feat(flow): add CTS quality diagnostic and congestion/thermal ML tooling

.github/workflows/github-actions-cron-update-yosys.yml

@@ -1,6 +1,5 @@
 name: Create draft PR for updated YOSYS submodule
 on:
-  push:
   schedule:
   - cron: "0 8 * * MON"
   # Allows you to run this workflow manually from the Actions tab
@@ -9,6 +8,9 @@ on:
 jobs:
   update:
     runs-on: ${{ vars.USE_SELF_HOSTED == 'true' && 'self-hosted' || 'ubuntu-latest' }}
+    permissions:
+      contents: write
+      pull-requests: write
     steps:
       - name: Check out repository code recursively
         uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0  # v7.0.0

.gitignore

@@ -108,3 +108,13 @@ MODULE.bazel.lock
 # python venv
 venv/
 tmp/
+
+# Congestion/thermal ML — generated data, model weights, and logs
+flow/util/ml/congestion/data/*.npy
+flow/util/ml/congestion/data/*.npz
+flow/util/ml/congestion/data/*.png
+flow/util/ml/congestion/checkpoints/*.pt
+flow/util/ml/data/
+flow/thermal_report.html
+flow/util/ml/congestion/*.log
+flow/util/ml/congestion/pipeline/logs/

.gitmodules

@@ -3,7 +3,7 @@
 	url = ../../The-OpenROAD-Project/yosys.git
 [submodule "tools/OpenROAD"]
 	path = tools/OpenROAD
-	url = ../OpenROAD.git
+	url = https://github.com/The-OpenROAD-Project/OpenROAD.git
 [submodule "tools/kepler-formal"]
 	path = tools/kepler-formal
 	url = https://github.com/keplertech/kepler-formal