chore(repo): initialize project's repository structure

- Adds src/tests/docs scaffolding
- Preserves Stage 1 planning tasks
- Adds local AI orchestration folders (.agile, tasks)
- Applies GitFlow development base branch

.gitignore

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+.tasks/
+.agile/

docs/architecture/module-map.puml

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+@startuml
+skinparam shadowing false
+skinparam packageStyle rectangle
+
+title furniture-domain module map
+
+package "furniture-domain" {
+  package "Availability" {
+    class FurnitureAvailabilityPolicy
+    class AvailabilityComposition
+  }
+  package "Abstractions" {
+    interface IFurnitureDomainDecision
+  }
+}
+
+package "building-block-inventory" {
+  class InventoryItemLookupResponse
+}
+
+package "building-block-catalog" {
+  class ProductContract
+}
+
+InventoryItemLookupResponse ..> AvailabilityComposition
+ProductContract ..> AvailabilityComposition
+
+note bottom
+Domain decision layer only.
+No transport or persistence implementation.
+end note
+@enduml

docs/architecture/repository-charter.md

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+# Furniture Domain Repository Charter
+
+## Purpose
+`furniture-domain` owns furniture capability decision and composition rules currently held in service application.
+
+## Ownership
+- Furniture domain owns availability composition semantics.
+- Service remains orchestration-only.
+- DAL remains persistence and translation-only.
+
+## Scope
+- Availability decision/composition rules
+- Domain abstractions for capability aggregation
+- Domain invariants and behavior contracts
+
+## Out of Scope
+- gRPC/REST transport wiring
+- Provider/repository implementation
+- BFF edge adaptation
+
+## Dependency Boundary
+Allowed direction:
+- `blueprint-platform` -> `building-block-inventory` + `building-block-catalog` -> `furniture-domain`
+
+Forbidden:
+- Domain references to DAL, Service, or BFF
+- Any identity logic ownership outside Thalos

docs/domain/domain-boundary-rules.md

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+# Furniture Domain Boundary Rules
+
+## Domain Owns
+- Availability composition decisions
+- Capability aggregation semantics
+- Domain invariants
+
+## Service Owns
+- Use-case orchestration
+- Transport contract adaptation
+
+## DAL Owns
+- Persistence/retrieval
+- Technical data translation
+
+## BFF Owns
+- Edge transport exposure
+- Service client adaptation
+
+## Forbidden
+- Domain references to DAL/Service/BFF
+- Domain runtime wiring concerns

docs/migration/behavior-invariants.md

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+# Behavior Invariants for Domain Extraction
+
+## Invariants
+- Availability decision outcome remains unchanged for equivalent inputs.
+- Correlation propagation behavior remains unchanged.
+- Transport contracts stay stable at service boundary.
+
+## Validation Approach
+- Compare pre/post extraction contract examples.
+- Keep orchestration path stable while decision ownership moves.

docs/migration/service-to-domain-migration-map.md

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+# Furniture Service to Domain Migration Map
+
+## Candidate Migrations
+
+| Current Source | Target Domain Area | Ownership Outcome |
+|---|---|---|
+| furniture-service availability use case flow | Domain/AvailabilityPolicies | Domain owns decision logic |
+| furniture-service contract composition logic | Domain/CompositionRules | Service remains orchestration only |
+| service-level decision branches | Domain/DecisionRules | DAL and BFF stay technical |
+
+## Service After Extraction
+- Orchestration only
+- Delegation to domain abstractions
+- No direct decision ownership

docs/provisioning/checklist.md

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+# Stage 7 Provisioning Checklist - furniture-domain
+
+## Preconditions
+- [ ] Dependency direction verified against rules/15-workspace-dependency-graph.md.
+- [ ] Building block contract dependencies identified.
+
+## Provisioning Scope
+- [ ] Create domain-only module structure.
+- [ ] Define availability domain contracts and abstractions.
+- [ ] Publish ownership boundaries with service and DAL.
+
+## Guardrails
+- [ ] No runtime wiring changes.
+- [ ] No provider/repository implementation.
+- [ ] No BFF transport concerns.
+
+## Handoff
+- [ ] Service orchestration refactor plan documented.
+- [ ] DAL boundary alignment plan documented.