Implement CENG-WP-0002: package distribution and publish readiness

Resolve ADR-0002 in umbrella, add install docs, contract sync runbook,
publishing checklist, and package files whitelist.

workplans/CENG-WP-0002-package-distribution.md

@@ -4,7 +4,7 @@ type: workplan
 title: "Package distribution — ADR-0002, publish readiness, contract sync"
 domain: citation_evidence
 repo: citation-engine
-status: active
+status: done
 owner: codex
 topic_slug: citation_evidence_mvp
 created: "2026-06-22"
@@ -41,7 +41,7 @@ T01 (resolve ADR-0002)
 
 ```task
 id: CENG-WP-0002-T01
-status: wait
+status: done
 priority: critical
 depends_on: []
 ```
@@ -66,7 +66,7 @@ consequences sections are filled.
 
 ```task
 id: CENG-WP-0002-T02
-status: wait
+status: done
 priority: high
 depends_on: [T01]
 ```
@@ -98,7 +98,7 @@ sister repo placeholder (`evidence-anchor`).
 
 ```task
 id: CENG-WP-0002-T03
-status: wait
+status: done
 priority: high
 depends_on: [T01]
 ```
@@ -123,7 +123,7 @@ Write a short runbook (in `citation-engine/README.md` or `wiki/README.md`):
 
 ```task
 id: CENG-WP-0002-T04
-status: wait
+status: done
 priority: low
 depends_on: [T01, T02]
 ```
@@ -149,6 +149,6 @@ structurally publishable even if no publish has occurred yet.
 | Workplan | Role |
 |----------|------|
 | `CENG-WP-0001` | Extraction — **done** |
-| `CE-WP-0009` | Umbrella consumes engine via `link:` — can start now |
+| `CE-WP-0009` | Umbrella consumes engine via `link:` — **done** |
 | `CENG-WP-0002` | Distribution strategy and publish prep — this file |
 | Future `EANCH-WP-0002`, etc. | Sister-repo extractions depend on engine install story from T02 |