Complete WP-0006 through WP-0009: registry expansion, catalog, graph, tests

Register six new capabilities (12 total), add searchable catalog UI and graph
explorer, introduce pytest suite with CI fail-on-warnings, and close gap
analysis priorities 13 and 16. WP-0010 remains backlog for network federation.

workplans/REUSE-WP-0010-network-federation.md

@@ -0,0 +1,54 @@
+---
+id: REUSE-WP-0010
+type: workplan
+title: "Network federation for remote indexes"
+domain: helix_forge
+repo: reuse-surface
+status: backlog
+owner: codex
+topic_slug: helix-forge
+created: "2026-06-15"
+updated: "2026-06-15"
+state_hub_workstream_id: "da812165-d56e-47fa-9901-bb3747522ec4"
+---
+
+# Network federation for remote indexes
+
+Close gap analysis priority 15. Extend federation beyond filesystem paths to
+fetch capability indexes from HTTP URLs or git raw endpoints.
+
+## Extend Federation Schema For URLs
+
+```task
+id: REUSE-WP-0010-T01
+status: todo
+priority: medium
+state_hub_task_id: "6f181057-e0f7-4879-9eb9-928a527a01ee"
+```
+
+Extend `schemas/federation.schema.yaml` and manifest format to support `url`
+sources alongside `index` file paths, with optional auth and TTL metadata.
+
+## Implement Remote Index Fetch
+
+```task
+id: REUSE-WP-0010-T02
+status: todo
+priority: medium
+state_hub_task_id: "a2fac7d5-9383-4a42-bd23-3e8dbc7d550b"
+```
+
+Add HTTP fetch to `federation compose` with local cache under
+`registry/federation/cache/`. Clear errors when remote source unavailable.
+
+## Document Federation Operations
+
+```task
+id: REUSE-WP-0010-T03
+status: todo
+priority: low
+state_hub_task_id: "73996193-ecae-4fb4-84f7-fe84a5cd8898"
+```
+
+Update `docs/RegistryFederation.md` with remote source examples and agent
+guidance for cross-repo discovery without local checkout.