slice-5: sweep stale comments from Task 2 review (re-pins seam hash)

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_012QndwfhjyTiZcUYp87dwW8
Signed-off-by: Aaron D. Lee <himself@adlee.work>

.github/workflows/ci.yml

@@ -49,10 +49,10 @@ jobs:
       # bind/advertised address split + port range). If a legitimate
       # change is needed, update the pinned blob hashes below in the same
       # PR — loud and reviewable by design.
-      - name: Seam gate — loop_driver + rtc_session byte-identical to slice-3
+      - name: Seam gate — loop_driver frozen (slice-3) + rtc_session pinned (slice-5)
         run: |
           EXPECTED_LOOP_DRIVER='744bf314edf7f4925c8bb3bd0f5176dbc88f8113'
-          EXPECTED_RTC_SESSION='76bbcf8c85be0041abda1bcc3390b299fcef3d6f'
+          EXPECTED_RTC_SESSION='f47d63b9a2883d37066a93c9daa0e2cf8816bec4'
           GOT_LOOP_DRIVER=$(git hash-object crates/rutster-media/src/loop_driver.rs)
           GOT_RTC_SESSION=$(git hash-object crates/rutster-media/src/rtc_session.rs)
           if [ "$GOT_LOOP_DRIVER" != "$EXPECTED_LOOP_DRIVER" ]; then