[paper] P10 capstone: add explicit figure cross-references

Add \ref{fig:cross_application} and \ref{fig:master_unification} to running
text so that all floats are referenced in the body copy.  Recompiled PDF and
created timestamped snapshot.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Author: JonathanMace

papers/paper10-capstone/drafts/draft_2026-04-04_1740.pdf

@@ -244,7 +244,7 @@ \subsection{What the cross-application evidence establishes}
 programme establishes, then, is not merely a collection of isolated case
 studies but a coherent synthesis: apparently disparate vibroacoustic phenomena
 in fluid-filled shells can be read as manifestations of one
-geometry-mediated structure.
+geometry-mediated structure (Figure~\ref{fig:master_unification}).
 
 \begin{figure}[t]
   \centering

papers/paper10-capstone/main.pdf

@@ -137,7 +137,8 @@ \section{Results}
   \label{fig:cross_application}
 \end{figure}
 
-Table~\ref{tab:cross_application_evidence} already hints at the main result.
+Table~\ref{tab:cross_application_evidence} and Figure~\ref{fig:cross_application}
+already hint at the main result.
 The abdominal, bladder, watermelon, and borborygmi studies occupy different
 frequency bands and involve different observables, yet they all distinguish
 between a forward spectral pattern and the stronger claim that parameters can be