Add paper-dialogues research line; scaffold Deppert commentary

Establish a parallel comparative-reading track: one external work at a time,
with commentary and support/challenge matrix against Soul Frame. First entry
is Wolfgang Deppert, Die Evolution des Bewusstseins (bibliographic identity
still to lock).

research/paper-dialogues/_template/bibliographic-note.md

@@ -0,0 +1,40 @@
+# Bibliographic note
+
+## Citation
+
+```text
+Author:
+Title:
+Year:
+Work type: book | chapter | article | essay | preprint
+Language:
+Publisher / venue:
+ISBN / DOI / URL:
+Edition / pages:
+```
+
+## Access
+
+```text
+Local path or library:
+Access date:
+```
+
+## Unit of analysis
+
+What exactly are we dialoguing with (whole work / chapter / essay)?
+
+## Abstract in the source's own vocabulary
+
+*(One paragraph. No Soul Frame terms yet.)*
+
+## Why selected for Soul Frame
+
+```text
+Relevance:
+Risk (collision / scope creep):
+```
+
+## Status
+
+`not started | reading | drafting | reviewed | integrated`