real development verification of github pr 29693
main: 57cd05904d; pr: 972f9266e0e38cdff6ae0c2a27eac3f91cd3aa40
client: playwright 1.60.0, /usr/bin/google-chrome, linux web app
provider: codex gpt-6.1-sol through local proxy; project and thread created through web ui
main codex turn: 37 seconds, created initial outer commit and real nested git repo
pr codex turn: 10 seconds, confirmed nested sha and 3500 payload lines without mutations

main captured actual browser websocket request/responses:
  request review.getDiffPreview {"fullPreview":true}
  response {"kind":"working-tree","bytes":120000,"truncated":true,"files":["a-large.txt","nested/clone","ordinary.txt","tracked.txt"]}
  response {"kind":"branch-range","bytes":120000,"truncated":true,"files":["a-large.txt","nested/clone","ordinary.txt","tracked.txt"]}
  request review.getDiffPreview {"path":"nested/clone","previousPath":null,"sourceKind":"branch-range"}
  response {"kind":"branch-range","bytes":0,"truncated":false,"files":[],"diff":""}
  request review.getDiffPreview {"path":"tracked.txt","previousPath":null,"sourceKind":"branch-range"}
  response {"kind":"branch-range","bytes":168,"truncated":false,"files":["tracked.txt"]}
  request review.getDiffPreview {"path":"a-large.txt","previousPath":null,"sourceKind":"branch-range"}
  response {"kind":"branch-range","bytes":373527,"truncated":false,"files":["a-large.txt"]}
  request review.getDiffPreview {"path":"ordinary.txt","previousPath":null,"sourceKind":"branch-range"}
  response {"kind":"branch-range","bytes":157,"truncated":false,"files":["ordinary.txt"]}
  request review.getDiffPreview {"path":"tracked.txt","previousPath":null,"sourceKind":"working-tree"}
  response {"kind":"working-tree","bytes":168,"truncated":false,"files":["tracked.txt"]}
  request review.getDiffPreview {"path":"nested/clone","previousPath":null,"sourceKind":"working-tree"}
  response {"kind":"working-tree","bytes":0,"truncated":false,"files":[],"diff":""}
  request review.getDiffPreview {"path":"ordinary.txt","previousPath":null,"sourceKind":"working-tree"}
  response {"kind":"working-tree","bytes":157,"truncated":false,"files":["ordinary.txt"]}
  request review.getDiffPreview {"path":"a-large.txt","previousPath":null,"sourceKind":"working-tree"}
  response {"kind":"working-tree","bytes":373527,"truncated":false,"files":["a-large.txt"]}

pr Changes captured actual browser websocket request/responses:
  request review.getDiffPreview {"fullPreview":true}
  response {"kind":"working-tree","bytes":120000,"truncated":true,"files":["a-large.txt","nested/clone","ordinary.txt","tracked.txt"]}
  response {"kind":"branch-range","bytes":120000,"truncated":true,"files":["a-large.txt","nested/clone","ordinary.txt","tracked.txt"]}
  request review.getDiffPreview {"path":"tracked.txt","previousPath":null,"sourceKind":"branch-range"}
  response {"kind":"branch-range","bytes":168,"truncated":false,"files":["tracked.txt"]}
  request review.getDiffPreview {"path":"a-large.txt","previousPath":null,"sourceKind":"branch-range"}
  response {"kind":"branch-range","bytes":373527,"truncated":false,"files":["a-large.txt"]}
  request review.getDiffPreview {"path":"nested/clone","previousPath":null,"sourceKind":"branch-range"}
  response {"kind":"branch-range","bytes":192,"truncated":false,"files":["nested/clone"],"diff":"diff --git a/nested/clone b/nested/clone\nnew file mode 160000\nindex 0000000..69d2f01\n--- /dev/null\n+++ b/nested/clone\n@@ -0,0 +1 @@\n+Subproject commit 69d2f0193d483148e150db639e84f6ec1d743a8a\n"}
  request review.getDiffPreview {"path":"ordinary.txt","previousPath":null,"sourceKind":"branch-range"}
  response {"kind":"branch-range","bytes":157,"truncated":false,"files":["ordinary.txt"]}

pr Uncommitted captured actual browser websocket request/responses:
  request review.getDiffPreview {"fullPreview":true}
  response {"kind":"working-tree","bytes":120000,"truncated":true,"files":["a-large.txt","nested/clone","ordinary.txt","tracked.txt"]}
  response {"kind":"branch-range","bytes":120000,"truncated":true,"files":["a-large.txt","nested/clone","ordinary.txt","tracked.txt"]}
  request review.getDiffPreview {"path":"tracked.txt","previousPath":null,"sourceKind":"branch-range"}
  response {"kind":"branch-range","bytes":168,"truncated":false,"files":["tracked.txt"]}
  request review.getDiffPreview {"path":"ordinary.txt","previousPath":null,"sourceKind":"branch-range"}
  response {"kind":"branch-range","bytes":157,"truncated":false,"files":["ordinary.txt"]}
  request review.getDiffPreview {"path":"a-large.txt","previousPath":null,"sourceKind":"branch-range"}
  response {"kind":"branch-range","bytes":373527,"truncated":false,"files":["a-large.txt"]}
  request review.getDiffPreview {"path":"nested/clone","previousPath":null,"sourceKind":"branch-range"}
  response {"kind":"branch-range","bytes":192,"truncated":false,"files":["nested/clone"],"diff":"diff --git a/nested/clone b/nested/clone\nnew file mode 160000\nindex 0000000..69d2f01\n--- /dev/null\n+++ b/nested/clone\n@@ -0,0 +1 @@\n+Subproject commit 69d2f0193d483148e150db639e84f6ec1d743a8a\n"}
  request review.getDiffPreview {"path":"tracked.txt","previousPath":null,"sourceKind":"working-tree"}
  response {"kind":"working-tree","bytes":168,"truncated":false,"files":["tracked.txt"]}
  request review.getDiffPreview {"path":"ordinary.txt","previousPath":null,"sourceKind":"working-tree"}
  response {"kind":"working-tree","bytes":157,"truncated":false,"files":["ordinary.txt"]}
  request review.getDiffPreview {"path":"nested/clone","previousPath":null,"sourceKind":"working-tree"}
  response {"kind":"working-tree","bytes":192,"truncated":false,"files":["nested/clone"],"diff":"diff --git a/nested/clone b/nested/clone\nnew file mode 160000\nindex 0000000..69d2f01\n--- /dev/null\n+++ b/nested/clone\n@@ -0,0 +1 @@\n+Subproject commit 69d2f0193d483148e150db639e84f6ec1d743a8a\n"}
  request review.getDiffPreview {"path":"a-large.txt","previousPath":null,"sourceKind":"working-tree"}
  response {"kind":"working-tree","bytes":373527,"truncated":false,"files":["a-large.txt"]}

ui assertions: main nested expansion disabled and retry remains after click; pr nested expansion enabled, actual Subproject commit SHA rendered, zero retry errors. ordinary untracked contents and tracked before/after contents rendered in Uncommitted and Changes.