diff --git a/.github/workflows/reborn-e2e.yml b/.github/workflows/reborn-e2e.yml
index c29ee7ca78d..b688ba6a757 100644
--- a/.github/workflows/reborn-e2e.yml
+++ b/.github/workflows/reborn-e2e.yml
@@ -199,6 +199,18 @@ jobs:
           key: reborn-e2e-webui-v2-smoke
           save-if: ${{ github.event_name == 'push' && github.ref == 'refs/heads/main' }}
 
+      - name: Setup OVH sccache
+        uses: ./.github/actions/setup-sccache-dist
+        with:
+          # Keep this Wasmtime-heavy binary cache-only. Distributed builders
+          # cannot access generated Wasmtime/Wiggle registry inputs.
+          cache-ssh-host: ${{ vars.SCCACHE_CACHE_SSH_HOST }}
+          cache-ssh-user: ${{ vars.SCCACHE_CACHE_SSH_USER }}
+          cache-ssh-port: ${{ vars.SCCACHE_CACHE_SSH_PORT }}
+          cache-ssh-private-key: ${{ secrets.SCCACHE_CACHE_SSH_PRIVATE_KEY }}
+          cache-ssh-known-hosts: ${{ secrets.SCCACHE_CACHE_SSH_KNOWN_HOSTS }}
+          redis-password: ${{ secrets.SCCACHE_REDIS_PASSWORD }}
+
       - name: Build ironclaw-reborn with WebChat v2 surface
         run: >-
           cargo build
diff --git a/.github/workflows/reborn-tests.yml b/.github/workflows/reborn-tests.yml
index 8c5c88e73fe..a124bf7b03c 100644
--- a/.github/workflows/reborn-tests.yml
+++ b/.github/workflows/reborn-tests.yml
@@ -756,7 +756,7 @@ jobs:
             --lcov reborn-integration-merged.lcov \
             --base "$BASE_SHA" \
             --head "$(git rev-parse HEAD)" \
-            --threshold 90 \
+            --threshold 85 \
             --json reborn-changed-coverage.json \
             | tee -a "$GITHUB_STEP_SUMMARY"
 
diff --git a/scripts/ci/reborn-crate-test-buckets.sh b/scripts/ci/reborn-crate-test-buckets.sh
index dadec33af43..663456cc4bc 100755
--- a/scripts/ci/reborn-crate-test-buckets.sh
+++ b/scripts/ci/reborn-crate-test-buckets.sh
@@ -26,7 +26,9 @@ jq -c -n --argjson packages "${packages_json}" '
     "events-conversations",
     "auth-security",
     "memory-skills",
-    "adapters-misc"
+    "channel-adapters",
+    "extension-operator",
+    "architecture-misc"
   ];
 
   def bucket_map:
@@ -94,12 +96,20 @@ jq -c -n --argjson packages "${packages_json}" '
       ironclaw_skill_learning: "memory-skills",
       ironclaw_skills: "memory-skills",
 
-      ironclaw_architecture: "adapters-misc",
-      ironclaw_common: "adapters-misc",
-      ironclaw_extensions: "adapters-misc",
-      ironclaw_reborn_traces: "adapters-misc",
-      ironclaw_slack_extension: "adapters-misc",
-      ironclaw_telegram_extension: "adapters-misc"
+      ironclaw_host_ingress: "channel-adapters",
+      ironclaw_slack_extension: "channel-adapters",
+      ironclaw_telegram_extension: "channel-adapters",
+      ironclaw_telegram_v2_adapter: "channel-adapters",
+
+      ironclaw_extension_host: "extension-operator",
+      ironclaw_extensions: "extension-operator",
+      ironclaw_operator: "extension-operator",
+
+      ironclaw_architecture: "architecture-misc",
+      ironclaw_common: "architecture-misc",
+      ironclaw_libsql_runtime: "architecture-misc",
+      ironclaw_reborn_traces: "architecture-misc",
+      ironclaw_triggers: "architecture-misc"
     };
 
   bucket_map as $bucket_map
@@ -109,7 +119,7 @@ jq -c -n --argjson packages "${packages_json}" '
         name: $bucket,
         packages: [
           $packages[]?
-          | select(($bucket_map[.] // "adapters-misc") == $bucket)
+          | select(($bucket_map[.] // "architecture-misc") == $bucket)
         ]
       }
     | select(.packages | length > 0)
diff --git a/scripts/ci/test-reborn-crate-test-buckets.sh b/scripts/ci/test-reborn-crate-test-buckets.sh
index 53e64e80dda..eddde19f36d 100755
--- a/scripts/ci/test-reborn-crate-test-buckets.sh
+++ b/scripts/ci/test-reborn-crate-test-buckets.sh
@@ -10,14 +10,26 @@ fail() {
 }
 
 packages='[
-  "ironclaw_telegram_extension",
+  "ironclaw_architecture",
   "ironclaw_common",
-  "ironclaw_future_adapter"
+  "ironclaw_extension_host",
+  "ironclaw_extensions",
+  "ironclaw_future_adapter",
+  "ironclaw_host_ingress",
+  "ironclaw_libsql_runtime",
+  "ironclaw_operator",
+  "ironclaw_reborn_traces",
+  "ironclaw_slack_extension",
+  "ironclaw_telegram_extension",
+  "ironclaw_telegram_v2_adapter",
+  "ironclaw_triggers"
 ]'
 
 actual="$("${bucket_script}" "${packages}")"
 expected='[
-  {"name":"adapters-misc","packages":["ironclaw_telegram_extension","ironclaw_common","ironclaw_future_adapter"]}
+  {"name":"channel-adapters","packages":["ironclaw_host_ingress","ironclaw_slack_extension","ironclaw_telegram_extension","ironclaw_telegram_v2_adapter"]},
+  {"name":"extension-operator","packages":["ironclaw_extension_host","ironclaw_extensions","ironclaw_operator"]},
+  {"name":"architecture-misc","packages":["ironclaw_architecture","ironclaw_common","ironclaw_future_adapter","ironclaw_libsql_runtime","ironclaw_reborn_traces","ironclaw_triggers"]}
 ]'
 
 if ! jq -e --argjson expected "${expected}" '. == $expected' <<< "${actual}" >/dev/null; then
diff --git a/scripts/ci/ws12_workflow_contracts.py b/scripts/ci/ws12_workflow_contracts.py
index aac647e8a93..f1ca5f092e3 100755
--- a/scripts/ci/ws12_workflow_contracts.py
+++ b/scripts/ci/ws12_workflow_contracts.py
@@ -24,6 +24,7 @@
         "tests/e2e/scenarios/test_reborn_qa_trace_full_path.py",
         "tests/e2e/scenarios/test_provider_fault_proxy.py",
         "tests/e2e/product_surface_coverage.py",
+        "uses: ./.github/actions/setup-sccache-dist",
     ),
     ".github/workflows/nightly-deep-ci.yml": (
         "schedule:",