Batch Preview — Auto Discovered Stubs 2026 04 19

Sample 1: Metal entity — vanadium (8 source mentions)

```yaml —- title: Vanadium type: entity subtype: metal created: 2026-04-19 updated: 2026-04-19 sources: [] source_count: 0 tags: [transition-metal, trace-element] platform: wikibiome stub: true stub_reason: "auto-discovered from source mention — 8 sources discuss this metal, awaiting content expansion" —- ```

Sample 2: Microbe entity — shigella (36 source mentions)

```yaml —- title: Shigella type: entity subtype: microbe created: 2026-04-19 updated: 2026-04-19 sources: [] source_count: 0 tags: [pathogen, gram-negative, gut-dysbiosis] platform: wikibiome stub: true stub_reason: "auto-discovered from source mention — 36 sources discuss this taxon, awaiting content expansion" —- ```

Sample 3: Microbe entity — faecalibacterium (14 source mentions)

```yaml —- title: Faecalibacterium type: entity subtype: microbe created: 2026-04-19 updated: 2026-04-19 sources: [] source_count: 0 tags: [commensal, butyrate-producer, gut-health] platform: wikibiome stub: true stub_reason: "auto-discovered from source mention — 14 sources discuss this taxon, awaiting content expansion" —- ```

Assessment

Pattern is consistent. Each stub gets minimal valid frontmatter for its type. Proceeding to full batch for items with ≥5 source mentions.