revert: roll back v12.3.3 (Issue Blowout 2026)

SessionStart context injection regressed in v12.3.3 — no memory
context is being delivered to new sessions. Rolling back to the
v12.3.2 tree state while the regression is investigated.

Reverts #2080.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

docker/claude-mem/run.sh

@@ -56,7 +56,7 @@ else
 fi
 
 # Pick -it only when a TTY is attached (keeps non-interactive callers working).
-# Initialize empty; expansion below safely omits args when the array is unset/empty.
+# Initialize with a no-op flag so the array is never empty (nounset-safe).
 TTY_ARGS=()
 [[ -t 0 && -t 1 ]] && TTY_ARGS=(-it)