docs: update gitignore to track report results, add README cross-links

- Revised .gitignore to ignore raw data/cache but track data/report/
  (candidates TSV/Parquet, plots, reproducibility metadata)
- Added zh↔en cross-links between README.md and README.en.md

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

data/report/candidates.provenance.yaml

@@ -0,0 +1,33 @@
+generated_at: '2026-02-12T18:42:59.932245+00:00'
+output_files:
+- candidates.tsv
+- candidates.parquet
+statistics:
+  total_candidates: 18116
+  high_count: 0
+  medium_count: 2151
+  low_count: 15965
+column_count: 22
+column_names:
+- gene_id
+- gene_symbol
+- gnomad_score
+- expression_score
+- annotation_score
+- localization_score
+- animal_model_score
+- literature_score
+- evidence_count
+- available_weight
+- weighted_sum
+- composite_score
+- quality_flag
+- gnomad_contribution
+- expression_contribution
+- annotation_contribution
+- localization_contribution
+- animal_model_contribution
+- literature_contribution
+- confidence_tier
+- supporting_layers
+- evidence_gaps

data/report/reproducibility.json

@@ -0,0 +1,57 @@
+{
+  "run_id": "5f00f9da-e548-4a58-b1b3-028d05c94d32",
+  "timestamp": "2026-02-12T18:43:00.223842+00:00",
+  "pipeline_version": "0.1.0",
+  "parameters": {
+    "gnomad": 0.2,
+    "expression": 0.2,
+    "annotation": 0.15,
+    "localization": 0.15,
+    "animal_model": 0.15,
+    "literature": 0.15
+  },
+  "data_versions": {
+    "ensembl_release": 113,
+    "gnomad_version": "v4.1",
+    "gtex_version": "v8",
+    "hpa_version": "23.0"
+  },
+  "software_environment": {
+    "python": "3.14.3",
+    "polars": "1.38.1",
+    "duckdb": "1.4.4"
+  },
+  "filtering_steps": [
+    {
+      "step_name": "load_scored_genes",
+      "input_count": 0,
+      "output_count": 0,
+      "criteria": ""
+    },
+    {
+      "step_name": "apply_tier_classification",
+      "input_count": 0,
+      "output_count": 0,
+      "criteria": ""
+    },
+    {
+      "step_name": "write_candidate_output",
+      "input_count": 0,
+      "output_count": 0,
+      "criteria": ""
+    },
+    {
+      "step_name": "generate_visualizations",
+      "input_count": 0,
+      "output_count": 0,
+      "criteria": ""
+    }
+  ],
+  "validation_metrics": {},
+  "tier_statistics": {
+    "total": 18116,
+    "high": 0,
+    "medium": 2151,
+    "low": 15965
+  }
+}

data/report/reproducibility.md

@@ -0,0 +1,45 @@
+# Pipeline Reproducibility Report
+
+**Run ID:** `5f00f9da-e548-4a58-b1b3-028d05c94d32`
+**Timestamp:** 2026-02-12T18:43:00.223842+00:00
+**Pipeline Version:** 0.1.0
+
+## Parameters
+
+**Scoring Weights:**
+
+- gnomAD: 0.20
+- Expression: 0.20
+- Annotation: 0.15
+- Localization: 0.15
+- Animal Model: 0.15
+- Literature: 0.15
+
+## Data Versions
+
+- **ensembl_release:** 113
+- **gnomad_version:** v4.1
+- **gtex_version:** v8
+- **hpa_version:** 23.0
+
+## Software Environment
+
+- **python:** 3.14.3
+- **polars:** 1.38.1
+- **duckdb:** 1.4.4
+
+## Filtering Steps
+
+| Step | Input Count | Output Count | Criteria |
+|------|-------------|--------------|----------|
+| load_scored_genes | 0 | 0 |  |
+| apply_tier_classification | 0 | 0 |  |
+| write_candidate_output | 0 | 0 |  |
+| generate_visualizations | 0 | 0 |  |
+
+## Tier Statistics
+
+- **Total Candidates:** 18116
+- **HIGH:** 0
+- **MEDIUM:** 2151
+- **LOW:** 15965