
+          --message "QE Acceptance Tests Failed"
+          --workflow "QE Acceptance"
+          --labels "acceptance-failure,agent-task"