docs(milestone): complete v1.9 — verify + review + audit + tag v1.9.0

---ci---
project: acdl
phase: 0
milestone: v1.9
status: complete
requirements:
  covered: [REQ-100, REQ-101, REQ-102, REQ-103, REQ-104, REQ-105, REQ-106, REQ-107, REQ-108, REQ-109, REQ-110, REQ-111]
  partial: []
---/ci---

v1.9 milestone COMPLETE. All 12 requirements satisfied.

Verify: 4 layers PASS (structural 26/26 files, behavioral 493 tests +
run_ci.sh + run_platform.sh --check-only green, security, quality).
Review: 0 P0, 0 P1 (READY TO SHIP). REVIEW.md reconstructed (D-086).
Audit: PASS (reconstruction, file discipline, branch hygiene, commit
discipline — 12/12 commits with ---ci--- blocks).

Updated:
- .ciagent/REQUIREMENTS.md: v1.9 section marked complete; traceability
  table REQ-100..111 added.
- .ciagent/ROADMAP.md: v1.9 marked complete; Phase 43 added.
- .ciagent/PROJECT.md: v1.9 objective marked complete.
- .ciagent/config.json: milestone v1.9 status -> complete.
- .ciagent/REVIEW.md: reconstructed with v1.9 content (D-086).
- .ciagent/VERIFY.md: v1.9 4-layer verify.
- .ciagent/AUDIT.md: v1.9 audit (PASS).
- uses:/ref: bumped @v1.6 -> @v1.9 in contracts/, deploy workflows,
  docs/consumer-guide.md (D-071 successor).

Tag v1.9.0 created next; floating v1.9 + v1 tags updated.

contracts/microservice.dev.yaml

@@ -1,7 +1,7 @@
 # ACDL sample consumer contract — microservice module (dev)
 # Per-environment contract (REQ-105). Promotion = running the dev job;
 # no environment field editing. Interpolation resolves against dev.json.
-uses: acdl/pipelines/deploy.yaml@v1.6
+uses: acdl/pipelines/deploy.yaml@v1.9
 module: microservice
 environment: dev
 inputs:

contracts/microservice.dr.yaml

@@ -1,7 +1,7 @@
 # ACDL sample consumer contract — microservice module (dr)
 # Per-environment contract (REQ-105). Promotion = running the dr job;
 # no environment field editing. Interpolation resolves against dr.json.
-uses: acdl/pipelines/deploy.yaml@v1.6
+uses: acdl/pipelines/deploy.yaml@v1.9
 module: microservice
 environment: dr
 inputs:

contracts/microservice.prod.yaml

@@ -1,7 +1,7 @@
 # ACDL sample consumer contract — microservice module (prod)
 # Per-environment contract (REQ-105). Promotion = running the prod job;
 # no environment field editing. Interpolation resolves against prod.json.
-uses: acdl/pipelines/deploy.yaml@v1.6
+uses: acdl/pipelines/deploy.yaml@v1.9
 module: microservice
 environment: prod
 inputs:

contracts/microservice.qa.yaml

@@ -1,7 +1,7 @@
 # ACDL sample consumer contract — microservice module (qa)
 # Per-environment contract (REQ-105). Promotion = running the qa job;
 # no environment field editing. Interpolation resolves against qa.json.
-uses: acdl/pipelines/deploy.yaml@v1.6
+uses: acdl/pipelines/deploy.yaml@v1.9
 module: microservice
 environment: qa
 inputs:

contracts/microservice.yaml

@@ -4,7 +4,7 @@
 # Interpolation (D-081): bucket_name uses the naming pattern that includes
 # region, aws account id, and environment:
 #   acdl-${env.environment}-${contract.module}-${env.account_id}-${env.region}
-uses: acdl/pipelines/deploy.yaml@v1.6
+uses: acdl/pipelines/deploy.yaml@v1.9
 module: microservice
 environment: dev
 inputs:

contracts/static-assets.dev.yaml

@@ -2,7 +2,7 @@
 # Per-environment contract (REQ-105). The dev default
 # (contracts/static-assets.yaml) remains for backwards compat; this file
 # is the explicit per-env dev contract. Interpolation resolves against dev.json.
-uses: acdl/pipelines/deploy.yaml@v1.6
+uses: acdl/pipelines/deploy.yaml@v1.9
 module: static-assets
 environment: dev
 inputs:

contracts/static-assets.dr.yaml

@@ -1,7 +1,7 @@
 # ACDL sample consumer contract — static-assets module (dr)
 # Per-environment contract (REQ-105). Promotion = running the dr job;
 # no environment field editing. Interpolation resolves against dr.json.
-uses: acdl/pipelines/deploy.yaml@v1.6
+uses: acdl/pipelines/deploy.yaml@v1.9
 module: static-assets
 environment: dr
 inputs:

contracts/static-assets.prod.yaml

@@ -1,7 +1,7 @@
 # ACDL sample consumer contract — static-assets module (prod)
 # Per-environment contract (REQ-105). Promotion = running the prod job;
 # no environment field editing. Interpolation resolves against prod.json.
-uses: acdl/pipelines/deploy.yaml@v1.6
+uses: acdl/pipelines/deploy.yaml@v1.9
 module: static-assets
 environment: prod
 inputs:

contracts/static-assets.qa.yaml

@@ -1,7 +1,7 @@
 # ACDL sample consumer contract — static-assets module (qa)
 # Per-environment contract (REQ-105). Promotion = running the qa job;
 # no environment field editing. Interpolation resolves against qa.json.
-uses: acdl/pipelines/deploy.yaml@v1.6
+uses: acdl/pipelines/deploy.yaml@v1.9
 module: static-assets
 environment: qa
 inputs:

contracts/static-assets.yaml

@@ -15,7 +15,7 @@
 # aws account id, and environment:
 #   acdl-${env.environment}-${contract.module}-${env.account_id}-${env.region}
 
-uses: acdl/pipelines/deploy.yaml@v1.6
+uses: acdl/pipelines/deploy.yaml@v1.9
 module: static-assets
 environment: dev
 inputs: