python: add new pigeonhole API

.github/workflows/test-integration-docker.yml

@@ -1,25 +1,25 @@
 name: Integration Tests with Docker Mixnet
 
 on:
-  push:
-    branches: [ main, master ]
   pull_request:
     branches: [ main, master ]
 
 jobs:
   test-integration-docker:
     runs-on: ubuntu-latest
-
+    timeout-minutes: 90
+
     steps:
       - name: Checkout thinclient repository
         uses: actions/checkout@v4
         with:
           path: thinclient
 
-      - name: Checkout katzenpost repository  
+      - name: Checkout katzenpost repository
         uses: actions/checkout@v4
         with:
           repository: katzenpost/katzenpost
+          ref: f7b3ab49e8eef7cd20f38eadc2c583802739e276
           path: katzenpost
 
       - name: Set up Docker Buildx
@@ -58,17 +58,19 @@ jobs:
           cd katzenpost/docker && make start wait
 
       - name: Brief pause to ensure mixnet is fully ready
-        run: sleep 5
+        run: sleep 30
 
       - name: Run all Python tests (including channel API integration tests)
+        timeout-minutes: 45
         run: |
           cd thinclient
-          python -m pytest tests/ -vvv -s --tb=short
+          python -m pytest tests/ -vvv -s --tb=short --timeout=1200
 
       - name: Run Rust integration tests
+        timeout-minutes: 45
         run: |
           cd thinclient
-          cargo test --test '*' -- --nocapture
+          cargo test --test '*' -- --nocapture --test-threads=1
 
       - name: Stop the mixnet
         if: always()