feat(example): add supply-chain-vsm composition demo (S3.5)

Demonstrates infospace composition: the Wealth of Nations infospace is
used as a discipline, applying Smith's economic framework as a lens to
analyse modern supply chain management concepts.

New example: examples/supply-chain-vsm/
- infospace.yaml binding WoN as discipline (../infospace-with-history)
- 3 source documents: coordination mechanisms, capital & inventory,
  market structure (~400 words each, original content)
- supply-chain-entity-schema-v1.0.md with WoN Concept required section
- won-mapping-schema-v1.0.md with Conceptual Continuity rating
- artifacts/won-reference/core-entities.md — 12 curated WoN entities
  for injection as discipline context
- 8 hand-crafted entity files demonstrating LLM output format
- 3 mapping files with full rationale and VSM inheritance chains
- Viable: YES (5/5 thresholds)

Key mappings demonstrated:
  Demand Signal          → Effectual Demand        (Strong, S2)
  Vendor-Managed Inventory → Division of Labour    (Strong, S1/S2)
  Just-in-Time Inventory → Circulating Capital     (Strong, S1/S3)
  Bullwhip Effect        → Natural Price           (Moderate, S2)
  Platform Intermediary  → Merchant Capital        (Strong, S2/S4)
  Monopsony Power        → Combination of Masters  (Strong, S3*)

Platform fix: entity_parser.py now recognises ## Supply Chain Domain
as a domain alias for ## Economic Domain, enabling composed infospaces
to use their own domain section name.

Tutorial §13 rewritten with real commands, real output, and the full
mapping table from the demo.

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

examples/supply-chain-vsm/output/entities/vendor-managed-inventory.md

@@ -0,0 +1,38 @@
+<!-- generated: provider=openrouter model=arcee-ai/trinity-large-preview:free date=2026-02-22 source=coordination-mechanisms -->
+
+# Vendor-Managed Inventory
+
+## Definition
+
+A supply chain coordination arrangement in which the supplier takes
+responsibility for maintaining stock levels at the buyer's location,
+using shared inventory data to trigger automatic replenishment. Payment
+occurs at point of consumption rather than delivery. The buyer surrenders
+operational control over replenishment in exchange for reduced
+administrative burden and improved demand signal quality.
+
+## Source
+
+Coordination Mechanisms in Modern Supply Chains, §Vendor-Managed Inventory
+
+## Supply Chain Domain
+
+Coordination
+
+## VSM Assignment
+
+S2 — VMI is a formal coordination mechanism that assigns the replenishment
+function to the party best positioned to perform it. It reduces oscillation
+(the bullwhip) by giving the upstream party direct visibility of
+consumption rather than batched orders.
+
+## WoN Concept
+
+Division of Labour — VMI is an application of Smith's division of labour
+principle at the inter-firm level. The inventory management function —
+previously split between buyer (demand tracking) and supplier (order
+fulfilment) with coordination friction between them — is consolidated
+with the supplier, who has the information and capability to perform it
+most efficiently. The functional specialisation reduces transaction costs
+and improves the quality of the upstream demand signal, mirroring Smith's
+argument that specialisation improves output quality and reduces waste.