Add implementation roadmap and milestone workplans

workplans/ADAPTIVE-WP-0007-provider-abstraction-and-stripe-publication.md

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+---
+id: ADAPTIVE-WP-0007
+type: workplan
+title: "Provider abstraction and Stripe publication"
+domain: financials
+repo: adaptive-pricing
+status: backlog
+owner: codex
+topic_slug: helix-forge
+created: "2026-07-02"
+updated: "2026-07-02"
+state_hub_workstream_id: "3e348457-0ef7-4b5c-b4c5-9668e03b63ac"
+---
+
+# Provider abstraction and Stripe publication
+
+Add the first outbound execution layer so internal pricing definitions can be
+published to Stripe without making Stripe the source of truth.
+
+## Define Provider-Neutral Artifact Model
+
+```task
+id: ADAPTIVE-WP-0007-T01
+status: todo
+priority: high
+state_hub_task_id: "b4eb157d-54a8-4518-b99c-16355c3e22cf"
+```
+
+Define the internal publishable artifacts for products, charge components,
+meters, recurring prices, discounts, commitments, and customer-specific
+configurations.
+
+## Implement Stripe Mapping
+
+```task
+id: ADAPTIVE-WP-0007-T02
+status: todo
+priority: high
+state_hub_task_id: "73fd1384-0b9e-48ea-851b-4045928e9c58"
+```
+
+Map the canonical internal primitives to Stripe Billing objects and document
+where the mapping is exact, approximate, or unsupported.
+
+## Add Publish / Update / Drift Logic
+
+```task
+id: ADAPTIVE-WP-0007-T03
+status: todo
+priority: high
+state_hub_task_id: "da137f4b-0b2a-49fb-adf2-7133cb908af0"
+```
+
+Implement idempotent publish, update, and drift-detection behavior so generated
+provider state remains auditable and synchronized with internal definitions.
+
+## Preserve Reconciliation And Rollback
+
+```task
+id: ADAPTIVE-WP-0007-T04
+status: todo
+priority: medium
+state_hub_task_id: "3e3e2fc3-f38f-4869-890a-94bffac97439"
+```
+
+Add metadata, logs, and rollback mechanics needed to reconcile internal pricing
+state with Stripe artifacts and to unwind failed publish attempts safely.
+
+## Exit Criteria
+
+```task
+id: ADAPTIVE-WP-0007-T05
+status: todo
+priority: medium
+state_hub_task_id: "1dd8f49a-87fb-43ea-9c65-b6aa909e4a56"
+```
+
+Exit when the repo can publish a validated pricing model to Stripe in a
+repeatable, explainable, and reversible way.
+
+Dependencies: `ADAPTIVE-WP-0003`, `ADAPTIVE-WP-0004`, `ADAPTIVE-WP-0005`.
+